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diff --git a/frontend-old/node_modules/@firebase/performance/README.md b/frontend-old/node_modules/@firebase/performance/README.md
new file mode 100644
index 0000000..5c83dbc
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/README.md
@@ -0,0 +1,5 @@
+# @firebase/performance
+
+This is the Firebase Performance component of the Firebase JS SDK.
+
+**This package is not intended for direct usage, and should only be used via the officially supported [firebase](https://www.npmjs.com/package/firebase) package.**
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/index.esm.js b/frontend-old/node_modules/@firebase/performance/dist/esm/index.esm.js
new file mode 100644
index 0000000..ac11e83
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/index.esm.js
@@ -0,0 +1,1614 @@
+import { ErrorFactory, areCookiesEnabled, isIndexedDBAvailable, validateIndexedDBOpenable, getModularInstance, deepEqual } from '@firebase/util';
+import { Logger, LogLevel } from '@firebase/logger';
+import { onLCP, onINP, onCLS } from 'web-vitals/attribution';
+import { _getProvider, getApp, _registerComponent, registerVersion } from '@firebase/app';
+import { Component } from '@firebase/component';
+import '@firebase/installations';
+
+const name = "@firebase/performance";
+const version = "0.7.9";
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const SDK_VERSION = version;
+/** The prefix for start User Timing marks used for creating Traces. */
+const TRACE_START_MARK_PREFIX = 'FB-PERF-TRACE-START';
+/** The prefix for stop User Timing marks used for creating Traces. */
+const TRACE_STOP_MARK_PREFIX = 'FB-PERF-TRACE-STOP';
+/** The prefix for User Timing measure used for creating Traces. */
+const TRACE_MEASURE_PREFIX = 'FB-PERF-TRACE-MEASURE';
+/** The prefix for out of the box page load Trace name. */
+const OOB_TRACE_PAGE_LOAD_PREFIX = '_wt_';
+const FIRST_PAINT_COUNTER_NAME = '_fp';
+const FIRST_CONTENTFUL_PAINT_COUNTER_NAME = '_fcp';
+const FIRST_INPUT_DELAY_COUNTER_NAME = '_fid';
+const LARGEST_CONTENTFUL_PAINT_METRIC_NAME = '_lcp';
+const LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME = 'lcp_element';
+const INTERACTION_TO_NEXT_PAINT_METRIC_NAME = '_inp';
+const INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME = 'inp_interactionTarget';
+const CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME = '_cls';
+const CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME = 'cls_largestShiftTarget';
+const CONFIG_LOCAL_STORAGE_KEY = '@firebase/performance/config';
+const CONFIG_EXPIRY_LOCAL_STORAGE_KEY = '@firebase/performance/configexpire';
+const SERVICE = 'performance';
+const SERVICE_NAME = 'Performance';
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const ERROR_DESCRIPTION_MAP = {
+    ["trace started" /* ErrorCode.TRACE_STARTED_BEFORE */]: 'Trace {$traceName} was started before.',
+    ["trace stopped" /* ErrorCode.TRACE_STOPPED_BEFORE */]: 'Trace {$traceName} is not running.',
+    ["nonpositive trace startTime" /* ErrorCode.NONPOSITIVE_TRACE_START_TIME */]: 'Trace {$traceName} startTime should be positive.',
+    ["nonpositive trace duration" /* ErrorCode.NONPOSITIVE_TRACE_DURATION */]: 'Trace {$traceName} duration should be positive.',
+    ["no window" /* ErrorCode.NO_WINDOW */]: 'Window is not available.',
+    ["no app id" /* ErrorCode.NO_APP_ID */]: 'App id is not available.',
+    ["no project id" /* ErrorCode.NO_PROJECT_ID */]: 'Project id is not available.',
+    ["no api key" /* ErrorCode.NO_API_KEY */]: 'Api key is not available.',
+    ["invalid cc log" /* ErrorCode.INVALID_CC_LOG */]: 'Attempted to queue invalid cc event',
+    ["FB not default" /* ErrorCode.FB_NOT_DEFAULT */]: 'Performance can only start when Firebase app instance is the default one.',
+    ["RC response not ok" /* ErrorCode.RC_NOT_OK */]: 'RC response is not ok',
+    ["invalid attribute name" /* ErrorCode.INVALID_ATTRIBUTE_NAME */]: 'Attribute name {$attributeName} is invalid.',
+    ["invalid attribute value" /* ErrorCode.INVALID_ATTRIBUTE_VALUE */]: 'Attribute value {$attributeValue} is invalid.',
+    ["invalid custom metric name" /* ErrorCode.INVALID_CUSTOM_METRIC_NAME */]: 'Custom metric name {$customMetricName} is invalid',
+    ["invalid String merger input" /* ErrorCode.INVALID_STRING_MERGER_PARAMETER */]: 'Input for String merger is invalid, contact support team to resolve.',
+    ["already initialized" /* ErrorCode.ALREADY_INITIALIZED */]: 'initializePerformance() has already been called with ' +
+        'different options. To avoid this error, call initializePerformance() with the ' +
+        'same options as when it was originally called, or call getPerformance() to return the' +
+        ' already initialized instance.'
+};
+const ERROR_FACTORY = new ErrorFactory(SERVICE, SERVICE_NAME, ERROR_DESCRIPTION_MAP);
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const consoleLogger = new Logger(SERVICE_NAME);
+consoleLogger.logLevel = LogLevel.INFO;
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let apiInstance;
+let windowInstance;
+/**
+ * This class holds a reference to various browser related objects injected by
+ * set methods.
+ */
+class Api {
+    constructor(window) {
+        this.window = window;
+        if (!window) {
+            throw ERROR_FACTORY.create("no window" /* ErrorCode.NO_WINDOW */);
+        }
+        this.performance = window.performance;
+        this.PerformanceObserver = window.PerformanceObserver;
+        this.windowLocation = window.location;
+        this.navigator = window.navigator;
+        this.document = window.document;
+        if (this.navigator && this.navigator.cookieEnabled) {
+            // If user blocks cookies on the browser, accessing localStorage will
+            // throw an exception.
+            this.localStorage = window.localStorage;
+        }
+        if (window.perfMetrics && window.perfMetrics.onFirstInputDelay) {
+            this.onFirstInputDelay = window.perfMetrics.onFirstInputDelay;
+        }
+        this.onLCP = onLCP;
+        this.onINP = onINP;
+        this.onCLS = onCLS;
+    }
+    getUrl() {
+        // Do not capture the string query part of url.
+        return this.windowLocation.href.split('?')[0];
+    }
+    mark(name) {
+        if (!this.performance || !this.performance.mark) {
+            return;
+        }
+        this.performance.mark(name);
+    }
+    measure(measureName, mark1, mark2) {
+        if (!this.performance || !this.performance.measure) {
+            return;
+        }
+        this.performance.measure(measureName, mark1, mark2);
+    }
+    getEntriesByType(type) {
+        if (!this.performance || !this.performance.getEntriesByType) {
+            return [];
+        }
+        return this.performance.getEntriesByType(type);
+    }
+    getEntriesByName(name) {
+        if (!this.performance || !this.performance.getEntriesByName) {
+            return [];
+        }
+        return this.performance.getEntriesByName(name);
+    }
+    getTimeOrigin() {
+        // Polyfill the time origin with performance.timing.navigationStart.
+        return (this.performance &&
+            (this.performance.timeOrigin || this.performance.timing.navigationStart));
+    }
+    requiredApisAvailable() {
+        if (!fetch || !Promise || !areCookiesEnabled()) {
+            consoleLogger.info('Firebase Performance cannot start if browser does not support fetch and Promise or cookie is disabled.');
+            return false;
+        }
+        if (!isIndexedDBAvailable()) {
+            consoleLogger.info('IndexedDB is not supported by current browser');
+            return false;
+        }
+        return true;
+    }
+    setupObserver(entryType, callback) {
+        if (!this.PerformanceObserver) {
+            return;
+        }
+        const observer = new this.PerformanceObserver(list => {
+            for (const entry of list.getEntries()) {
+                // `entry` is a PerformanceEntry instance.
+                callback(entry);
+            }
+        });
+        // Start observing the entry types you care about.
+        observer.observe({ entryTypes: [entryType] });
+    }
+    static getInstance() {
+        if (apiInstance === undefined) {
+            apiInstance = new Api(windowInstance);
+        }
+        return apiInstance;
+    }
+}
+function setupApi(window) {
+    windowInstance = window;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let iid;
+function getIidPromise(installationsService) {
+    const iidPromise = installationsService.getId();
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
+    iidPromise.then((iidVal) => {
+        iid = iidVal;
+    });
+    return iidPromise;
+}
+// This method should be used after the iid is retrieved by getIidPromise method.
+function getIid() {
+    return iid;
+}
+function getAuthTokenPromise(installationsService) {
+    const authTokenPromise = installationsService.getToken();
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
+    authTokenPromise.then((authTokenVal) => {
+    });
+    return authTokenPromise;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+function mergeStrings(part1, part2) {
+    const sizeDiff = part1.length - part2.length;
+    if (sizeDiff < 0 || sizeDiff > 1) {
+        throw ERROR_FACTORY.create("invalid String merger input" /* ErrorCode.INVALID_STRING_MERGER_PARAMETER */);
+    }
+    const resultArray = [];
+    for (let i = 0; i < part1.length; i++) {
+        resultArray.push(part1.charAt(i));
+        if (part2.length > i) {
+            resultArray.push(part2.charAt(i));
+        }
+    }
+    return resultArray.join('');
+}
+
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let settingsServiceInstance;
+class SettingsService {
+    constructor() {
+        // The variable which controls logging of automatic traces and HTTP/S network monitoring.
+        this.instrumentationEnabled = true;
+        // The variable which controls logging of custom traces.
+        this.dataCollectionEnabled = true;
+        // Configuration flags set through remote config.
+        this.loggingEnabled = false;
+        // Sampling rate between 0 and 1.
+        this.tracesSamplingRate = 1;
+        this.networkRequestsSamplingRate = 1;
+        // Address of logging service.
+        this.logEndPointUrl = 'https://firebaselogging.googleapis.com/v0cc/log?format=json_proto';
+        // Performance event transport endpoint URL which should be compatible with proto3.
+        // New Address for transport service, not configurable via Remote Config.
+        this.flTransportEndpointUrl = mergeStrings('hts/frbslgigp.ogepscmv/ieo/eaylg', 'tp:/ieaeogn-agolai.o/1frlglgc/o');
+        this.transportKey = mergeStrings('AzSC8r6ReiGqFMyfvgow', 'Iayx0u-XT3vksVM-pIV');
+        // Source type for performance event logs.
+        this.logSource = 462;
+        // Flags which control per session logging of traces and network requests.
+        this.logTraceAfterSampling = false;
+        this.logNetworkAfterSampling = false;
+        // TTL of config retrieved from remote config in hours.
+        this.configTimeToLive = 12;
+        // The max number of events to send during a flush. This number is kept low to since Chrome has a
+        // shared payload limit for all sendBeacon calls in the same nav context.
+        this.logMaxFlushSize = 40;
+    }
+    getFlTransportFullUrl() {
+        return this.flTransportEndpointUrl.concat('?key=', this.transportKey);
+    }
+    static getInstance() {
+        if (settingsServiceInstance === undefined) {
+            settingsServiceInstance = new SettingsService();
+        }
+        return settingsServiceInstance;
+    }
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var VisibilityState;
+(function (VisibilityState) {
+    VisibilityState[VisibilityState["UNKNOWN"] = 0] = "UNKNOWN";
+    VisibilityState[VisibilityState["VISIBLE"] = 1] = "VISIBLE";
+    VisibilityState[VisibilityState["HIDDEN"] = 2] = "HIDDEN";
+})(VisibilityState || (VisibilityState = {}));
+const RESERVED_ATTRIBUTE_PREFIXES = ['firebase_', 'google_', 'ga_'];
+const ATTRIBUTE_FORMAT_REGEX = new RegExp('^[a-zA-Z]\\w*$');
+const MAX_ATTRIBUTE_NAME_LENGTH = 40;
+const MAX_ATTRIBUTE_VALUE_LENGTH = 100;
+function getServiceWorkerStatus() {
+    const navigator = Api.getInstance().navigator;
+    if (navigator?.serviceWorker) {
+        if (navigator.serviceWorker.controller) {
+            return 2 /* ServiceWorkerStatus.CONTROLLED */;
+        }
+        else {
+            return 3 /* ServiceWorkerStatus.UNCONTROLLED */;
+        }
+    }
+    else {
+        return 1 /* ServiceWorkerStatus.UNSUPPORTED */;
+    }
+}
+function getVisibilityState() {
+    const document = Api.getInstance().document;
+    const visibilityState = document.visibilityState;
+    switch (visibilityState) {
+        case 'visible':
+            return VisibilityState.VISIBLE;
+        case 'hidden':
+            return VisibilityState.HIDDEN;
+        default:
+            return VisibilityState.UNKNOWN;
+    }
+}
+function getEffectiveConnectionType() {
+    const navigator = Api.getInstance().navigator;
+    const navigatorConnection = navigator.connection;
+    const effectiveType = navigatorConnection && navigatorConnection.effectiveType;
+    switch (effectiveType) {
+        case 'slow-2g':
+            return 1 /* EffectiveConnectionType.CONNECTION_SLOW_2G */;
+        case '2g':
+            return 2 /* EffectiveConnectionType.CONNECTION_2G */;
+        case '3g':
+            return 3 /* EffectiveConnectionType.CONNECTION_3G */;
+        case '4g':
+            return 4 /* EffectiveConnectionType.CONNECTION_4G */;
+        default:
+            return 0 /* EffectiveConnectionType.UNKNOWN */;
+    }
+}
+function isValidCustomAttributeName(name) {
+    if (name.length === 0 || name.length > MAX_ATTRIBUTE_NAME_LENGTH) {
+        return false;
+    }
+    const matchesReservedPrefix = RESERVED_ATTRIBUTE_PREFIXES.some(prefix => name.startsWith(prefix));
+    return !matchesReservedPrefix && !!name.match(ATTRIBUTE_FORMAT_REGEX);
+}
+function isValidCustomAttributeValue(value) {
+    return value.length !== 0 && value.length <= MAX_ATTRIBUTE_VALUE_LENGTH;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+function getAppId(firebaseApp) {
+    const appId = firebaseApp.options?.appId;
+    if (!appId) {
+        throw ERROR_FACTORY.create("no app id" /* ErrorCode.NO_APP_ID */);
+    }
+    return appId;
+}
+function getProjectId(firebaseApp) {
+    const projectId = firebaseApp.options?.projectId;
+    if (!projectId) {
+        throw ERROR_FACTORY.create("no project id" /* ErrorCode.NO_PROJECT_ID */);
+    }
+    return projectId;
+}
+function getApiKey(firebaseApp) {
+    const apiKey = firebaseApp.options?.apiKey;
+    if (!apiKey) {
+        throw ERROR_FACTORY.create("no api key" /* ErrorCode.NO_API_KEY */);
+    }
+    return apiKey;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const REMOTE_CONFIG_SDK_VERSION = '0.0.1';
+// These values will be used if the remote config object is successfully
+// retrieved, but the template does not have these fields.
+const DEFAULT_CONFIGS = {
+    loggingEnabled: true
+};
+const FIS_AUTH_PREFIX = 'FIREBASE_INSTALLATIONS_AUTH';
+function getConfig(performanceController, iid) {
+    const config = getStoredConfig();
+    if (config) {
+        processConfig(config);
+        return Promise.resolve();
+    }
+    return getRemoteConfig(performanceController, iid)
+        .then(processConfig)
+        .then(config => storeConfig(config), 
+    /** Do nothing for error, use defaults set in settings service. */
+    () => { });
+}
+function getStoredConfig() {
+    const localStorage = Api.getInstance().localStorage;
+    if (!localStorage) {
+        return;
+    }
+    const expiryString = localStorage.getItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY);
+    if (!expiryString || !configValid(expiryString)) {
+        return;
+    }
+    const configStringified = localStorage.getItem(CONFIG_LOCAL_STORAGE_KEY);
+    if (!configStringified) {
+        return;
+    }
+    try {
+        const configResponse = JSON.parse(configStringified);
+        return configResponse;
+    }
+    catch {
+        return;
+    }
+}
+function storeConfig(config) {
+    const localStorage = Api.getInstance().localStorage;
+    if (!config || !localStorage) {
+        return;
+    }
+    localStorage.setItem(CONFIG_LOCAL_STORAGE_KEY, JSON.stringify(config));
+    localStorage.setItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY, String(Date.now() +
+        SettingsService.getInstance().configTimeToLive * 60 * 60 * 1000));
+}
+const COULD_NOT_GET_CONFIG_MSG = 'Could not fetch config, will use default configs';
+function getRemoteConfig(performanceController, iid) {
+    // Perf needs auth token only to retrieve remote config.
+    return getAuthTokenPromise(performanceController.installations)
+        .then(authToken => {
+        const projectId = getProjectId(performanceController.app);
+        const apiKey = getApiKey(performanceController.app);
+        const configEndPoint = `https://firebaseremoteconfig.googleapis.com/v1/projects/${projectId}/namespaces/fireperf:fetch?key=${apiKey}`;
+        const request = new Request(configEndPoint, {
+            method: 'POST',
+            headers: { Authorization: `${FIS_AUTH_PREFIX} ${authToken}` },
+            /* eslint-disable camelcase */
+            body: JSON.stringify({
+                app_instance_id: iid,
+                app_instance_id_token: authToken,
+                app_id: getAppId(performanceController.app),
+                app_version: SDK_VERSION,
+                sdk_version: REMOTE_CONFIG_SDK_VERSION
+            })
+            /* eslint-enable camelcase */
+        });
+        return fetch(request).then(response => {
+            if (response.ok) {
+                return response.json();
+            }
+            // In case response is not ok. This will be caught by catch.
+            throw ERROR_FACTORY.create("RC response not ok" /* ErrorCode.RC_NOT_OK */);
+        });
+    })
+        .catch(() => {
+        consoleLogger.info(COULD_NOT_GET_CONFIG_MSG);
+        return undefined;
+    });
+}
+/**
+ * Processes config coming either from calling RC or from local storage.
+ * This method only runs if call is successful or config in storage
+ * is valid.
+ */
+function processConfig(config) {
+    if (!config) {
+        return config;
+    }
+    const settingsServiceInstance = SettingsService.getInstance();
+    const entries = config.entries || {};
+    if (entries.fpr_enabled !== undefined) {
+        // TODO: Change the assignment of loggingEnabled once the received type is
+        // known.
+        settingsServiceInstance.loggingEnabled =
+            String(entries.fpr_enabled) === 'true';
+    }
+    else {
+        // Config retrieved successfully, but there is no fpr_enabled in template.
+        // Use secondary configs value.
+        settingsServiceInstance.loggingEnabled = DEFAULT_CONFIGS.loggingEnabled;
+    }
+    if (entries.fpr_log_source) {
+        settingsServiceInstance.logSource = Number(entries.fpr_log_source);
+    }
+    else if (DEFAULT_CONFIGS.logSource) {
+        settingsServiceInstance.logSource = DEFAULT_CONFIGS.logSource;
+    }
+    if (entries.fpr_log_endpoint_url) {
+        settingsServiceInstance.logEndPointUrl = entries.fpr_log_endpoint_url;
+    }
+    else if (DEFAULT_CONFIGS.logEndPointUrl) {
+        settingsServiceInstance.logEndPointUrl = DEFAULT_CONFIGS.logEndPointUrl;
+    }
+    // Key from Remote Config has to be non-empty string, otherwise use local value.
+    if (entries.fpr_log_transport_key) {
+        settingsServiceInstance.transportKey = entries.fpr_log_transport_key;
+    }
+    else if (DEFAULT_CONFIGS.transportKey) {
+        settingsServiceInstance.transportKey = DEFAULT_CONFIGS.transportKey;
+    }
+    if (entries.fpr_vc_network_request_sampling_rate !== undefined) {
+        settingsServiceInstance.networkRequestsSamplingRate = Number(entries.fpr_vc_network_request_sampling_rate);
+    }
+    else if (DEFAULT_CONFIGS.networkRequestsSamplingRate !== undefined) {
+        settingsServiceInstance.networkRequestsSamplingRate =
+            DEFAULT_CONFIGS.networkRequestsSamplingRate;
+    }
+    if (entries.fpr_vc_trace_sampling_rate !== undefined) {
+        settingsServiceInstance.tracesSamplingRate = Number(entries.fpr_vc_trace_sampling_rate);
+    }
+    else if (DEFAULT_CONFIGS.tracesSamplingRate !== undefined) {
+        settingsServiceInstance.tracesSamplingRate =
+            DEFAULT_CONFIGS.tracesSamplingRate;
+    }
+    if (entries.fpr_log_max_flush_size) {
+        settingsServiceInstance.logMaxFlushSize = Number(entries.fpr_log_max_flush_size);
+    }
+    else if (DEFAULT_CONFIGS.logMaxFlushSize) {
+        settingsServiceInstance.logMaxFlushSize = DEFAULT_CONFIGS.logMaxFlushSize;
+    }
+    // Set the per session trace and network logging flags.
+    settingsServiceInstance.logTraceAfterSampling = shouldLogAfterSampling(settingsServiceInstance.tracesSamplingRate);
+    settingsServiceInstance.logNetworkAfterSampling = shouldLogAfterSampling(settingsServiceInstance.networkRequestsSamplingRate);
+    return config;
+}
+function configValid(expiry) {
+    return Number(expiry) > Date.now();
+}
+function shouldLogAfterSampling(samplingRate) {
+    return Math.random() <= samplingRate;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let initializationStatus = 1 /* InitializationStatus.notInitialized */;
+let initializationPromise;
+function getInitializationPromise(performanceController) {
+    initializationStatus = 2 /* InitializationStatus.initializationPending */;
+    initializationPromise =
+        initializationPromise || initializePerf(performanceController);
+    return initializationPromise;
+}
+function isPerfInitialized() {
+    return initializationStatus === 3 /* InitializationStatus.initialized */;
+}
+function initializePerf(performanceController) {
+    return getDocumentReadyComplete()
+        .then(() => getIidPromise(performanceController.installations))
+        .then(iid => getConfig(performanceController, iid))
+        .then(() => changeInitializationStatus(), () => changeInitializationStatus());
+}
+/**
+ * Returns a promise which resolves whenever the document readystate is complete or
+ * immediately if it is called after page load complete.
+ */
+function getDocumentReadyComplete() {
+    const document = Api.getInstance().document;
+    return new Promise(resolve => {
+        if (document && document.readyState !== 'complete') {
+            const handler = () => {
+                if (document.readyState === 'complete') {
+                    document.removeEventListener('readystatechange', handler);
+                    resolve();
+                }
+            };
+            document.addEventListener('readystatechange', handler);
+        }
+        else {
+            resolve();
+        }
+    });
+}
+function changeInitializationStatus() {
+    initializationStatus = 3 /* InitializationStatus.initialized */;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const DEFAULT_SEND_INTERVAL_MS = 10 * 1000;
+const INITIAL_SEND_TIME_DELAY_MS = 5.5 * 1000;
+const MAX_EVENT_COUNT_PER_REQUEST = 1000;
+const DEFAULT_REMAINING_TRIES = 3;
+// Most browsers have a max payload of 64KB for sendbeacon/keep alive payload.
+const MAX_SEND_BEACON_PAYLOAD_SIZE = 65536;
+const TEXT_ENCODER = new TextEncoder();
+let remainingTries = DEFAULT_REMAINING_TRIES;
+/* eslint-enable camelcase */
+let queue = [];
+let isTransportSetup = false;
+function setupTransportService() {
+    if (!isTransportSetup) {
+        processQueue(INITIAL_SEND_TIME_DELAY_MS);
+        isTransportSetup = true;
+    }
+}
+function processQueue(timeOffset) {
+    setTimeout(() => {
+        // If there is no remainingTries left, stop retrying.
+        if (remainingTries <= 0) {
+            return;
+        }
+        if (queue.length > 0) {
+            dispatchQueueEvents();
+        }
+        processQueue(DEFAULT_SEND_INTERVAL_MS);
+    }, timeOffset);
+}
+function dispatchQueueEvents() {
+    // Extract events up to the maximum cap of single logRequest from top of "official queue".
+    // The staged events will be used for current logRequest attempt, remaining events will be kept
+    // for next attempt.
+    const staged = queue.splice(0, MAX_EVENT_COUNT_PER_REQUEST);
+    const data = buildPayload(staged);
+    postToFlEndpoint(data)
+        .then(() => {
+        remainingTries = DEFAULT_REMAINING_TRIES;
+    })
+        .catch(() => {
+        // If the request fails for some reason, add the events that were attempted
+        // back to the primary queue to retry later.
+        queue = [...staged, ...queue];
+        remainingTries--;
+        consoleLogger.info(`Tries left: ${remainingTries}.`);
+        processQueue(DEFAULT_SEND_INTERVAL_MS);
+    });
+}
+function buildPayload(events) {
+    /* eslint-disable camelcase */
+    // We will pass the JSON serialized event to the backend.
+    const log_event = events.map(evt => ({
+        source_extension_json_proto3: evt.message,
+        event_time_ms: String(evt.eventTime)
+    }));
+    const transportBatchLog = {
+        request_time_ms: String(Date.now()),
+        client_info: {
+            client_type: 1, // 1 is JS
+            js_client_info: {}
+        },
+        log_source: SettingsService.getInstance().logSource,
+        log_event
+    };
+    /* eslint-enable camelcase */
+    return JSON.stringify(transportBatchLog);
+}
+/** Sends to Firelog. Atempts to use sendBeacon otherwsise uses fetch. */
+function postToFlEndpoint(body) {
+    const flTransportFullUrl = SettingsService.getInstance().getFlTransportFullUrl();
+    const size = TEXT_ENCODER.encode(body).length;
+    if (size <= MAX_SEND_BEACON_PAYLOAD_SIZE &&
+        navigator.sendBeacon &&
+        navigator.sendBeacon(flTransportFullUrl, body)) {
+        return Promise.resolve();
+    }
+    else {
+        return fetch(flTransportFullUrl, {
+            method: 'POST',
+            body
+        });
+    }
+}
+function addToQueue(evt) {
+    if (!evt.eventTime || !evt.message) {
+        throw ERROR_FACTORY.create("invalid cc log" /* ErrorCode.INVALID_CC_LOG */);
+    }
+    // Add the new event to the queue.
+    queue = [...queue, evt];
+}
+/** Log handler for cc service to send the performance logs to the server. */
+function transportHandler(
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+serializer) {
+    return (...args) => {
+        const message = serializer(...args);
+        addToQueue({
+            message,
+            eventTime: Date.now()
+        });
+    };
+}
+/**
+ * Force flush the queued events. Useful at page unload time to ensure all events are uploaded.
+ * Flush will attempt to use sendBeacon to send events async and defaults back to fetch as soon as a
+ * sendBeacon fails. Firefox
+ */
+function flushQueuedEvents() {
+    const flTransportFullUrl = SettingsService.getInstance().getFlTransportFullUrl();
+    while (queue.length > 0) {
+        // Send the last events first to prioritize page load traces
+        const staged = queue.splice(-SettingsService.getInstance().logMaxFlushSize);
+        const body = buildPayload(staged);
+        if (navigator.sendBeacon &&
+            navigator.sendBeacon(flTransportFullUrl, body)) {
+            continue;
+        }
+        else {
+            queue = [...queue, ...staged];
+            break;
+        }
+    }
+    if (queue.length > 0) {
+        const body = buildPayload(queue);
+        fetch(flTransportFullUrl, {
+            method: 'POST',
+            body
+        }).catch(() => {
+            consoleLogger.info(`Failed flushing queued events.`);
+        });
+    }
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let logger;
+//
+// This method is not called before initialization.
+function sendLog(resource, resourceType) {
+    if (!logger) {
+        logger = {
+            send: transportHandler(serializer),
+            flush: flushQueuedEvents
+        };
+    }
+    logger.send(resource, resourceType);
+}
+function logTrace(trace) {
+    const settingsService = SettingsService.getInstance();
+    // Do not log if trace is auto generated and instrumentation is disabled.
+    if (!settingsService.instrumentationEnabled && trace.isAuto) {
+        return;
+    }
+    // Do not log if trace is custom and data collection is disabled.
+    if (!settingsService.dataCollectionEnabled && !trace.isAuto) {
+        return;
+    }
+    // Do not log if required apis are not available.
+    if (!Api.getInstance().requiredApisAvailable()) {
+        return;
+    }
+    if (isPerfInitialized()) {
+        sendTraceLog(trace);
+    }
+    else {
+        // Custom traces can be used before the initialization but logging
+        // should wait until after.
+        getInitializationPromise(trace.performanceController).then(() => sendTraceLog(trace), () => sendTraceLog(trace));
+    }
+}
+function flushLogs() {
+    if (logger) {
+        logger.flush();
+    }
+}
+function sendTraceLog(trace) {
+    if (!getIid()) {
+        return;
+    }
+    const settingsService = SettingsService.getInstance();
+    if (!settingsService.loggingEnabled ||
+        !settingsService.logTraceAfterSampling) {
+        return;
+    }
+    sendLog(trace, 1 /* ResourceType.Trace */);
+}
+function logNetworkRequest(networkRequest) {
+    const settingsService = SettingsService.getInstance();
+    // Do not log network requests if instrumentation is disabled.
+    if (!settingsService.instrumentationEnabled) {
+        return;
+    }
+    // Do not log the js sdk's call to transport service domain to avoid unnecessary cycle.
+    // Need to blacklist both old and new endpoints to avoid migration gap.
+    const networkRequestUrl = networkRequest.url;
+    // Blacklist old log endpoint and new transport endpoint.
+    // Because Performance SDK doesn't instrument requests sent from SDK itself.
+    const logEndpointUrl = settingsService.logEndPointUrl.split('?')[0];
+    const flEndpointUrl = settingsService.flTransportEndpointUrl.split('?')[0];
+    if (networkRequestUrl === logEndpointUrl ||
+        networkRequestUrl === flEndpointUrl) {
+        return;
+    }
+    if (!settingsService.loggingEnabled ||
+        !settingsService.logNetworkAfterSampling) {
+        return;
+    }
+    sendLog(networkRequest, 0 /* ResourceType.NetworkRequest */);
+}
+function serializer(resource, resourceType) {
+    if (resourceType === 0 /* ResourceType.NetworkRequest */) {
+        return serializeNetworkRequest(resource);
+    }
+    return serializeTrace(resource);
+}
+function serializeNetworkRequest(networkRequest) {
+    const networkRequestMetric = {
+        url: networkRequest.url,
+        http_method: networkRequest.httpMethod || 0,
+        http_response_code: 200,
+        response_payload_bytes: networkRequest.responsePayloadBytes,
+        client_start_time_us: networkRequest.startTimeUs,
+        time_to_response_initiated_us: networkRequest.timeToResponseInitiatedUs,
+        time_to_response_completed_us: networkRequest.timeToResponseCompletedUs
+    };
+    const perfMetric = {
+        application_info: getApplicationInfo(networkRequest.performanceController.app),
+        network_request_metric: networkRequestMetric
+    };
+    return JSON.stringify(perfMetric);
+}
+function serializeTrace(trace) {
+    const traceMetric = {
+        name: trace.name,
+        is_auto: trace.isAuto,
+        client_start_time_us: trace.startTimeUs,
+        duration_us: trace.durationUs
+    };
+    if (Object.keys(trace.counters).length !== 0) {
+        traceMetric.counters = trace.counters;
+    }
+    const customAttributes = trace.getAttributes();
+    if (Object.keys(customAttributes).length !== 0) {
+        traceMetric.custom_attributes = customAttributes;
+    }
+    const perfMetric = {
+        application_info: getApplicationInfo(trace.performanceController.app),
+        trace_metric: traceMetric
+    };
+    return JSON.stringify(perfMetric);
+}
+function getApplicationInfo(firebaseApp) {
+    return {
+        google_app_id: getAppId(firebaseApp),
+        app_instance_id: getIid(),
+        web_app_info: {
+            sdk_version: SDK_VERSION,
+            page_url: Api.getInstance().getUrl(),
+            service_worker_status: getServiceWorkerStatus(),
+            visibility_state: getVisibilityState(),
+            effective_connection_type: getEffectiveConnectionType()
+        },
+        application_process_state: 0
+    };
+}
+/* eslint-enable camelcase */
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+function createNetworkRequestEntry(performanceController, entry) {
+    const performanceEntry = entry;
+    if (!performanceEntry || performanceEntry.responseStart === undefined) {
+        return;
+    }
+    const timeOrigin = Api.getInstance().getTimeOrigin();
+    const startTimeUs = Math.floor((performanceEntry.startTime + timeOrigin) * 1000);
+    const timeToResponseInitiatedUs = performanceEntry.responseStart
+        ? Math.floor((performanceEntry.responseStart - performanceEntry.startTime) * 1000)
+        : undefined;
+    const timeToResponseCompletedUs = Math.floor((performanceEntry.responseEnd - performanceEntry.startTime) * 1000);
+    // Remove the query params from logged network request url.
+    const url = performanceEntry.name && performanceEntry.name.split('?')[0];
+    const networkRequest = {
+        performanceController,
+        url,
+        responsePayloadBytes: performanceEntry.transferSize,
+        startTimeUs,
+        timeToResponseInitiatedUs,
+        timeToResponseCompletedUs
+    };
+    logNetworkRequest(networkRequest);
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const MAX_METRIC_NAME_LENGTH = 100;
+const RESERVED_AUTO_PREFIX = '_';
+const oobMetrics = [
+    FIRST_PAINT_COUNTER_NAME,
+    FIRST_CONTENTFUL_PAINT_COUNTER_NAME,
+    FIRST_INPUT_DELAY_COUNTER_NAME,
+    LARGEST_CONTENTFUL_PAINT_METRIC_NAME,
+    CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,
+    INTERACTION_TO_NEXT_PAINT_METRIC_NAME
+];
+/**
+ * Returns true if the metric is custom and does not start with reserved prefix, or if
+ * the metric is one of out of the box page load trace metrics.
+ */
+function isValidMetricName(name, traceName) {
+    if (name.length === 0 || name.length > MAX_METRIC_NAME_LENGTH) {
+        return false;
+    }
+    return ((traceName &&
+        traceName.startsWith(OOB_TRACE_PAGE_LOAD_PREFIX) &&
+        oobMetrics.indexOf(name) > -1) ||
+        !name.startsWith(RESERVED_AUTO_PREFIX));
+}
+/**
+ * Converts the provided value to an integer value to be used in case of a metric.
+ * @param providedValue Provided number value of the metric that needs to be converted to an integer.
+ *
+ * @returns Converted integer number to be set for the metric.
+ */
+function convertMetricValueToInteger(providedValue) {
+    const valueAsInteger = Math.floor(providedValue);
+    if (valueAsInteger < providedValue) {
+        consoleLogger.info(`Metric value should be an Integer, setting the value as : ${valueAsInteger}.`);
+    }
+    return valueAsInteger;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+class Trace {
+    /**
+     * @param performanceController The performance controller running.
+     * @param name The name of the trace.
+     * @param isAuto If the trace is auto-instrumented.
+     * @param traceMeasureName The name of the measure marker in user timing specification. This field
+     * is only set when the trace is built for logging when the user directly uses the user timing
+     * api (performance.mark and performance.measure).
+     */
+    constructor(performanceController, name, isAuto = false, traceMeasureName) {
+        this.performanceController = performanceController;
+        this.name = name;
+        this.isAuto = isAuto;
+        this.state = 1 /* TraceState.UNINITIALIZED */;
+        this.customAttributes = {};
+        this.counters = {};
+        this.api = Api.getInstance();
+        this.randomId = Math.floor(Math.random() * 1000000);
+        if (!this.isAuto) {
+            this.traceStartMark = `${TRACE_START_MARK_PREFIX}-${this.randomId}-${this.name}`;
+            this.traceStopMark = `${TRACE_STOP_MARK_PREFIX}-${this.randomId}-${this.name}`;
+            this.traceMeasure =
+                traceMeasureName ||
+                    `${TRACE_MEASURE_PREFIX}-${this.randomId}-${this.name}`;
+            if (traceMeasureName) {
+                // For the case of direct user timing traces, no start stop will happen. The measure object
+                // is already available.
+                this.calculateTraceMetrics();
+            }
+        }
+    }
+    /**
+     * Starts a trace. The measurement of the duration starts at this point.
+     */
+    start() {
+        if (this.state !== 1 /* TraceState.UNINITIALIZED */) {
+            throw ERROR_FACTORY.create("trace started" /* ErrorCode.TRACE_STARTED_BEFORE */, {
+                traceName: this.name
+            });
+        }
+        this.api.mark(this.traceStartMark);
+        this.state = 2 /* TraceState.RUNNING */;
+    }
+    /**
+     * Stops the trace. The measurement of the duration of the trace stops at this point and trace
+     * is logged.
+     */
+    stop() {
+        if (this.state !== 2 /* TraceState.RUNNING */) {
+            throw ERROR_FACTORY.create("trace stopped" /* ErrorCode.TRACE_STOPPED_BEFORE */, {
+                traceName: this.name
+            });
+        }
+        this.state = 3 /* TraceState.TERMINATED */;
+        this.api.mark(this.traceStopMark);
+        this.api.measure(this.traceMeasure, this.traceStartMark, this.traceStopMark);
+        this.calculateTraceMetrics();
+        logTrace(this);
+    }
+    /**
+     * Records a trace with predetermined values. If this method is used a trace is created and logged
+     * directly. No need to use start and stop methods.
+     * @param startTime Trace start time since epoch in millisec
+     * @param duration The duration of the trace in millisec
+     * @param options An object which can optionally hold maps of custom metrics and custom attributes
+     */
+    record(startTime, duration, options) {
+        if (startTime <= 0) {
+            throw ERROR_FACTORY.create("nonpositive trace startTime" /* ErrorCode.NONPOSITIVE_TRACE_START_TIME */, {
+                traceName: this.name
+            });
+        }
+        if (duration <= 0) {
+            throw ERROR_FACTORY.create("nonpositive trace duration" /* ErrorCode.NONPOSITIVE_TRACE_DURATION */, {
+                traceName: this.name
+            });
+        }
+        this.durationUs = Math.floor(duration * 1000);
+        this.startTimeUs = Math.floor(startTime * 1000);
+        if (options && options.attributes) {
+            this.customAttributes = { ...options.attributes };
+        }
+        if (options && options.metrics) {
+            for (const metricName of Object.keys(options.metrics)) {
+                if (!isNaN(Number(options.metrics[metricName]))) {
+                    this.counters[metricName] = Math.floor(Number(options.metrics[metricName]));
+                }
+            }
+        }
+        logTrace(this);
+    }
+    /**
+     * Increments a custom metric by a certain number or 1 if number not specified. Will create a new
+     * custom metric if one with the given name does not exist. The value will be floored down to an
+     * integer.
+     * @param counter Name of the custom metric
+     * @param numAsInteger Increment by value
+     */
+    incrementMetric(counter, numAsInteger = 1) {
+        if (this.counters[counter] === undefined) {
+            this.putMetric(counter, numAsInteger);
+        }
+        else {
+            this.putMetric(counter, this.counters[counter] + numAsInteger);
+        }
+    }
+    /**
+     * Sets a custom metric to a specified value. Will create a new custom metric if one with the
+     * given name does not exist. The value will be floored down to an integer.
+     * @param counter Name of the custom metric
+     * @param numAsInteger Set custom metric to this value
+     */
+    putMetric(counter, numAsInteger) {
+        if (isValidMetricName(counter, this.name)) {
+            this.counters[counter] = convertMetricValueToInteger(numAsInteger ?? 0);
+        }
+        else {
+            throw ERROR_FACTORY.create("invalid custom metric name" /* ErrorCode.INVALID_CUSTOM_METRIC_NAME */, {
+                customMetricName: counter
+            });
+        }
+    }
+    /**
+     * Returns the value of the custom metric by that name. If a custom metric with that name does
+     * not exist will return zero.
+     * @param counter
+     */
+    getMetric(counter) {
+        return this.counters[counter] || 0;
+    }
+    /**
+     * Sets a custom attribute of a trace to a certain value.
+     * @param attr
+     * @param value
+     */
+    putAttribute(attr, value) {
+        const isValidName = isValidCustomAttributeName(attr);
+        const isValidValue = isValidCustomAttributeValue(value);
+        if (isValidName && isValidValue) {
+            this.customAttributes[attr] = value;
+            return;
+        }
+        // Throw appropriate error when the attribute name or value is invalid.
+        if (!isValidName) {
+            throw ERROR_FACTORY.create("invalid attribute name" /* ErrorCode.INVALID_ATTRIBUTE_NAME */, {
+                attributeName: attr
+            });
+        }
+        if (!isValidValue) {
+            throw ERROR_FACTORY.create("invalid attribute value" /* ErrorCode.INVALID_ATTRIBUTE_VALUE */, {
+                attributeValue: value
+            });
+        }
+    }
+    /**
+     * Retrieves the value a custom attribute of a trace is set to.
+     * @param attr
+     */
+    getAttribute(attr) {
+        return this.customAttributes[attr];
+    }
+    removeAttribute(attr) {
+        if (this.customAttributes[attr] === undefined) {
+            return;
+        }
+        delete this.customAttributes[attr];
+    }
+    getAttributes() {
+        return { ...this.customAttributes };
+    }
+    setStartTime(startTime) {
+        this.startTimeUs = startTime;
+    }
+    setDuration(duration) {
+        this.durationUs = duration;
+    }
+    /**
+     * Calculates and assigns the duration and start time of the trace using the measure performance
+     * entry.
+     */
+    calculateTraceMetrics() {
+        const perfMeasureEntries = this.api.getEntriesByName(this.traceMeasure);
+        const perfMeasureEntry = perfMeasureEntries && perfMeasureEntries[0];
+        if (perfMeasureEntry) {
+            this.durationUs = Math.floor(perfMeasureEntry.duration * 1000);
+            this.startTimeUs = Math.floor((perfMeasureEntry.startTime + this.api.getTimeOrigin()) * 1000);
+        }
+    }
+    /**
+     * @param navigationTimings A single element array which contains the navigationTIming object of
+     * the page load
+     * @param paintTimings A array which contains paintTiming object of the page load
+     * @param firstInputDelay First input delay in millisec
+     */
+    static createOobTrace(performanceController, navigationTimings, paintTimings, webVitalMetrics, firstInputDelay) {
+        const route = Api.getInstance().getUrl();
+        if (!route) {
+            return;
+        }
+        const trace = new Trace(performanceController, OOB_TRACE_PAGE_LOAD_PREFIX + route, true);
+        const timeOriginUs = Math.floor(Api.getInstance().getTimeOrigin() * 1000);
+        trace.setStartTime(timeOriginUs);
+        // navigationTimings includes only one element.
+        if (navigationTimings && navigationTimings[0]) {
+            trace.setDuration(Math.floor(navigationTimings[0].duration * 1000));
+            trace.putMetric('domInteractive', Math.floor(navigationTimings[0].domInteractive * 1000));
+            trace.putMetric('domContentLoadedEventEnd', Math.floor(navigationTimings[0].domContentLoadedEventEnd * 1000));
+            trace.putMetric('loadEventEnd', Math.floor(navigationTimings[0].loadEventEnd * 1000));
+        }
+        const FIRST_PAINT = 'first-paint';
+        const FIRST_CONTENTFUL_PAINT = 'first-contentful-paint';
+        if (paintTimings) {
+            const firstPaint = paintTimings.find(paintObject => paintObject.name === FIRST_PAINT);
+            if (firstPaint && firstPaint.startTime) {
+                trace.putMetric(FIRST_PAINT_COUNTER_NAME, Math.floor(firstPaint.startTime * 1000));
+            }
+            const firstContentfulPaint = paintTimings.find(paintObject => paintObject.name === FIRST_CONTENTFUL_PAINT);
+            if (firstContentfulPaint && firstContentfulPaint.startTime) {
+                trace.putMetric(FIRST_CONTENTFUL_PAINT_COUNTER_NAME, Math.floor(firstContentfulPaint.startTime * 1000));
+            }
+            if (firstInputDelay) {
+                trace.putMetric(FIRST_INPUT_DELAY_COUNTER_NAME, Math.floor(firstInputDelay * 1000));
+            }
+        }
+        this.addWebVitalMetric(trace, LARGEST_CONTENTFUL_PAINT_METRIC_NAME, LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME, webVitalMetrics.lcp);
+        this.addWebVitalMetric(trace, CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME, CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME, webVitalMetrics.cls);
+        this.addWebVitalMetric(trace, INTERACTION_TO_NEXT_PAINT_METRIC_NAME, INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME, webVitalMetrics.inp);
+        // Page load logs are sent at unload time and so should be logged and
+        // flushed immediately.
+        logTrace(trace);
+        flushLogs();
+    }
+    static addWebVitalMetric(trace, metricKey, attributeKey, metric) {
+        if (metric) {
+            trace.putMetric(metricKey, Math.floor(metric.value * 1000));
+            if (metric.elementAttribution) {
+                if (metric.elementAttribution.length > MAX_ATTRIBUTE_VALUE_LENGTH) {
+                    trace.putAttribute(attributeKey, metric.elementAttribution.substring(0, MAX_ATTRIBUTE_VALUE_LENGTH));
+                }
+                else {
+                    trace.putAttribute(attributeKey, metric.elementAttribution);
+                }
+            }
+        }
+    }
+    static createUserTimingTrace(performanceController, measureName) {
+        const trace = new Trace(performanceController, measureName, false, measureName);
+        logTrace(trace);
+    }
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let webVitalMetrics = {};
+let sentPageLoadTrace = false;
+let firstInputDelay;
+function setupOobResources(performanceController) {
+    // Do not initialize unless iid is available.
+    if (!getIid()) {
+        return;
+    }
+    // The load event might not have fired yet, and that means performance
+    // navigation timing object has a duration of 0. The setup should run after
+    // all current tasks in js queue.
+    setTimeout(() => setupOobTraces(performanceController), 0);
+    setTimeout(() => setupNetworkRequests(performanceController), 0);
+    setTimeout(() => setupUserTimingTraces(performanceController), 0);
+}
+function setupNetworkRequests(performanceController) {
+    const api = Api.getInstance();
+    const resources = api.getEntriesByType('resource');
+    for (const resource of resources) {
+        createNetworkRequestEntry(performanceController, resource);
+    }
+    api.setupObserver('resource', entry => createNetworkRequestEntry(performanceController, entry));
+}
+function setupOobTraces(performanceController) {
+    const api = Api.getInstance();
+    // Better support for Safari
+    if ('onpagehide' in window) {
+        api.document.addEventListener('pagehide', () => sendOobTrace(performanceController));
+    }
+    else {
+        api.document.addEventListener('unload', () => sendOobTrace(performanceController));
+    }
+    api.document.addEventListener('visibilitychange', () => {
+        if (api.document.visibilityState === 'hidden') {
+            sendOobTrace(performanceController);
+        }
+    });
+    if (api.onFirstInputDelay) {
+        api.onFirstInputDelay((fid) => {
+            firstInputDelay = fid;
+        });
+    }
+    api.onLCP((metric) => {
+        webVitalMetrics.lcp = {
+            value: metric.value,
+            elementAttribution: metric.attribution?.element
+        };
+    });
+    api.onCLS((metric) => {
+        webVitalMetrics.cls = {
+            value: metric.value,
+            elementAttribution: metric.attribution?.largestShiftTarget
+        };
+    });
+    api.onINP((metric) => {
+        webVitalMetrics.inp = {
+            value: metric.value,
+            elementAttribution: metric.attribution?.interactionTarget
+        };
+    });
+}
+function setupUserTimingTraces(performanceController) {
+    const api = Api.getInstance();
+    // Run through the measure performance entries collected up to this point.
+    const measures = api.getEntriesByType('measure');
+    for (const measure of measures) {
+        createUserTimingTrace(performanceController, measure);
+    }
+    // Setup an observer to capture the measures from this point on.
+    api.setupObserver('measure', entry => createUserTimingTrace(performanceController, entry));
+}
+function createUserTimingTrace(performanceController, measure) {
+    const measureName = measure.name;
+    // Do not create a trace, if the user timing marks and measures are created by
+    // the sdk itself.
+    if (measureName.substring(0, TRACE_MEASURE_PREFIX.length) ===
+        TRACE_MEASURE_PREFIX) {
+        return;
+    }
+    Trace.createUserTimingTrace(performanceController, measureName);
+}
+function sendOobTrace(performanceController) {
+    if (!sentPageLoadTrace) {
+        sentPageLoadTrace = true;
+        const api = Api.getInstance();
+        const navigationTimings = api.getEntriesByType('navigation');
+        const paintTimings = api.getEntriesByType('paint');
+        // On page unload web vitals may be updated so queue the oob trace creation
+        // so that these updates have time to be included.
+        setTimeout(() => {
+            Trace.createOobTrace(performanceController, navigationTimings, paintTimings, webVitalMetrics, firstInputDelay);
+        }, 0);
+    }
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+class PerformanceController {
+    constructor(app, installations) {
+        this.app = app;
+        this.installations = installations;
+        this.initialized = false;
+    }
+    /**
+     * This method *must* be called internally as part of creating a
+     * PerformanceController instance.
+     *
+     * Currently it's not possible to pass the settings object through the
+     * constructor using Components, so this method exists to be called with the
+     * desired settings, to ensure nothing is collected without the user's
+     * consent.
+     */
+    _init(settings) {
+        if (this.initialized) {
+            return;
+        }
+        if (settings?.dataCollectionEnabled !== undefined) {
+            this.dataCollectionEnabled = settings.dataCollectionEnabled;
+        }
+        if (settings?.instrumentationEnabled !== undefined) {
+            this.instrumentationEnabled = settings.instrumentationEnabled;
+        }
+        if (Api.getInstance().requiredApisAvailable()) {
+            validateIndexedDBOpenable()
+                .then(isAvailable => {
+                if (isAvailable) {
+                    setupTransportService();
+                    getInitializationPromise(this).then(() => setupOobResources(this), () => setupOobResources(this));
+                    this.initialized = true;
+                }
+            })
+                .catch(error => {
+                consoleLogger.info(`Environment doesn't support IndexedDB: ${error}`);
+            });
+        }
+        else {
+            consoleLogger.info('Firebase Performance cannot start if the browser does not support ' +
+                '"Fetch" and "Promise", or cookies are disabled.');
+        }
+    }
+    set instrumentationEnabled(val) {
+        SettingsService.getInstance().instrumentationEnabled = val;
+    }
+    get instrumentationEnabled() {
+        return SettingsService.getInstance().instrumentationEnabled;
+    }
+    set dataCollectionEnabled(val) {
+        SettingsService.getInstance().dataCollectionEnabled = val;
+    }
+    get dataCollectionEnabled() {
+        return SettingsService.getInstance().dataCollectionEnabled;
+    }
+}
+
+/**
+ * The Firebase Performance Monitoring Web SDK.
+ * This SDK does not work in a Node.js environment.
+ *
+ * @packageDocumentation
+ */
+const DEFAULT_ENTRY_NAME = '[DEFAULT]';
+/**
+ * Returns a {@link FirebasePerformance} instance for the given app.
+ * @param app - The {@link @firebase/app#FirebaseApp} to use.
+ * @public
+ */
+function getPerformance(app = getApp()) {
+    app = getModularInstance(app);
+    const provider = _getProvider(app, 'performance');
+    const perfInstance = provider.getImmediate();
+    return perfInstance;
+}
+/**
+ * Returns a {@link FirebasePerformance} instance for the given app. Can only be called once.
+ * @param app - The {@link @firebase/app#FirebaseApp} to use.
+ * @param settings - Optional settings for the {@link FirebasePerformance} instance.
+ * @public
+ */
+function initializePerformance(app, settings) {
+    app = getModularInstance(app);
+    const provider = _getProvider(app, 'performance');
+    // throw if an instance was already created.
+    // It could happen if initializePerformance() is called more than once, or getPerformance() is called first.
+    if (provider.isInitialized()) {
+        const existingInstance = provider.getImmediate();
+        const initialSettings = provider.getOptions();
+        if (deepEqual(initialSettings, settings ?? {})) {
+            return existingInstance;
+        }
+        else {
+            throw ERROR_FACTORY.create("already initialized" /* ErrorCode.ALREADY_INITIALIZED */);
+        }
+    }
+    const perfInstance = provider.initialize({
+        options: settings
+    });
+    return perfInstance;
+}
+/**
+ * Returns a new `PerformanceTrace` instance.
+ * @param performance - The {@link FirebasePerformance} instance to use.
+ * @param name - The name of the trace.
+ * @public
+ */
+function trace(performance, name) {
+    performance = getModularInstance(performance);
+    return new Trace(performance, name);
+}
+const factory = (container, { options: settings }) => {
+    // Dependencies
+    const app = container.getProvider('app').getImmediate();
+    const installations = container
+        .getProvider('installations-internal')
+        .getImmediate();
+    if (app.name !== DEFAULT_ENTRY_NAME) {
+        throw ERROR_FACTORY.create("FB not default" /* ErrorCode.FB_NOT_DEFAULT */);
+    }
+    if (typeof window === 'undefined') {
+        throw ERROR_FACTORY.create("no window" /* ErrorCode.NO_WINDOW */);
+    }
+    setupApi(window);
+    const perfInstance = new PerformanceController(app, installations);
+    perfInstance._init(settings);
+    return perfInstance;
+};
+function registerPerformance() {
+    _registerComponent(new Component('performance', factory, "PUBLIC" /* ComponentType.PUBLIC */));
+    registerVersion(name, version);
+    // BUILD_TARGET will be replaced by values like esm, cjs, etc during the compilation
+    registerVersion(name, version, 'esm2020');
+}
+registerPerformance();
+
+export { getPerformance, initializePerformance, trace };
+//# sourceMappingURL=index.esm.js.map
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/index.esm.js.map b/frontend-old/node_modules/@firebase/performance/dist/esm/index.esm.js.map
new file mode 100644
index 0000000..9593993
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/index.esm.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.esm.js","sources":["../../src/constants.ts","../../src/utils/errors.ts","../../src/utils/console_logger.ts","../../src/services/api_service.ts","../../src/services/iid_service.ts","../../src/utils/string_merger.ts","../../src/services/settings_service.ts","../../src/utils/attributes_utils.ts","../../src/utils/app_utils.ts","../../src/services/remote_config_service.ts","../../src/services/initialization_service.ts","../../src/services/transport_service.ts","../../src/services/perf_logger.ts","../../src/resources/network_request.ts","../../src/utils/metric_utils.ts","../../src/resources/trace.ts","../../src/services/oob_resources_service.ts","../../src/controllers/perf.ts","../../src/index.ts"],"sourcesContent":["/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { version } from '../package.json';\n\nexport const SDK_VERSION = version;\n/** The prefix for start User Timing marks used for creating Traces. */\nexport const TRACE_START_MARK_PREFIX = 'FB-PERF-TRACE-START';\n/** The prefix for stop User Timing marks used for creating Traces. */\nexport const TRACE_STOP_MARK_PREFIX = 'FB-PERF-TRACE-STOP';\n/** The prefix for User Timing measure used for creating Traces. */\nexport const TRACE_MEASURE_PREFIX = 'FB-PERF-TRACE-MEASURE';\n/** The prefix for out of the box page load Trace name. */\nexport const OOB_TRACE_PAGE_LOAD_PREFIX = '_wt_';\n\nexport const FIRST_PAINT_COUNTER_NAME = '_fp';\n\nexport const FIRST_CONTENTFUL_PAINT_COUNTER_NAME = '_fcp';\n\nexport const FIRST_INPUT_DELAY_COUNTER_NAME = '_fid';\n\nexport const LARGEST_CONTENTFUL_PAINT_METRIC_NAME = '_lcp';\nexport const LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME = 'lcp_element';\n\nexport const INTERACTION_TO_NEXT_PAINT_METRIC_NAME = '_inp';\nexport const INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME = 'inp_interactionTarget';\n\nexport const CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME = '_cls';\nexport const CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME = 'cls_largestShiftTarget';\n\nexport const CONFIG_LOCAL_STORAGE_KEY = '@firebase/performance/config';\n\nexport const CONFIG_EXPIRY_LOCAL_STORAGE_KEY =\n  '@firebase/performance/configexpire';\n\nexport const SERVICE = 'performance';\nexport const SERVICE_NAME = 'Performance';\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ErrorFactory } from '@firebase/util';\nimport { SERVICE, SERVICE_NAME } from '../constants';\n\nexport const enum ErrorCode {\n  TRACE_STARTED_BEFORE = 'trace started',\n  TRACE_STOPPED_BEFORE = 'trace stopped',\n  NONPOSITIVE_TRACE_START_TIME = 'nonpositive trace startTime',\n  NONPOSITIVE_TRACE_DURATION = 'nonpositive trace duration',\n  NO_WINDOW = 'no window',\n  NO_APP_ID = 'no app id',\n  NO_PROJECT_ID = 'no project id',\n  NO_API_KEY = 'no api key',\n  INVALID_CC_LOG = 'invalid cc log',\n  FB_NOT_DEFAULT = 'FB not default',\n  RC_NOT_OK = 'RC response not ok',\n  INVALID_ATTRIBUTE_NAME = 'invalid attribute name',\n  INVALID_ATTRIBUTE_VALUE = 'invalid attribute value',\n  INVALID_CUSTOM_METRIC_NAME = 'invalid custom metric name',\n  INVALID_STRING_MERGER_PARAMETER = 'invalid String merger input',\n  ALREADY_INITIALIZED = 'already initialized'\n}\n\nconst ERROR_DESCRIPTION_MAP: { readonly [key in ErrorCode]: string } = {\n  [ErrorCode.TRACE_STARTED_BEFORE]: 'Trace {$traceName} was started before.',\n  [ErrorCode.TRACE_STOPPED_BEFORE]: 'Trace {$traceName} is not running.',\n  [ErrorCode.NONPOSITIVE_TRACE_START_TIME]:\n    'Trace {$traceName} startTime should be positive.',\n  [ErrorCode.NONPOSITIVE_TRACE_DURATION]:\n    'Trace {$traceName} duration should be positive.',\n  [ErrorCode.NO_WINDOW]: 'Window is not available.',\n  [ErrorCode.NO_APP_ID]: 'App id is not available.',\n  [ErrorCode.NO_PROJECT_ID]: 'Project id is not available.',\n  [ErrorCode.NO_API_KEY]: 'Api key is not available.',\n  [ErrorCode.INVALID_CC_LOG]: 'Attempted to queue invalid cc event',\n  [ErrorCode.FB_NOT_DEFAULT]:\n    'Performance can only start when Firebase app instance is the default one.',\n  [ErrorCode.RC_NOT_OK]: 'RC response is not ok',\n  [ErrorCode.INVALID_ATTRIBUTE_NAME]:\n    'Attribute name {$attributeName} is invalid.',\n  [ErrorCode.INVALID_ATTRIBUTE_VALUE]:\n    'Attribute value {$attributeValue} is invalid.',\n  [ErrorCode.INVALID_CUSTOM_METRIC_NAME]:\n    'Custom metric name {$customMetricName} is invalid',\n  [ErrorCode.INVALID_STRING_MERGER_PARAMETER]:\n    'Input for String merger is invalid, contact support team to resolve.',\n  [ErrorCode.ALREADY_INITIALIZED]:\n    'initializePerformance() has already been called with ' +\n    'different options. To avoid this error, call initializePerformance() with the ' +\n    'same options as when it was originally called, or call getPerformance() to return the' +\n    ' already initialized instance.'\n};\n\ninterface ErrorParams {\n  [ErrorCode.TRACE_STARTED_BEFORE]: { traceName: string };\n  [ErrorCode.TRACE_STOPPED_BEFORE]: { traceName: string };\n  [ErrorCode.NONPOSITIVE_TRACE_START_TIME]: { traceName: string };\n  [ErrorCode.NONPOSITIVE_TRACE_DURATION]: { traceName: string };\n  [ErrorCode.INVALID_ATTRIBUTE_NAME]: { attributeName: string };\n  [ErrorCode.INVALID_ATTRIBUTE_VALUE]: { attributeValue: string };\n  [ErrorCode.INVALID_CUSTOM_METRIC_NAME]: { customMetricName: string };\n}\n\nexport const ERROR_FACTORY = new ErrorFactory<ErrorCode, ErrorParams>(\n  SERVICE,\n  SERVICE_NAME,\n  ERROR_DESCRIPTION_MAP\n);\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Logger, LogLevel } from '@firebase/logger';\nimport { SERVICE_NAME } from '../constants';\n\nexport const consoleLogger = new Logger(SERVICE_NAME);\nconsoleLogger.logLevel = LogLevel.INFO;\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\nimport { isIndexedDBAvailable, areCookiesEnabled } from '@firebase/util';\nimport { consoleLogger } from '../utils/console_logger';\nimport {\n  CLSMetricWithAttribution,\n  INPMetricWithAttribution,\n  LCPMetricWithAttribution,\n  onCLS as vitalsOnCLS,\n  onINP as vitalsOnINP,\n  onLCP as vitalsOnLCP\n} from 'web-vitals/attribution';\n\ndeclare global {\n  interface Window {\n    PerformanceObserver: typeof PerformanceObserver;\n    perfMetrics?: { onFirstInputDelay(fn: (fid: number) => void): void };\n  }\n}\n\nlet apiInstance: Api | undefined;\nlet windowInstance: Window | undefined;\n\nexport type EntryType =\n  | 'mark'\n  | 'measure'\n  | 'paint'\n  | 'resource'\n  | 'frame'\n  | 'navigation';\n\n/**\n * This class holds a reference to various browser related objects injected by\n * set methods.\n */\nexport class Api {\n  private readonly performance: Performance;\n  /** PerformanceObserver constructor function. */\n  private readonly PerformanceObserver: typeof PerformanceObserver;\n  private readonly windowLocation: Location;\n  readonly onFirstInputDelay?: (fn: (fid: number) => void) => void;\n  readonly onLCP: (fn: (metric: LCPMetricWithAttribution) => void) => void;\n  readonly onINP: (fn: (metric: INPMetricWithAttribution) => void) => void;\n  readonly onCLS: (fn: (metric: CLSMetricWithAttribution) => void) => void;\n  readonly localStorage?: Storage;\n  readonly document: Document;\n  readonly navigator: Navigator;\n\n  constructor(readonly window?: Window) {\n    if (!window) {\n      throw ERROR_FACTORY.create(ErrorCode.NO_WINDOW);\n    }\n    this.performance = window.performance;\n    this.PerformanceObserver = window.PerformanceObserver;\n    this.windowLocation = window.location;\n    this.navigator = window.navigator;\n    this.document = window.document;\n    if (this.navigator && this.navigator.cookieEnabled) {\n      // If user blocks cookies on the browser, accessing localStorage will\n      // throw an exception.\n      this.localStorage = window.localStorage;\n    }\n    if (window.perfMetrics && window.perfMetrics.onFirstInputDelay) {\n      this.onFirstInputDelay = window.perfMetrics.onFirstInputDelay;\n    }\n    this.onLCP = vitalsOnLCP;\n    this.onINP = vitalsOnINP;\n    this.onCLS = vitalsOnCLS;\n  }\n\n  getUrl(): string {\n    // Do not capture the string query part of url.\n    return this.windowLocation.href.split('?')[0];\n  }\n\n  mark(name: string): void {\n    if (!this.performance || !this.performance.mark) {\n      return;\n    }\n    this.performance.mark(name);\n  }\n\n  measure(measureName: string, mark1: string, mark2: string): void {\n    if (!this.performance || !this.performance.measure) {\n      return;\n    }\n    this.performance.measure(measureName, mark1, mark2);\n  }\n\n  getEntriesByType(type: EntryType): PerformanceEntry[] {\n    if (!this.performance || !this.performance.getEntriesByType) {\n      return [];\n    }\n    return this.performance.getEntriesByType(type);\n  }\n\n  getEntriesByName(name: string): PerformanceEntry[] {\n    if (!this.performance || !this.performance.getEntriesByName) {\n      return [];\n    }\n    return this.performance.getEntriesByName(name);\n  }\n\n  getTimeOrigin(): number {\n    // Polyfill the time origin with performance.timing.navigationStart.\n    return (\n      this.performance &&\n      (this.performance.timeOrigin || this.performance.timing.navigationStart)\n    );\n  }\n\n  requiredApisAvailable(): boolean {\n    if (!fetch || !Promise || !areCookiesEnabled()) {\n      consoleLogger.info(\n        'Firebase Performance cannot start if browser does not support fetch and Promise or cookie is disabled.'\n      );\n      return false;\n    }\n\n    if (!isIndexedDBAvailable()) {\n      consoleLogger.info('IndexedDB is not supported by current browser');\n      return false;\n    }\n    return true;\n  }\n\n  setupObserver(\n    entryType: EntryType,\n    callback: (entry: PerformanceEntry) => void\n  ): void {\n    if (!this.PerformanceObserver) {\n      return;\n    }\n    const observer = new this.PerformanceObserver(list => {\n      for (const entry of list.getEntries()) {\n        // `entry` is a PerformanceEntry instance.\n        callback(entry);\n      }\n    });\n\n    // Start observing the entry types you care about.\n    observer.observe({ entryTypes: [entryType] });\n  }\n\n  static getInstance(): Api {\n    if (apiInstance === undefined) {\n      apiInstance = new Api(windowInstance);\n    }\n    return apiInstance;\n  }\n}\n\nexport function setupApi(window: Window): void {\n  windowInstance = window;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { _FirebaseInstallationsInternal } from '@firebase/installations';\n\nlet iid: string | undefined;\nlet authToken: string | undefined;\n\nexport function getIidPromise(\n  installationsService: _FirebaseInstallationsInternal\n): Promise<string> {\n  const iidPromise = installationsService.getId();\n  // eslint-disable-next-line @typescript-eslint/no-floating-promises\n  iidPromise.then((iidVal: string) => {\n    iid = iidVal;\n  });\n  return iidPromise;\n}\n\n// This method should be used after the iid is retrieved by getIidPromise method.\nexport function getIid(): string | undefined {\n  return iid;\n}\n\nexport function getAuthTokenPromise(\n  installationsService: _FirebaseInstallationsInternal\n): Promise<string> {\n  const authTokenPromise = installationsService.getToken();\n  // eslint-disable-next-line @typescript-eslint/no-floating-promises\n  authTokenPromise.then((authTokenVal: string) => {\n    authToken = authTokenVal;\n  });\n  return authTokenPromise;\n}\n\nexport function getAuthenticationToken(): string | undefined {\n  return authToken;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ERROR_FACTORY, ErrorCode } from './errors';\n\nexport function mergeStrings(part1: string, part2: string): string {\n  const sizeDiff = part1.length - part2.length;\n  if (sizeDiff < 0 || sizeDiff > 1) {\n    throw ERROR_FACTORY.create(ErrorCode.INVALID_STRING_MERGER_PARAMETER);\n  }\n\n  const resultArray = [];\n  for (let i = 0; i < part1.length; i++) {\n    resultArray.push(part1.charAt(i));\n    if (part2.length > i) {\n      resultArray.push(part2.charAt(i));\n    }\n  }\n\n  return resultArray.join('');\n}\n","/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { mergeStrings } from '../utils/string_merger';\n\nlet settingsServiceInstance: SettingsService | undefined;\n\nexport class SettingsService {\n  // The variable which controls logging of automatic traces and HTTP/S network monitoring.\n  instrumentationEnabled = true;\n\n  // The variable which controls logging of custom traces.\n  dataCollectionEnabled = true;\n\n  // Configuration flags set through remote config.\n  loggingEnabled = false;\n  // Sampling rate between 0 and 1.\n  tracesSamplingRate = 1;\n  networkRequestsSamplingRate = 1;\n\n  // Address of logging service.\n  logEndPointUrl =\n    'https://firebaselogging.googleapis.com/v0cc/log?format=json_proto';\n  // Performance event transport endpoint URL which should be compatible with proto3.\n  // New Address for transport service, not configurable via Remote Config.\n  flTransportEndpointUrl = mergeStrings(\n    'hts/frbslgigp.ogepscmv/ieo/eaylg',\n    'tp:/ieaeogn-agolai.o/1frlglgc/o'\n  );\n\n  transportKey = mergeStrings('AzSC8r6ReiGqFMyfvgow', 'Iayx0u-XT3vksVM-pIV');\n\n  // Source type for performance event logs.\n  logSource = 462;\n\n  // Flags which control per session logging of traces and network requests.\n  logTraceAfterSampling = false;\n  logNetworkAfterSampling = false;\n\n  // TTL of config retrieved from remote config in hours.\n  configTimeToLive = 12;\n\n  // The max number of events to send during a flush. This number is kept low to since Chrome has a\n  // shared payload limit for all sendBeacon calls in the same nav context.\n  logMaxFlushSize = 40;\n\n  getFlTransportFullUrl(): string {\n    return this.flTransportEndpointUrl.concat('?key=', this.transportKey);\n  }\n\n  static getInstance(): SettingsService {\n    if (settingsServiceInstance === undefined) {\n      settingsServiceInstance = new SettingsService();\n    }\n    return settingsServiceInstance;\n  }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Api } from '../services/api_service';\n\n// The values and orders of the following enums should not be changed.\nconst enum ServiceWorkerStatus {\n  UNKNOWN = 0,\n  UNSUPPORTED = 1,\n  CONTROLLED = 2,\n  UNCONTROLLED = 3\n}\n\nexport enum VisibilityState {\n  UNKNOWN = 0,\n  VISIBLE = 1,\n  HIDDEN = 2\n}\n\nconst enum EffectiveConnectionType {\n  UNKNOWN = 0,\n  CONNECTION_SLOW_2G = 1,\n  CONNECTION_2G = 2,\n  CONNECTION_3G = 3,\n  CONNECTION_4G = 4\n}\n\ntype ConnectionType =\n  | 'bluetooth'\n  | 'cellular'\n  | 'ethernet'\n  | 'mixed'\n  | 'none'\n  | 'other'\n  | 'unknown'\n  | 'wifi';\n\n/**\n * NetworkInformation\n * This API is not well supported in all major browsers, so TypeScript does not provide types for it.\n *\n * ref: https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation\n */\ninterface NetworkInformation extends EventTarget {\n  readonly type: ConnectionType;\n}\n\ninterface NetworkInformationWithEffectiveType extends NetworkInformation {\n  readonly effectiveType?: 'slow-2g' | '2g' | '3g' | '4g';\n}\n\ninterface NavigatorWithConnection extends Navigator {\n  readonly connection: NetworkInformationWithEffectiveType;\n}\n\nconst RESERVED_ATTRIBUTE_PREFIXES = ['firebase_', 'google_', 'ga_'];\nconst ATTRIBUTE_FORMAT_REGEX = new RegExp('^[a-zA-Z]\\\\w*$');\nconst MAX_ATTRIBUTE_NAME_LENGTH = 40;\nexport const MAX_ATTRIBUTE_VALUE_LENGTH = 100;\n\nexport function getServiceWorkerStatus(): ServiceWorkerStatus {\n  const navigator = Api.getInstance().navigator;\n  if (navigator?.serviceWorker) {\n    if (navigator.serviceWorker.controller) {\n      return ServiceWorkerStatus.CONTROLLED;\n    } else {\n      return ServiceWorkerStatus.UNCONTROLLED;\n    }\n  } else {\n    return ServiceWorkerStatus.UNSUPPORTED;\n  }\n}\n\nexport function getVisibilityState(): VisibilityState {\n  const document = Api.getInstance().document;\n  const visibilityState = document.visibilityState;\n  switch (visibilityState) {\n    case 'visible':\n      return VisibilityState.VISIBLE;\n    case 'hidden':\n      return VisibilityState.HIDDEN;\n    default:\n      return VisibilityState.UNKNOWN;\n  }\n}\n\nexport function getEffectiveConnectionType(): EffectiveConnectionType {\n  const navigator = Api.getInstance().navigator;\n  const navigatorConnection = (navigator as NavigatorWithConnection).connection;\n  const effectiveType =\n    navigatorConnection && navigatorConnection.effectiveType;\n  switch (effectiveType) {\n    case 'slow-2g':\n      return EffectiveConnectionType.CONNECTION_SLOW_2G;\n    case '2g':\n      return EffectiveConnectionType.CONNECTION_2G;\n    case '3g':\n      return EffectiveConnectionType.CONNECTION_3G;\n    case '4g':\n      return EffectiveConnectionType.CONNECTION_4G;\n    default:\n      return EffectiveConnectionType.UNKNOWN;\n  }\n}\n\nexport function isValidCustomAttributeName(name: string): boolean {\n  if (name.length === 0 || name.length > MAX_ATTRIBUTE_NAME_LENGTH) {\n    return false;\n  }\n  const matchesReservedPrefix = RESERVED_ATTRIBUTE_PREFIXES.some(prefix =>\n    name.startsWith(prefix)\n  );\n  return !matchesReservedPrefix && !!name.match(ATTRIBUTE_FORMAT_REGEX);\n}\n\nexport function isValidCustomAttributeValue(value: string): boolean {\n  return value.length !== 0 && value.length <= MAX_ATTRIBUTE_VALUE_LENGTH;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ERROR_FACTORY, ErrorCode } from './errors';\nimport { FirebaseApp } from '@firebase/app';\n\nexport function getAppId(firebaseApp: FirebaseApp): string {\n  const appId = firebaseApp.options?.appId;\n  if (!appId) {\n    throw ERROR_FACTORY.create(ErrorCode.NO_APP_ID);\n  }\n  return appId;\n}\n\nexport function getProjectId(firebaseApp: FirebaseApp): string {\n  const projectId = firebaseApp.options?.projectId;\n  if (!projectId) {\n    throw ERROR_FACTORY.create(ErrorCode.NO_PROJECT_ID);\n  }\n  return projectId;\n}\n\nexport function getApiKey(firebaseApp: FirebaseApp): string {\n  const apiKey = firebaseApp.options?.apiKey;\n  if (!apiKey) {\n    throw ERROR_FACTORY.create(ErrorCode.NO_API_KEY);\n  }\n  return apiKey;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  CONFIG_EXPIRY_LOCAL_STORAGE_KEY,\n  CONFIG_LOCAL_STORAGE_KEY,\n  SDK_VERSION\n} from '../constants';\nimport { consoleLogger } from '../utils/console_logger';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\n\nimport { Api } from './api_service';\nimport { getAuthTokenPromise } from './iid_service';\nimport { SettingsService } from './settings_service';\nimport { PerformanceController } from '../controllers/perf';\nimport { getProjectId, getApiKey, getAppId } from '../utils/app_utils';\n\nconst REMOTE_CONFIG_SDK_VERSION = '0.0.1';\n\ninterface SecondaryConfig {\n  loggingEnabled?: boolean;\n  logSource?: number;\n  logEndPointUrl?: string;\n  transportKey?: string;\n  tracesSamplingRate?: number;\n  networkRequestsSamplingRate?: number;\n  logMaxFlushSize?: number;\n}\n\n// These values will be used if the remote config object is successfully\n// retrieved, but the template does not have these fields.\nconst DEFAULT_CONFIGS: SecondaryConfig = {\n  loggingEnabled: true\n};\n\n/* eslint-disable camelcase */\ninterface RemoteConfigTemplate {\n  fpr_enabled?: string;\n  fpr_log_source?: string;\n  fpr_log_endpoint_url?: string;\n  fpr_log_transport_key?: string;\n  fpr_log_transport_web_percent?: string;\n  fpr_vc_network_request_sampling_rate?: string;\n  fpr_vc_trace_sampling_rate?: string;\n  fpr_vc_session_sampling_rate?: string;\n  fpr_log_max_flush_size?: string;\n}\n/* eslint-enable camelcase */\n\ninterface RemoteConfigResponse {\n  entries?: RemoteConfigTemplate;\n  state?: string;\n}\n\nconst FIS_AUTH_PREFIX = 'FIREBASE_INSTALLATIONS_AUTH';\n\nexport function getConfig(\n  performanceController: PerformanceController,\n  iid: string\n): Promise<void> {\n  const config = getStoredConfig();\n  if (config) {\n    processConfig(config);\n    return Promise.resolve();\n  }\n\n  return getRemoteConfig(performanceController, iid)\n    .then(processConfig)\n    .then(\n      config => storeConfig(config),\n      /** Do nothing for error, use defaults set in settings service. */\n      () => {}\n    );\n}\n\nfunction getStoredConfig(): RemoteConfigResponse | undefined {\n  const localStorage = Api.getInstance().localStorage;\n  if (!localStorage) {\n    return;\n  }\n  const expiryString = localStorage.getItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY);\n  if (!expiryString || !configValid(expiryString)) {\n    return;\n  }\n\n  const configStringified = localStorage.getItem(CONFIG_LOCAL_STORAGE_KEY);\n  if (!configStringified) {\n    return;\n  }\n  try {\n    const configResponse: RemoteConfigResponse = JSON.parse(configStringified);\n    return configResponse;\n  } catch {\n    return;\n  }\n}\n\nfunction storeConfig(config: RemoteConfigResponse | undefined): void {\n  const localStorage = Api.getInstance().localStorage;\n  if (!config || !localStorage) {\n    return;\n  }\n\n  localStorage.setItem(CONFIG_LOCAL_STORAGE_KEY, JSON.stringify(config));\n  localStorage.setItem(\n    CONFIG_EXPIRY_LOCAL_STORAGE_KEY,\n    String(\n      Date.now() +\n        SettingsService.getInstance().configTimeToLive * 60 * 60 * 1000\n    )\n  );\n}\n\nconst COULD_NOT_GET_CONFIG_MSG =\n  'Could not fetch config, will use default configs';\n\nfunction getRemoteConfig(\n  performanceController: PerformanceController,\n  iid: string\n): Promise<RemoteConfigResponse | undefined> {\n  // Perf needs auth token only to retrieve remote config.\n  return getAuthTokenPromise(performanceController.installations)\n    .then(authToken => {\n      const projectId = getProjectId(performanceController.app);\n      const apiKey = getApiKey(performanceController.app);\n      const configEndPoint = `https://firebaseremoteconfig.googleapis.com/v1/projects/${projectId}/namespaces/fireperf:fetch?key=${apiKey}`;\n      const request = new Request(configEndPoint, {\n        method: 'POST',\n        headers: { Authorization: `${FIS_AUTH_PREFIX} ${authToken}` },\n        /* eslint-disable camelcase */\n        body: JSON.stringify({\n          app_instance_id: iid,\n          app_instance_id_token: authToken,\n          app_id: getAppId(performanceController.app),\n          app_version: SDK_VERSION,\n          sdk_version: REMOTE_CONFIG_SDK_VERSION\n        })\n        /* eslint-enable camelcase */\n      });\n      return fetch(request).then(response => {\n        if (response.ok) {\n          return response.json() as RemoteConfigResponse;\n        }\n        // In case response is not ok. This will be caught by catch.\n        throw ERROR_FACTORY.create(ErrorCode.RC_NOT_OK);\n      });\n    })\n    .catch(() => {\n      consoleLogger.info(COULD_NOT_GET_CONFIG_MSG);\n      return undefined;\n    });\n}\n\n/**\n * Processes config coming either from calling RC or from local storage.\n * This method only runs if call is successful or config in storage\n * is valid.\n */\nfunction processConfig(\n  config?: RemoteConfigResponse\n): RemoteConfigResponse | undefined {\n  if (!config) {\n    return config;\n  }\n  const settingsServiceInstance = SettingsService.getInstance();\n  const entries = config.entries || {};\n  if (entries.fpr_enabled !== undefined) {\n    // TODO: Change the assignment of loggingEnabled once the received type is\n    // known.\n    settingsServiceInstance.loggingEnabled =\n      String(entries.fpr_enabled) === 'true';\n  } else if (DEFAULT_CONFIGS.loggingEnabled !== undefined) {\n    // Config retrieved successfully, but there is no fpr_enabled in template.\n    // Use secondary configs value.\n    settingsServiceInstance.loggingEnabled = DEFAULT_CONFIGS.loggingEnabled;\n  }\n  if (entries.fpr_log_source) {\n    settingsServiceInstance.logSource = Number(entries.fpr_log_source);\n  } else if (DEFAULT_CONFIGS.logSource) {\n    settingsServiceInstance.logSource = DEFAULT_CONFIGS.logSource;\n  }\n\n  if (entries.fpr_log_endpoint_url) {\n    settingsServiceInstance.logEndPointUrl = entries.fpr_log_endpoint_url;\n  } else if (DEFAULT_CONFIGS.logEndPointUrl) {\n    settingsServiceInstance.logEndPointUrl = DEFAULT_CONFIGS.logEndPointUrl;\n  }\n\n  // Key from Remote Config has to be non-empty string, otherwise use local value.\n  if (entries.fpr_log_transport_key) {\n    settingsServiceInstance.transportKey = entries.fpr_log_transport_key;\n  } else if (DEFAULT_CONFIGS.transportKey) {\n    settingsServiceInstance.transportKey = DEFAULT_CONFIGS.transportKey;\n  }\n\n  if (entries.fpr_vc_network_request_sampling_rate !== undefined) {\n    settingsServiceInstance.networkRequestsSamplingRate = Number(\n      entries.fpr_vc_network_request_sampling_rate\n    );\n  } else if (DEFAULT_CONFIGS.networkRequestsSamplingRate !== undefined) {\n    settingsServiceInstance.networkRequestsSamplingRate =\n      DEFAULT_CONFIGS.networkRequestsSamplingRate;\n  }\n  if (entries.fpr_vc_trace_sampling_rate !== undefined) {\n    settingsServiceInstance.tracesSamplingRate = Number(\n      entries.fpr_vc_trace_sampling_rate\n    );\n  } else if (DEFAULT_CONFIGS.tracesSamplingRate !== undefined) {\n    settingsServiceInstance.tracesSamplingRate =\n      DEFAULT_CONFIGS.tracesSamplingRate;\n  }\n\n  if (entries.fpr_log_max_flush_size) {\n    settingsServiceInstance.logMaxFlushSize = Number(\n      entries.fpr_log_max_flush_size\n    );\n  } else if (DEFAULT_CONFIGS.logMaxFlushSize) {\n    settingsServiceInstance.logMaxFlushSize = DEFAULT_CONFIGS.logMaxFlushSize;\n  }\n  // Set the per session trace and network logging flags.\n  settingsServiceInstance.logTraceAfterSampling = shouldLogAfterSampling(\n    settingsServiceInstance.tracesSamplingRate\n  );\n  settingsServiceInstance.logNetworkAfterSampling = shouldLogAfterSampling(\n    settingsServiceInstance.networkRequestsSamplingRate\n  );\n  return config;\n}\n\nfunction configValid(expiry: string): boolean {\n  return Number(expiry) > Date.now();\n}\n\nfunction shouldLogAfterSampling(samplingRate: number): boolean {\n  return Math.random() <= samplingRate;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getIidPromise } from './iid_service';\nimport { getConfig } from './remote_config_service';\nimport { Api } from './api_service';\nimport { PerformanceController } from '../controllers/perf';\n\nconst enum InitializationStatus {\n  notInitialized = 1,\n  initializationPending,\n  initialized\n}\n\nlet initializationStatus = InitializationStatus.notInitialized;\n\nlet initializationPromise: Promise<void> | undefined;\n\nexport function getInitializationPromise(\n  performanceController: PerformanceController\n): Promise<void> {\n  initializationStatus = InitializationStatus.initializationPending;\n\n  initializationPromise =\n    initializationPromise || initializePerf(performanceController);\n\n  return initializationPromise;\n}\n\nexport function isPerfInitialized(): boolean {\n  return initializationStatus === InitializationStatus.initialized;\n}\n\nfunction initializePerf(\n  performanceController: PerformanceController\n): Promise<void> {\n  return getDocumentReadyComplete()\n    .then(() => getIidPromise(performanceController.installations))\n    .then(iid => getConfig(performanceController, iid))\n    .then(\n      () => changeInitializationStatus(),\n      () => changeInitializationStatus()\n    );\n}\n\n/**\n * Returns a promise which resolves whenever the document readystate is complete or\n * immediately if it is called after page load complete.\n */\nfunction getDocumentReadyComplete(): Promise<void> {\n  const document = Api.getInstance().document;\n  return new Promise(resolve => {\n    if (document && document.readyState !== 'complete') {\n      const handler = (): void => {\n        if (document.readyState === 'complete') {\n          document.removeEventListener('readystatechange', handler);\n          resolve();\n        }\n      };\n      document.addEventListener('readystatechange', handler);\n    } else {\n      resolve();\n    }\n  });\n}\n\nfunction changeInitializationStatus(): void {\n  initializationStatus = InitializationStatus.initialized;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { SettingsService } from './settings_service';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\nimport { consoleLogger } from '../utils/console_logger';\n\nconst DEFAULT_SEND_INTERVAL_MS = 10 * 1000;\nconst INITIAL_SEND_TIME_DELAY_MS = 5.5 * 1000;\nconst MAX_EVENT_COUNT_PER_REQUEST = 1000;\nconst DEFAULT_REMAINING_TRIES = 3;\n\n// Most browsers have a max payload of 64KB for sendbeacon/keep alive payload.\nconst MAX_SEND_BEACON_PAYLOAD_SIZE = 65536;\n\nconst TEXT_ENCODER = new TextEncoder();\n\nlet remainingTries = DEFAULT_REMAINING_TRIES;\n\ninterface BatchEvent {\n  message: string;\n  eventTime: number;\n}\n\n/* eslint-disable camelcase */\n// CC/Fl accepted log format.\ninterface TransportBatchLogFormat {\n  request_time_ms: string;\n  client_info: ClientInfo;\n  log_source: number;\n  log_event: Log[];\n}\n\ninterface ClientInfo {\n  client_type: number;\n  js_client_info: {};\n}\n\ninterface Log {\n  source_extension_json_proto3: string;\n  event_time_ms: string;\n}\n/* eslint-enable camelcase */\n\nlet queue: BatchEvent[] = [];\n\nlet isTransportSetup: boolean = false;\n\nexport function setupTransportService(): void {\n  if (!isTransportSetup) {\n    processQueue(INITIAL_SEND_TIME_DELAY_MS);\n    isTransportSetup = true;\n  }\n}\n\n/**\n * Utilized by testing to clean up message queue and un-initialize transport service.\n */\nexport function resetTransportService(): void {\n  isTransportSetup = false;\n  queue = [];\n}\n\nfunction processQueue(timeOffset: number): void {\n  setTimeout(() => {\n    // If there is no remainingTries left, stop retrying.\n    if (remainingTries <= 0) {\n      return;\n    }\n\n    if (queue.length > 0) {\n      dispatchQueueEvents();\n    }\n    processQueue(DEFAULT_SEND_INTERVAL_MS);\n  }, timeOffset);\n}\n\nfunction dispatchQueueEvents(): void {\n  // Extract events up to the maximum cap of single logRequest from top of \"official queue\".\n  // The staged events will be used for current logRequest attempt, remaining events will be kept\n  // for next attempt.\n  const staged = queue.splice(0, MAX_EVENT_COUNT_PER_REQUEST);\n\n  const data = buildPayload(staged);\n\n  postToFlEndpoint(data)\n    .then(() => {\n      remainingTries = DEFAULT_REMAINING_TRIES;\n    })\n    .catch(() => {\n      // If the request fails for some reason, add the events that were attempted\n      // back to the primary queue to retry later.\n      queue = [...staged, ...queue];\n      remainingTries--;\n      consoleLogger.info(`Tries left: ${remainingTries}.`);\n      processQueue(DEFAULT_SEND_INTERVAL_MS);\n    });\n}\n\nfunction buildPayload(events: BatchEvent[]): string {\n  /* eslint-disable camelcase */\n  // We will pass the JSON serialized event to the backend.\n  const log_event: Log[] = events.map(evt => ({\n    source_extension_json_proto3: evt.message,\n    event_time_ms: String(evt.eventTime)\n  }));\n\n  const transportBatchLog: TransportBatchLogFormat = {\n    request_time_ms: String(Date.now()),\n    client_info: {\n      client_type: 1, // 1 is JS\n      js_client_info: {}\n    },\n    log_source: SettingsService.getInstance().logSource,\n    log_event\n  };\n  /* eslint-enable camelcase */\n\n  return JSON.stringify(transportBatchLog);\n}\n\n/** Sends to Firelog. Atempts to use sendBeacon otherwsise uses fetch. */\nfunction postToFlEndpoint(body: string): Promise<void | Response> {\n  const flTransportFullUrl =\n    SettingsService.getInstance().getFlTransportFullUrl();\n  const size = TEXT_ENCODER.encode(body).length;\n\n  if (\n    size <= MAX_SEND_BEACON_PAYLOAD_SIZE &&\n    navigator.sendBeacon &&\n    navigator.sendBeacon(flTransportFullUrl, body)\n  ) {\n    return Promise.resolve();\n  } else {\n    return fetch(flTransportFullUrl, {\n      method: 'POST',\n      body\n    });\n  }\n}\n\nfunction addToQueue(evt: BatchEvent): void {\n  if (!evt.eventTime || !evt.message) {\n    throw ERROR_FACTORY.create(ErrorCode.INVALID_CC_LOG);\n  }\n  // Add the new event to the queue.\n  queue = [...queue, evt];\n}\n\n/** Log handler for cc service to send the performance logs to the server. */\nexport function transportHandler(\n  // eslint-disable-next-line @typescript-eslint/no-explicit-any\n  serializer: (...args: any[]) => string\n): (...args: unknown[]) => void {\n  return (...args) => {\n    const message = serializer(...args);\n    addToQueue({\n      message,\n      eventTime: Date.now()\n    });\n  };\n}\n\n/**\n * Force flush the queued events. Useful at page unload time to ensure all events are uploaded.\n * Flush will attempt to use sendBeacon to send events async and defaults back to fetch as soon as a\n * sendBeacon fails. Firefox\n */\nexport function flushQueuedEvents(): void {\n  const flTransportFullUrl =\n    SettingsService.getInstance().getFlTransportFullUrl();\n\n  while (queue.length > 0) {\n    // Send the last events first to prioritize page load traces\n    const staged = queue.splice(-SettingsService.getInstance().logMaxFlushSize);\n    const body = buildPayload(staged);\n\n    if (\n      navigator.sendBeacon &&\n      navigator.sendBeacon(flTransportFullUrl, body)\n    ) {\n      continue;\n    } else {\n      queue = [...queue, ...staged];\n      break;\n    }\n  }\n  if (queue.length > 0) {\n    const body = buildPayload(queue);\n    fetch(flTransportFullUrl, {\n      method: 'POST',\n      body\n    }).catch(() => {\n      consoleLogger.info(`Failed flushing queued events.`);\n    });\n  }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getIid } from './iid_service';\nimport { NetworkRequest } from '../resources/network_request';\nimport { Trace } from '../resources/trace';\nimport { Api } from './api_service';\nimport { SettingsService } from './settings_service';\nimport {\n  getServiceWorkerStatus,\n  getVisibilityState,\n  getEffectiveConnectionType\n} from '../utils/attributes_utils';\nimport {\n  isPerfInitialized,\n  getInitializationPromise\n} from './initialization_service';\nimport { transportHandler, flushQueuedEvents } from './transport_service';\nimport { SDK_VERSION } from '../constants';\nimport { FirebaseApp } from '@firebase/app';\nimport { getAppId } from '../utils/app_utils';\n\nconst enum ResourceType {\n  NetworkRequest,\n  Trace\n}\n\n/* eslint-disable camelcase */\ninterface ApplicationInfo {\n  google_app_id: string;\n  app_instance_id?: string;\n  web_app_info: WebAppInfo;\n  application_process_state: number;\n}\n\ninterface WebAppInfo {\n  sdk_version: string;\n  page_url: string;\n  service_worker_status: number;\n  visibility_state: number;\n  effective_connection_type: number;\n}\n\ninterface PerfNetworkLog {\n  application_info: ApplicationInfo;\n  network_request_metric: NetworkRequestMetric;\n}\n\ninterface PerfTraceLog {\n  application_info: ApplicationInfo;\n  trace_metric: TraceMetric;\n}\n\ninterface NetworkRequestMetric {\n  url: string;\n  http_method: number;\n  http_response_code: number;\n  response_payload_bytes?: number;\n  client_start_time_us?: number;\n  time_to_response_initiated_us?: number;\n  time_to_response_completed_us?: number;\n}\n\ninterface TraceMetric {\n  name: string;\n  is_auto: boolean;\n  client_start_time_us: number;\n  duration_us: number;\n  counters?: { [key: string]: number };\n  custom_attributes?: { [key: string]: string };\n}\n\ninterface Logger {\n  send: (\n    resource: NetworkRequest | Trace,\n    resourceType: ResourceType\n  ) => void | undefined;\n  flush: () => void;\n}\n\nlet logger: Logger;\n//\n// This method is not called before initialization.\nfunction sendLog(\n  resource: NetworkRequest | Trace,\n  resourceType: ResourceType\n): void {\n  if (!logger) {\n    logger = {\n      send: transportHandler(serializer),\n      flush: flushQueuedEvents\n    };\n  }\n  logger.send(resource, resourceType);\n}\n\nexport function logTrace(trace: Trace): void {\n  const settingsService = SettingsService.getInstance();\n  // Do not log if trace is auto generated and instrumentation is disabled.\n  if (!settingsService.instrumentationEnabled && trace.isAuto) {\n    return;\n  }\n  // Do not log if trace is custom and data collection is disabled.\n  if (!settingsService.dataCollectionEnabled && !trace.isAuto) {\n    return;\n  }\n  // Do not log if required apis are not available.\n  if (!Api.getInstance().requiredApisAvailable()) {\n    return;\n  }\n\n  if (isPerfInitialized()) {\n    sendTraceLog(trace);\n  } else {\n    // Custom traces can be used before the initialization but logging\n    // should wait until after.\n    getInitializationPromise(trace.performanceController).then(\n      () => sendTraceLog(trace),\n      () => sendTraceLog(trace)\n    );\n  }\n}\n\nexport function flushLogs(): void {\n  if (logger) {\n    logger.flush();\n  }\n}\n\nfunction sendTraceLog(trace: Trace): void {\n  if (!getIid()) {\n    return;\n  }\n\n  const settingsService = SettingsService.getInstance();\n  if (\n    !settingsService.loggingEnabled ||\n    !settingsService.logTraceAfterSampling\n  ) {\n    return;\n  }\n\n  sendLog(trace, ResourceType.Trace);\n}\n\nexport function logNetworkRequest(networkRequest: NetworkRequest): void {\n  const settingsService = SettingsService.getInstance();\n  // Do not log network requests if instrumentation is disabled.\n  if (!settingsService.instrumentationEnabled) {\n    return;\n  }\n\n  // Do not log the js sdk's call to transport service domain to avoid unnecessary cycle.\n  // Need to blacklist both old and new endpoints to avoid migration gap.\n  const networkRequestUrl = networkRequest.url;\n\n  // Blacklist old log endpoint and new transport endpoint.\n  // Because Performance SDK doesn't instrument requests sent from SDK itself.\n  const logEndpointUrl = settingsService.logEndPointUrl.split('?')[0];\n  const flEndpointUrl = settingsService.flTransportEndpointUrl.split('?')[0];\n  if (\n    networkRequestUrl === logEndpointUrl ||\n    networkRequestUrl === flEndpointUrl\n  ) {\n    return;\n  }\n\n  if (\n    !settingsService.loggingEnabled ||\n    !settingsService.logNetworkAfterSampling\n  ) {\n    return;\n  }\n\n  sendLog(networkRequest, ResourceType.NetworkRequest);\n}\n\nfunction serializer(\n  resource: NetworkRequest | Trace,\n  resourceType: ResourceType\n): string {\n  if (resourceType === ResourceType.NetworkRequest) {\n    return serializeNetworkRequest(resource as NetworkRequest);\n  }\n  return serializeTrace(resource as Trace);\n}\n\nfunction serializeNetworkRequest(networkRequest: NetworkRequest): string {\n  const networkRequestMetric: NetworkRequestMetric = {\n    url: networkRequest.url,\n    http_method: networkRequest.httpMethod || 0,\n    http_response_code: 200,\n    response_payload_bytes: networkRequest.responsePayloadBytes,\n    client_start_time_us: networkRequest.startTimeUs,\n    time_to_response_initiated_us: networkRequest.timeToResponseInitiatedUs,\n    time_to_response_completed_us: networkRequest.timeToResponseCompletedUs\n  };\n  const perfMetric: PerfNetworkLog = {\n    application_info: getApplicationInfo(\n      networkRequest.performanceController.app\n    ),\n    network_request_metric: networkRequestMetric\n  };\n  return JSON.stringify(perfMetric);\n}\n\nfunction serializeTrace(trace: Trace): string {\n  const traceMetric: TraceMetric = {\n    name: trace.name,\n    is_auto: trace.isAuto,\n    client_start_time_us: trace.startTimeUs,\n    duration_us: trace.durationUs\n  };\n\n  if (Object.keys(trace.counters).length !== 0) {\n    traceMetric.counters = trace.counters;\n  }\n  const customAttributes = trace.getAttributes();\n  if (Object.keys(customAttributes).length !== 0) {\n    traceMetric.custom_attributes = customAttributes;\n  }\n\n  const perfMetric: PerfTraceLog = {\n    application_info: getApplicationInfo(trace.performanceController.app),\n    trace_metric: traceMetric\n  };\n  return JSON.stringify(perfMetric);\n}\n\nfunction getApplicationInfo(firebaseApp: FirebaseApp): ApplicationInfo {\n  return {\n    google_app_id: getAppId(firebaseApp),\n    app_instance_id: getIid(),\n    web_app_info: {\n      sdk_version: SDK_VERSION,\n      page_url: Api.getInstance().getUrl(),\n      service_worker_status: getServiceWorkerStatus(),\n      visibility_state: getVisibilityState(),\n      effective_connection_type: getEffectiveConnectionType()\n    },\n    application_process_state: 0\n  };\n}\n\n/* eslint-enable camelcase */\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Api } from '../services/api_service';\nimport { logNetworkRequest } from '../services/perf_logger';\nimport { PerformanceController } from '../controllers/perf';\n\n// The order of values of this enum should not be changed.\nexport const enum HttpMethod {\n  HTTP_METHOD_UNKNOWN = 0,\n  GET = 1,\n  PUT = 2,\n  POST = 3,\n  DELETE = 4,\n  HEAD = 5,\n  PATCH = 6,\n  OPTIONS = 7,\n  TRACE = 8,\n  CONNECT = 9\n}\n\n// Durations are in microseconds.\nexport interface NetworkRequest {\n  performanceController: PerformanceController;\n  url: string;\n  httpMethod?: HttpMethod;\n  requestPayloadBytes?: number;\n  responsePayloadBytes?: number;\n  httpResponseCode?: number;\n  responseContentType?: string;\n  startTimeUs?: number;\n  timeToRequestCompletedUs?: number;\n  timeToResponseInitiatedUs?: number;\n  timeToResponseCompletedUs?: number;\n}\n\nexport function createNetworkRequestEntry(\n  performanceController: PerformanceController,\n  entry: PerformanceEntry\n): void {\n  const performanceEntry = entry as PerformanceResourceTiming;\n  if (!performanceEntry || performanceEntry.responseStart === undefined) {\n    return;\n  }\n  const timeOrigin = Api.getInstance().getTimeOrigin();\n  const startTimeUs = Math.floor(\n    (performanceEntry.startTime + timeOrigin) * 1000\n  );\n  const timeToResponseInitiatedUs = performanceEntry.responseStart\n    ? Math.floor(\n        (performanceEntry.responseStart - performanceEntry.startTime) * 1000\n      )\n    : undefined;\n  const timeToResponseCompletedUs = Math.floor(\n    (performanceEntry.responseEnd - performanceEntry.startTime) * 1000\n  );\n  // Remove the query params from logged network request url.\n  const url = performanceEntry.name && performanceEntry.name.split('?')[0];\n  const networkRequest: NetworkRequest = {\n    performanceController,\n    url,\n    responsePayloadBytes: performanceEntry.transferSize,\n    startTimeUs,\n    timeToResponseInitiatedUs,\n    timeToResponseCompletedUs\n  };\n\n  logNetworkRequest(networkRequest);\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  FIRST_PAINT_COUNTER_NAME,\n  FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n  FIRST_INPUT_DELAY_COUNTER_NAME,\n  OOB_TRACE_PAGE_LOAD_PREFIX,\n  CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,\n  INTERACTION_TO_NEXT_PAINT_METRIC_NAME,\n  LARGEST_CONTENTFUL_PAINT_METRIC_NAME\n} from '../constants';\nimport { consoleLogger } from '../utils/console_logger';\n\nconst MAX_METRIC_NAME_LENGTH = 100;\nconst RESERVED_AUTO_PREFIX = '_';\nconst oobMetrics = [\n  FIRST_PAINT_COUNTER_NAME,\n  FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n  FIRST_INPUT_DELAY_COUNTER_NAME,\n  LARGEST_CONTENTFUL_PAINT_METRIC_NAME,\n  CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,\n  INTERACTION_TO_NEXT_PAINT_METRIC_NAME\n];\n\n/**\n * Returns true if the metric is custom and does not start with reserved prefix, or if\n * the metric is one of out of the box page load trace metrics.\n */\nexport function isValidMetricName(name: string, traceName?: string): boolean {\n  if (name.length === 0 || name.length > MAX_METRIC_NAME_LENGTH) {\n    return false;\n  }\n  return (\n    (traceName &&\n      traceName.startsWith(OOB_TRACE_PAGE_LOAD_PREFIX) &&\n      oobMetrics.indexOf(name) > -1) ||\n    !name.startsWith(RESERVED_AUTO_PREFIX)\n  );\n}\n\n/**\n * Converts the provided value to an integer value to be used in case of a metric.\n * @param providedValue Provided number value of the metric that needs to be converted to an integer.\n *\n * @returns Converted integer number to be set for the metric.\n */\nexport function convertMetricValueToInteger(providedValue: number): number {\n  const valueAsInteger: number = Math.floor(providedValue);\n  if (valueAsInteger < providedValue) {\n    consoleLogger.info(\n      `Metric value should be an Integer, setting the value as : ${valueAsInteger}.`\n    );\n  }\n  return valueAsInteger;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  TRACE_START_MARK_PREFIX,\n  TRACE_STOP_MARK_PREFIX,\n  TRACE_MEASURE_PREFIX,\n  OOB_TRACE_PAGE_LOAD_PREFIX,\n  FIRST_PAINT_COUNTER_NAME,\n  FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n  FIRST_INPUT_DELAY_COUNTER_NAME,\n  LARGEST_CONTENTFUL_PAINT_METRIC_NAME,\n  LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME,\n  INTERACTION_TO_NEXT_PAINT_METRIC_NAME,\n  INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME,\n  CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,\n  CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME\n} from '../constants';\nimport { Api } from '../services/api_service';\nimport { logTrace, flushLogs } from '../services/perf_logger';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\nimport {\n  MAX_ATTRIBUTE_VALUE_LENGTH,\n  isValidCustomAttributeName,\n  isValidCustomAttributeValue\n} from '../utils/attributes_utils';\nimport {\n  isValidMetricName,\n  convertMetricValueToInteger\n} from '../utils/metric_utils';\nimport { PerformanceTrace } from '../public_types';\nimport { PerformanceController } from '../controllers/perf';\nimport { CoreVitalMetric, WebVitalMetrics } from './web_vitals';\n\nconst enum TraceState {\n  UNINITIALIZED = 1,\n  RUNNING,\n  TERMINATED\n}\n\nexport class Trace implements PerformanceTrace {\n  private state: TraceState = TraceState.UNINITIALIZED;\n  startTimeUs!: number;\n  durationUs!: number;\n  private customAttributes: { [key: string]: string } = {};\n  counters: { [counterName: string]: number } = {};\n  private api = Api.getInstance();\n  private randomId = Math.floor(Math.random() * 1000000);\n  private traceStartMark!: string;\n  private traceStopMark!: string;\n  private traceMeasure!: string;\n\n  /**\n   * @param performanceController The performance controller running.\n   * @param name The name of the trace.\n   * @param isAuto If the trace is auto-instrumented.\n   * @param traceMeasureName The name of the measure marker in user timing specification. This field\n   * is only set when the trace is built for logging when the user directly uses the user timing\n   * api (performance.mark and performance.measure).\n   */\n  constructor(\n    readonly performanceController: PerformanceController,\n    readonly name: string,\n    readonly isAuto = false,\n    traceMeasureName?: string\n  ) {\n    if (!this.isAuto) {\n      this.traceStartMark = `${TRACE_START_MARK_PREFIX}-${this.randomId}-${this.name}`;\n      this.traceStopMark = `${TRACE_STOP_MARK_PREFIX}-${this.randomId}-${this.name}`;\n      this.traceMeasure =\n        traceMeasureName ||\n        `${TRACE_MEASURE_PREFIX}-${this.randomId}-${this.name}`;\n\n      if (traceMeasureName) {\n        // For the case of direct user timing traces, no start stop will happen. The measure object\n        // is already available.\n        this.calculateTraceMetrics();\n      }\n    }\n  }\n\n  /**\n   * Starts a trace. The measurement of the duration starts at this point.\n   */\n  start(): void {\n    if (this.state !== TraceState.UNINITIALIZED) {\n      throw ERROR_FACTORY.create(ErrorCode.TRACE_STARTED_BEFORE, {\n        traceName: this.name\n      });\n    }\n    this.api.mark(this.traceStartMark);\n    this.state = TraceState.RUNNING;\n  }\n\n  /**\n   * Stops the trace. The measurement of the duration of the trace stops at this point and trace\n   * is logged.\n   */\n  stop(): void {\n    if (this.state !== TraceState.RUNNING) {\n      throw ERROR_FACTORY.create(ErrorCode.TRACE_STOPPED_BEFORE, {\n        traceName: this.name\n      });\n    }\n    this.state = TraceState.TERMINATED;\n    this.api.mark(this.traceStopMark);\n    this.api.measure(\n      this.traceMeasure,\n      this.traceStartMark,\n      this.traceStopMark\n    );\n    this.calculateTraceMetrics();\n    logTrace(this);\n  }\n\n  /**\n   * Records a trace with predetermined values. If this method is used a trace is created and logged\n   * directly. No need to use start and stop methods.\n   * @param startTime Trace start time since epoch in millisec\n   * @param duration The duration of the trace in millisec\n   * @param options An object which can optionally hold maps of custom metrics and custom attributes\n   */\n  record(\n    startTime: number,\n    duration: number,\n    options?: {\n      metrics?: { [key: string]: number };\n      attributes?: { [key: string]: string };\n    }\n  ): void {\n    if (startTime <= 0) {\n      throw ERROR_FACTORY.create(ErrorCode.NONPOSITIVE_TRACE_START_TIME, {\n        traceName: this.name\n      });\n    }\n    if (duration <= 0) {\n      throw ERROR_FACTORY.create(ErrorCode.NONPOSITIVE_TRACE_DURATION, {\n        traceName: this.name\n      });\n    }\n\n    this.durationUs = Math.floor(duration * 1000);\n    this.startTimeUs = Math.floor(startTime * 1000);\n    if (options && options.attributes) {\n      this.customAttributes = { ...options.attributes };\n    }\n    if (options && options.metrics) {\n      for (const metricName of Object.keys(options.metrics)) {\n        if (!isNaN(Number(options.metrics[metricName]))) {\n          this.counters[metricName] = Math.floor(\n            Number(options.metrics[metricName])\n          );\n        }\n      }\n    }\n    logTrace(this);\n  }\n\n  /**\n   * Increments a custom metric by a certain number or 1 if number not specified. Will create a new\n   * custom metric if one with the given name does not exist. The value will be floored down to an\n   * integer.\n   * @param counter Name of the custom metric\n   * @param numAsInteger Increment by value\n   */\n  incrementMetric(counter: string, numAsInteger = 1): void {\n    if (this.counters[counter] === undefined) {\n      this.putMetric(counter, numAsInteger);\n    } else {\n      this.putMetric(counter, this.counters[counter] + numAsInteger);\n    }\n  }\n\n  /**\n   * Sets a custom metric to a specified value. Will create a new custom metric if one with the\n   * given name does not exist. The value will be floored down to an integer.\n   * @param counter Name of the custom metric\n   * @param numAsInteger Set custom metric to this value\n   */\n  putMetric(counter: string, numAsInteger: number): void {\n    if (isValidMetricName(counter, this.name)) {\n      this.counters[counter] = convertMetricValueToInteger(numAsInteger ?? 0);\n    } else {\n      throw ERROR_FACTORY.create(ErrorCode.INVALID_CUSTOM_METRIC_NAME, {\n        customMetricName: counter\n      });\n    }\n  }\n\n  /**\n   * Returns the value of the custom metric by that name. If a custom metric with that name does\n   * not exist will return zero.\n   * @param counter\n   */\n  getMetric(counter: string): number {\n    return this.counters[counter] || 0;\n  }\n\n  /**\n   * Sets a custom attribute of a trace to a certain value.\n   * @param attr\n   * @param value\n   */\n  putAttribute(attr: string, value: string): void {\n    const isValidName = isValidCustomAttributeName(attr);\n    const isValidValue = isValidCustomAttributeValue(value);\n    if (isValidName && isValidValue) {\n      this.customAttributes[attr] = value;\n      return;\n    }\n    // Throw appropriate error when the attribute name or value is invalid.\n    if (!isValidName) {\n      throw ERROR_FACTORY.create(ErrorCode.INVALID_ATTRIBUTE_NAME, {\n        attributeName: attr\n      });\n    }\n    if (!isValidValue) {\n      throw ERROR_FACTORY.create(ErrorCode.INVALID_ATTRIBUTE_VALUE, {\n        attributeValue: value\n      });\n    }\n  }\n\n  /**\n   * Retrieves the value a custom attribute of a trace is set to.\n   * @param attr\n   */\n  getAttribute(attr: string): string | undefined {\n    return this.customAttributes[attr];\n  }\n\n  removeAttribute(attr: string): void {\n    if (this.customAttributes[attr] === undefined) {\n      return;\n    }\n    delete this.customAttributes[attr];\n  }\n\n  getAttributes(): { [key: string]: string } {\n    return { ...this.customAttributes };\n  }\n\n  private setStartTime(startTime: number): void {\n    this.startTimeUs = startTime;\n  }\n\n  private setDuration(duration: number): void {\n    this.durationUs = duration;\n  }\n\n  /**\n   * Calculates and assigns the duration and start time of the trace using the measure performance\n   * entry.\n   */\n  private calculateTraceMetrics(): void {\n    const perfMeasureEntries = this.api.getEntriesByName(this.traceMeasure);\n    const perfMeasureEntry = perfMeasureEntries && perfMeasureEntries[0];\n    if (perfMeasureEntry) {\n      this.durationUs = Math.floor(perfMeasureEntry.duration * 1000);\n      this.startTimeUs = Math.floor(\n        (perfMeasureEntry.startTime + this.api.getTimeOrigin()) * 1000\n      );\n    }\n  }\n\n  /**\n   * @param navigationTimings A single element array which contains the navigationTIming object of\n   * the page load\n   * @param paintTimings A array which contains paintTiming object of the page load\n   * @param firstInputDelay First input delay in millisec\n   */\n  static createOobTrace(\n    performanceController: PerformanceController,\n    navigationTimings: PerformanceNavigationTiming[],\n    paintTimings: PerformanceEntry[],\n    webVitalMetrics: WebVitalMetrics,\n    firstInputDelay?: number\n  ): void {\n    const route = Api.getInstance().getUrl();\n    if (!route) {\n      return;\n    }\n    const trace = new Trace(\n      performanceController,\n      OOB_TRACE_PAGE_LOAD_PREFIX + route,\n      true\n    );\n    const timeOriginUs = Math.floor(Api.getInstance().getTimeOrigin() * 1000);\n    trace.setStartTime(timeOriginUs);\n\n    // navigationTimings includes only one element.\n    if (navigationTimings && navigationTimings[0]) {\n      trace.setDuration(Math.floor(navigationTimings[0].duration * 1000));\n      trace.putMetric(\n        'domInteractive',\n        Math.floor(navigationTimings[0].domInteractive * 1000)\n      );\n      trace.putMetric(\n        'domContentLoadedEventEnd',\n        Math.floor(navigationTimings[0].domContentLoadedEventEnd * 1000)\n      );\n      trace.putMetric(\n        'loadEventEnd',\n        Math.floor(navigationTimings[0].loadEventEnd * 1000)\n      );\n    }\n\n    const FIRST_PAINT = 'first-paint';\n    const FIRST_CONTENTFUL_PAINT = 'first-contentful-paint';\n    if (paintTimings) {\n      const firstPaint = paintTimings.find(\n        paintObject => paintObject.name === FIRST_PAINT\n      );\n      if (firstPaint && firstPaint.startTime) {\n        trace.putMetric(\n          FIRST_PAINT_COUNTER_NAME,\n          Math.floor(firstPaint.startTime * 1000)\n        );\n      }\n      const firstContentfulPaint = paintTimings.find(\n        paintObject => paintObject.name === FIRST_CONTENTFUL_PAINT\n      );\n      if (firstContentfulPaint && firstContentfulPaint.startTime) {\n        trace.putMetric(\n          FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n          Math.floor(firstContentfulPaint.startTime * 1000)\n        );\n      }\n\n      if (firstInputDelay) {\n        trace.putMetric(\n          FIRST_INPUT_DELAY_COUNTER_NAME,\n          Math.floor(firstInputDelay * 1000)\n        );\n      }\n    }\n\n    this.addWebVitalMetric(\n      trace,\n      LARGEST_CONTENTFUL_PAINT_METRIC_NAME,\n      LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME,\n      webVitalMetrics.lcp\n    );\n    this.addWebVitalMetric(\n      trace,\n      CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,\n      CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME,\n      webVitalMetrics.cls\n    );\n    this.addWebVitalMetric(\n      trace,\n      INTERACTION_TO_NEXT_PAINT_METRIC_NAME,\n      INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME,\n      webVitalMetrics.inp\n    );\n\n    // Page load logs are sent at unload time and so should be logged and\n    // flushed immediately.\n    logTrace(trace);\n    flushLogs();\n  }\n\n  static addWebVitalMetric(\n    trace: Trace,\n    metricKey: string,\n    attributeKey: string,\n    metric?: CoreVitalMetric\n  ): void {\n    if (metric) {\n      trace.putMetric(metricKey, Math.floor(metric.value * 1000));\n      if (metric.elementAttribution) {\n        if (metric.elementAttribution.length > MAX_ATTRIBUTE_VALUE_LENGTH) {\n          trace.putAttribute(\n            attributeKey,\n            metric.elementAttribution.substring(0, MAX_ATTRIBUTE_VALUE_LENGTH)\n          );\n        } else {\n          trace.putAttribute(attributeKey, metric.elementAttribution);\n        }\n      }\n    }\n  }\n\n  static createUserTimingTrace(\n    performanceController: PerformanceController,\n    measureName: string\n  ): void {\n    const trace = new Trace(\n      performanceController,\n      measureName,\n      false,\n      measureName\n    );\n    logTrace(trace);\n  }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  CLSMetricWithAttribution,\n  INPMetricWithAttribution,\n  LCPMetricWithAttribution\n} from 'web-vitals/attribution';\n\nimport { TRACE_MEASURE_PREFIX } from '../constants';\nimport { PerformanceController } from '../controllers/perf';\nimport { createNetworkRequestEntry } from '../resources/network_request';\nimport { Trace } from '../resources/trace';\nimport { WebVitalMetrics } from '../resources/web_vitals';\n\nimport { Api } from './api_service';\nimport { getIid } from './iid_service';\n\nlet webVitalMetrics: WebVitalMetrics = {};\nlet sentPageLoadTrace: boolean = false;\nlet firstInputDelay: number | undefined;\n\nexport function setupOobResources(\n  performanceController: PerformanceController\n): void {\n  // Do not initialize unless iid is available.\n  if (!getIid()) {\n    return;\n  }\n  // The load event might not have fired yet, and that means performance\n  // navigation timing object has a duration of 0. The setup should run after\n  // all current tasks in js queue.\n  setTimeout(() => setupOobTraces(performanceController), 0);\n  setTimeout(() => setupNetworkRequests(performanceController), 0);\n  setTimeout(() => setupUserTimingTraces(performanceController), 0);\n}\n\nfunction setupNetworkRequests(\n  performanceController: PerformanceController\n): void {\n  const api = Api.getInstance();\n  const resources = api.getEntriesByType('resource');\n  for (const resource of resources) {\n    createNetworkRequestEntry(performanceController, resource);\n  }\n  api.setupObserver('resource', entry =>\n    createNetworkRequestEntry(performanceController, entry)\n  );\n}\n\nfunction setupOobTraces(performanceController: PerformanceController): void {\n  const api = Api.getInstance();\n  // Better support for Safari\n  if ('onpagehide' in window) {\n    api.document.addEventListener('pagehide', () =>\n      sendOobTrace(performanceController)\n    );\n  } else {\n    api.document.addEventListener('unload', () =>\n      sendOobTrace(performanceController)\n    );\n  }\n  api.document.addEventListener('visibilitychange', () => {\n    if (api.document.visibilityState === 'hidden') {\n      sendOobTrace(performanceController);\n    }\n  });\n\n  if (api.onFirstInputDelay) {\n    api.onFirstInputDelay((fid: number) => {\n      firstInputDelay = fid;\n    });\n  }\n\n  api.onLCP((metric: LCPMetricWithAttribution) => {\n    webVitalMetrics.lcp = {\n      value: metric.value,\n      elementAttribution: metric.attribution?.element\n    };\n  });\n  api.onCLS((metric: CLSMetricWithAttribution) => {\n    webVitalMetrics.cls = {\n      value: metric.value,\n      elementAttribution: metric.attribution?.largestShiftTarget\n    };\n  });\n  api.onINP((metric: INPMetricWithAttribution) => {\n    webVitalMetrics.inp = {\n      value: metric.value,\n      elementAttribution: metric.attribution?.interactionTarget\n    };\n  });\n}\n\nfunction setupUserTimingTraces(\n  performanceController: PerformanceController\n): void {\n  const api = Api.getInstance();\n  // Run through the measure performance entries collected up to this point.\n  const measures = api.getEntriesByType('measure');\n  for (const measure of measures) {\n    createUserTimingTrace(performanceController, measure);\n  }\n  // Setup an observer to capture the measures from this point on.\n  api.setupObserver('measure', entry =>\n    createUserTimingTrace(performanceController, entry)\n  );\n}\n\nfunction createUserTimingTrace(\n  performanceController: PerformanceController,\n  measure: PerformanceEntry\n): void {\n  const measureName = measure.name;\n  // Do not create a trace, if the user timing marks and measures are created by\n  // the sdk itself.\n  if (\n    measureName.substring(0, TRACE_MEASURE_PREFIX.length) ===\n    TRACE_MEASURE_PREFIX\n  ) {\n    return;\n  }\n  Trace.createUserTimingTrace(performanceController, measureName);\n}\n\nfunction sendOobTrace(performanceController: PerformanceController): void {\n  if (!sentPageLoadTrace) {\n    sentPageLoadTrace = true;\n    const api = Api.getInstance();\n    const navigationTimings = api.getEntriesByType(\n      'navigation'\n    ) as PerformanceNavigationTiming[];\n    const paintTimings = api.getEntriesByType('paint');\n\n    // On page unload web vitals may be updated so queue the oob trace creation\n    // so that these updates have time to be included.\n    setTimeout(() => {\n      Trace.createOobTrace(\n        performanceController,\n        navigationTimings,\n        paintTimings,\n        webVitalMetrics,\n        firstInputDelay\n      );\n    }, 0);\n  }\n}\n\n/**\n * This service will only export the page load trace once. This function allows\n * resetting it for unit tests\n */\nexport function resetForUnitTests(): void {\n  sentPageLoadTrace = false;\n  firstInputDelay = undefined;\n  webVitalMetrics = {};\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { setupOobResources } from '../services/oob_resources_service';\nimport { SettingsService } from '../services/settings_service';\nimport { getInitializationPromise } from '../services/initialization_service';\nimport { Api } from '../services/api_service';\nimport { FirebaseApp } from '@firebase/app';\nimport { _FirebaseInstallationsInternal } from '@firebase/installations';\nimport { PerformanceSettings, FirebasePerformance } from '../public_types';\nimport { validateIndexedDBOpenable } from '@firebase/util';\nimport { setupTransportService } from '../services/transport_service';\nimport { consoleLogger } from '../utils/console_logger';\n\nexport class PerformanceController implements FirebasePerformance {\n  private initialized: boolean = false;\n\n  constructor(\n    readonly app: FirebaseApp,\n    readonly installations: _FirebaseInstallationsInternal\n  ) {}\n\n  /**\n   * This method *must* be called internally as part of creating a\n   * PerformanceController instance.\n   *\n   * Currently it's not possible to pass the settings object through the\n   * constructor using Components, so this method exists to be called with the\n   * desired settings, to ensure nothing is collected without the user's\n   * consent.\n   */\n  _init(settings?: PerformanceSettings): void {\n    if (this.initialized) {\n      return;\n    }\n\n    if (settings?.dataCollectionEnabled !== undefined) {\n      this.dataCollectionEnabled = settings.dataCollectionEnabled;\n    }\n    if (settings?.instrumentationEnabled !== undefined) {\n      this.instrumentationEnabled = settings.instrumentationEnabled;\n    }\n\n    if (Api.getInstance().requiredApisAvailable()) {\n      validateIndexedDBOpenable()\n        .then(isAvailable => {\n          if (isAvailable) {\n            setupTransportService();\n            getInitializationPromise(this).then(\n              () => setupOobResources(this),\n              () => setupOobResources(this)\n            );\n            this.initialized = true;\n          }\n        })\n        .catch(error => {\n          consoleLogger.info(`Environment doesn't support IndexedDB: ${error}`);\n        });\n    } else {\n      consoleLogger.info(\n        'Firebase Performance cannot start if the browser does not support ' +\n          '\"Fetch\" and \"Promise\", or cookies are disabled.'\n      );\n    }\n  }\n\n  set instrumentationEnabled(val: boolean) {\n    SettingsService.getInstance().instrumentationEnabled = val;\n  }\n  get instrumentationEnabled(): boolean {\n    return SettingsService.getInstance().instrumentationEnabled;\n  }\n\n  set dataCollectionEnabled(val: boolean) {\n    SettingsService.getInstance().dataCollectionEnabled = val;\n  }\n  get dataCollectionEnabled(): boolean {\n    return SettingsService.getInstance().dataCollectionEnabled;\n  }\n}\n","/**\n * The Firebase Performance Monitoring Web SDK.\n * This SDK does not work in a Node.js environment.\n *\n * @packageDocumentation\n */\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  FirebasePerformance,\n  PerformanceSettings,\n  PerformanceTrace\n} from './public_types';\nimport { ERROR_FACTORY, ErrorCode } from './utils/errors';\nimport { setupApi } from './services/api_service';\nimport { PerformanceController } from './controllers/perf';\nimport {\n  _registerComponent,\n  _getProvider,\n  registerVersion,\n  FirebaseApp,\n  getApp\n} from '@firebase/app';\nimport {\n  InstanceFactory,\n  ComponentContainer,\n  Component,\n  ComponentType\n} from '@firebase/component';\nimport { name, version } from '../package.json';\nimport { Trace } from './resources/trace';\nimport '@firebase/installations';\nimport { deepEqual, getModularInstance } from '@firebase/util';\n\nconst DEFAULT_ENTRY_NAME = '[DEFAULT]';\n\n/**\n * Returns a {@link FirebasePerformance} instance for the given app.\n * @param app - The {@link @firebase/app#FirebaseApp} to use.\n * @public\n */\nexport function getPerformance(\n  app: FirebaseApp = getApp()\n): FirebasePerformance {\n  app = getModularInstance(app);\n  const provider = _getProvider(app, 'performance');\n  const perfInstance = provider.getImmediate() as PerformanceController;\n  return perfInstance;\n}\n\n/**\n * Returns a {@link FirebasePerformance} instance for the given app. Can only be called once.\n * @param app - The {@link @firebase/app#FirebaseApp} to use.\n * @param settings - Optional settings for the {@link FirebasePerformance} instance.\n * @public\n */\nexport function initializePerformance(\n  app: FirebaseApp,\n  settings?: PerformanceSettings\n): FirebasePerformance {\n  app = getModularInstance(app);\n  const provider = _getProvider(app, 'performance');\n\n  // throw if an instance was already created.\n  // It could happen if initializePerformance() is called more than once, or getPerformance() is called first.\n  if (provider.isInitialized()) {\n    const existingInstance = provider.getImmediate();\n    const initialSettings = provider.getOptions() as PerformanceSettings;\n    if (deepEqual(initialSettings, settings ?? {})) {\n      return existingInstance;\n    } else {\n      throw ERROR_FACTORY.create(ErrorCode.ALREADY_INITIALIZED);\n    }\n  }\n\n  const perfInstance = provider.initialize({\n    options: settings\n  }) as PerformanceController;\n  return perfInstance;\n}\n\n/**\n * Returns a new `PerformanceTrace` instance.\n * @param performance - The {@link FirebasePerformance} instance to use.\n * @param name - The name of the trace.\n * @public\n */\nexport function trace(\n  performance: FirebasePerformance,\n  name: string\n): PerformanceTrace {\n  performance = getModularInstance(performance);\n  return new Trace(performance as PerformanceController, name);\n}\n\nconst factory: InstanceFactory<'performance'> = (\n  container: ComponentContainer,\n  { options: settings }: { options?: PerformanceSettings }\n) => {\n  // Dependencies\n  const app = container.getProvider('app').getImmediate();\n  const installations = container\n    .getProvider('installations-internal')\n    .getImmediate();\n\n  if (app.name !== DEFAULT_ENTRY_NAME) {\n    throw ERROR_FACTORY.create(ErrorCode.FB_NOT_DEFAULT);\n  }\n  if (typeof window === 'undefined') {\n    throw ERROR_FACTORY.create(ErrorCode.NO_WINDOW);\n  }\n  setupApi(window);\n  const perfInstance = new PerformanceController(app, installations);\n  perfInstance._init(settings);\n\n  return perfInstance;\n};\n\nfunction registerPerformance(): void {\n  _registerComponent(\n    new Component('performance', factory, ComponentType.PUBLIC)\n  );\n  registerVersion(name, version);\n  // BUILD_TARGET will be replaced by values like esm, cjs, etc during the compilation\n  registerVersion(name, version, '__BUILD_TARGET__');\n}\n\nregisterPerformance();\n\nexport { FirebasePerformance, PerformanceSettings, PerformanceTrace 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\ No newline at end of file
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/package.json b/frontend-old/node_modules/@firebase/performance/dist/esm/package.json
new file mode 100644
index 0000000..7c34deb
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/package.json
@@ -0,0 +1 @@
+{"type":"module"}
\ No newline at end of file
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/constants.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/constants.d.ts
new file mode 100644
index 0000000..dbb2159
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/constants.d.ts
@@ -0,0 +1,38 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare const SDK_VERSION: string;
+/** The prefix for start User Timing marks used for creating Traces. */
+export declare const TRACE_START_MARK_PREFIX = "FB-PERF-TRACE-START";
+/** The prefix for stop User Timing marks used for creating Traces. */
+export declare const TRACE_STOP_MARK_PREFIX = "FB-PERF-TRACE-STOP";
+/** The prefix for User Timing measure used for creating Traces. */
+export declare const TRACE_MEASURE_PREFIX = "FB-PERF-TRACE-MEASURE";
+/** The prefix for out of the box page load Trace name. */
+export declare const OOB_TRACE_PAGE_LOAD_PREFIX = "_wt_";
+export declare const FIRST_PAINT_COUNTER_NAME = "_fp";
+export declare const FIRST_CONTENTFUL_PAINT_COUNTER_NAME = "_fcp";
+export declare const FIRST_INPUT_DELAY_COUNTER_NAME = "_fid";
+export declare const LARGEST_CONTENTFUL_PAINT_METRIC_NAME = "_lcp";
+export declare const LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME = "lcp_element";
+export declare const INTERACTION_TO_NEXT_PAINT_METRIC_NAME = "_inp";
+export declare const INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME = "inp_interactionTarget";
+export declare const CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME = "_cls";
+export declare const CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME = "cls_largestShiftTarget";
+export declare const CONFIG_LOCAL_STORAGE_KEY = "@firebase/performance/config";
+export declare const CONFIG_EXPIRY_LOCAL_STORAGE_KEY = "@firebase/performance/configexpire";
+export declare const SERVICE = "performance";
+export declare const SERVICE_NAME = "Performance";
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/controllers/perf.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/controllers/perf.d.ts
new file mode 100644
index 0000000..bfb45a5
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/controllers/perf.d.ts
@@ -0,0 +1,39 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp } from '@firebase/app';
+import { _FirebaseInstallationsInternal } from '@firebase/installations';
+import { PerformanceSettings, FirebasePerformance } from '../public_types';
+export declare class PerformanceController implements FirebasePerformance {
+    readonly app: FirebaseApp;
+    readonly installations: _FirebaseInstallationsInternal;
+    private initialized;
+    constructor(app: FirebaseApp, installations: _FirebaseInstallationsInternal);
+    /**
+     * This method *must* be called internally as part of creating a
+     * PerformanceController instance.
+     *
+     * Currently it's not possible to pass the settings object through the
+     * constructor using Components, so this method exists to be called with the
+     * desired settings, to ensure nothing is collected without the user's
+     * consent.
+     */
+    _init(settings?: PerformanceSettings): void;
+    set instrumentationEnabled(val: boolean);
+    get instrumentationEnabled(): boolean;
+    set dataCollectionEnabled(val: boolean);
+    get dataCollectionEnabled(): boolean;
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/index.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/index.d.ts
new file mode 100644
index 0000000..eb2968e
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/index.d.ts
@@ -0,0 +1,46 @@
+/**
+ * The Firebase Performance Monitoring Web SDK.
+ * This SDK does not work in a Node.js environment.
+ *
+ * @packageDocumentation
+ */
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebasePerformance, PerformanceSettings, PerformanceTrace } from './public_types';
+import { FirebaseApp } from '@firebase/app';
+import '@firebase/installations';
+/**
+ * Returns a {@link FirebasePerformance} instance for the given app.
+ * @param app - The {@link @firebase/app#FirebaseApp} to use.
+ * @public
+ */
+export declare function getPerformance(app?: FirebaseApp): FirebasePerformance;
+/**
+ * Returns a {@link FirebasePerformance} instance for the given app. Can only be called once.
+ * @param app - The {@link @firebase/app#FirebaseApp} to use.
+ * @param settings - Optional settings for the {@link FirebasePerformance} instance.
+ * @public
+ */
+export declare function initializePerformance(app: FirebaseApp, settings?: PerformanceSettings): FirebasePerformance;
+/**
+ * Returns a new `PerformanceTrace` instance.
+ * @param performance - The {@link FirebasePerformance} instance to use.
+ * @param name - The name of the trace.
+ * @public
+ */
+export declare function trace(performance: FirebasePerformance, name: string): PerformanceTrace;
+export { FirebasePerformance, PerformanceSettings, PerformanceTrace };
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/public_types.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/public_types.d.ts
new file mode 100644
index 0000000..5f37697
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/public_types.d.ts
@@ -0,0 +1,136 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp } from '@firebase/app';
+/**
+ * Defines configuration options for the Performance Monitoring SDK.
+ *
+ * @public
+ */
+export interface PerformanceSettings {
+    /** Whether to collect custom events. */
+    dataCollectionEnabled?: boolean;
+    /** Whether to collect out of the box events. */
+    instrumentationEnabled?: boolean;
+}
+/**
+ * The Firebase Performance Monitoring service interface.
+ *
+ * @public
+ */
+export interface FirebasePerformance {
+    /**
+     * The {@link @firebase/app#FirebaseApp} this `FirebasePerformance` instance is associated with.
+     */
+    app: FirebaseApp;
+    /**
+     * Controls the logging of automatic traces and HTTP/S network monitoring.
+     */
+    instrumentationEnabled: boolean;
+    /**
+     * Controls the logging of custom traces.
+     */
+    dataCollectionEnabled: boolean;
+}
+/**
+ * The interface representing a `Trace`.
+ *
+ * @public
+ */
+export interface PerformanceTrace {
+    /**
+     * Starts the timing for the trace instance.
+     */
+    start(): void;
+    /**
+     * Stops the timing of the trace instance and logs the data of the instance.
+     */
+    stop(): void;
+    /**
+     * Records a trace from given parameters. This provides a direct way to use trace without a need to
+     * start/stop. This is useful for use cases in which the trace cannot directly be used
+     * (e.g. if the duration was captured before the Performance SDK was loaded).
+     *
+     * @param startTime - trace start time since epoch in millisec.
+     * @param duration - The duration of the trace in millisec.
+     * @param options - An object which can optionally hold maps of custom metrics and
+     * custom attributes.
+     */
+    record(startTime: number, duration: number, options?: {
+        metrics?: {
+            [key: string]: number;
+        };
+        attributes?: {
+            [key: string]: string;
+        };
+    }): void;
+    /**
+     * Adds to the value of a custom metric. If a custom metric with the provided name does not
+     * exist, it creates one with that name and the value equal to the given number. The value will be floored down to an
+     * integer.
+     *
+     * @param metricName - The name of the custom metric.
+     * @param num - The number to be added to the value of the custom metric. If not provided, it
+     * uses a default value of one.
+     */
+    incrementMetric(metricName: string, num?: number): void;
+    /**
+     * Sets the value of the specified custom metric to the given number regardless of whether
+     * a metric with that name already exists on the trace instance or not. The value will be floored down to an
+     * integer.
+     *
+     * @param metricName - Name of the custom metric.
+     * @param num - Value to of the custom metric.
+     */
+    putMetric(metricName: string, num: number): void;
+    /**
+     * Returns the value of the custom metric by that name. If a custom metric with that name does
+     * not exist will return zero.
+     *
+     * @param metricName - Name of the custom metric.
+     */
+    getMetric(metricName: string): number;
+    /**
+     * Set a custom attribute of a trace to a certain value.
+     *
+     * @param attr - Name of the custom attribute.
+     * @param value - Value of the custom attribute.
+     */
+    putAttribute(attr: string, value: string): void;
+    /**
+     * Retrieves the value which a custom attribute is set to.
+     *
+     * @param attr - Name of the custom attribute.
+     */
+    getAttribute(attr: string): string | undefined;
+    /**
+     * Removes the specified custom attribute from a trace instance.
+     *
+     * @param attr - Name of the custom attribute.
+     */
+    removeAttribute(attr: string): void;
+    /**
+     * Returns a map of all custom attributes of a trace instance.
+     */
+    getAttributes(): {
+        [key: string]: string;
+    };
+}
+declare module '@firebase/component' {
+    interface NameServiceMapping {
+        'performance': FirebasePerformance;
+    }
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/resources/network_request.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/resources/network_request.d.ts
new file mode 100644
index 0000000..cf7f15d
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/resources/network_request.d.ts
@@ -0,0 +1,43 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceController } from '../controllers/perf';
+export declare const enum HttpMethod {
+    HTTP_METHOD_UNKNOWN = 0,
+    GET = 1,
+    PUT = 2,
+    POST = 3,
+    DELETE = 4,
+    HEAD = 5,
+    PATCH = 6,
+    OPTIONS = 7,
+    TRACE = 8,
+    CONNECT = 9
+}
+export interface NetworkRequest {
+    performanceController: PerformanceController;
+    url: string;
+    httpMethod?: HttpMethod;
+    requestPayloadBytes?: number;
+    responsePayloadBytes?: number;
+    httpResponseCode?: number;
+    responseContentType?: string;
+    startTimeUs?: number;
+    timeToRequestCompletedUs?: number;
+    timeToResponseInitiatedUs?: number;
+    timeToResponseCompletedUs?: number;
+}
+export declare function createNetworkRequestEntry(performanceController: PerformanceController, entry: PerformanceEntry): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/resources/trace.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/resources/trace.d.ts
new file mode 100644
index 0000000..65d9ca4
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/resources/trace.d.ts
@@ -0,0 +1,121 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceTrace } from '../public_types';
+import { PerformanceController } from '../controllers/perf';
+import { CoreVitalMetric, WebVitalMetrics } from './web_vitals';
+export declare class Trace implements PerformanceTrace {
+    readonly performanceController: PerformanceController;
+    readonly name: string;
+    readonly isAuto: boolean;
+    private state;
+    startTimeUs: number;
+    durationUs: number;
+    private customAttributes;
+    counters: {
+        [counterName: string]: number;
+    };
+    private api;
+    private randomId;
+    private traceStartMark;
+    private traceStopMark;
+    private traceMeasure;
+    /**
+     * @param performanceController The performance controller running.
+     * @param name The name of the trace.
+     * @param isAuto If the trace is auto-instrumented.
+     * @param traceMeasureName The name of the measure marker in user timing specification. This field
+     * is only set when the trace is built for logging when the user directly uses the user timing
+     * api (performance.mark and performance.measure).
+     */
+    constructor(performanceController: PerformanceController, name: string, isAuto?: boolean, traceMeasureName?: string);
+    /**
+     * Starts a trace. The measurement of the duration starts at this point.
+     */
+    start(): void;
+    /**
+     * Stops the trace. The measurement of the duration of the trace stops at this point and trace
+     * is logged.
+     */
+    stop(): void;
+    /**
+     * Records a trace with predetermined values. If this method is used a trace is created and logged
+     * directly. No need to use start and stop methods.
+     * @param startTime Trace start time since epoch in millisec
+     * @param duration The duration of the trace in millisec
+     * @param options An object which can optionally hold maps of custom metrics and custom attributes
+     */
+    record(startTime: number, duration: number, options?: {
+        metrics?: {
+            [key: string]: number;
+        };
+        attributes?: {
+            [key: string]: string;
+        };
+    }): void;
+    /**
+     * Increments a custom metric by a certain number or 1 if number not specified. Will create a new
+     * custom metric if one with the given name does not exist. The value will be floored down to an
+     * integer.
+     * @param counter Name of the custom metric
+     * @param numAsInteger Increment by value
+     */
+    incrementMetric(counter: string, numAsInteger?: number): void;
+    /**
+     * Sets a custom metric to a specified value. Will create a new custom metric if one with the
+     * given name does not exist. The value will be floored down to an integer.
+     * @param counter Name of the custom metric
+     * @param numAsInteger Set custom metric to this value
+     */
+    putMetric(counter: string, numAsInteger: number): void;
+    /**
+     * Returns the value of the custom metric by that name. If a custom metric with that name does
+     * not exist will return zero.
+     * @param counter
+     */
+    getMetric(counter: string): number;
+    /**
+     * Sets a custom attribute of a trace to a certain value.
+     * @param attr
+     * @param value
+     */
+    putAttribute(attr: string, value: string): void;
+    /**
+     * Retrieves the value a custom attribute of a trace is set to.
+     * @param attr
+     */
+    getAttribute(attr: string): string | undefined;
+    removeAttribute(attr: string): void;
+    getAttributes(): {
+        [key: string]: string;
+    };
+    private setStartTime;
+    private setDuration;
+    /**
+     * Calculates and assigns the duration and start time of the trace using the measure performance
+     * entry.
+     */
+    private calculateTraceMetrics;
+    /**
+     * @param navigationTimings A single element array which contains the navigationTIming object of
+     * the page load
+     * @param paintTimings A array which contains paintTiming object of the page load
+     * @param firstInputDelay First input delay in millisec
+     */
+    static createOobTrace(performanceController: PerformanceController, navigationTimings: PerformanceNavigationTiming[], paintTimings: PerformanceEntry[], webVitalMetrics: WebVitalMetrics, firstInputDelay?: number): void;
+    static addWebVitalMetric(trace: Trace, metricKey: string, attributeKey: string, metric?: CoreVitalMetric): void;
+    static createUserTimingTrace(performanceController: PerformanceController, measureName: string): void;
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/resources/web_vitals.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/resources/web_vitals.d.ts
new file mode 100644
index 0000000..1d9f7a1
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/resources/web_vitals.d.ts
@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export interface CoreVitalMetric {
+    value: number;
+    elementAttribution?: string;
+}
+export interface WebVitalMetrics {
+    cls?: CoreVitalMetric;
+    inp?: CoreVitalMetric;
+    lcp?: CoreVitalMetric;
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/api_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/api_service.d.ts
new file mode 100644
index 0000000..e576c29
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/api_service.d.ts
@@ -0,0 +1,55 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { CLSMetricWithAttribution, INPMetricWithAttribution, LCPMetricWithAttribution } from 'web-vitals/attribution';
+declare global {
+    interface Window {
+        PerformanceObserver: typeof PerformanceObserver;
+        perfMetrics?: {
+            onFirstInputDelay(fn: (fid: number) => void): void;
+        };
+    }
+}
+export type EntryType = 'mark' | 'measure' | 'paint' | 'resource' | 'frame' | 'navigation';
+/**
+ * This class holds a reference to various browser related objects injected by
+ * set methods.
+ */
+export declare class Api {
+    readonly window?: Window | undefined;
+    private readonly performance;
+    /** PerformanceObserver constructor function. */
+    private readonly PerformanceObserver;
+    private readonly windowLocation;
+    readonly onFirstInputDelay?: (fn: (fid: number) => void) => void;
+    readonly onLCP: (fn: (metric: LCPMetricWithAttribution) => void) => void;
+    readonly onINP: (fn: (metric: INPMetricWithAttribution) => void) => void;
+    readonly onCLS: (fn: (metric: CLSMetricWithAttribution) => void) => void;
+    readonly localStorage?: Storage;
+    readonly document: Document;
+    readonly navigator: Navigator;
+    constructor(window?: Window | undefined);
+    getUrl(): string;
+    mark(name: string): void;
+    measure(measureName: string, mark1: string, mark2: string): void;
+    getEntriesByType(type: EntryType): PerformanceEntry[];
+    getEntriesByName(name: string): PerformanceEntry[];
+    getTimeOrigin(): number;
+    requiredApisAvailable(): boolean;
+    setupObserver(entryType: EntryType, callback: (entry: PerformanceEntry) => void): void;
+    static getInstance(): Api;
+}
+export declare function setupApi(window: Window): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/iid_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/iid_service.d.ts
new file mode 100644
index 0000000..c3387d7
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/iid_service.d.ts
@@ -0,0 +1,21 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { _FirebaseInstallationsInternal } from '@firebase/installations';
+export declare function getIidPromise(installationsService: _FirebaseInstallationsInternal): Promise<string>;
+export declare function getIid(): string | undefined;
+export declare function getAuthTokenPromise(installationsService: _FirebaseInstallationsInternal): Promise<string>;
+export declare function getAuthenticationToken(): string | undefined;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/initialization_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/initialization_service.d.ts
new file mode 100644
index 0000000..3e16a52
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/initialization_service.d.ts
@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceController } from '../controllers/perf';
+export declare function getInitializationPromise(performanceController: PerformanceController): Promise<void>;
+export declare function isPerfInitialized(): boolean;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/oob_resources_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/oob_resources_service.d.ts
new file mode 100644
index 0000000..2109a59
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/oob_resources_service.d.ts
@@ -0,0 +1,23 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceController } from '../controllers/perf';
+export declare function setupOobResources(performanceController: PerformanceController): void;
+/**
+ * This service will only export the page load trace once. This function allows
+ * resetting it for unit tests
+ */
+export declare function resetForUnitTests(): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/perf_logger.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/perf_logger.d.ts
new file mode 100644
index 0000000..f9dc083
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/perf_logger.d.ts
@@ -0,0 +1,21 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { NetworkRequest } from '../resources/network_request';
+import { Trace } from '../resources/trace';
+export declare function logTrace(trace: Trace): void;
+export declare function flushLogs(): void;
+export declare function logNetworkRequest(networkRequest: NetworkRequest): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/remote_config_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/remote_config_service.d.ts
new file mode 100644
index 0000000..22aeb58
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/remote_config_service.d.ts
@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceController } from '../controllers/perf';
+export declare function getConfig(performanceController: PerformanceController, iid: string): Promise<void>;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/settings_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/settings_service.d.ts
new file mode 100644
index 0000000..c343189
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/settings_service.d.ts
@@ -0,0 +1,33 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare class SettingsService {
+    instrumentationEnabled: boolean;
+    dataCollectionEnabled: boolean;
+    loggingEnabled: boolean;
+    tracesSamplingRate: number;
+    networkRequestsSamplingRate: number;
+    logEndPointUrl: string;
+    flTransportEndpointUrl: string;
+    transportKey: string;
+    logSource: number;
+    logTraceAfterSampling: boolean;
+    logNetworkAfterSampling: boolean;
+    configTimeToLive: number;
+    logMaxFlushSize: number;
+    getFlTransportFullUrl(): string;
+    static getInstance(): SettingsService;
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/transport_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/transport_service.d.ts
new file mode 100644
index 0000000..d204a91
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/services/transport_service.d.ts
@@ -0,0 +1,29 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare function setupTransportService(): void;
+/**
+ * Utilized by testing to clean up message queue and un-initialize transport service.
+ */
+export declare function resetTransportService(): void;
+/** Log handler for cc service to send the performance logs to the server. */
+export declare function transportHandler(serializer: (...args: any[]) => string): (...args: unknown[]) => void;
+/**
+ * Force flush the queued events. Useful at page unload time to ensure all events are uploaded.
+ * Flush will attempt to use sendBeacon to send events async and defaults back to fetch as soon as a
+ * sendBeacon fails. Firefox
+ */
+export declare function flushQueuedEvents(): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/app_utils.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/app_utils.d.ts
new file mode 100644
index 0000000..3c86d5a
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/app_utils.d.ts
@@ -0,0 +1,20 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp } from '@firebase/app';
+export declare function getAppId(firebaseApp: FirebaseApp): string;
+export declare function getProjectId(firebaseApp: FirebaseApp): string;
+export declare function getApiKey(firebaseApp: FirebaseApp): string;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/attributes_utils.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/attributes_utils.d.ts
new file mode 100644
index 0000000..bbdcd52
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/attributes_utils.d.ts
@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+declare const enum ServiceWorkerStatus {
+    UNKNOWN = 0,
+    UNSUPPORTED = 1,
+    CONTROLLED = 2,
+    UNCONTROLLED = 3
+}
+export declare enum VisibilityState {
+    UNKNOWN = 0,
+    VISIBLE = 1,
+    HIDDEN = 2
+}
+declare const enum EffectiveConnectionType {
+    UNKNOWN = 0,
+    CONNECTION_SLOW_2G = 1,
+    CONNECTION_2G = 2,
+    CONNECTION_3G = 3,
+    CONNECTION_4G = 4
+}
+export declare const MAX_ATTRIBUTE_VALUE_LENGTH = 100;
+export declare function getServiceWorkerStatus(): ServiceWorkerStatus;
+export declare function getVisibilityState(): VisibilityState;
+export declare function getEffectiveConnectionType(): EffectiveConnectionType;
+export declare function isValidCustomAttributeName(name: string): boolean;
+export declare function isValidCustomAttributeValue(value: string): boolean;
+export {};
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/console_logger.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/console_logger.d.ts
new file mode 100644
index 0000000..3049fb6
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/console_logger.d.ts
@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Logger } from '@firebase/logger';
+export declare const consoleLogger: Logger;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/errors.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/errors.d.ts
new file mode 100644
index 0000000..8db0240
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/errors.d.ts
@@ -0,0 +1,60 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ErrorFactory } from '@firebase/util';
+export declare const enum ErrorCode {
+    TRACE_STARTED_BEFORE = "trace started",
+    TRACE_STOPPED_BEFORE = "trace stopped",
+    NONPOSITIVE_TRACE_START_TIME = "nonpositive trace startTime",
+    NONPOSITIVE_TRACE_DURATION = "nonpositive trace duration",
+    NO_WINDOW = "no window",
+    NO_APP_ID = "no app id",
+    NO_PROJECT_ID = "no project id",
+    NO_API_KEY = "no api key",
+    INVALID_CC_LOG = "invalid cc log",
+    FB_NOT_DEFAULT = "FB not default",
+    RC_NOT_OK = "RC response not ok",
+    INVALID_ATTRIBUTE_NAME = "invalid attribute name",
+    INVALID_ATTRIBUTE_VALUE = "invalid attribute value",
+    INVALID_CUSTOM_METRIC_NAME = "invalid custom metric name",
+    INVALID_STRING_MERGER_PARAMETER = "invalid String merger input",
+    ALREADY_INITIALIZED = "already initialized"
+}
+interface ErrorParams {
+    [ErrorCode.TRACE_STARTED_BEFORE]: {
+        traceName: string;
+    };
+    [ErrorCode.TRACE_STOPPED_BEFORE]: {
+        traceName: string;
+    };
+    [ErrorCode.NONPOSITIVE_TRACE_START_TIME]: {
+        traceName: string;
+    };
+    [ErrorCode.NONPOSITIVE_TRACE_DURATION]: {
+        traceName: string;
+    };
+    [ErrorCode.INVALID_ATTRIBUTE_NAME]: {
+        attributeName: string;
+    };
+    [ErrorCode.INVALID_ATTRIBUTE_VALUE]: {
+        attributeValue: string;
+    };
+    [ErrorCode.INVALID_CUSTOM_METRIC_NAME]: {
+        customMetricName: string;
+    };
+}
+export declare const ERROR_FACTORY: ErrorFactory<ErrorCode, ErrorParams>;
+export {};
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/metric_utils.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/metric_utils.d.ts
new file mode 100644
index 0000000..9639f76
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/metric_utils.d.ts
@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Returns true if the metric is custom and does not start with reserved prefix, or if
+ * the metric is one of out of the box page load trace metrics.
+ */
+export declare function isValidMetricName(name: string, traceName?: string): boolean;
+/**
+ * Converts the provided value to an integer value to be used in case of a metric.
+ * @param providedValue Provided number value of the metric that needs to be converted to an integer.
+ *
+ * @returns Converted integer number to be set for the metric.
+ */
+export declare function convertMetricValueToInteger(providedValue: number): number;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/string_merger.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/string_merger.d.ts
new file mode 100644
index 0000000..4bdb19e
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/src/utils/string_merger.d.ts
@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare function mergeStrings(part1: string, part2: string): string;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/esm/test/setup.d.ts b/frontend-old/node_modules/@firebase/performance/dist/esm/test/setup.d.ts
new file mode 100644
index 0000000..731d2d9
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/esm/test/setup.d.ts
@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export {};
diff --git a/frontend-old/node_modules/@firebase/performance/dist/index.cjs.js b/frontend-old/node_modules/@firebase/performance/dist/index.cjs.js
new file mode 100644
index 0000000..38e4e0e
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/index.cjs.js
@@ -0,0 +1,1620 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var util = require('@firebase/util');
+var logger$1 = require('@firebase/logger');
+var attribution = require('web-vitals/attribution');
+var app = require('@firebase/app');
+var component = require('@firebase/component');
+require('@firebase/installations');
+
+const name = "@firebase/performance";
+const version = "0.7.9";
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const SDK_VERSION = version;
+/** The prefix for start User Timing marks used for creating Traces. */
+const TRACE_START_MARK_PREFIX = 'FB-PERF-TRACE-START';
+/** The prefix for stop User Timing marks used for creating Traces. */
+const TRACE_STOP_MARK_PREFIX = 'FB-PERF-TRACE-STOP';
+/** The prefix for User Timing measure used for creating Traces. */
+const TRACE_MEASURE_PREFIX = 'FB-PERF-TRACE-MEASURE';
+/** The prefix for out of the box page load Trace name. */
+const OOB_TRACE_PAGE_LOAD_PREFIX = '_wt_';
+const FIRST_PAINT_COUNTER_NAME = '_fp';
+const FIRST_CONTENTFUL_PAINT_COUNTER_NAME = '_fcp';
+const FIRST_INPUT_DELAY_COUNTER_NAME = '_fid';
+const LARGEST_CONTENTFUL_PAINT_METRIC_NAME = '_lcp';
+const LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME = 'lcp_element';
+const INTERACTION_TO_NEXT_PAINT_METRIC_NAME = '_inp';
+const INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME = 'inp_interactionTarget';
+const CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME = '_cls';
+const CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME = 'cls_largestShiftTarget';
+const CONFIG_LOCAL_STORAGE_KEY = '@firebase/performance/config';
+const CONFIG_EXPIRY_LOCAL_STORAGE_KEY = '@firebase/performance/configexpire';
+const SERVICE = 'performance';
+const SERVICE_NAME = 'Performance';
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const ERROR_DESCRIPTION_MAP = {
+    ["trace started" /* ErrorCode.TRACE_STARTED_BEFORE */]: 'Trace {$traceName} was started before.',
+    ["trace stopped" /* ErrorCode.TRACE_STOPPED_BEFORE */]: 'Trace {$traceName} is not running.',
+    ["nonpositive trace startTime" /* ErrorCode.NONPOSITIVE_TRACE_START_TIME */]: 'Trace {$traceName} startTime should be positive.',
+    ["nonpositive trace duration" /* ErrorCode.NONPOSITIVE_TRACE_DURATION */]: 'Trace {$traceName} duration should be positive.',
+    ["no window" /* ErrorCode.NO_WINDOW */]: 'Window is not available.',
+    ["no app id" /* ErrorCode.NO_APP_ID */]: 'App id is not available.',
+    ["no project id" /* ErrorCode.NO_PROJECT_ID */]: 'Project id is not available.',
+    ["no api key" /* ErrorCode.NO_API_KEY */]: 'Api key is not available.',
+    ["invalid cc log" /* ErrorCode.INVALID_CC_LOG */]: 'Attempted to queue invalid cc event',
+    ["FB not default" /* ErrorCode.FB_NOT_DEFAULT */]: 'Performance can only start when Firebase app instance is the default one.',
+    ["RC response not ok" /* ErrorCode.RC_NOT_OK */]: 'RC response is not ok',
+    ["invalid attribute name" /* ErrorCode.INVALID_ATTRIBUTE_NAME */]: 'Attribute name {$attributeName} is invalid.',
+    ["invalid attribute value" /* ErrorCode.INVALID_ATTRIBUTE_VALUE */]: 'Attribute value {$attributeValue} is invalid.',
+    ["invalid custom metric name" /* ErrorCode.INVALID_CUSTOM_METRIC_NAME */]: 'Custom metric name {$customMetricName} is invalid',
+    ["invalid String merger input" /* ErrorCode.INVALID_STRING_MERGER_PARAMETER */]: 'Input for String merger is invalid, contact support team to resolve.',
+    ["already initialized" /* ErrorCode.ALREADY_INITIALIZED */]: 'initializePerformance() has already been called with ' +
+        'different options. To avoid this error, call initializePerformance() with the ' +
+        'same options as when it was originally called, or call getPerformance() to return the' +
+        ' already initialized instance.'
+};
+const ERROR_FACTORY = new util.ErrorFactory(SERVICE, SERVICE_NAME, ERROR_DESCRIPTION_MAP);
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const consoleLogger = new logger$1.Logger(SERVICE_NAME);
+consoleLogger.logLevel = logger$1.LogLevel.INFO;
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let apiInstance;
+let windowInstance;
+/**
+ * This class holds a reference to various browser related objects injected by
+ * set methods.
+ */
+class Api {
+    constructor(window) {
+        this.window = window;
+        if (!window) {
+            throw ERROR_FACTORY.create("no window" /* ErrorCode.NO_WINDOW */);
+        }
+        this.performance = window.performance;
+        this.PerformanceObserver = window.PerformanceObserver;
+        this.windowLocation = window.location;
+        this.navigator = window.navigator;
+        this.document = window.document;
+        if (this.navigator && this.navigator.cookieEnabled) {
+            // If user blocks cookies on the browser, accessing localStorage will
+            // throw an exception.
+            this.localStorage = window.localStorage;
+        }
+        if (window.perfMetrics && window.perfMetrics.onFirstInputDelay) {
+            this.onFirstInputDelay = window.perfMetrics.onFirstInputDelay;
+        }
+        this.onLCP = attribution.onLCP;
+        this.onINP = attribution.onINP;
+        this.onCLS = attribution.onCLS;
+    }
+    getUrl() {
+        // Do not capture the string query part of url.
+        return this.windowLocation.href.split('?')[0];
+    }
+    mark(name) {
+        if (!this.performance || !this.performance.mark) {
+            return;
+        }
+        this.performance.mark(name);
+    }
+    measure(measureName, mark1, mark2) {
+        if (!this.performance || !this.performance.measure) {
+            return;
+        }
+        this.performance.measure(measureName, mark1, mark2);
+    }
+    getEntriesByType(type) {
+        if (!this.performance || !this.performance.getEntriesByType) {
+            return [];
+        }
+        return this.performance.getEntriesByType(type);
+    }
+    getEntriesByName(name) {
+        if (!this.performance || !this.performance.getEntriesByName) {
+            return [];
+        }
+        return this.performance.getEntriesByName(name);
+    }
+    getTimeOrigin() {
+        // Polyfill the time origin with performance.timing.navigationStart.
+        return (this.performance &&
+            (this.performance.timeOrigin || this.performance.timing.navigationStart));
+    }
+    requiredApisAvailable() {
+        if (!fetch || !Promise || !util.areCookiesEnabled()) {
+            consoleLogger.info('Firebase Performance cannot start if browser does not support fetch and Promise or cookie is disabled.');
+            return false;
+        }
+        if (!util.isIndexedDBAvailable()) {
+            consoleLogger.info('IndexedDB is not supported by current browser');
+            return false;
+        }
+        return true;
+    }
+    setupObserver(entryType, callback) {
+        if (!this.PerformanceObserver) {
+            return;
+        }
+        const observer = new this.PerformanceObserver(list => {
+            for (const entry of list.getEntries()) {
+                // `entry` is a PerformanceEntry instance.
+                callback(entry);
+            }
+        });
+        // Start observing the entry types you care about.
+        observer.observe({ entryTypes: [entryType] });
+    }
+    static getInstance() {
+        if (apiInstance === undefined) {
+            apiInstance = new Api(windowInstance);
+        }
+        return apiInstance;
+    }
+}
+function setupApi(window) {
+    windowInstance = window;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let iid;
+function getIidPromise(installationsService) {
+    const iidPromise = installationsService.getId();
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
+    iidPromise.then((iidVal) => {
+        iid = iidVal;
+    });
+    return iidPromise;
+}
+// This method should be used after the iid is retrieved by getIidPromise method.
+function getIid() {
+    return iid;
+}
+function getAuthTokenPromise(installationsService) {
+    const authTokenPromise = installationsService.getToken();
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
+    authTokenPromise.then((authTokenVal) => {
+    });
+    return authTokenPromise;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+function mergeStrings(part1, part2) {
+    const sizeDiff = part1.length - part2.length;
+    if (sizeDiff < 0 || sizeDiff > 1) {
+        throw ERROR_FACTORY.create("invalid String merger input" /* ErrorCode.INVALID_STRING_MERGER_PARAMETER */);
+    }
+    const resultArray = [];
+    for (let i = 0; i < part1.length; i++) {
+        resultArray.push(part1.charAt(i));
+        if (part2.length > i) {
+            resultArray.push(part2.charAt(i));
+        }
+    }
+    return resultArray.join('');
+}
+
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let settingsServiceInstance;
+class SettingsService {
+    constructor() {
+        // The variable which controls logging of automatic traces and HTTP/S network monitoring.
+        this.instrumentationEnabled = true;
+        // The variable which controls logging of custom traces.
+        this.dataCollectionEnabled = true;
+        // Configuration flags set through remote config.
+        this.loggingEnabled = false;
+        // Sampling rate between 0 and 1.
+        this.tracesSamplingRate = 1;
+        this.networkRequestsSamplingRate = 1;
+        // Address of logging service.
+        this.logEndPointUrl = 'https://firebaselogging.googleapis.com/v0cc/log?format=json_proto';
+        // Performance event transport endpoint URL which should be compatible with proto3.
+        // New Address for transport service, not configurable via Remote Config.
+        this.flTransportEndpointUrl = mergeStrings('hts/frbslgigp.ogepscmv/ieo/eaylg', 'tp:/ieaeogn-agolai.o/1frlglgc/o');
+        this.transportKey = mergeStrings('AzSC8r6ReiGqFMyfvgow', 'Iayx0u-XT3vksVM-pIV');
+        // Source type for performance event logs.
+        this.logSource = 462;
+        // Flags which control per session logging of traces and network requests.
+        this.logTraceAfterSampling = false;
+        this.logNetworkAfterSampling = false;
+        // TTL of config retrieved from remote config in hours.
+        this.configTimeToLive = 12;
+        // The max number of events to send during a flush. This number is kept low to since Chrome has a
+        // shared payload limit for all sendBeacon calls in the same nav context.
+        this.logMaxFlushSize = 40;
+    }
+    getFlTransportFullUrl() {
+        return this.flTransportEndpointUrl.concat('?key=', this.transportKey);
+    }
+    static getInstance() {
+        if (settingsServiceInstance === undefined) {
+            settingsServiceInstance = new SettingsService();
+        }
+        return settingsServiceInstance;
+    }
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var VisibilityState;
+(function (VisibilityState) {
+    VisibilityState[VisibilityState["UNKNOWN"] = 0] = "UNKNOWN";
+    VisibilityState[VisibilityState["VISIBLE"] = 1] = "VISIBLE";
+    VisibilityState[VisibilityState["HIDDEN"] = 2] = "HIDDEN";
+})(VisibilityState || (VisibilityState = {}));
+const RESERVED_ATTRIBUTE_PREFIXES = ['firebase_', 'google_', 'ga_'];
+const ATTRIBUTE_FORMAT_REGEX = new RegExp('^[a-zA-Z]\\w*$');
+const MAX_ATTRIBUTE_NAME_LENGTH = 40;
+const MAX_ATTRIBUTE_VALUE_LENGTH = 100;
+function getServiceWorkerStatus() {
+    const navigator = Api.getInstance().navigator;
+    if (navigator?.serviceWorker) {
+        if (navigator.serviceWorker.controller) {
+            return 2 /* ServiceWorkerStatus.CONTROLLED */;
+        }
+        else {
+            return 3 /* ServiceWorkerStatus.UNCONTROLLED */;
+        }
+    }
+    else {
+        return 1 /* ServiceWorkerStatus.UNSUPPORTED */;
+    }
+}
+function getVisibilityState() {
+    const document = Api.getInstance().document;
+    const visibilityState = document.visibilityState;
+    switch (visibilityState) {
+        case 'visible':
+            return VisibilityState.VISIBLE;
+        case 'hidden':
+            return VisibilityState.HIDDEN;
+        default:
+            return VisibilityState.UNKNOWN;
+    }
+}
+function getEffectiveConnectionType() {
+    const navigator = Api.getInstance().navigator;
+    const navigatorConnection = navigator.connection;
+    const effectiveType = navigatorConnection && navigatorConnection.effectiveType;
+    switch (effectiveType) {
+        case 'slow-2g':
+            return 1 /* EffectiveConnectionType.CONNECTION_SLOW_2G */;
+        case '2g':
+            return 2 /* EffectiveConnectionType.CONNECTION_2G */;
+        case '3g':
+            return 3 /* EffectiveConnectionType.CONNECTION_3G */;
+        case '4g':
+            return 4 /* EffectiveConnectionType.CONNECTION_4G */;
+        default:
+            return 0 /* EffectiveConnectionType.UNKNOWN */;
+    }
+}
+function isValidCustomAttributeName(name) {
+    if (name.length === 0 || name.length > MAX_ATTRIBUTE_NAME_LENGTH) {
+        return false;
+    }
+    const matchesReservedPrefix = RESERVED_ATTRIBUTE_PREFIXES.some(prefix => name.startsWith(prefix));
+    return !matchesReservedPrefix && !!name.match(ATTRIBUTE_FORMAT_REGEX);
+}
+function isValidCustomAttributeValue(value) {
+    return value.length !== 0 && value.length <= MAX_ATTRIBUTE_VALUE_LENGTH;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+function getAppId(firebaseApp) {
+    const appId = firebaseApp.options?.appId;
+    if (!appId) {
+        throw ERROR_FACTORY.create("no app id" /* ErrorCode.NO_APP_ID */);
+    }
+    return appId;
+}
+function getProjectId(firebaseApp) {
+    const projectId = firebaseApp.options?.projectId;
+    if (!projectId) {
+        throw ERROR_FACTORY.create("no project id" /* ErrorCode.NO_PROJECT_ID */);
+    }
+    return projectId;
+}
+function getApiKey(firebaseApp) {
+    const apiKey = firebaseApp.options?.apiKey;
+    if (!apiKey) {
+        throw ERROR_FACTORY.create("no api key" /* ErrorCode.NO_API_KEY */);
+    }
+    return apiKey;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const REMOTE_CONFIG_SDK_VERSION = '0.0.1';
+// These values will be used if the remote config object is successfully
+// retrieved, but the template does not have these fields.
+const DEFAULT_CONFIGS = {
+    loggingEnabled: true
+};
+const FIS_AUTH_PREFIX = 'FIREBASE_INSTALLATIONS_AUTH';
+function getConfig(performanceController, iid) {
+    const config = getStoredConfig();
+    if (config) {
+        processConfig(config);
+        return Promise.resolve();
+    }
+    return getRemoteConfig(performanceController, iid)
+        .then(processConfig)
+        .then(config => storeConfig(config), 
+    /** Do nothing for error, use defaults set in settings service. */
+    () => { });
+}
+function getStoredConfig() {
+    const localStorage = Api.getInstance().localStorage;
+    if (!localStorage) {
+        return;
+    }
+    const expiryString = localStorage.getItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY);
+    if (!expiryString || !configValid(expiryString)) {
+        return;
+    }
+    const configStringified = localStorage.getItem(CONFIG_LOCAL_STORAGE_KEY);
+    if (!configStringified) {
+        return;
+    }
+    try {
+        const configResponse = JSON.parse(configStringified);
+        return configResponse;
+    }
+    catch {
+        return;
+    }
+}
+function storeConfig(config) {
+    const localStorage = Api.getInstance().localStorage;
+    if (!config || !localStorage) {
+        return;
+    }
+    localStorage.setItem(CONFIG_LOCAL_STORAGE_KEY, JSON.stringify(config));
+    localStorage.setItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY, String(Date.now() +
+        SettingsService.getInstance().configTimeToLive * 60 * 60 * 1000));
+}
+const COULD_NOT_GET_CONFIG_MSG = 'Could not fetch config, will use default configs';
+function getRemoteConfig(performanceController, iid) {
+    // Perf needs auth token only to retrieve remote config.
+    return getAuthTokenPromise(performanceController.installations)
+        .then(authToken => {
+        const projectId = getProjectId(performanceController.app);
+        const apiKey = getApiKey(performanceController.app);
+        const configEndPoint = `https://firebaseremoteconfig.googleapis.com/v1/projects/${projectId}/namespaces/fireperf:fetch?key=${apiKey}`;
+        const request = new Request(configEndPoint, {
+            method: 'POST',
+            headers: { Authorization: `${FIS_AUTH_PREFIX} ${authToken}` },
+            /* eslint-disable camelcase */
+            body: JSON.stringify({
+                app_instance_id: iid,
+                app_instance_id_token: authToken,
+                app_id: getAppId(performanceController.app),
+                app_version: SDK_VERSION,
+                sdk_version: REMOTE_CONFIG_SDK_VERSION
+            })
+            /* eslint-enable camelcase */
+        });
+        return fetch(request).then(response => {
+            if (response.ok) {
+                return response.json();
+            }
+            // In case response is not ok. This will be caught by catch.
+            throw ERROR_FACTORY.create("RC response not ok" /* ErrorCode.RC_NOT_OK */);
+        });
+    })
+        .catch(() => {
+        consoleLogger.info(COULD_NOT_GET_CONFIG_MSG);
+        return undefined;
+    });
+}
+/**
+ * Processes config coming either from calling RC or from local storage.
+ * This method only runs if call is successful or config in storage
+ * is valid.
+ */
+function processConfig(config) {
+    if (!config) {
+        return config;
+    }
+    const settingsServiceInstance = SettingsService.getInstance();
+    const entries = config.entries || {};
+    if (entries.fpr_enabled !== undefined) {
+        // TODO: Change the assignment of loggingEnabled once the received type is
+        // known.
+        settingsServiceInstance.loggingEnabled =
+            String(entries.fpr_enabled) === 'true';
+    }
+    else {
+        // Config retrieved successfully, but there is no fpr_enabled in template.
+        // Use secondary configs value.
+        settingsServiceInstance.loggingEnabled = DEFAULT_CONFIGS.loggingEnabled;
+    }
+    if (entries.fpr_log_source) {
+        settingsServiceInstance.logSource = Number(entries.fpr_log_source);
+    }
+    else if (DEFAULT_CONFIGS.logSource) {
+        settingsServiceInstance.logSource = DEFAULT_CONFIGS.logSource;
+    }
+    if (entries.fpr_log_endpoint_url) {
+        settingsServiceInstance.logEndPointUrl = entries.fpr_log_endpoint_url;
+    }
+    else if (DEFAULT_CONFIGS.logEndPointUrl) {
+        settingsServiceInstance.logEndPointUrl = DEFAULT_CONFIGS.logEndPointUrl;
+    }
+    // Key from Remote Config has to be non-empty string, otherwise use local value.
+    if (entries.fpr_log_transport_key) {
+        settingsServiceInstance.transportKey = entries.fpr_log_transport_key;
+    }
+    else if (DEFAULT_CONFIGS.transportKey) {
+        settingsServiceInstance.transportKey = DEFAULT_CONFIGS.transportKey;
+    }
+    if (entries.fpr_vc_network_request_sampling_rate !== undefined) {
+        settingsServiceInstance.networkRequestsSamplingRate = Number(entries.fpr_vc_network_request_sampling_rate);
+    }
+    else if (DEFAULT_CONFIGS.networkRequestsSamplingRate !== undefined) {
+        settingsServiceInstance.networkRequestsSamplingRate =
+            DEFAULT_CONFIGS.networkRequestsSamplingRate;
+    }
+    if (entries.fpr_vc_trace_sampling_rate !== undefined) {
+        settingsServiceInstance.tracesSamplingRate = Number(entries.fpr_vc_trace_sampling_rate);
+    }
+    else if (DEFAULT_CONFIGS.tracesSamplingRate !== undefined) {
+        settingsServiceInstance.tracesSamplingRate =
+            DEFAULT_CONFIGS.tracesSamplingRate;
+    }
+    if (entries.fpr_log_max_flush_size) {
+        settingsServiceInstance.logMaxFlushSize = Number(entries.fpr_log_max_flush_size);
+    }
+    else if (DEFAULT_CONFIGS.logMaxFlushSize) {
+        settingsServiceInstance.logMaxFlushSize = DEFAULT_CONFIGS.logMaxFlushSize;
+    }
+    // Set the per session trace and network logging flags.
+    settingsServiceInstance.logTraceAfterSampling = shouldLogAfterSampling(settingsServiceInstance.tracesSamplingRate);
+    settingsServiceInstance.logNetworkAfterSampling = shouldLogAfterSampling(settingsServiceInstance.networkRequestsSamplingRate);
+    return config;
+}
+function configValid(expiry) {
+    return Number(expiry) > Date.now();
+}
+function shouldLogAfterSampling(samplingRate) {
+    return Math.random() <= samplingRate;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let initializationStatus = 1 /* InitializationStatus.notInitialized */;
+let initializationPromise;
+function getInitializationPromise(performanceController) {
+    initializationStatus = 2 /* InitializationStatus.initializationPending */;
+    initializationPromise =
+        initializationPromise || initializePerf(performanceController);
+    return initializationPromise;
+}
+function isPerfInitialized() {
+    return initializationStatus === 3 /* InitializationStatus.initialized */;
+}
+function initializePerf(performanceController) {
+    return getDocumentReadyComplete()
+        .then(() => getIidPromise(performanceController.installations))
+        .then(iid => getConfig(performanceController, iid))
+        .then(() => changeInitializationStatus(), () => changeInitializationStatus());
+}
+/**
+ * Returns a promise which resolves whenever the document readystate is complete or
+ * immediately if it is called after page load complete.
+ */
+function getDocumentReadyComplete() {
+    const document = Api.getInstance().document;
+    return new Promise(resolve => {
+        if (document && document.readyState !== 'complete') {
+            const handler = () => {
+                if (document.readyState === 'complete') {
+                    document.removeEventListener('readystatechange', handler);
+                    resolve();
+                }
+            };
+            document.addEventListener('readystatechange', handler);
+        }
+        else {
+            resolve();
+        }
+    });
+}
+function changeInitializationStatus() {
+    initializationStatus = 3 /* InitializationStatus.initialized */;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const DEFAULT_SEND_INTERVAL_MS = 10 * 1000;
+const INITIAL_SEND_TIME_DELAY_MS = 5.5 * 1000;
+const MAX_EVENT_COUNT_PER_REQUEST = 1000;
+const DEFAULT_REMAINING_TRIES = 3;
+// Most browsers have a max payload of 64KB for sendbeacon/keep alive payload.
+const MAX_SEND_BEACON_PAYLOAD_SIZE = 65536;
+const TEXT_ENCODER = new TextEncoder();
+let remainingTries = DEFAULT_REMAINING_TRIES;
+/* eslint-enable camelcase */
+let queue = [];
+let isTransportSetup = false;
+function setupTransportService() {
+    if (!isTransportSetup) {
+        processQueue(INITIAL_SEND_TIME_DELAY_MS);
+        isTransportSetup = true;
+    }
+}
+function processQueue(timeOffset) {
+    setTimeout(() => {
+        // If there is no remainingTries left, stop retrying.
+        if (remainingTries <= 0) {
+            return;
+        }
+        if (queue.length > 0) {
+            dispatchQueueEvents();
+        }
+        processQueue(DEFAULT_SEND_INTERVAL_MS);
+    }, timeOffset);
+}
+function dispatchQueueEvents() {
+    // Extract events up to the maximum cap of single logRequest from top of "official queue".
+    // The staged events will be used for current logRequest attempt, remaining events will be kept
+    // for next attempt.
+    const staged = queue.splice(0, MAX_EVENT_COUNT_PER_REQUEST);
+    const data = buildPayload(staged);
+    postToFlEndpoint(data)
+        .then(() => {
+        remainingTries = DEFAULT_REMAINING_TRIES;
+    })
+        .catch(() => {
+        // If the request fails for some reason, add the events that were attempted
+        // back to the primary queue to retry later.
+        queue = [...staged, ...queue];
+        remainingTries--;
+        consoleLogger.info(`Tries left: ${remainingTries}.`);
+        processQueue(DEFAULT_SEND_INTERVAL_MS);
+    });
+}
+function buildPayload(events) {
+    /* eslint-disable camelcase */
+    // We will pass the JSON serialized event to the backend.
+    const log_event = events.map(evt => ({
+        source_extension_json_proto3: evt.message,
+        event_time_ms: String(evt.eventTime)
+    }));
+    const transportBatchLog = {
+        request_time_ms: String(Date.now()),
+        client_info: {
+            client_type: 1, // 1 is JS
+            js_client_info: {}
+        },
+        log_source: SettingsService.getInstance().logSource,
+        log_event
+    };
+    /* eslint-enable camelcase */
+    return JSON.stringify(transportBatchLog);
+}
+/** Sends to Firelog. Atempts to use sendBeacon otherwsise uses fetch. */
+function postToFlEndpoint(body) {
+    const flTransportFullUrl = SettingsService.getInstance().getFlTransportFullUrl();
+    const size = TEXT_ENCODER.encode(body).length;
+    if (size <= MAX_SEND_BEACON_PAYLOAD_SIZE &&
+        navigator.sendBeacon &&
+        navigator.sendBeacon(flTransportFullUrl, body)) {
+        return Promise.resolve();
+    }
+    else {
+        return fetch(flTransportFullUrl, {
+            method: 'POST',
+            body
+        });
+    }
+}
+function addToQueue(evt) {
+    if (!evt.eventTime || !evt.message) {
+        throw ERROR_FACTORY.create("invalid cc log" /* ErrorCode.INVALID_CC_LOG */);
+    }
+    // Add the new event to the queue.
+    queue = [...queue, evt];
+}
+/** Log handler for cc service to send the performance logs to the server. */
+function transportHandler(
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+serializer) {
+    return (...args) => {
+        const message = serializer(...args);
+        addToQueue({
+            message,
+            eventTime: Date.now()
+        });
+    };
+}
+/**
+ * Force flush the queued events. Useful at page unload time to ensure all events are uploaded.
+ * Flush will attempt to use sendBeacon to send events async and defaults back to fetch as soon as a
+ * sendBeacon fails. Firefox
+ */
+function flushQueuedEvents() {
+    const flTransportFullUrl = SettingsService.getInstance().getFlTransportFullUrl();
+    while (queue.length > 0) {
+        // Send the last events first to prioritize page load traces
+        const staged = queue.splice(-SettingsService.getInstance().logMaxFlushSize);
+        const body = buildPayload(staged);
+        if (navigator.sendBeacon &&
+            navigator.sendBeacon(flTransportFullUrl, body)) {
+            continue;
+        }
+        else {
+            queue = [...queue, ...staged];
+            break;
+        }
+    }
+    if (queue.length > 0) {
+        const body = buildPayload(queue);
+        fetch(flTransportFullUrl, {
+            method: 'POST',
+            body
+        }).catch(() => {
+            consoleLogger.info(`Failed flushing queued events.`);
+        });
+    }
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let logger;
+//
+// This method is not called before initialization.
+function sendLog(resource, resourceType) {
+    if (!logger) {
+        logger = {
+            send: transportHandler(serializer),
+            flush: flushQueuedEvents
+        };
+    }
+    logger.send(resource, resourceType);
+}
+function logTrace(trace) {
+    const settingsService = SettingsService.getInstance();
+    // Do not log if trace is auto generated and instrumentation is disabled.
+    if (!settingsService.instrumentationEnabled && trace.isAuto) {
+        return;
+    }
+    // Do not log if trace is custom and data collection is disabled.
+    if (!settingsService.dataCollectionEnabled && !trace.isAuto) {
+        return;
+    }
+    // Do not log if required apis are not available.
+    if (!Api.getInstance().requiredApisAvailable()) {
+        return;
+    }
+    if (isPerfInitialized()) {
+        sendTraceLog(trace);
+    }
+    else {
+        // Custom traces can be used before the initialization but logging
+        // should wait until after.
+        getInitializationPromise(trace.performanceController).then(() => sendTraceLog(trace), () => sendTraceLog(trace));
+    }
+}
+function flushLogs() {
+    if (logger) {
+        logger.flush();
+    }
+}
+function sendTraceLog(trace) {
+    if (!getIid()) {
+        return;
+    }
+    const settingsService = SettingsService.getInstance();
+    if (!settingsService.loggingEnabled ||
+        !settingsService.logTraceAfterSampling) {
+        return;
+    }
+    sendLog(trace, 1 /* ResourceType.Trace */);
+}
+function logNetworkRequest(networkRequest) {
+    const settingsService = SettingsService.getInstance();
+    // Do not log network requests if instrumentation is disabled.
+    if (!settingsService.instrumentationEnabled) {
+        return;
+    }
+    // Do not log the js sdk's call to transport service domain to avoid unnecessary cycle.
+    // Need to blacklist both old and new endpoints to avoid migration gap.
+    const networkRequestUrl = networkRequest.url;
+    // Blacklist old log endpoint and new transport endpoint.
+    // Because Performance SDK doesn't instrument requests sent from SDK itself.
+    const logEndpointUrl = settingsService.logEndPointUrl.split('?')[0];
+    const flEndpointUrl = settingsService.flTransportEndpointUrl.split('?')[0];
+    if (networkRequestUrl === logEndpointUrl ||
+        networkRequestUrl === flEndpointUrl) {
+        return;
+    }
+    if (!settingsService.loggingEnabled ||
+        !settingsService.logNetworkAfterSampling) {
+        return;
+    }
+    sendLog(networkRequest, 0 /* ResourceType.NetworkRequest */);
+}
+function serializer(resource, resourceType) {
+    if (resourceType === 0 /* ResourceType.NetworkRequest */) {
+        return serializeNetworkRequest(resource);
+    }
+    return serializeTrace(resource);
+}
+function serializeNetworkRequest(networkRequest) {
+    const networkRequestMetric = {
+        url: networkRequest.url,
+        http_method: networkRequest.httpMethod || 0,
+        http_response_code: 200,
+        response_payload_bytes: networkRequest.responsePayloadBytes,
+        client_start_time_us: networkRequest.startTimeUs,
+        time_to_response_initiated_us: networkRequest.timeToResponseInitiatedUs,
+        time_to_response_completed_us: networkRequest.timeToResponseCompletedUs
+    };
+    const perfMetric = {
+        application_info: getApplicationInfo(networkRequest.performanceController.app),
+        network_request_metric: networkRequestMetric
+    };
+    return JSON.stringify(perfMetric);
+}
+function serializeTrace(trace) {
+    const traceMetric = {
+        name: trace.name,
+        is_auto: trace.isAuto,
+        client_start_time_us: trace.startTimeUs,
+        duration_us: trace.durationUs
+    };
+    if (Object.keys(trace.counters).length !== 0) {
+        traceMetric.counters = trace.counters;
+    }
+    const customAttributes = trace.getAttributes();
+    if (Object.keys(customAttributes).length !== 0) {
+        traceMetric.custom_attributes = customAttributes;
+    }
+    const perfMetric = {
+        application_info: getApplicationInfo(trace.performanceController.app),
+        trace_metric: traceMetric
+    };
+    return JSON.stringify(perfMetric);
+}
+function getApplicationInfo(firebaseApp) {
+    return {
+        google_app_id: getAppId(firebaseApp),
+        app_instance_id: getIid(),
+        web_app_info: {
+            sdk_version: SDK_VERSION,
+            page_url: Api.getInstance().getUrl(),
+            service_worker_status: getServiceWorkerStatus(),
+            visibility_state: getVisibilityState(),
+            effective_connection_type: getEffectiveConnectionType()
+        },
+        application_process_state: 0
+    };
+}
+/* eslint-enable camelcase */
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+function createNetworkRequestEntry(performanceController, entry) {
+    const performanceEntry = entry;
+    if (!performanceEntry || performanceEntry.responseStart === undefined) {
+        return;
+    }
+    const timeOrigin = Api.getInstance().getTimeOrigin();
+    const startTimeUs = Math.floor((performanceEntry.startTime + timeOrigin) * 1000);
+    const timeToResponseInitiatedUs = performanceEntry.responseStart
+        ? Math.floor((performanceEntry.responseStart - performanceEntry.startTime) * 1000)
+        : undefined;
+    const timeToResponseCompletedUs = Math.floor((performanceEntry.responseEnd - performanceEntry.startTime) * 1000);
+    // Remove the query params from logged network request url.
+    const url = performanceEntry.name && performanceEntry.name.split('?')[0];
+    const networkRequest = {
+        performanceController,
+        url,
+        responsePayloadBytes: performanceEntry.transferSize,
+        startTimeUs,
+        timeToResponseInitiatedUs,
+        timeToResponseCompletedUs
+    };
+    logNetworkRequest(networkRequest);
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+const MAX_METRIC_NAME_LENGTH = 100;
+const RESERVED_AUTO_PREFIX = '_';
+const oobMetrics = [
+    FIRST_PAINT_COUNTER_NAME,
+    FIRST_CONTENTFUL_PAINT_COUNTER_NAME,
+    FIRST_INPUT_DELAY_COUNTER_NAME,
+    LARGEST_CONTENTFUL_PAINT_METRIC_NAME,
+    CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,
+    INTERACTION_TO_NEXT_PAINT_METRIC_NAME
+];
+/**
+ * Returns true if the metric is custom and does not start with reserved prefix, or if
+ * the metric is one of out of the box page load trace metrics.
+ */
+function isValidMetricName(name, traceName) {
+    if (name.length === 0 || name.length > MAX_METRIC_NAME_LENGTH) {
+        return false;
+    }
+    return ((traceName &&
+        traceName.startsWith(OOB_TRACE_PAGE_LOAD_PREFIX) &&
+        oobMetrics.indexOf(name) > -1) ||
+        !name.startsWith(RESERVED_AUTO_PREFIX));
+}
+/**
+ * Converts the provided value to an integer value to be used in case of a metric.
+ * @param providedValue Provided number value of the metric that needs to be converted to an integer.
+ *
+ * @returns Converted integer number to be set for the metric.
+ */
+function convertMetricValueToInteger(providedValue) {
+    const valueAsInteger = Math.floor(providedValue);
+    if (valueAsInteger < providedValue) {
+        consoleLogger.info(`Metric value should be an Integer, setting the value as : ${valueAsInteger}.`);
+    }
+    return valueAsInteger;
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+class Trace {
+    /**
+     * @param performanceController The performance controller running.
+     * @param name The name of the trace.
+     * @param isAuto If the trace is auto-instrumented.
+     * @param traceMeasureName The name of the measure marker in user timing specification. This field
+     * is only set when the trace is built for logging when the user directly uses the user timing
+     * api (performance.mark and performance.measure).
+     */
+    constructor(performanceController, name, isAuto = false, traceMeasureName) {
+        this.performanceController = performanceController;
+        this.name = name;
+        this.isAuto = isAuto;
+        this.state = 1 /* TraceState.UNINITIALIZED */;
+        this.customAttributes = {};
+        this.counters = {};
+        this.api = Api.getInstance();
+        this.randomId = Math.floor(Math.random() * 1000000);
+        if (!this.isAuto) {
+            this.traceStartMark = `${TRACE_START_MARK_PREFIX}-${this.randomId}-${this.name}`;
+            this.traceStopMark = `${TRACE_STOP_MARK_PREFIX}-${this.randomId}-${this.name}`;
+            this.traceMeasure =
+                traceMeasureName ||
+                    `${TRACE_MEASURE_PREFIX}-${this.randomId}-${this.name}`;
+            if (traceMeasureName) {
+                // For the case of direct user timing traces, no start stop will happen. The measure object
+                // is already available.
+                this.calculateTraceMetrics();
+            }
+        }
+    }
+    /**
+     * Starts a trace. The measurement of the duration starts at this point.
+     */
+    start() {
+        if (this.state !== 1 /* TraceState.UNINITIALIZED */) {
+            throw ERROR_FACTORY.create("trace started" /* ErrorCode.TRACE_STARTED_BEFORE */, {
+                traceName: this.name
+            });
+        }
+        this.api.mark(this.traceStartMark);
+        this.state = 2 /* TraceState.RUNNING */;
+    }
+    /**
+     * Stops the trace. The measurement of the duration of the trace stops at this point and trace
+     * is logged.
+     */
+    stop() {
+        if (this.state !== 2 /* TraceState.RUNNING */) {
+            throw ERROR_FACTORY.create("trace stopped" /* ErrorCode.TRACE_STOPPED_BEFORE */, {
+                traceName: this.name
+            });
+        }
+        this.state = 3 /* TraceState.TERMINATED */;
+        this.api.mark(this.traceStopMark);
+        this.api.measure(this.traceMeasure, this.traceStartMark, this.traceStopMark);
+        this.calculateTraceMetrics();
+        logTrace(this);
+    }
+    /**
+     * Records a trace with predetermined values. If this method is used a trace is created and logged
+     * directly. No need to use start and stop methods.
+     * @param startTime Trace start time since epoch in millisec
+     * @param duration The duration of the trace in millisec
+     * @param options An object which can optionally hold maps of custom metrics and custom attributes
+     */
+    record(startTime, duration, options) {
+        if (startTime <= 0) {
+            throw ERROR_FACTORY.create("nonpositive trace startTime" /* ErrorCode.NONPOSITIVE_TRACE_START_TIME */, {
+                traceName: this.name
+            });
+        }
+        if (duration <= 0) {
+            throw ERROR_FACTORY.create("nonpositive trace duration" /* ErrorCode.NONPOSITIVE_TRACE_DURATION */, {
+                traceName: this.name
+            });
+        }
+        this.durationUs = Math.floor(duration * 1000);
+        this.startTimeUs = Math.floor(startTime * 1000);
+        if (options && options.attributes) {
+            this.customAttributes = { ...options.attributes };
+        }
+        if (options && options.metrics) {
+            for (const metricName of Object.keys(options.metrics)) {
+                if (!isNaN(Number(options.metrics[metricName]))) {
+                    this.counters[metricName] = Math.floor(Number(options.metrics[metricName]));
+                }
+            }
+        }
+        logTrace(this);
+    }
+    /**
+     * Increments a custom metric by a certain number or 1 if number not specified. Will create a new
+     * custom metric if one with the given name does not exist. The value will be floored down to an
+     * integer.
+     * @param counter Name of the custom metric
+     * @param numAsInteger Increment by value
+     */
+    incrementMetric(counter, numAsInteger = 1) {
+        if (this.counters[counter] === undefined) {
+            this.putMetric(counter, numAsInteger);
+        }
+        else {
+            this.putMetric(counter, this.counters[counter] + numAsInteger);
+        }
+    }
+    /**
+     * Sets a custom metric to a specified value. Will create a new custom metric if one with the
+     * given name does not exist. The value will be floored down to an integer.
+     * @param counter Name of the custom metric
+     * @param numAsInteger Set custom metric to this value
+     */
+    putMetric(counter, numAsInteger) {
+        if (isValidMetricName(counter, this.name)) {
+            this.counters[counter] = convertMetricValueToInteger(numAsInteger ?? 0);
+        }
+        else {
+            throw ERROR_FACTORY.create("invalid custom metric name" /* ErrorCode.INVALID_CUSTOM_METRIC_NAME */, {
+                customMetricName: counter
+            });
+        }
+    }
+    /**
+     * Returns the value of the custom metric by that name. If a custom metric with that name does
+     * not exist will return zero.
+     * @param counter
+     */
+    getMetric(counter) {
+        return this.counters[counter] || 0;
+    }
+    /**
+     * Sets a custom attribute of a trace to a certain value.
+     * @param attr
+     * @param value
+     */
+    putAttribute(attr, value) {
+        const isValidName = isValidCustomAttributeName(attr);
+        const isValidValue = isValidCustomAttributeValue(value);
+        if (isValidName && isValidValue) {
+            this.customAttributes[attr] = value;
+            return;
+        }
+        // Throw appropriate error when the attribute name or value is invalid.
+        if (!isValidName) {
+            throw ERROR_FACTORY.create("invalid attribute name" /* ErrorCode.INVALID_ATTRIBUTE_NAME */, {
+                attributeName: attr
+            });
+        }
+        if (!isValidValue) {
+            throw ERROR_FACTORY.create("invalid attribute value" /* ErrorCode.INVALID_ATTRIBUTE_VALUE */, {
+                attributeValue: value
+            });
+        }
+    }
+    /**
+     * Retrieves the value a custom attribute of a trace is set to.
+     * @param attr
+     */
+    getAttribute(attr) {
+        return this.customAttributes[attr];
+    }
+    removeAttribute(attr) {
+        if (this.customAttributes[attr] === undefined) {
+            return;
+        }
+        delete this.customAttributes[attr];
+    }
+    getAttributes() {
+        return { ...this.customAttributes };
+    }
+    setStartTime(startTime) {
+        this.startTimeUs = startTime;
+    }
+    setDuration(duration) {
+        this.durationUs = duration;
+    }
+    /**
+     * Calculates and assigns the duration and start time of the trace using the measure performance
+     * entry.
+     */
+    calculateTraceMetrics() {
+        const perfMeasureEntries = this.api.getEntriesByName(this.traceMeasure);
+        const perfMeasureEntry = perfMeasureEntries && perfMeasureEntries[0];
+        if (perfMeasureEntry) {
+            this.durationUs = Math.floor(perfMeasureEntry.duration * 1000);
+            this.startTimeUs = Math.floor((perfMeasureEntry.startTime + this.api.getTimeOrigin()) * 1000);
+        }
+    }
+    /**
+     * @param navigationTimings A single element array which contains the navigationTIming object of
+     * the page load
+     * @param paintTimings A array which contains paintTiming object of the page load
+     * @param firstInputDelay First input delay in millisec
+     */
+    static createOobTrace(performanceController, navigationTimings, paintTimings, webVitalMetrics, firstInputDelay) {
+        const route = Api.getInstance().getUrl();
+        if (!route) {
+            return;
+        }
+        const trace = new Trace(performanceController, OOB_TRACE_PAGE_LOAD_PREFIX + route, true);
+        const timeOriginUs = Math.floor(Api.getInstance().getTimeOrigin() * 1000);
+        trace.setStartTime(timeOriginUs);
+        // navigationTimings includes only one element.
+        if (navigationTimings && navigationTimings[0]) {
+            trace.setDuration(Math.floor(navigationTimings[0].duration * 1000));
+            trace.putMetric('domInteractive', Math.floor(navigationTimings[0].domInteractive * 1000));
+            trace.putMetric('domContentLoadedEventEnd', Math.floor(navigationTimings[0].domContentLoadedEventEnd * 1000));
+            trace.putMetric('loadEventEnd', Math.floor(navigationTimings[0].loadEventEnd * 1000));
+        }
+        const FIRST_PAINT = 'first-paint';
+        const FIRST_CONTENTFUL_PAINT = 'first-contentful-paint';
+        if (paintTimings) {
+            const firstPaint = paintTimings.find(paintObject => paintObject.name === FIRST_PAINT);
+            if (firstPaint && firstPaint.startTime) {
+                trace.putMetric(FIRST_PAINT_COUNTER_NAME, Math.floor(firstPaint.startTime * 1000));
+            }
+            const firstContentfulPaint = paintTimings.find(paintObject => paintObject.name === FIRST_CONTENTFUL_PAINT);
+            if (firstContentfulPaint && firstContentfulPaint.startTime) {
+                trace.putMetric(FIRST_CONTENTFUL_PAINT_COUNTER_NAME, Math.floor(firstContentfulPaint.startTime * 1000));
+            }
+            if (firstInputDelay) {
+                trace.putMetric(FIRST_INPUT_DELAY_COUNTER_NAME, Math.floor(firstInputDelay * 1000));
+            }
+        }
+        this.addWebVitalMetric(trace, LARGEST_CONTENTFUL_PAINT_METRIC_NAME, LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME, webVitalMetrics.lcp);
+        this.addWebVitalMetric(trace, CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME, CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME, webVitalMetrics.cls);
+        this.addWebVitalMetric(trace, INTERACTION_TO_NEXT_PAINT_METRIC_NAME, INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME, webVitalMetrics.inp);
+        // Page load logs are sent at unload time and so should be logged and
+        // flushed immediately.
+        logTrace(trace);
+        flushLogs();
+    }
+    static addWebVitalMetric(trace, metricKey, attributeKey, metric) {
+        if (metric) {
+            trace.putMetric(metricKey, Math.floor(metric.value * 1000));
+            if (metric.elementAttribution) {
+                if (metric.elementAttribution.length > MAX_ATTRIBUTE_VALUE_LENGTH) {
+                    trace.putAttribute(attributeKey, metric.elementAttribution.substring(0, MAX_ATTRIBUTE_VALUE_LENGTH));
+                }
+                else {
+                    trace.putAttribute(attributeKey, metric.elementAttribution);
+                }
+            }
+        }
+    }
+    static createUserTimingTrace(performanceController, measureName) {
+        const trace = new Trace(performanceController, measureName, false, measureName);
+        logTrace(trace);
+    }
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+let webVitalMetrics = {};
+let sentPageLoadTrace = false;
+let firstInputDelay;
+function setupOobResources(performanceController) {
+    // Do not initialize unless iid is available.
+    if (!getIid()) {
+        return;
+    }
+    // The load event might not have fired yet, and that means performance
+    // navigation timing object has a duration of 0. The setup should run after
+    // all current tasks in js queue.
+    setTimeout(() => setupOobTraces(performanceController), 0);
+    setTimeout(() => setupNetworkRequests(performanceController), 0);
+    setTimeout(() => setupUserTimingTraces(performanceController), 0);
+}
+function setupNetworkRequests(performanceController) {
+    const api = Api.getInstance();
+    const resources = api.getEntriesByType('resource');
+    for (const resource of resources) {
+        createNetworkRequestEntry(performanceController, resource);
+    }
+    api.setupObserver('resource', entry => createNetworkRequestEntry(performanceController, entry));
+}
+function setupOobTraces(performanceController) {
+    const api = Api.getInstance();
+    // Better support for Safari
+    if ('onpagehide' in window) {
+        api.document.addEventListener('pagehide', () => sendOobTrace(performanceController));
+    }
+    else {
+        api.document.addEventListener('unload', () => sendOobTrace(performanceController));
+    }
+    api.document.addEventListener('visibilitychange', () => {
+        if (api.document.visibilityState === 'hidden') {
+            sendOobTrace(performanceController);
+        }
+    });
+    if (api.onFirstInputDelay) {
+        api.onFirstInputDelay((fid) => {
+            firstInputDelay = fid;
+        });
+    }
+    api.onLCP((metric) => {
+        webVitalMetrics.lcp = {
+            value: metric.value,
+            elementAttribution: metric.attribution?.element
+        };
+    });
+    api.onCLS((metric) => {
+        webVitalMetrics.cls = {
+            value: metric.value,
+            elementAttribution: metric.attribution?.largestShiftTarget
+        };
+    });
+    api.onINP((metric) => {
+        webVitalMetrics.inp = {
+            value: metric.value,
+            elementAttribution: metric.attribution?.interactionTarget
+        };
+    });
+}
+function setupUserTimingTraces(performanceController) {
+    const api = Api.getInstance();
+    // Run through the measure performance entries collected up to this point.
+    const measures = api.getEntriesByType('measure');
+    for (const measure of measures) {
+        createUserTimingTrace(performanceController, measure);
+    }
+    // Setup an observer to capture the measures from this point on.
+    api.setupObserver('measure', entry => createUserTimingTrace(performanceController, entry));
+}
+function createUserTimingTrace(performanceController, measure) {
+    const measureName = measure.name;
+    // Do not create a trace, if the user timing marks and measures are created by
+    // the sdk itself.
+    if (measureName.substring(0, TRACE_MEASURE_PREFIX.length) ===
+        TRACE_MEASURE_PREFIX) {
+        return;
+    }
+    Trace.createUserTimingTrace(performanceController, measureName);
+}
+function sendOobTrace(performanceController) {
+    if (!sentPageLoadTrace) {
+        sentPageLoadTrace = true;
+        const api = Api.getInstance();
+        const navigationTimings = api.getEntriesByType('navigation');
+        const paintTimings = api.getEntriesByType('paint');
+        // On page unload web vitals may be updated so queue the oob trace creation
+        // so that these updates have time to be included.
+        setTimeout(() => {
+            Trace.createOobTrace(performanceController, navigationTimings, paintTimings, webVitalMetrics, firstInputDelay);
+        }, 0);
+    }
+}
+
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+class PerformanceController {
+    constructor(app, installations) {
+        this.app = app;
+        this.installations = installations;
+        this.initialized = false;
+    }
+    /**
+     * This method *must* be called internally as part of creating a
+     * PerformanceController instance.
+     *
+     * Currently it's not possible to pass the settings object through the
+     * constructor using Components, so this method exists to be called with the
+     * desired settings, to ensure nothing is collected without the user's
+     * consent.
+     */
+    _init(settings) {
+        if (this.initialized) {
+            return;
+        }
+        if (settings?.dataCollectionEnabled !== undefined) {
+            this.dataCollectionEnabled = settings.dataCollectionEnabled;
+        }
+        if (settings?.instrumentationEnabled !== undefined) {
+            this.instrumentationEnabled = settings.instrumentationEnabled;
+        }
+        if (Api.getInstance().requiredApisAvailable()) {
+            util.validateIndexedDBOpenable()
+                .then(isAvailable => {
+                if (isAvailable) {
+                    setupTransportService();
+                    getInitializationPromise(this).then(() => setupOobResources(this), () => setupOobResources(this));
+                    this.initialized = true;
+                }
+            })
+                .catch(error => {
+                consoleLogger.info(`Environment doesn't support IndexedDB: ${error}`);
+            });
+        }
+        else {
+            consoleLogger.info('Firebase Performance cannot start if the browser does not support ' +
+                '"Fetch" and "Promise", or cookies are disabled.');
+        }
+    }
+    set instrumentationEnabled(val) {
+        SettingsService.getInstance().instrumentationEnabled = val;
+    }
+    get instrumentationEnabled() {
+        return SettingsService.getInstance().instrumentationEnabled;
+    }
+    set dataCollectionEnabled(val) {
+        SettingsService.getInstance().dataCollectionEnabled = val;
+    }
+    get dataCollectionEnabled() {
+        return SettingsService.getInstance().dataCollectionEnabled;
+    }
+}
+
+/**
+ * The Firebase Performance Monitoring Web SDK.
+ * This SDK does not work in a Node.js environment.
+ *
+ * @packageDocumentation
+ */
+const DEFAULT_ENTRY_NAME = '[DEFAULT]';
+/**
+ * Returns a {@link FirebasePerformance} instance for the given app.
+ * @param app - The {@link @firebase/app#FirebaseApp} to use.
+ * @public
+ */
+function getPerformance(app$1 = app.getApp()) {
+    app$1 = util.getModularInstance(app$1);
+    const provider = app._getProvider(app$1, 'performance');
+    const perfInstance = provider.getImmediate();
+    return perfInstance;
+}
+/**
+ * Returns a {@link FirebasePerformance} instance for the given app. Can only be called once.
+ * @param app - The {@link @firebase/app#FirebaseApp} to use.
+ * @param settings - Optional settings for the {@link FirebasePerformance} instance.
+ * @public
+ */
+function initializePerformance(app$1, settings) {
+    app$1 = util.getModularInstance(app$1);
+    const provider = app._getProvider(app$1, 'performance');
+    // throw if an instance was already created.
+    // It could happen if initializePerformance() is called more than once, or getPerformance() is called first.
+    if (provider.isInitialized()) {
+        const existingInstance = provider.getImmediate();
+        const initialSettings = provider.getOptions();
+        if (util.deepEqual(initialSettings, settings ?? {})) {
+            return existingInstance;
+        }
+        else {
+            throw ERROR_FACTORY.create("already initialized" /* ErrorCode.ALREADY_INITIALIZED */);
+        }
+    }
+    const perfInstance = provider.initialize({
+        options: settings
+    });
+    return perfInstance;
+}
+/**
+ * Returns a new `PerformanceTrace` instance.
+ * @param performance - The {@link FirebasePerformance} instance to use.
+ * @param name - The name of the trace.
+ * @public
+ */
+function trace(performance, name) {
+    performance = util.getModularInstance(performance);
+    return new Trace(performance, name);
+}
+const factory = (container, { options: settings }) => {
+    // Dependencies
+    const app = container.getProvider('app').getImmediate();
+    const installations = container
+        .getProvider('installations-internal')
+        .getImmediate();
+    if (app.name !== DEFAULT_ENTRY_NAME) {
+        throw ERROR_FACTORY.create("FB not default" /* ErrorCode.FB_NOT_DEFAULT */);
+    }
+    if (typeof window === 'undefined') {
+        throw ERROR_FACTORY.create("no window" /* ErrorCode.NO_WINDOW */);
+    }
+    setupApi(window);
+    const perfInstance = new PerformanceController(app, installations);
+    perfInstance._init(settings);
+    return perfInstance;
+};
+function registerPerformance() {
+    app._registerComponent(new component.Component('performance', factory, "PUBLIC" /* ComponentType.PUBLIC */));
+    app.registerVersion(name, version);
+    // BUILD_TARGET will be replaced by values like esm, cjs, etc during the compilation
+    app.registerVersion(name, version, 'cjs2020');
+}
+registerPerformance();
+
+exports.getPerformance = getPerformance;
+exports.initializePerformance = initializePerformance;
+exports.trace = trace;
+//# sourceMappingURL=index.cjs.js.map
diff --git a/frontend-old/node_modules/@firebase/performance/dist/index.cjs.js.map b/frontend-old/node_modules/@firebase/performance/dist/index.cjs.js.map
new file mode 100644
index 0000000..1844044
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/index.cjs.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.cjs.js","sources":["../src/constants.ts","../src/utils/errors.ts","../src/utils/console_logger.ts","../src/services/api_service.ts","../src/services/iid_service.ts","../src/utils/string_merger.ts","../src/services/settings_service.ts","../src/utils/attributes_utils.ts","../src/utils/app_utils.ts","../src/services/remote_config_service.ts","../src/services/initialization_service.ts","../src/services/transport_service.ts","../src/services/perf_logger.ts","../src/resources/network_request.ts","../src/utils/metric_utils.ts","../src/resources/trace.ts","../src/services/oob_resources_service.ts","../src/controllers/perf.ts","../src/index.ts"],"sourcesContent":["/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { version } from '../package.json';\n\nexport const SDK_VERSION = version;\n/** The prefix for start User Timing marks used for creating Traces. */\nexport const TRACE_START_MARK_PREFIX = 'FB-PERF-TRACE-START';\n/** The prefix for stop User Timing marks used for creating Traces. */\nexport const TRACE_STOP_MARK_PREFIX = 'FB-PERF-TRACE-STOP';\n/** The prefix for User Timing measure used for creating Traces. */\nexport const TRACE_MEASURE_PREFIX = 'FB-PERF-TRACE-MEASURE';\n/** The prefix for out of the box page load Trace name. */\nexport const OOB_TRACE_PAGE_LOAD_PREFIX = '_wt_';\n\nexport const FIRST_PAINT_COUNTER_NAME = '_fp';\n\nexport const FIRST_CONTENTFUL_PAINT_COUNTER_NAME = '_fcp';\n\nexport const FIRST_INPUT_DELAY_COUNTER_NAME = '_fid';\n\nexport const LARGEST_CONTENTFUL_PAINT_METRIC_NAME = '_lcp';\nexport const LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME = 'lcp_element';\n\nexport const INTERACTION_TO_NEXT_PAINT_METRIC_NAME = '_inp';\nexport const INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME = 'inp_interactionTarget';\n\nexport const CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME = '_cls';\nexport const CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME = 'cls_largestShiftTarget';\n\nexport const CONFIG_LOCAL_STORAGE_KEY = '@firebase/performance/config';\n\nexport const CONFIG_EXPIRY_LOCAL_STORAGE_KEY =\n  '@firebase/performance/configexpire';\n\nexport const SERVICE = 'performance';\nexport const SERVICE_NAME = 'Performance';\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ErrorFactory } from '@firebase/util';\nimport { SERVICE, SERVICE_NAME } from '../constants';\n\nexport const enum ErrorCode {\n  TRACE_STARTED_BEFORE = 'trace started',\n  TRACE_STOPPED_BEFORE = 'trace stopped',\n  NONPOSITIVE_TRACE_START_TIME = 'nonpositive trace startTime',\n  NONPOSITIVE_TRACE_DURATION = 'nonpositive trace duration',\n  NO_WINDOW = 'no window',\n  NO_APP_ID = 'no app id',\n  NO_PROJECT_ID = 'no project id',\n  NO_API_KEY = 'no api key',\n  INVALID_CC_LOG = 'invalid cc log',\n  FB_NOT_DEFAULT = 'FB not default',\n  RC_NOT_OK = 'RC response not ok',\n  INVALID_ATTRIBUTE_NAME = 'invalid attribute name',\n  INVALID_ATTRIBUTE_VALUE = 'invalid attribute value',\n  INVALID_CUSTOM_METRIC_NAME = 'invalid custom metric name',\n  INVALID_STRING_MERGER_PARAMETER = 'invalid String merger input',\n  ALREADY_INITIALIZED = 'already initialized'\n}\n\nconst ERROR_DESCRIPTION_MAP: { readonly [key in ErrorCode]: string } = {\n  [ErrorCode.TRACE_STARTED_BEFORE]: 'Trace {$traceName} was started before.',\n  [ErrorCode.TRACE_STOPPED_BEFORE]: 'Trace {$traceName} is not running.',\n  [ErrorCode.NONPOSITIVE_TRACE_START_TIME]:\n    'Trace {$traceName} startTime should be positive.',\n  [ErrorCode.NONPOSITIVE_TRACE_DURATION]:\n    'Trace {$traceName} duration should be positive.',\n  [ErrorCode.NO_WINDOW]: 'Window is not available.',\n  [ErrorCode.NO_APP_ID]: 'App id is not available.',\n  [ErrorCode.NO_PROJECT_ID]: 'Project id is not available.',\n  [ErrorCode.NO_API_KEY]: 'Api key is not available.',\n  [ErrorCode.INVALID_CC_LOG]: 'Attempted to queue invalid cc event',\n  [ErrorCode.FB_NOT_DEFAULT]:\n    'Performance can only start when Firebase app instance is the default one.',\n  [ErrorCode.RC_NOT_OK]: 'RC response is not ok',\n  [ErrorCode.INVALID_ATTRIBUTE_NAME]:\n    'Attribute name {$attributeName} is invalid.',\n  [ErrorCode.INVALID_ATTRIBUTE_VALUE]:\n    'Attribute value {$attributeValue} is invalid.',\n  [ErrorCode.INVALID_CUSTOM_METRIC_NAME]:\n    'Custom metric name {$customMetricName} is invalid',\n  [ErrorCode.INVALID_STRING_MERGER_PARAMETER]:\n    'Input for String merger is invalid, contact support team to resolve.',\n  [ErrorCode.ALREADY_INITIALIZED]:\n    'initializePerformance() has already been called with ' +\n    'different options. To avoid this error, call initializePerformance() with the ' +\n    'same options as when it was originally called, or call getPerformance() to return the' +\n    ' already initialized instance.'\n};\n\ninterface ErrorParams {\n  [ErrorCode.TRACE_STARTED_BEFORE]: { traceName: string };\n  [ErrorCode.TRACE_STOPPED_BEFORE]: { traceName: string };\n  [ErrorCode.NONPOSITIVE_TRACE_START_TIME]: { traceName: string };\n  [ErrorCode.NONPOSITIVE_TRACE_DURATION]: { traceName: string };\n  [ErrorCode.INVALID_ATTRIBUTE_NAME]: { attributeName: string };\n  [ErrorCode.INVALID_ATTRIBUTE_VALUE]: { attributeValue: string };\n  [ErrorCode.INVALID_CUSTOM_METRIC_NAME]: { customMetricName: string };\n}\n\nexport const ERROR_FACTORY = new ErrorFactory<ErrorCode, ErrorParams>(\n  SERVICE,\n  SERVICE_NAME,\n  ERROR_DESCRIPTION_MAP\n);\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Logger, LogLevel } from '@firebase/logger';\nimport { SERVICE_NAME } from '../constants';\n\nexport const consoleLogger = new Logger(SERVICE_NAME);\nconsoleLogger.logLevel = LogLevel.INFO;\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\nimport { isIndexedDBAvailable, areCookiesEnabled } from '@firebase/util';\nimport { consoleLogger } from '../utils/console_logger';\nimport {\n  CLSMetricWithAttribution,\n  INPMetricWithAttribution,\n  LCPMetricWithAttribution,\n  onCLS as vitalsOnCLS,\n  onINP as vitalsOnINP,\n  onLCP as vitalsOnLCP\n} from 'web-vitals/attribution';\n\ndeclare global {\n  interface Window {\n    PerformanceObserver: typeof PerformanceObserver;\n    perfMetrics?: { onFirstInputDelay(fn: (fid: number) => void): void };\n  }\n}\n\nlet apiInstance: Api | undefined;\nlet windowInstance: Window | undefined;\n\nexport type EntryType =\n  | 'mark'\n  | 'measure'\n  | 'paint'\n  | 'resource'\n  | 'frame'\n  | 'navigation';\n\n/**\n * This class holds a reference to various browser related objects injected by\n * set methods.\n */\nexport class Api {\n  private readonly performance: Performance;\n  /** PerformanceObserver constructor function. */\n  private readonly PerformanceObserver: typeof PerformanceObserver;\n  private readonly windowLocation: Location;\n  readonly onFirstInputDelay?: (fn: (fid: number) => void) => void;\n  readonly onLCP: (fn: (metric: LCPMetricWithAttribution) => void) => void;\n  readonly onINP: (fn: (metric: INPMetricWithAttribution) => void) => void;\n  readonly onCLS: (fn: (metric: CLSMetricWithAttribution) => void) => void;\n  readonly localStorage?: Storage;\n  readonly document: Document;\n  readonly navigator: Navigator;\n\n  constructor(readonly window?: Window) {\n    if (!window) {\n      throw ERROR_FACTORY.create(ErrorCode.NO_WINDOW);\n    }\n    this.performance = window.performance;\n    this.PerformanceObserver = window.PerformanceObserver;\n    this.windowLocation = window.location;\n    this.navigator = window.navigator;\n    this.document = window.document;\n    if (this.navigator && this.navigator.cookieEnabled) {\n      // If user blocks cookies on the browser, accessing localStorage will\n      // throw an exception.\n      this.localStorage = window.localStorage;\n    }\n    if (window.perfMetrics && window.perfMetrics.onFirstInputDelay) {\n      this.onFirstInputDelay = window.perfMetrics.onFirstInputDelay;\n    }\n    this.onLCP = vitalsOnLCP;\n    this.onINP = vitalsOnINP;\n    this.onCLS = vitalsOnCLS;\n  }\n\n  getUrl(): string {\n    // Do not capture the string query part of url.\n    return this.windowLocation.href.split('?')[0];\n  }\n\n  mark(name: string): void {\n    if (!this.performance || !this.performance.mark) {\n      return;\n    }\n    this.performance.mark(name);\n  }\n\n  measure(measureName: string, mark1: string, mark2: string): void {\n    if (!this.performance || !this.performance.measure) {\n      return;\n    }\n    this.performance.measure(measureName, mark1, mark2);\n  }\n\n  getEntriesByType(type: EntryType): PerformanceEntry[] {\n    if (!this.performance || !this.performance.getEntriesByType) {\n      return [];\n    }\n    return this.performance.getEntriesByType(type);\n  }\n\n  getEntriesByName(name: string): PerformanceEntry[] {\n    if (!this.performance || !this.performance.getEntriesByName) {\n      return [];\n    }\n    return this.performance.getEntriesByName(name);\n  }\n\n  getTimeOrigin(): number {\n    // Polyfill the time origin with performance.timing.navigationStart.\n    return (\n      this.performance &&\n      (this.performance.timeOrigin || this.performance.timing.navigationStart)\n    );\n  }\n\n  requiredApisAvailable(): boolean {\n    if (!fetch || !Promise || !areCookiesEnabled()) {\n      consoleLogger.info(\n        'Firebase Performance cannot start if browser does not support fetch and Promise or cookie is disabled.'\n      );\n      return false;\n    }\n\n    if (!isIndexedDBAvailable()) {\n      consoleLogger.info('IndexedDB is not supported by current browser');\n      return false;\n    }\n    return true;\n  }\n\n  setupObserver(\n    entryType: EntryType,\n    callback: (entry: PerformanceEntry) => void\n  ): void {\n    if (!this.PerformanceObserver) {\n      return;\n    }\n    const observer = new this.PerformanceObserver(list => {\n      for (const entry of list.getEntries()) {\n        // `entry` is a PerformanceEntry instance.\n        callback(entry);\n      }\n    });\n\n    // Start observing the entry types you care about.\n    observer.observe({ entryTypes: [entryType] });\n  }\n\n  static getInstance(): Api {\n    if (apiInstance === undefined) {\n      apiInstance = new Api(windowInstance);\n    }\n    return apiInstance;\n  }\n}\n\nexport function setupApi(window: Window): void {\n  windowInstance = window;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { _FirebaseInstallationsInternal } from '@firebase/installations';\n\nlet iid: string | undefined;\nlet authToken: string | undefined;\n\nexport function getIidPromise(\n  installationsService: _FirebaseInstallationsInternal\n): Promise<string> {\n  const iidPromise = installationsService.getId();\n  // eslint-disable-next-line @typescript-eslint/no-floating-promises\n  iidPromise.then((iidVal: string) => {\n    iid = iidVal;\n  });\n  return iidPromise;\n}\n\n// This method should be used after the iid is retrieved by getIidPromise method.\nexport function getIid(): string | undefined {\n  return iid;\n}\n\nexport function getAuthTokenPromise(\n  installationsService: _FirebaseInstallationsInternal\n): Promise<string> {\n  const authTokenPromise = installationsService.getToken();\n  // eslint-disable-next-line @typescript-eslint/no-floating-promises\n  authTokenPromise.then((authTokenVal: string) => {\n    authToken = authTokenVal;\n  });\n  return authTokenPromise;\n}\n\nexport function getAuthenticationToken(): string | undefined {\n  return authToken;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ERROR_FACTORY, ErrorCode } from './errors';\n\nexport function mergeStrings(part1: string, part2: string): string {\n  const sizeDiff = part1.length - part2.length;\n  if (sizeDiff < 0 || sizeDiff > 1) {\n    throw ERROR_FACTORY.create(ErrorCode.INVALID_STRING_MERGER_PARAMETER);\n  }\n\n  const resultArray = [];\n  for (let i = 0; i < part1.length; i++) {\n    resultArray.push(part1.charAt(i));\n    if (part2.length > i) {\n      resultArray.push(part2.charAt(i));\n    }\n  }\n\n  return resultArray.join('');\n}\n","/**\n * @license\n * Copyright 2019 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { mergeStrings } from '../utils/string_merger';\n\nlet settingsServiceInstance: SettingsService | undefined;\n\nexport class SettingsService {\n  // The variable which controls logging of automatic traces and HTTP/S network monitoring.\n  instrumentationEnabled = true;\n\n  // The variable which controls logging of custom traces.\n  dataCollectionEnabled = true;\n\n  // Configuration flags set through remote config.\n  loggingEnabled = false;\n  // Sampling rate between 0 and 1.\n  tracesSamplingRate = 1;\n  networkRequestsSamplingRate = 1;\n\n  // Address of logging service.\n  logEndPointUrl =\n    'https://firebaselogging.googleapis.com/v0cc/log?format=json_proto';\n  // Performance event transport endpoint URL which should be compatible with proto3.\n  // New Address for transport service, not configurable via Remote Config.\n  flTransportEndpointUrl = mergeStrings(\n    'hts/frbslgigp.ogepscmv/ieo/eaylg',\n    'tp:/ieaeogn-agolai.o/1frlglgc/o'\n  );\n\n  transportKey = mergeStrings('AzSC8r6ReiGqFMyfvgow', 'Iayx0u-XT3vksVM-pIV');\n\n  // Source type for performance event logs.\n  logSource = 462;\n\n  // Flags which control per session logging of traces and network requests.\n  logTraceAfterSampling = false;\n  logNetworkAfterSampling = false;\n\n  // TTL of config retrieved from remote config in hours.\n  configTimeToLive = 12;\n\n  // The max number of events to send during a flush. This number is kept low to since Chrome has a\n  // shared payload limit for all sendBeacon calls in the same nav context.\n  logMaxFlushSize = 40;\n\n  getFlTransportFullUrl(): string {\n    return this.flTransportEndpointUrl.concat('?key=', this.transportKey);\n  }\n\n  static getInstance(): SettingsService {\n    if (settingsServiceInstance === undefined) {\n      settingsServiceInstance = new SettingsService();\n    }\n    return settingsServiceInstance;\n  }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Api } from '../services/api_service';\n\n// The values and orders of the following enums should not be changed.\nconst enum ServiceWorkerStatus {\n  UNKNOWN = 0,\n  UNSUPPORTED = 1,\n  CONTROLLED = 2,\n  UNCONTROLLED = 3\n}\n\nexport enum VisibilityState {\n  UNKNOWN = 0,\n  VISIBLE = 1,\n  HIDDEN = 2\n}\n\nconst enum EffectiveConnectionType {\n  UNKNOWN = 0,\n  CONNECTION_SLOW_2G = 1,\n  CONNECTION_2G = 2,\n  CONNECTION_3G = 3,\n  CONNECTION_4G = 4\n}\n\ntype ConnectionType =\n  | 'bluetooth'\n  | 'cellular'\n  | 'ethernet'\n  | 'mixed'\n  | 'none'\n  | 'other'\n  | 'unknown'\n  | 'wifi';\n\n/**\n * NetworkInformation\n * This API is not well supported in all major browsers, so TypeScript does not provide types for it.\n *\n * ref: https://developer.mozilla.org/en-US/docs/Web/API/NetworkInformation\n */\ninterface NetworkInformation extends EventTarget {\n  readonly type: ConnectionType;\n}\n\ninterface NetworkInformationWithEffectiveType extends NetworkInformation {\n  readonly effectiveType?: 'slow-2g' | '2g' | '3g' | '4g';\n}\n\ninterface NavigatorWithConnection extends Navigator {\n  readonly connection: NetworkInformationWithEffectiveType;\n}\n\nconst RESERVED_ATTRIBUTE_PREFIXES = ['firebase_', 'google_', 'ga_'];\nconst ATTRIBUTE_FORMAT_REGEX = new RegExp('^[a-zA-Z]\\\\w*$');\nconst MAX_ATTRIBUTE_NAME_LENGTH = 40;\nexport const MAX_ATTRIBUTE_VALUE_LENGTH = 100;\n\nexport function getServiceWorkerStatus(): ServiceWorkerStatus {\n  const navigator = Api.getInstance().navigator;\n  if (navigator?.serviceWorker) {\n    if (navigator.serviceWorker.controller) {\n      return ServiceWorkerStatus.CONTROLLED;\n    } else {\n      return ServiceWorkerStatus.UNCONTROLLED;\n    }\n  } else {\n    return ServiceWorkerStatus.UNSUPPORTED;\n  }\n}\n\nexport function getVisibilityState(): VisibilityState {\n  const document = Api.getInstance().document;\n  const visibilityState = document.visibilityState;\n  switch (visibilityState) {\n    case 'visible':\n      return VisibilityState.VISIBLE;\n    case 'hidden':\n      return VisibilityState.HIDDEN;\n    default:\n      return VisibilityState.UNKNOWN;\n  }\n}\n\nexport function getEffectiveConnectionType(): EffectiveConnectionType {\n  const navigator = Api.getInstance().navigator;\n  const navigatorConnection = (navigator as NavigatorWithConnection).connection;\n  const effectiveType =\n    navigatorConnection && navigatorConnection.effectiveType;\n  switch (effectiveType) {\n    case 'slow-2g':\n      return EffectiveConnectionType.CONNECTION_SLOW_2G;\n    case '2g':\n      return EffectiveConnectionType.CONNECTION_2G;\n    case '3g':\n      return EffectiveConnectionType.CONNECTION_3G;\n    case '4g':\n      return EffectiveConnectionType.CONNECTION_4G;\n    default:\n      return EffectiveConnectionType.UNKNOWN;\n  }\n}\n\nexport function isValidCustomAttributeName(name: string): boolean {\n  if (name.length === 0 || name.length > MAX_ATTRIBUTE_NAME_LENGTH) {\n    return false;\n  }\n  const matchesReservedPrefix = RESERVED_ATTRIBUTE_PREFIXES.some(prefix =>\n    name.startsWith(prefix)\n  );\n  return !matchesReservedPrefix && !!name.match(ATTRIBUTE_FORMAT_REGEX);\n}\n\nexport function isValidCustomAttributeValue(value: string): boolean {\n  return value.length !== 0 && value.length <= MAX_ATTRIBUTE_VALUE_LENGTH;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { ERROR_FACTORY, ErrorCode } from './errors';\nimport { FirebaseApp } from '@firebase/app';\n\nexport function getAppId(firebaseApp: FirebaseApp): string {\n  const appId = firebaseApp.options?.appId;\n  if (!appId) {\n    throw ERROR_FACTORY.create(ErrorCode.NO_APP_ID);\n  }\n  return appId;\n}\n\nexport function getProjectId(firebaseApp: FirebaseApp): string {\n  const projectId = firebaseApp.options?.projectId;\n  if (!projectId) {\n    throw ERROR_FACTORY.create(ErrorCode.NO_PROJECT_ID);\n  }\n  return projectId;\n}\n\nexport function getApiKey(firebaseApp: FirebaseApp): string {\n  const apiKey = firebaseApp.options?.apiKey;\n  if (!apiKey) {\n    throw ERROR_FACTORY.create(ErrorCode.NO_API_KEY);\n  }\n  return apiKey;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  CONFIG_EXPIRY_LOCAL_STORAGE_KEY,\n  CONFIG_LOCAL_STORAGE_KEY,\n  SDK_VERSION\n} from '../constants';\nimport { consoleLogger } from '../utils/console_logger';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\n\nimport { Api } from './api_service';\nimport { getAuthTokenPromise } from './iid_service';\nimport { SettingsService } from './settings_service';\nimport { PerformanceController } from '../controllers/perf';\nimport { getProjectId, getApiKey, getAppId } from '../utils/app_utils';\n\nconst REMOTE_CONFIG_SDK_VERSION = '0.0.1';\n\ninterface SecondaryConfig {\n  loggingEnabled?: boolean;\n  logSource?: number;\n  logEndPointUrl?: string;\n  transportKey?: string;\n  tracesSamplingRate?: number;\n  networkRequestsSamplingRate?: number;\n  logMaxFlushSize?: number;\n}\n\n// These values will be used if the remote config object is successfully\n// retrieved, but the template does not have these fields.\nconst DEFAULT_CONFIGS: SecondaryConfig = {\n  loggingEnabled: true\n};\n\n/* eslint-disable camelcase */\ninterface RemoteConfigTemplate {\n  fpr_enabled?: string;\n  fpr_log_source?: string;\n  fpr_log_endpoint_url?: string;\n  fpr_log_transport_key?: string;\n  fpr_log_transport_web_percent?: string;\n  fpr_vc_network_request_sampling_rate?: string;\n  fpr_vc_trace_sampling_rate?: string;\n  fpr_vc_session_sampling_rate?: string;\n  fpr_log_max_flush_size?: string;\n}\n/* eslint-enable camelcase */\n\ninterface RemoteConfigResponse {\n  entries?: RemoteConfigTemplate;\n  state?: string;\n}\n\nconst FIS_AUTH_PREFIX = 'FIREBASE_INSTALLATIONS_AUTH';\n\nexport function getConfig(\n  performanceController: PerformanceController,\n  iid: string\n): Promise<void> {\n  const config = getStoredConfig();\n  if (config) {\n    processConfig(config);\n    return Promise.resolve();\n  }\n\n  return getRemoteConfig(performanceController, iid)\n    .then(processConfig)\n    .then(\n      config => storeConfig(config),\n      /** Do nothing for error, use defaults set in settings service. */\n      () => {}\n    );\n}\n\nfunction getStoredConfig(): RemoteConfigResponse | undefined {\n  const localStorage = Api.getInstance().localStorage;\n  if (!localStorage) {\n    return;\n  }\n  const expiryString = localStorage.getItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY);\n  if (!expiryString || !configValid(expiryString)) {\n    return;\n  }\n\n  const configStringified = localStorage.getItem(CONFIG_LOCAL_STORAGE_KEY);\n  if (!configStringified) {\n    return;\n  }\n  try {\n    const configResponse: RemoteConfigResponse = JSON.parse(configStringified);\n    return configResponse;\n  } catch {\n    return;\n  }\n}\n\nfunction storeConfig(config: RemoteConfigResponse | undefined): void {\n  const localStorage = Api.getInstance().localStorage;\n  if (!config || !localStorage) {\n    return;\n  }\n\n  localStorage.setItem(CONFIG_LOCAL_STORAGE_KEY, JSON.stringify(config));\n  localStorage.setItem(\n    CONFIG_EXPIRY_LOCAL_STORAGE_KEY,\n    String(\n      Date.now() +\n        SettingsService.getInstance().configTimeToLive * 60 * 60 * 1000\n    )\n  );\n}\n\nconst COULD_NOT_GET_CONFIG_MSG =\n  'Could not fetch config, will use default configs';\n\nfunction getRemoteConfig(\n  performanceController: PerformanceController,\n  iid: string\n): Promise<RemoteConfigResponse | undefined> {\n  // Perf needs auth token only to retrieve remote config.\n  return getAuthTokenPromise(performanceController.installations)\n    .then(authToken => {\n      const projectId = getProjectId(performanceController.app);\n      const apiKey = getApiKey(performanceController.app);\n      const configEndPoint = `https://firebaseremoteconfig.googleapis.com/v1/projects/${projectId}/namespaces/fireperf:fetch?key=${apiKey}`;\n      const request = new Request(configEndPoint, {\n        method: 'POST',\n        headers: { Authorization: `${FIS_AUTH_PREFIX} ${authToken}` },\n        /* eslint-disable camelcase */\n        body: JSON.stringify({\n          app_instance_id: iid,\n          app_instance_id_token: authToken,\n          app_id: getAppId(performanceController.app),\n          app_version: SDK_VERSION,\n          sdk_version: REMOTE_CONFIG_SDK_VERSION\n        })\n        /* eslint-enable camelcase */\n      });\n      return fetch(request).then(response => {\n        if (response.ok) {\n          return response.json() as RemoteConfigResponse;\n        }\n        // In case response is not ok. This will be caught by catch.\n        throw ERROR_FACTORY.create(ErrorCode.RC_NOT_OK);\n      });\n    })\n    .catch(() => {\n      consoleLogger.info(COULD_NOT_GET_CONFIG_MSG);\n      return undefined;\n    });\n}\n\n/**\n * Processes config coming either from calling RC or from local storage.\n * This method only runs if call is successful or config in storage\n * is valid.\n */\nfunction processConfig(\n  config?: RemoteConfigResponse\n): RemoteConfigResponse | undefined {\n  if (!config) {\n    return config;\n  }\n  const settingsServiceInstance = SettingsService.getInstance();\n  const entries = config.entries || {};\n  if (entries.fpr_enabled !== undefined) {\n    // TODO: Change the assignment of loggingEnabled once the received type is\n    // known.\n    settingsServiceInstance.loggingEnabled =\n      String(entries.fpr_enabled) === 'true';\n  } else if (DEFAULT_CONFIGS.loggingEnabled !== undefined) {\n    // Config retrieved successfully, but there is no fpr_enabled in template.\n    // Use secondary configs value.\n    settingsServiceInstance.loggingEnabled = DEFAULT_CONFIGS.loggingEnabled;\n  }\n  if (entries.fpr_log_source) {\n    settingsServiceInstance.logSource = Number(entries.fpr_log_source);\n  } else if (DEFAULT_CONFIGS.logSource) {\n    settingsServiceInstance.logSource = DEFAULT_CONFIGS.logSource;\n  }\n\n  if (entries.fpr_log_endpoint_url) {\n    settingsServiceInstance.logEndPointUrl = entries.fpr_log_endpoint_url;\n  } else if (DEFAULT_CONFIGS.logEndPointUrl) {\n    settingsServiceInstance.logEndPointUrl = DEFAULT_CONFIGS.logEndPointUrl;\n  }\n\n  // Key from Remote Config has to be non-empty string, otherwise use local value.\n  if (entries.fpr_log_transport_key) {\n    settingsServiceInstance.transportKey = entries.fpr_log_transport_key;\n  } else if (DEFAULT_CONFIGS.transportKey) {\n    settingsServiceInstance.transportKey = DEFAULT_CONFIGS.transportKey;\n  }\n\n  if (entries.fpr_vc_network_request_sampling_rate !== undefined) {\n    settingsServiceInstance.networkRequestsSamplingRate = Number(\n      entries.fpr_vc_network_request_sampling_rate\n    );\n  } else if (DEFAULT_CONFIGS.networkRequestsSamplingRate !== undefined) {\n    settingsServiceInstance.networkRequestsSamplingRate =\n      DEFAULT_CONFIGS.networkRequestsSamplingRate;\n  }\n  if (entries.fpr_vc_trace_sampling_rate !== undefined) {\n    settingsServiceInstance.tracesSamplingRate = Number(\n      entries.fpr_vc_trace_sampling_rate\n    );\n  } else if (DEFAULT_CONFIGS.tracesSamplingRate !== undefined) {\n    settingsServiceInstance.tracesSamplingRate =\n      DEFAULT_CONFIGS.tracesSamplingRate;\n  }\n\n  if (entries.fpr_log_max_flush_size) {\n    settingsServiceInstance.logMaxFlushSize = Number(\n      entries.fpr_log_max_flush_size\n    );\n  } else if (DEFAULT_CONFIGS.logMaxFlushSize) {\n    settingsServiceInstance.logMaxFlushSize = DEFAULT_CONFIGS.logMaxFlushSize;\n  }\n  // Set the per session trace and network logging flags.\n  settingsServiceInstance.logTraceAfterSampling = shouldLogAfterSampling(\n    settingsServiceInstance.tracesSamplingRate\n  );\n  settingsServiceInstance.logNetworkAfterSampling = shouldLogAfterSampling(\n    settingsServiceInstance.networkRequestsSamplingRate\n  );\n  return config;\n}\n\nfunction configValid(expiry: string): boolean {\n  return Number(expiry) > Date.now();\n}\n\nfunction shouldLogAfterSampling(samplingRate: number): boolean {\n  return Math.random() <= samplingRate;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getIidPromise } from './iid_service';\nimport { getConfig } from './remote_config_service';\nimport { Api } from './api_service';\nimport { PerformanceController } from '../controllers/perf';\n\nconst enum InitializationStatus {\n  notInitialized = 1,\n  initializationPending,\n  initialized\n}\n\nlet initializationStatus = InitializationStatus.notInitialized;\n\nlet initializationPromise: Promise<void> | undefined;\n\nexport function getInitializationPromise(\n  performanceController: PerformanceController\n): Promise<void> {\n  initializationStatus = InitializationStatus.initializationPending;\n\n  initializationPromise =\n    initializationPromise || initializePerf(performanceController);\n\n  return initializationPromise;\n}\n\nexport function isPerfInitialized(): boolean {\n  return initializationStatus === InitializationStatus.initialized;\n}\n\nfunction initializePerf(\n  performanceController: PerformanceController\n): Promise<void> {\n  return getDocumentReadyComplete()\n    .then(() => getIidPromise(performanceController.installations))\n    .then(iid => getConfig(performanceController, iid))\n    .then(\n      () => changeInitializationStatus(),\n      () => changeInitializationStatus()\n    );\n}\n\n/**\n * Returns a promise which resolves whenever the document readystate is complete or\n * immediately if it is called after page load complete.\n */\nfunction getDocumentReadyComplete(): Promise<void> {\n  const document = Api.getInstance().document;\n  return new Promise(resolve => {\n    if (document && document.readyState !== 'complete') {\n      const handler = (): void => {\n        if (document.readyState === 'complete') {\n          document.removeEventListener('readystatechange', handler);\n          resolve();\n        }\n      };\n      document.addEventListener('readystatechange', handler);\n    } else {\n      resolve();\n    }\n  });\n}\n\nfunction changeInitializationStatus(): void {\n  initializationStatus = InitializationStatus.initialized;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { SettingsService } from './settings_service';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\nimport { consoleLogger } from '../utils/console_logger';\n\nconst DEFAULT_SEND_INTERVAL_MS = 10 * 1000;\nconst INITIAL_SEND_TIME_DELAY_MS = 5.5 * 1000;\nconst MAX_EVENT_COUNT_PER_REQUEST = 1000;\nconst DEFAULT_REMAINING_TRIES = 3;\n\n// Most browsers have a max payload of 64KB for sendbeacon/keep alive payload.\nconst MAX_SEND_BEACON_PAYLOAD_SIZE = 65536;\n\nconst TEXT_ENCODER = new TextEncoder();\n\nlet remainingTries = DEFAULT_REMAINING_TRIES;\n\ninterface BatchEvent {\n  message: string;\n  eventTime: number;\n}\n\n/* eslint-disable camelcase */\n// CC/Fl accepted log format.\ninterface TransportBatchLogFormat {\n  request_time_ms: string;\n  client_info: ClientInfo;\n  log_source: number;\n  log_event: Log[];\n}\n\ninterface ClientInfo {\n  client_type: number;\n  js_client_info: {};\n}\n\ninterface Log {\n  source_extension_json_proto3: string;\n  event_time_ms: string;\n}\n/* eslint-enable camelcase */\n\nlet queue: BatchEvent[] = [];\n\nlet isTransportSetup: boolean = false;\n\nexport function setupTransportService(): void {\n  if (!isTransportSetup) {\n    processQueue(INITIAL_SEND_TIME_DELAY_MS);\n    isTransportSetup = true;\n  }\n}\n\n/**\n * Utilized by testing to clean up message queue and un-initialize transport service.\n */\nexport function resetTransportService(): void {\n  isTransportSetup = false;\n  queue = [];\n}\n\nfunction processQueue(timeOffset: number): void {\n  setTimeout(() => {\n    // If there is no remainingTries left, stop retrying.\n    if (remainingTries <= 0) {\n      return;\n    }\n\n    if (queue.length > 0) {\n      dispatchQueueEvents();\n    }\n    processQueue(DEFAULT_SEND_INTERVAL_MS);\n  }, timeOffset);\n}\n\nfunction dispatchQueueEvents(): void {\n  // Extract events up to the maximum cap of single logRequest from top of \"official queue\".\n  // The staged events will be used for current logRequest attempt, remaining events will be kept\n  // for next attempt.\n  const staged = queue.splice(0, MAX_EVENT_COUNT_PER_REQUEST);\n\n  const data = buildPayload(staged);\n\n  postToFlEndpoint(data)\n    .then(() => {\n      remainingTries = DEFAULT_REMAINING_TRIES;\n    })\n    .catch(() => {\n      // If the request fails for some reason, add the events that were attempted\n      // back to the primary queue to retry later.\n      queue = [...staged, ...queue];\n      remainingTries--;\n      consoleLogger.info(`Tries left: ${remainingTries}.`);\n      processQueue(DEFAULT_SEND_INTERVAL_MS);\n    });\n}\n\nfunction buildPayload(events: BatchEvent[]): string {\n  /* eslint-disable camelcase */\n  // We will pass the JSON serialized event to the backend.\n  const log_event: Log[] = events.map(evt => ({\n    source_extension_json_proto3: evt.message,\n    event_time_ms: String(evt.eventTime)\n  }));\n\n  const transportBatchLog: TransportBatchLogFormat = {\n    request_time_ms: String(Date.now()),\n    client_info: {\n      client_type: 1, // 1 is JS\n      js_client_info: {}\n    },\n    log_source: SettingsService.getInstance().logSource,\n    log_event\n  };\n  /* eslint-enable camelcase */\n\n  return JSON.stringify(transportBatchLog);\n}\n\n/** Sends to Firelog. Atempts to use sendBeacon otherwsise uses fetch. */\nfunction postToFlEndpoint(body: string): Promise<void | Response> {\n  const flTransportFullUrl =\n    SettingsService.getInstance().getFlTransportFullUrl();\n  const size = TEXT_ENCODER.encode(body).length;\n\n  if (\n    size <= MAX_SEND_BEACON_PAYLOAD_SIZE &&\n    navigator.sendBeacon &&\n    navigator.sendBeacon(flTransportFullUrl, body)\n  ) {\n    return Promise.resolve();\n  } else {\n    return fetch(flTransportFullUrl, {\n      method: 'POST',\n      body\n    });\n  }\n}\n\nfunction addToQueue(evt: BatchEvent): void {\n  if (!evt.eventTime || !evt.message) {\n    throw ERROR_FACTORY.create(ErrorCode.INVALID_CC_LOG);\n  }\n  // Add the new event to the queue.\n  queue = [...queue, evt];\n}\n\n/** Log handler for cc service to send the performance logs to the server. */\nexport function transportHandler(\n  // eslint-disable-next-line @typescript-eslint/no-explicit-any\n  serializer: (...args: any[]) => string\n): (...args: unknown[]) => void {\n  return (...args) => {\n    const message = serializer(...args);\n    addToQueue({\n      message,\n      eventTime: Date.now()\n    });\n  };\n}\n\n/**\n * Force flush the queued events. Useful at page unload time to ensure all events are uploaded.\n * Flush will attempt to use sendBeacon to send events async and defaults back to fetch as soon as a\n * sendBeacon fails. Firefox\n */\nexport function flushQueuedEvents(): void {\n  const flTransportFullUrl =\n    SettingsService.getInstance().getFlTransportFullUrl();\n\n  while (queue.length > 0) {\n    // Send the last events first to prioritize page load traces\n    const staged = queue.splice(-SettingsService.getInstance().logMaxFlushSize);\n    const body = buildPayload(staged);\n\n    if (\n      navigator.sendBeacon &&\n      navigator.sendBeacon(flTransportFullUrl, body)\n    ) {\n      continue;\n    } else {\n      queue = [...queue, ...staged];\n      break;\n    }\n  }\n  if (queue.length > 0) {\n    const body = buildPayload(queue);\n    fetch(flTransportFullUrl, {\n      method: 'POST',\n      body\n    }).catch(() => {\n      consoleLogger.info(`Failed flushing queued events.`);\n    });\n  }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getIid } from './iid_service';\nimport { NetworkRequest } from '../resources/network_request';\nimport { Trace } from '../resources/trace';\nimport { Api } from './api_service';\nimport { SettingsService } from './settings_service';\nimport {\n  getServiceWorkerStatus,\n  getVisibilityState,\n  getEffectiveConnectionType\n} from '../utils/attributes_utils';\nimport {\n  isPerfInitialized,\n  getInitializationPromise\n} from './initialization_service';\nimport { transportHandler, flushQueuedEvents } from './transport_service';\nimport { SDK_VERSION } from '../constants';\nimport { FirebaseApp } from '@firebase/app';\nimport { getAppId } from '../utils/app_utils';\n\nconst enum ResourceType {\n  NetworkRequest,\n  Trace\n}\n\n/* eslint-disable camelcase */\ninterface ApplicationInfo {\n  google_app_id: string;\n  app_instance_id?: string;\n  web_app_info: WebAppInfo;\n  application_process_state: number;\n}\n\ninterface WebAppInfo {\n  sdk_version: string;\n  page_url: string;\n  service_worker_status: number;\n  visibility_state: number;\n  effective_connection_type: number;\n}\n\ninterface PerfNetworkLog {\n  application_info: ApplicationInfo;\n  network_request_metric: NetworkRequestMetric;\n}\n\ninterface PerfTraceLog {\n  application_info: ApplicationInfo;\n  trace_metric: TraceMetric;\n}\n\ninterface NetworkRequestMetric {\n  url: string;\n  http_method: number;\n  http_response_code: number;\n  response_payload_bytes?: number;\n  client_start_time_us?: number;\n  time_to_response_initiated_us?: number;\n  time_to_response_completed_us?: number;\n}\n\ninterface TraceMetric {\n  name: string;\n  is_auto: boolean;\n  client_start_time_us: number;\n  duration_us: number;\n  counters?: { [key: string]: number };\n  custom_attributes?: { [key: string]: string };\n}\n\ninterface Logger {\n  send: (\n    resource: NetworkRequest | Trace,\n    resourceType: ResourceType\n  ) => void | undefined;\n  flush: () => void;\n}\n\nlet logger: Logger;\n//\n// This method is not called before initialization.\nfunction sendLog(\n  resource: NetworkRequest | Trace,\n  resourceType: ResourceType\n): void {\n  if (!logger) {\n    logger = {\n      send: transportHandler(serializer),\n      flush: flushQueuedEvents\n    };\n  }\n  logger.send(resource, resourceType);\n}\n\nexport function logTrace(trace: Trace): void {\n  const settingsService = SettingsService.getInstance();\n  // Do not log if trace is auto generated and instrumentation is disabled.\n  if (!settingsService.instrumentationEnabled && trace.isAuto) {\n    return;\n  }\n  // Do not log if trace is custom and data collection is disabled.\n  if (!settingsService.dataCollectionEnabled && !trace.isAuto) {\n    return;\n  }\n  // Do not log if required apis are not available.\n  if (!Api.getInstance().requiredApisAvailable()) {\n    return;\n  }\n\n  if (isPerfInitialized()) {\n    sendTraceLog(trace);\n  } else {\n    // Custom traces can be used before the initialization but logging\n    // should wait until after.\n    getInitializationPromise(trace.performanceController).then(\n      () => sendTraceLog(trace),\n      () => sendTraceLog(trace)\n    );\n  }\n}\n\nexport function flushLogs(): void {\n  if (logger) {\n    logger.flush();\n  }\n}\n\nfunction sendTraceLog(trace: Trace): void {\n  if (!getIid()) {\n    return;\n  }\n\n  const settingsService = SettingsService.getInstance();\n  if (\n    !settingsService.loggingEnabled ||\n    !settingsService.logTraceAfterSampling\n  ) {\n    return;\n  }\n\n  sendLog(trace, ResourceType.Trace);\n}\n\nexport function logNetworkRequest(networkRequest: NetworkRequest): void {\n  const settingsService = SettingsService.getInstance();\n  // Do not log network requests if instrumentation is disabled.\n  if (!settingsService.instrumentationEnabled) {\n    return;\n  }\n\n  // Do not log the js sdk's call to transport service domain to avoid unnecessary cycle.\n  // Need to blacklist both old and new endpoints to avoid migration gap.\n  const networkRequestUrl = networkRequest.url;\n\n  // Blacklist old log endpoint and new transport endpoint.\n  // Because Performance SDK doesn't instrument requests sent from SDK itself.\n  const logEndpointUrl = settingsService.logEndPointUrl.split('?')[0];\n  const flEndpointUrl = settingsService.flTransportEndpointUrl.split('?')[0];\n  if (\n    networkRequestUrl === logEndpointUrl ||\n    networkRequestUrl === flEndpointUrl\n  ) {\n    return;\n  }\n\n  if (\n    !settingsService.loggingEnabled ||\n    !settingsService.logNetworkAfterSampling\n  ) {\n    return;\n  }\n\n  sendLog(networkRequest, ResourceType.NetworkRequest);\n}\n\nfunction serializer(\n  resource: NetworkRequest | Trace,\n  resourceType: ResourceType\n): string {\n  if (resourceType === ResourceType.NetworkRequest) {\n    return serializeNetworkRequest(resource as NetworkRequest);\n  }\n  return serializeTrace(resource as Trace);\n}\n\nfunction serializeNetworkRequest(networkRequest: NetworkRequest): string {\n  const networkRequestMetric: NetworkRequestMetric = {\n    url: networkRequest.url,\n    http_method: networkRequest.httpMethod || 0,\n    http_response_code: 200,\n    response_payload_bytes: networkRequest.responsePayloadBytes,\n    client_start_time_us: networkRequest.startTimeUs,\n    time_to_response_initiated_us: networkRequest.timeToResponseInitiatedUs,\n    time_to_response_completed_us: networkRequest.timeToResponseCompletedUs\n  };\n  const perfMetric: PerfNetworkLog = {\n    application_info: getApplicationInfo(\n      networkRequest.performanceController.app\n    ),\n    network_request_metric: networkRequestMetric\n  };\n  return JSON.stringify(perfMetric);\n}\n\nfunction serializeTrace(trace: Trace): string {\n  const traceMetric: TraceMetric = {\n    name: trace.name,\n    is_auto: trace.isAuto,\n    client_start_time_us: trace.startTimeUs,\n    duration_us: trace.durationUs\n  };\n\n  if (Object.keys(trace.counters).length !== 0) {\n    traceMetric.counters = trace.counters;\n  }\n  const customAttributes = trace.getAttributes();\n  if (Object.keys(customAttributes).length !== 0) {\n    traceMetric.custom_attributes = customAttributes;\n  }\n\n  const perfMetric: PerfTraceLog = {\n    application_info: getApplicationInfo(trace.performanceController.app),\n    trace_metric: traceMetric\n  };\n  return JSON.stringify(perfMetric);\n}\n\nfunction getApplicationInfo(firebaseApp: FirebaseApp): ApplicationInfo {\n  return {\n    google_app_id: getAppId(firebaseApp),\n    app_instance_id: getIid(),\n    web_app_info: {\n      sdk_version: SDK_VERSION,\n      page_url: Api.getInstance().getUrl(),\n      service_worker_status: getServiceWorkerStatus(),\n      visibility_state: getVisibilityState(),\n      effective_connection_type: getEffectiveConnectionType()\n    },\n    application_process_state: 0\n  };\n}\n\n/* eslint-enable camelcase */\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { Api } from '../services/api_service';\nimport { logNetworkRequest } from '../services/perf_logger';\nimport { PerformanceController } from '../controllers/perf';\n\n// The order of values of this enum should not be changed.\nexport const enum HttpMethod {\n  HTTP_METHOD_UNKNOWN = 0,\n  GET = 1,\n  PUT = 2,\n  POST = 3,\n  DELETE = 4,\n  HEAD = 5,\n  PATCH = 6,\n  OPTIONS = 7,\n  TRACE = 8,\n  CONNECT = 9\n}\n\n// Durations are in microseconds.\nexport interface NetworkRequest {\n  performanceController: PerformanceController;\n  url: string;\n  httpMethod?: HttpMethod;\n  requestPayloadBytes?: number;\n  responsePayloadBytes?: number;\n  httpResponseCode?: number;\n  responseContentType?: string;\n  startTimeUs?: number;\n  timeToRequestCompletedUs?: number;\n  timeToResponseInitiatedUs?: number;\n  timeToResponseCompletedUs?: number;\n}\n\nexport function createNetworkRequestEntry(\n  performanceController: PerformanceController,\n  entry: PerformanceEntry\n): void {\n  const performanceEntry = entry as PerformanceResourceTiming;\n  if (!performanceEntry || performanceEntry.responseStart === undefined) {\n    return;\n  }\n  const timeOrigin = Api.getInstance().getTimeOrigin();\n  const startTimeUs = Math.floor(\n    (performanceEntry.startTime + timeOrigin) * 1000\n  );\n  const timeToResponseInitiatedUs = performanceEntry.responseStart\n    ? Math.floor(\n        (performanceEntry.responseStart - performanceEntry.startTime) * 1000\n      )\n    : undefined;\n  const timeToResponseCompletedUs = Math.floor(\n    (performanceEntry.responseEnd - performanceEntry.startTime) * 1000\n  );\n  // Remove the query params from logged network request url.\n  const url = performanceEntry.name && performanceEntry.name.split('?')[0];\n  const networkRequest: NetworkRequest = {\n    performanceController,\n    url,\n    responsePayloadBytes: performanceEntry.transferSize,\n    startTimeUs,\n    timeToResponseInitiatedUs,\n    timeToResponseCompletedUs\n  };\n\n  logNetworkRequest(networkRequest);\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  FIRST_PAINT_COUNTER_NAME,\n  FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n  FIRST_INPUT_DELAY_COUNTER_NAME,\n  OOB_TRACE_PAGE_LOAD_PREFIX,\n  CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,\n  INTERACTION_TO_NEXT_PAINT_METRIC_NAME,\n  LARGEST_CONTENTFUL_PAINT_METRIC_NAME\n} from '../constants';\nimport { consoleLogger } from '../utils/console_logger';\n\nconst MAX_METRIC_NAME_LENGTH = 100;\nconst RESERVED_AUTO_PREFIX = '_';\nconst oobMetrics = [\n  FIRST_PAINT_COUNTER_NAME,\n  FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n  FIRST_INPUT_DELAY_COUNTER_NAME,\n  LARGEST_CONTENTFUL_PAINT_METRIC_NAME,\n  CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,\n  INTERACTION_TO_NEXT_PAINT_METRIC_NAME\n];\n\n/**\n * Returns true if the metric is custom and does not start with reserved prefix, or if\n * the metric is one of out of the box page load trace metrics.\n */\nexport function isValidMetricName(name: string, traceName?: string): boolean {\n  if (name.length === 0 || name.length > MAX_METRIC_NAME_LENGTH) {\n    return false;\n  }\n  return (\n    (traceName &&\n      traceName.startsWith(OOB_TRACE_PAGE_LOAD_PREFIX) &&\n      oobMetrics.indexOf(name) > -1) ||\n    !name.startsWith(RESERVED_AUTO_PREFIX)\n  );\n}\n\n/**\n * Converts the provided value to an integer value to be used in case of a metric.\n * @param providedValue Provided number value of the metric that needs to be converted to an integer.\n *\n * @returns Converted integer number to be set for the metric.\n */\nexport function convertMetricValueToInteger(providedValue: number): number {\n  const valueAsInteger: number = Math.floor(providedValue);\n  if (valueAsInteger < providedValue) {\n    consoleLogger.info(\n      `Metric value should be an Integer, setting the value as : ${valueAsInteger}.`\n    );\n  }\n  return valueAsInteger;\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  TRACE_START_MARK_PREFIX,\n  TRACE_STOP_MARK_PREFIX,\n  TRACE_MEASURE_PREFIX,\n  OOB_TRACE_PAGE_LOAD_PREFIX,\n  FIRST_PAINT_COUNTER_NAME,\n  FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n  FIRST_INPUT_DELAY_COUNTER_NAME,\n  LARGEST_CONTENTFUL_PAINT_METRIC_NAME,\n  LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME,\n  INTERACTION_TO_NEXT_PAINT_METRIC_NAME,\n  INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME,\n  CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,\n  CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME\n} from '../constants';\nimport { Api } from '../services/api_service';\nimport { logTrace, flushLogs } from '../services/perf_logger';\nimport { ERROR_FACTORY, ErrorCode } from '../utils/errors';\nimport {\n  MAX_ATTRIBUTE_VALUE_LENGTH,\n  isValidCustomAttributeName,\n  isValidCustomAttributeValue\n} from '../utils/attributes_utils';\nimport {\n  isValidMetricName,\n  convertMetricValueToInteger\n} from '../utils/metric_utils';\nimport { PerformanceTrace } from '../public_types';\nimport { PerformanceController } from '../controllers/perf';\nimport { CoreVitalMetric, WebVitalMetrics } from './web_vitals';\n\nconst enum TraceState {\n  UNINITIALIZED = 1,\n  RUNNING,\n  TERMINATED\n}\n\nexport class Trace implements PerformanceTrace {\n  private state: TraceState = TraceState.UNINITIALIZED;\n  startTimeUs!: number;\n  durationUs!: number;\n  private customAttributes: { [key: string]: string } = {};\n  counters: { [counterName: string]: number } = {};\n  private api = Api.getInstance();\n  private randomId = Math.floor(Math.random() * 1000000);\n  private traceStartMark!: string;\n  private traceStopMark!: string;\n  private traceMeasure!: string;\n\n  /**\n   * @param performanceController The performance controller running.\n   * @param name The name of the trace.\n   * @param isAuto If the trace is auto-instrumented.\n   * @param traceMeasureName The name of the measure marker in user timing specification. This field\n   * is only set when the trace is built for logging when the user directly uses the user timing\n   * api (performance.mark and performance.measure).\n   */\n  constructor(\n    readonly performanceController: PerformanceController,\n    readonly name: string,\n    readonly isAuto = false,\n    traceMeasureName?: string\n  ) {\n    if (!this.isAuto) {\n      this.traceStartMark = `${TRACE_START_MARK_PREFIX}-${this.randomId}-${this.name}`;\n      this.traceStopMark = `${TRACE_STOP_MARK_PREFIX}-${this.randomId}-${this.name}`;\n      this.traceMeasure =\n        traceMeasureName ||\n        `${TRACE_MEASURE_PREFIX}-${this.randomId}-${this.name}`;\n\n      if (traceMeasureName) {\n        // For the case of direct user timing traces, no start stop will happen. The measure object\n        // is already available.\n        this.calculateTraceMetrics();\n      }\n    }\n  }\n\n  /**\n   * Starts a trace. The measurement of the duration starts at this point.\n   */\n  start(): void {\n    if (this.state !== TraceState.UNINITIALIZED) {\n      throw ERROR_FACTORY.create(ErrorCode.TRACE_STARTED_BEFORE, {\n        traceName: this.name\n      });\n    }\n    this.api.mark(this.traceStartMark);\n    this.state = TraceState.RUNNING;\n  }\n\n  /**\n   * Stops the trace. The measurement of the duration of the trace stops at this point and trace\n   * is logged.\n   */\n  stop(): void {\n    if (this.state !== TraceState.RUNNING) {\n      throw ERROR_FACTORY.create(ErrorCode.TRACE_STOPPED_BEFORE, {\n        traceName: this.name\n      });\n    }\n    this.state = TraceState.TERMINATED;\n    this.api.mark(this.traceStopMark);\n    this.api.measure(\n      this.traceMeasure,\n      this.traceStartMark,\n      this.traceStopMark\n    );\n    this.calculateTraceMetrics();\n    logTrace(this);\n  }\n\n  /**\n   * Records a trace with predetermined values. If this method is used a trace is created and logged\n   * directly. No need to use start and stop methods.\n   * @param startTime Trace start time since epoch in millisec\n   * @param duration The duration of the trace in millisec\n   * @param options An object which can optionally hold maps of custom metrics and custom attributes\n   */\n  record(\n    startTime: number,\n    duration: number,\n    options?: {\n      metrics?: { [key: string]: number };\n      attributes?: { [key: string]: string };\n    }\n  ): void {\n    if (startTime <= 0) {\n      throw ERROR_FACTORY.create(ErrorCode.NONPOSITIVE_TRACE_START_TIME, {\n        traceName: this.name\n      });\n    }\n    if (duration <= 0) {\n      throw ERROR_FACTORY.create(ErrorCode.NONPOSITIVE_TRACE_DURATION, {\n        traceName: this.name\n      });\n    }\n\n    this.durationUs = Math.floor(duration * 1000);\n    this.startTimeUs = Math.floor(startTime * 1000);\n    if (options && options.attributes) {\n      this.customAttributes = { ...options.attributes };\n    }\n    if (options && options.metrics) {\n      for (const metricName of Object.keys(options.metrics)) {\n        if (!isNaN(Number(options.metrics[metricName]))) {\n          this.counters[metricName] = Math.floor(\n            Number(options.metrics[metricName])\n          );\n        }\n      }\n    }\n    logTrace(this);\n  }\n\n  /**\n   * Increments a custom metric by a certain number or 1 if number not specified. Will create a new\n   * custom metric if one with the given name does not exist. The value will be floored down to an\n   * integer.\n   * @param counter Name of the custom metric\n   * @param numAsInteger Increment by value\n   */\n  incrementMetric(counter: string, numAsInteger = 1): void {\n    if (this.counters[counter] === undefined) {\n      this.putMetric(counter, numAsInteger);\n    } else {\n      this.putMetric(counter, this.counters[counter] + numAsInteger);\n    }\n  }\n\n  /**\n   * Sets a custom metric to a specified value. Will create a new custom metric if one with the\n   * given name does not exist. The value will be floored down to an integer.\n   * @param counter Name of the custom metric\n   * @param numAsInteger Set custom metric to this value\n   */\n  putMetric(counter: string, numAsInteger: number): void {\n    if (isValidMetricName(counter, this.name)) {\n      this.counters[counter] = convertMetricValueToInteger(numAsInteger ?? 0);\n    } else {\n      throw ERROR_FACTORY.create(ErrorCode.INVALID_CUSTOM_METRIC_NAME, {\n        customMetricName: counter\n      });\n    }\n  }\n\n  /**\n   * Returns the value of the custom metric by that name. If a custom metric with that name does\n   * not exist will return zero.\n   * @param counter\n   */\n  getMetric(counter: string): number {\n    return this.counters[counter] || 0;\n  }\n\n  /**\n   * Sets a custom attribute of a trace to a certain value.\n   * @param attr\n   * @param value\n   */\n  putAttribute(attr: string, value: string): void {\n    const isValidName = isValidCustomAttributeName(attr);\n    const isValidValue = isValidCustomAttributeValue(value);\n    if (isValidName && isValidValue) {\n      this.customAttributes[attr] = value;\n      return;\n    }\n    // Throw appropriate error when the attribute name or value is invalid.\n    if (!isValidName) {\n      throw ERROR_FACTORY.create(ErrorCode.INVALID_ATTRIBUTE_NAME, {\n        attributeName: attr\n      });\n    }\n    if (!isValidValue) {\n      throw ERROR_FACTORY.create(ErrorCode.INVALID_ATTRIBUTE_VALUE, {\n        attributeValue: value\n      });\n    }\n  }\n\n  /**\n   * Retrieves the value a custom attribute of a trace is set to.\n   * @param attr\n   */\n  getAttribute(attr: string): string | undefined {\n    return this.customAttributes[attr];\n  }\n\n  removeAttribute(attr: string): void {\n    if (this.customAttributes[attr] === undefined) {\n      return;\n    }\n    delete this.customAttributes[attr];\n  }\n\n  getAttributes(): { [key: string]: string } {\n    return { ...this.customAttributes };\n  }\n\n  private setStartTime(startTime: number): void {\n    this.startTimeUs = startTime;\n  }\n\n  private setDuration(duration: number): void {\n    this.durationUs = duration;\n  }\n\n  /**\n   * Calculates and assigns the duration and start time of the trace using the measure performance\n   * entry.\n   */\n  private calculateTraceMetrics(): void {\n    const perfMeasureEntries = this.api.getEntriesByName(this.traceMeasure);\n    const perfMeasureEntry = perfMeasureEntries && perfMeasureEntries[0];\n    if (perfMeasureEntry) {\n      this.durationUs = Math.floor(perfMeasureEntry.duration * 1000);\n      this.startTimeUs = Math.floor(\n        (perfMeasureEntry.startTime + this.api.getTimeOrigin()) * 1000\n      );\n    }\n  }\n\n  /**\n   * @param navigationTimings A single element array which contains the navigationTIming object of\n   * the page load\n   * @param paintTimings A array which contains paintTiming object of the page load\n   * @param firstInputDelay First input delay in millisec\n   */\n  static createOobTrace(\n    performanceController: PerformanceController,\n    navigationTimings: PerformanceNavigationTiming[],\n    paintTimings: PerformanceEntry[],\n    webVitalMetrics: WebVitalMetrics,\n    firstInputDelay?: number\n  ): void {\n    const route = Api.getInstance().getUrl();\n    if (!route) {\n      return;\n    }\n    const trace = new Trace(\n      performanceController,\n      OOB_TRACE_PAGE_LOAD_PREFIX + route,\n      true\n    );\n    const timeOriginUs = Math.floor(Api.getInstance().getTimeOrigin() * 1000);\n    trace.setStartTime(timeOriginUs);\n\n    // navigationTimings includes only one element.\n    if (navigationTimings && navigationTimings[0]) {\n      trace.setDuration(Math.floor(navigationTimings[0].duration * 1000));\n      trace.putMetric(\n        'domInteractive',\n        Math.floor(navigationTimings[0].domInteractive * 1000)\n      );\n      trace.putMetric(\n        'domContentLoadedEventEnd',\n        Math.floor(navigationTimings[0].domContentLoadedEventEnd * 1000)\n      );\n      trace.putMetric(\n        'loadEventEnd',\n        Math.floor(navigationTimings[0].loadEventEnd * 1000)\n      );\n    }\n\n    const FIRST_PAINT = 'first-paint';\n    const FIRST_CONTENTFUL_PAINT = 'first-contentful-paint';\n    if (paintTimings) {\n      const firstPaint = paintTimings.find(\n        paintObject => paintObject.name === FIRST_PAINT\n      );\n      if (firstPaint && firstPaint.startTime) {\n        trace.putMetric(\n          FIRST_PAINT_COUNTER_NAME,\n          Math.floor(firstPaint.startTime * 1000)\n        );\n      }\n      const firstContentfulPaint = paintTimings.find(\n        paintObject => paintObject.name === FIRST_CONTENTFUL_PAINT\n      );\n      if (firstContentfulPaint && firstContentfulPaint.startTime) {\n        trace.putMetric(\n          FIRST_CONTENTFUL_PAINT_COUNTER_NAME,\n          Math.floor(firstContentfulPaint.startTime * 1000)\n        );\n      }\n\n      if (firstInputDelay) {\n        trace.putMetric(\n          FIRST_INPUT_DELAY_COUNTER_NAME,\n          Math.floor(firstInputDelay * 1000)\n        );\n      }\n    }\n\n    this.addWebVitalMetric(\n      trace,\n      LARGEST_CONTENTFUL_PAINT_METRIC_NAME,\n      LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME,\n      webVitalMetrics.lcp\n    );\n    this.addWebVitalMetric(\n      trace,\n      CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME,\n      CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME,\n      webVitalMetrics.cls\n    );\n    this.addWebVitalMetric(\n      trace,\n      INTERACTION_TO_NEXT_PAINT_METRIC_NAME,\n      INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME,\n      webVitalMetrics.inp\n    );\n\n    // Page load logs are sent at unload time and so should be logged and\n    // flushed immediately.\n    logTrace(trace);\n    flushLogs();\n  }\n\n  static addWebVitalMetric(\n    trace: Trace,\n    metricKey: string,\n    attributeKey: string,\n    metric?: CoreVitalMetric\n  ): void {\n    if (metric) {\n      trace.putMetric(metricKey, Math.floor(metric.value * 1000));\n      if (metric.elementAttribution) {\n        if (metric.elementAttribution.length > MAX_ATTRIBUTE_VALUE_LENGTH) {\n          trace.putAttribute(\n            attributeKey,\n            metric.elementAttribution.substring(0, MAX_ATTRIBUTE_VALUE_LENGTH)\n          );\n        } else {\n          trace.putAttribute(attributeKey, metric.elementAttribution);\n        }\n      }\n    }\n  }\n\n  static createUserTimingTrace(\n    performanceController: PerformanceController,\n    measureName: string\n  ): void {\n    const trace = new Trace(\n      performanceController,\n      measureName,\n      false,\n      measureName\n    );\n    logTrace(trace);\n  }\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  CLSMetricWithAttribution,\n  INPMetricWithAttribution,\n  LCPMetricWithAttribution\n} from 'web-vitals/attribution';\n\nimport { TRACE_MEASURE_PREFIX } from '../constants';\nimport { PerformanceController } from '../controllers/perf';\nimport { createNetworkRequestEntry } from '../resources/network_request';\nimport { Trace } from '../resources/trace';\nimport { WebVitalMetrics } from '../resources/web_vitals';\n\nimport { Api } from './api_service';\nimport { getIid } from './iid_service';\n\nlet webVitalMetrics: WebVitalMetrics = {};\nlet sentPageLoadTrace: boolean = false;\nlet firstInputDelay: number | undefined;\n\nexport function setupOobResources(\n  performanceController: PerformanceController\n): void {\n  // Do not initialize unless iid is available.\n  if (!getIid()) {\n    return;\n  }\n  // The load event might not have fired yet, and that means performance\n  // navigation timing object has a duration of 0. The setup should run after\n  // all current tasks in js queue.\n  setTimeout(() => setupOobTraces(performanceController), 0);\n  setTimeout(() => setupNetworkRequests(performanceController), 0);\n  setTimeout(() => setupUserTimingTraces(performanceController), 0);\n}\n\nfunction setupNetworkRequests(\n  performanceController: PerformanceController\n): void {\n  const api = Api.getInstance();\n  const resources = api.getEntriesByType('resource');\n  for (const resource of resources) {\n    createNetworkRequestEntry(performanceController, resource);\n  }\n  api.setupObserver('resource', entry =>\n    createNetworkRequestEntry(performanceController, entry)\n  );\n}\n\nfunction setupOobTraces(performanceController: PerformanceController): void {\n  const api = Api.getInstance();\n  // Better support for Safari\n  if ('onpagehide' in window) {\n    api.document.addEventListener('pagehide', () =>\n      sendOobTrace(performanceController)\n    );\n  } else {\n    api.document.addEventListener('unload', () =>\n      sendOobTrace(performanceController)\n    );\n  }\n  api.document.addEventListener('visibilitychange', () => {\n    if (api.document.visibilityState === 'hidden') {\n      sendOobTrace(performanceController);\n    }\n  });\n\n  if (api.onFirstInputDelay) {\n    api.onFirstInputDelay((fid: number) => {\n      firstInputDelay = fid;\n    });\n  }\n\n  api.onLCP((metric: LCPMetricWithAttribution) => {\n    webVitalMetrics.lcp = {\n      value: metric.value,\n      elementAttribution: metric.attribution?.element\n    };\n  });\n  api.onCLS((metric: CLSMetricWithAttribution) => {\n    webVitalMetrics.cls = {\n      value: metric.value,\n      elementAttribution: metric.attribution?.largestShiftTarget\n    };\n  });\n  api.onINP((metric: INPMetricWithAttribution) => {\n    webVitalMetrics.inp = {\n      value: metric.value,\n      elementAttribution: metric.attribution?.interactionTarget\n    };\n  });\n}\n\nfunction setupUserTimingTraces(\n  performanceController: PerformanceController\n): void {\n  const api = Api.getInstance();\n  // Run through the measure performance entries collected up to this point.\n  const measures = api.getEntriesByType('measure');\n  for (const measure of measures) {\n    createUserTimingTrace(performanceController, measure);\n  }\n  // Setup an observer to capture the measures from this point on.\n  api.setupObserver('measure', entry =>\n    createUserTimingTrace(performanceController, entry)\n  );\n}\n\nfunction createUserTimingTrace(\n  performanceController: PerformanceController,\n  measure: PerformanceEntry\n): void {\n  const measureName = measure.name;\n  // Do not create a trace, if the user timing marks and measures are created by\n  // the sdk itself.\n  if (\n    measureName.substring(0, TRACE_MEASURE_PREFIX.length) ===\n    TRACE_MEASURE_PREFIX\n  ) {\n    return;\n  }\n  Trace.createUserTimingTrace(performanceController, measureName);\n}\n\nfunction sendOobTrace(performanceController: PerformanceController): void {\n  if (!sentPageLoadTrace) {\n    sentPageLoadTrace = true;\n    const api = Api.getInstance();\n    const navigationTimings = api.getEntriesByType(\n      'navigation'\n    ) as PerformanceNavigationTiming[];\n    const paintTimings = api.getEntriesByType('paint');\n\n    // On page unload web vitals may be updated so queue the oob trace creation\n    // so that these updates have time to be included.\n    setTimeout(() => {\n      Trace.createOobTrace(\n        performanceController,\n        navigationTimings,\n        paintTimings,\n        webVitalMetrics,\n        firstInputDelay\n      );\n    }, 0);\n  }\n}\n\n/**\n * This service will only export the page load trace once. This function allows\n * resetting it for unit tests\n */\nexport function resetForUnitTests(): void {\n  sentPageLoadTrace = false;\n  firstInputDelay = undefined;\n  webVitalMetrics = {};\n}\n","/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { setupOobResources } from '../services/oob_resources_service';\nimport { SettingsService } from '../services/settings_service';\nimport { getInitializationPromise } from '../services/initialization_service';\nimport { Api } from '../services/api_service';\nimport { FirebaseApp } from '@firebase/app';\nimport { _FirebaseInstallationsInternal } from '@firebase/installations';\nimport { PerformanceSettings, FirebasePerformance } from '../public_types';\nimport { validateIndexedDBOpenable } from '@firebase/util';\nimport { setupTransportService } from '../services/transport_service';\nimport { consoleLogger } from '../utils/console_logger';\n\nexport class PerformanceController implements FirebasePerformance {\n  private initialized: boolean = false;\n\n  constructor(\n    readonly app: FirebaseApp,\n    readonly installations: _FirebaseInstallationsInternal\n  ) {}\n\n  /**\n   * This method *must* be called internally as part of creating a\n   * PerformanceController instance.\n   *\n   * Currently it's not possible to pass the settings object through the\n   * constructor using Components, so this method exists to be called with the\n   * desired settings, to ensure nothing is collected without the user's\n   * consent.\n   */\n  _init(settings?: PerformanceSettings): void {\n    if (this.initialized) {\n      return;\n    }\n\n    if (settings?.dataCollectionEnabled !== undefined) {\n      this.dataCollectionEnabled = settings.dataCollectionEnabled;\n    }\n    if (settings?.instrumentationEnabled !== undefined) {\n      this.instrumentationEnabled = settings.instrumentationEnabled;\n    }\n\n    if (Api.getInstance().requiredApisAvailable()) {\n      validateIndexedDBOpenable()\n        .then(isAvailable => {\n          if (isAvailable) {\n            setupTransportService();\n            getInitializationPromise(this).then(\n              () => setupOobResources(this),\n              () => setupOobResources(this)\n            );\n            this.initialized = true;\n          }\n        })\n        .catch(error => {\n          consoleLogger.info(`Environment doesn't support IndexedDB: ${error}`);\n        });\n    } else {\n      consoleLogger.info(\n        'Firebase Performance cannot start if the browser does not support ' +\n          '\"Fetch\" and \"Promise\", or cookies are disabled.'\n      );\n    }\n  }\n\n  set instrumentationEnabled(val: boolean) {\n    SettingsService.getInstance().instrumentationEnabled = val;\n  }\n  get instrumentationEnabled(): boolean {\n    return SettingsService.getInstance().instrumentationEnabled;\n  }\n\n  set dataCollectionEnabled(val: boolean) {\n    SettingsService.getInstance().dataCollectionEnabled = val;\n  }\n  get dataCollectionEnabled(): boolean {\n    return SettingsService.getInstance().dataCollectionEnabled;\n  }\n}\n","/**\n * The Firebase Performance Monitoring Web SDK.\n * This SDK does not work in a Node.js environment.\n *\n * @packageDocumentation\n */\n\n/**\n * @license\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport {\n  FirebasePerformance,\n  PerformanceSettings,\n  PerformanceTrace\n} from './public_types';\nimport { ERROR_FACTORY, ErrorCode } from './utils/errors';\nimport { setupApi } from './services/api_service';\nimport { PerformanceController } from './controllers/perf';\nimport {\n  _registerComponent,\n  _getProvider,\n  registerVersion,\n  FirebaseApp,\n  getApp\n} from '@firebase/app';\nimport {\n  InstanceFactory,\n  ComponentContainer,\n  Component,\n  ComponentType\n} from '@firebase/component';\nimport { name, version } from '../package.json';\nimport { Trace } from './resources/trace';\nimport '@firebase/installations';\nimport { deepEqual, getModularInstance } from '@firebase/util';\n\nconst DEFAULT_ENTRY_NAME = '[DEFAULT]';\n\n/**\n * Returns a {@link FirebasePerformance} instance for the given app.\n * @param app - The {@link @firebase/app#FirebaseApp} to use.\n * @public\n */\nexport function getPerformance(\n  app: FirebaseApp = getApp()\n): FirebasePerformance {\n  app = getModularInstance(app);\n  const provider = _getProvider(app, 'performance');\n  const perfInstance = provider.getImmediate() as PerformanceController;\n  return perfInstance;\n}\n\n/**\n * Returns a {@link FirebasePerformance} instance for the given app. Can only be called once.\n * @param app - The {@link @firebase/app#FirebaseApp} to use.\n * @param settings - Optional settings for the {@link FirebasePerformance} instance.\n * @public\n */\nexport function initializePerformance(\n  app: FirebaseApp,\n  settings?: PerformanceSettings\n): FirebasePerformance {\n  app = getModularInstance(app);\n  const provider = _getProvider(app, 'performance');\n\n  // throw if an instance was already created.\n  // It could happen if initializePerformance() is called more than once, or getPerformance() is called first.\n  if (provider.isInitialized()) {\n    const existingInstance = provider.getImmediate();\n    const initialSettings = provider.getOptions() as PerformanceSettings;\n    if (deepEqual(initialSettings, settings ?? {})) {\n      return existingInstance;\n    } else {\n      throw ERROR_FACTORY.create(ErrorCode.ALREADY_INITIALIZED);\n    }\n  }\n\n  const perfInstance = provider.initialize({\n    options: settings\n  }) as PerformanceController;\n  return perfInstance;\n}\n\n/**\n * Returns a new `PerformanceTrace` instance.\n * @param performance - The {@link FirebasePerformance} instance to use.\n * @param name - The name of the trace.\n * @public\n */\nexport function trace(\n  performance: FirebasePerformance,\n  name: string\n): PerformanceTrace {\n  performance = getModularInstance(performance);\n  return new Trace(performance as PerformanceController, name);\n}\n\nconst factory: InstanceFactory<'performance'> = (\n  container: ComponentContainer,\n  { options: settings }: { options?: PerformanceSettings }\n) => {\n  // Dependencies\n  const app = container.getProvider('app').getImmediate();\n  const installations = container\n    .getProvider('installations-internal')\n    .getImmediate();\n\n  if (app.name !== DEFAULT_ENTRY_NAME) {\n    throw ERROR_FACTORY.create(ErrorCode.FB_NOT_DEFAULT);\n  }\n  if (typeof window === 'undefined') {\n    throw ERROR_FACTORY.create(ErrorCode.NO_WINDOW);\n  }\n  setupApi(window);\n  const perfInstance = new PerformanceController(app, installations);\n  perfInstance._init(settings);\n\n  return perfInstance;\n};\n\nfunction registerPerformance(): void {\n  _registerComponent(\n    new Component('performance', factory, ComponentType.PUBLIC)\n  );\n  registerVersion(name, version);\n  // BUILD_TARGET will be replaced by values like esm, cjs, etc during the compilation\n  registerVersion(name, version, '__BUILD_TARGET__');\n}\n\nregisterPerformance();\n\nexport { FirebasePerformance, PerformanceSettings, PerformanceTrace 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\ No newline at end of file
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/constants.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/constants.d.ts
new file mode 100644
index 0000000..dbb2159
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/constants.d.ts
@@ -0,0 +1,38 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare const SDK_VERSION: string;
+/** The prefix for start User Timing marks used for creating Traces. */
+export declare const TRACE_START_MARK_PREFIX = "FB-PERF-TRACE-START";
+/** The prefix for stop User Timing marks used for creating Traces. */
+export declare const TRACE_STOP_MARK_PREFIX = "FB-PERF-TRACE-STOP";
+/** The prefix for User Timing measure used for creating Traces. */
+export declare const TRACE_MEASURE_PREFIX = "FB-PERF-TRACE-MEASURE";
+/** The prefix for out of the box page load Trace name. */
+export declare const OOB_TRACE_PAGE_LOAD_PREFIX = "_wt_";
+export declare const FIRST_PAINT_COUNTER_NAME = "_fp";
+export declare const FIRST_CONTENTFUL_PAINT_COUNTER_NAME = "_fcp";
+export declare const FIRST_INPUT_DELAY_COUNTER_NAME = "_fid";
+export declare const LARGEST_CONTENTFUL_PAINT_METRIC_NAME = "_lcp";
+export declare const LARGEST_CONTENTFUL_PAINT_ATTRIBUTE_NAME = "lcp_element";
+export declare const INTERACTION_TO_NEXT_PAINT_METRIC_NAME = "_inp";
+export declare const INTERACTION_TO_NEXT_PAINT_ATTRIBUTE_NAME = "inp_interactionTarget";
+export declare const CUMULATIVE_LAYOUT_SHIFT_METRIC_NAME = "_cls";
+export declare const CUMULATIVE_LAYOUT_SHIFT_ATTRIBUTE_NAME = "cls_largestShiftTarget";
+export declare const CONFIG_LOCAL_STORAGE_KEY = "@firebase/performance/config";
+export declare const CONFIG_EXPIRY_LOCAL_STORAGE_KEY = "@firebase/performance/configexpire";
+export declare const SERVICE = "performance";
+export declare const SERVICE_NAME = "Performance";
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/controllers/perf.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/controllers/perf.d.ts
new file mode 100644
index 0000000..bfb45a5
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/controllers/perf.d.ts
@@ -0,0 +1,39 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp } from '@firebase/app';
+import { _FirebaseInstallationsInternal } from '@firebase/installations';
+import { PerformanceSettings, FirebasePerformance } from '../public_types';
+export declare class PerformanceController implements FirebasePerformance {
+    readonly app: FirebaseApp;
+    readonly installations: _FirebaseInstallationsInternal;
+    private initialized;
+    constructor(app: FirebaseApp, installations: _FirebaseInstallationsInternal);
+    /**
+     * This method *must* be called internally as part of creating a
+     * PerformanceController instance.
+     *
+     * Currently it's not possible to pass the settings object through the
+     * constructor using Components, so this method exists to be called with the
+     * desired settings, to ensure nothing is collected without the user's
+     * consent.
+     */
+    _init(settings?: PerformanceSettings): void;
+    set instrumentationEnabled(val: boolean);
+    get instrumentationEnabled(): boolean;
+    set dataCollectionEnabled(val: boolean);
+    get dataCollectionEnabled(): boolean;
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/index.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/index.d.ts
new file mode 100644
index 0000000..eb2968e
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/index.d.ts
@@ -0,0 +1,46 @@
+/**
+ * The Firebase Performance Monitoring Web SDK.
+ * This SDK does not work in a Node.js environment.
+ *
+ * @packageDocumentation
+ */
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebasePerformance, PerformanceSettings, PerformanceTrace } from './public_types';
+import { FirebaseApp } from '@firebase/app';
+import '@firebase/installations';
+/**
+ * Returns a {@link FirebasePerformance} instance for the given app.
+ * @param app - The {@link @firebase/app#FirebaseApp} to use.
+ * @public
+ */
+export declare function getPerformance(app?: FirebaseApp): FirebasePerformance;
+/**
+ * Returns a {@link FirebasePerformance} instance for the given app. Can only be called once.
+ * @param app - The {@link @firebase/app#FirebaseApp} to use.
+ * @param settings - Optional settings for the {@link FirebasePerformance} instance.
+ * @public
+ */
+export declare function initializePerformance(app: FirebaseApp, settings?: PerformanceSettings): FirebasePerformance;
+/**
+ * Returns a new `PerformanceTrace` instance.
+ * @param performance - The {@link FirebasePerformance} instance to use.
+ * @param name - The name of the trace.
+ * @public
+ */
+export declare function trace(performance: FirebasePerformance, name: string): PerformanceTrace;
+export { FirebasePerformance, PerformanceSettings, PerformanceTrace };
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/public_types.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/public_types.d.ts
new file mode 100644
index 0000000..5f37697
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/public_types.d.ts
@@ -0,0 +1,136 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp } from '@firebase/app';
+/**
+ * Defines configuration options for the Performance Monitoring SDK.
+ *
+ * @public
+ */
+export interface PerformanceSettings {
+    /** Whether to collect custom events. */
+    dataCollectionEnabled?: boolean;
+    /** Whether to collect out of the box events. */
+    instrumentationEnabled?: boolean;
+}
+/**
+ * The Firebase Performance Monitoring service interface.
+ *
+ * @public
+ */
+export interface FirebasePerformance {
+    /**
+     * The {@link @firebase/app#FirebaseApp} this `FirebasePerformance` instance is associated with.
+     */
+    app: FirebaseApp;
+    /**
+     * Controls the logging of automatic traces and HTTP/S network monitoring.
+     */
+    instrumentationEnabled: boolean;
+    /**
+     * Controls the logging of custom traces.
+     */
+    dataCollectionEnabled: boolean;
+}
+/**
+ * The interface representing a `Trace`.
+ *
+ * @public
+ */
+export interface PerformanceTrace {
+    /**
+     * Starts the timing for the trace instance.
+     */
+    start(): void;
+    /**
+     * Stops the timing of the trace instance and logs the data of the instance.
+     */
+    stop(): void;
+    /**
+     * Records a trace from given parameters. This provides a direct way to use trace without a need to
+     * start/stop. This is useful for use cases in which the trace cannot directly be used
+     * (e.g. if the duration was captured before the Performance SDK was loaded).
+     *
+     * @param startTime - trace start time since epoch in millisec.
+     * @param duration - The duration of the trace in millisec.
+     * @param options - An object which can optionally hold maps of custom metrics and
+     * custom attributes.
+     */
+    record(startTime: number, duration: number, options?: {
+        metrics?: {
+            [key: string]: number;
+        };
+        attributes?: {
+            [key: string]: string;
+        };
+    }): void;
+    /**
+     * Adds to the value of a custom metric. If a custom metric with the provided name does not
+     * exist, it creates one with that name and the value equal to the given number. The value will be floored down to an
+     * integer.
+     *
+     * @param metricName - The name of the custom metric.
+     * @param num - The number to be added to the value of the custom metric. If not provided, it
+     * uses a default value of one.
+     */
+    incrementMetric(metricName: string, num?: number): void;
+    /**
+     * Sets the value of the specified custom metric to the given number regardless of whether
+     * a metric with that name already exists on the trace instance or not. The value will be floored down to an
+     * integer.
+     *
+     * @param metricName - Name of the custom metric.
+     * @param num - Value to of the custom metric.
+     */
+    putMetric(metricName: string, num: number): void;
+    /**
+     * Returns the value of the custom metric by that name. If a custom metric with that name does
+     * not exist will return zero.
+     *
+     * @param metricName - Name of the custom metric.
+     */
+    getMetric(metricName: string): number;
+    /**
+     * Set a custom attribute of a trace to a certain value.
+     *
+     * @param attr - Name of the custom attribute.
+     * @param value - Value of the custom attribute.
+     */
+    putAttribute(attr: string, value: string): void;
+    /**
+     * Retrieves the value which a custom attribute is set to.
+     *
+     * @param attr - Name of the custom attribute.
+     */
+    getAttribute(attr: string): string | undefined;
+    /**
+     * Removes the specified custom attribute from a trace instance.
+     *
+     * @param attr - Name of the custom attribute.
+     */
+    removeAttribute(attr: string): void;
+    /**
+     * Returns a map of all custom attributes of a trace instance.
+     */
+    getAttributes(): {
+        [key: string]: string;
+    };
+}
+declare module '@firebase/component' {
+    interface NameServiceMapping {
+        'performance': FirebasePerformance;
+    }
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/resources/network_request.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/resources/network_request.d.ts
new file mode 100644
index 0000000..cf7f15d
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/resources/network_request.d.ts
@@ -0,0 +1,43 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceController } from '../controllers/perf';
+export declare const enum HttpMethod {
+    HTTP_METHOD_UNKNOWN = 0,
+    GET = 1,
+    PUT = 2,
+    POST = 3,
+    DELETE = 4,
+    HEAD = 5,
+    PATCH = 6,
+    OPTIONS = 7,
+    TRACE = 8,
+    CONNECT = 9
+}
+export interface NetworkRequest {
+    performanceController: PerformanceController;
+    url: string;
+    httpMethod?: HttpMethod;
+    requestPayloadBytes?: number;
+    responsePayloadBytes?: number;
+    httpResponseCode?: number;
+    responseContentType?: string;
+    startTimeUs?: number;
+    timeToRequestCompletedUs?: number;
+    timeToResponseInitiatedUs?: number;
+    timeToResponseCompletedUs?: number;
+}
+export declare function createNetworkRequestEntry(performanceController: PerformanceController, entry: PerformanceEntry): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/resources/trace.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/resources/trace.d.ts
new file mode 100644
index 0000000..65d9ca4
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/resources/trace.d.ts
@@ -0,0 +1,121 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceTrace } from '../public_types';
+import { PerformanceController } from '../controllers/perf';
+import { CoreVitalMetric, WebVitalMetrics } from './web_vitals';
+export declare class Trace implements PerformanceTrace {
+    readonly performanceController: PerformanceController;
+    readonly name: string;
+    readonly isAuto: boolean;
+    private state;
+    startTimeUs: number;
+    durationUs: number;
+    private customAttributes;
+    counters: {
+        [counterName: string]: number;
+    };
+    private api;
+    private randomId;
+    private traceStartMark;
+    private traceStopMark;
+    private traceMeasure;
+    /**
+     * @param performanceController The performance controller running.
+     * @param name The name of the trace.
+     * @param isAuto If the trace is auto-instrumented.
+     * @param traceMeasureName The name of the measure marker in user timing specification. This field
+     * is only set when the trace is built for logging when the user directly uses the user timing
+     * api (performance.mark and performance.measure).
+     */
+    constructor(performanceController: PerformanceController, name: string, isAuto?: boolean, traceMeasureName?: string);
+    /**
+     * Starts a trace. The measurement of the duration starts at this point.
+     */
+    start(): void;
+    /**
+     * Stops the trace. The measurement of the duration of the trace stops at this point and trace
+     * is logged.
+     */
+    stop(): void;
+    /**
+     * Records a trace with predetermined values. If this method is used a trace is created and logged
+     * directly. No need to use start and stop methods.
+     * @param startTime Trace start time since epoch in millisec
+     * @param duration The duration of the trace in millisec
+     * @param options An object which can optionally hold maps of custom metrics and custom attributes
+     */
+    record(startTime: number, duration: number, options?: {
+        metrics?: {
+            [key: string]: number;
+        };
+        attributes?: {
+            [key: string]: string;
+        };
+    }): void;
+    /**
+     * Increments a custom metric by a certain number or 1 if number not specified. Will create a new
+     * custom metric if one with the given name does not exist. The value will be floored down to an
+     * integer.
+     * @param counter Name of the custom metric
+     * @param numAsInteger Increment by value
+     */
+    incrementMetric(counter: string, numAsInteger?: number): void;
+    /**
+     * Sets a custom metric to a specified value. Will create a new custom metric if one with the
+     * given name does not exist. The value will be floored down to an integer.
+     * @param counter Name of the custom metric
+     * @param numAsInteger Set custom metric to this value
+     */
+    putMetric(counter: string, numAsInteger: number): void;
+    /**
+     * Returns the value of the custom metric by that name. If a custom metric with that name does
+     * not exist will return zero.
+     * @param counter
+     */
+    getMetric(counter: string): number;
+    /**
+     * Sets a custom attribute of a trace to a certain value.
+     * @param attr
+     * @param value
+     */
+    putAttribute(attr: string, value: string): void;
+    /**
+     * Retrieves the value a custom attribute of a trace is set to.
+     * @param attr
+     */
+    getAttribute(attr: string): string | undefined;
+    removeAttribute(attr: string): void;
+    getAttributes(): {
+        [key: string]: string;
+    };
+    private setStartTime;
+    private setDuration;
+    /**
+     * Calculates and assigns the duration and start time of the trace using the measure performance
+     * entry.
+     */
+    private calculateTraceMetrics;
+    /**
+     * @param navigationTimings A single element array which contains the navigationTIming object of
+     * the page load
+     * @param paintTimings A array which contains paintTiming object of the page load
+     * @param firstInputDelay First input delay in millisec
+     */
+    static createOobTrace(performanceController: PerformanceController, navigationTimings: PerformanceNavigationTiming[], paintTimings: PerformanceEntry[], webVitalMetrics: WebVitalMetrics, firstInputDelay?: number): void;
+    static addWebVitalMetric(trace: Trace, metricKey: string, attributeKey: string, metric?: CoreVitalMetric): void;
+    static createUserTimingTrace(performanceController: PerformanceController, measureName: string): void;
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/resources/web_vitals.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/resources/web_vitals.d.ts
new file mode 100644
index 0000000..1d9f7a1
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/resources/web_vitals.d.ts
@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export interface CoreVitalMetric {
+    value: number;
+    elementAttribution?: string;
+}
+export interface WebVitalMetrics {
+    cls?: CoreVitalMetric;
+    inp?: CoreVitalMetric;
+    lcp?: CoreVitalMetric;
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/services/api_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/services/api_service.d.ts
new file mode 100644
index 0000000..e576c29
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/services/api_service.d.ts
@@ -0,0 +1,55 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { CLSMetricWithAttribution, INPMetricWithAttribution, LCPMetricWithAttribution } from 'web-vitals/attribution';
+declare global {
+    interface Window {
+        PerformanceObserver: typeof PerformanceObserver;
+        perfMetrics?: {
+            onFirstInputDelay(fn: (fid: number) => void): void;
+        };
+    }
+}
+export type EntryType = 'mark' | 'measure' | 'paint' | 'resource' | 'frame' | 'navigation';
+/**
+ * This class holds a reference to various browser related objects injected by
+ * set methods.
+ */
+export declare class Api {
+    readonly window?: Window | undefined;
+    private readonly performance;
+    /** PerformanceObserver constructor function. */
+    private readonly PerformanceObserver;
+    private readonly windowLocation;
+    readonly onFirstInputDelay?: (fn: (fid: number) => void) => void;
+    readonly onLCP: (fn: (metric: LCPMetricWithAttribution) => void) => void;
+    readonly onINP: (fn: (metric: INPMetricWithAttribution) => void) => void;
+    readonly onCLS: (fn: (metric: CLSMetricWithAttribution) => void) => void;
+    readonly localStorage?: Storage;
+    readonly document: Document;
+    readonly navigator: Navigator;
+    constructor(window?: Window | undefined);
+    getUrl(): string;
+    mark(name: string): void;
+    measure(measureName: string, mark1: string, mark2: string): void;
+    getEntriesByType(type: EntryType): PerformanceEntry[];
+    getEntriesByName(name: string): PerformanceEntry[];
+    getTimeOrigin(): number;
+    requiredApisAvailable(): boolean;
+    setupObserver(entryType: EntryType, callback: (entry: PerformanceEntry) => void): void;
+    static getInstance(): Api;
+}
+export declare function setupApi(window: Window): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/services/iid_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/services/iid_service.d.ts
new file mode 100644
index 0000000..c3387d7
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/services/iid_service.d.ts
@@ -0,0 +1,21 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { _FirebaseInstallationsInternal } from '@firebase/installations';
+export declare function getIidPromise(installationsService: _FirebaseInstallationsInternal): Promise<string>;
+export declare function getIid(): string | undefined;
+export declare function getAuthTokenPromise(installationsService: _FirebaseInstallationsInternal): Promise<string>;
+export declare function getAuthenticationToken(): string | undefined;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/services/initialization_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/services/initialization_service.d.ts
new file mode 100644
index 0000000..3e16a52
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/services/initialization_service.d.ts
@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceController } from '../controllers/perf';
+export declare function getInitializationPromise(performanceController: PerformanceController): Promise<void>;
+export declare function isPerfInitialized(): boolean;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/services/oob_resources_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/services/oob_resources_service.d.ts
new file mode 100644
index 0000000..2109a59
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/services/oob_resources_service.d.ts
@@ -0,0 +1,23 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceController } from '../controllers/perf';
+export declare function setupOobResources(performanceController: PerformanceController): void;
+/**
+ * This service will only export the page load trace once. This function allows
+ * resetting it for unit tests
+ */
+export declare function resetForUnitTests(): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/services/perf_logger.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/services/perf_logger.d.ts
new file mode 100644
index 0000000..f9dc083
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/services/perf_logger.d.ts
@@ -0,0 +1,21 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { NetworkRequest } from '../resources/network_request';
+import { Trace } from '../resources/trace';
+export declare function logTrace(trace: Trace): void;
+export declare function flushLogs(): void;
+export declare function logNetworkRequest(networkRequest: NetworkRequest): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/services/remote_config_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/services/remote_config_service.d.ts
new file mode 100644
index 0000000..22aeb58
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/services/remote_config_service.d.ts
@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { PerformanceController } from '../controllers/perf';
+export declare function getConfig(performanceController: PerformanceController, iid: string): Promise<void>;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/services/settings_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/services/settings_service.d.ts
new file mode 100644
index 0000000..c343189
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/services/settings_service.d.ts
@@ -0,0 +1,33 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare class SettingsService {
+    instrumentationEnabled: boolean;
+    dataCollectionEnabled: boolean;
+    loggingEnabled: boolean;
+    tracesSamplingRate: number;
+    networkRequestsSamplingRate: number;
+    logEndPointUrl: string;
+    flTransportEndpointUrl: string;
+    transportKey: string;
+    logSource: number;
+    logTraceAfterSampling: boolean;
+    logNetworkAfterSampling: boolean;
+    configTimeToLive: number;
+    logMaxFlushSize: number;
+    getFlTransportFullUrl(): string;
+    static getInstance(): SettingsService;
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/services/transport_service.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/services/transport_service.d.ts
new file mode 100644
index 0000000..d204a91
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/services/transport_service.d.ts
@@ -0,0 +1,29 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare function setupTransportService(): void;
+/**
+ * Utilized by testing to clean up message queue and un-initialize transport service.
+ */
+export declare function resetTransportService(): void;
+/** Log handler for cc service to send the performance logs to the server. */
+export declare function transportHandler(serializer: (...args: any[]) => string): (...args: unknown[]) => void;
+/**
+ * Force flush the queued events. Useful at page unload time to ensure all events are uploaded.
+ * Flush will attempt to use sendBeacon to send events async and defaults back to fetch as soon as a
+ * sendBeacon fails. Firefox
+ */
+export declare function flushQueuedEvents(): void;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/tsdoc-metadata.json b/frontend-old/node_modules/@firebase/performance/dist/src/tsdoc-metadata.json
new file mode 100644
index 0000000..6af1f6a
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/tsdoc-metadata.json
@@ -0,0 +1,11 @@
+// This file is read by tools that parse documentation comments conforming to the TSDoc standard.
+// It should be published with your NPM package.  It should not be tracked by Git.
+{
+  "tsdocVersion": "0.12",
+  "toolPackages": [
+    {
+      "packageName": "@microsoft/api-extractor",
+      "packageVersion": "0.1.2"
+    }
+  ]
+}
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/utils/app_utils.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/utils/app_utils.d.ts
new file mode 100644
index 0000000..3c86d5a
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/utils/app_utils.d.ts
@@ -0,0 +1,20 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { FirebaseApp } from '@firebase/app';
+export declare function getAppId(firebaseApp: FirebaseApp): string;
+export declare function getProjectId(firebaseApp: FirebaseApp): string;
+export declare function getApiKey(firebaseApp: FirebaseApp): string;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/utils/attributes_utils.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/utils/attributes_utils.d.ts
new file mode 100644
index 0000000..bbdcd52
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/utils/attributes_utils.d.ts
@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+declare const enum ServiceWorkerStatus {
+    UNKNOWN = 0,
+    UNSUPPORTED = 1,
+    CONTROLLED = 2,
+    UNCONTROLLED = 3
+}
+export declare enum VisibilityState {
+    UNKNOWN = 0,
+    VISIBLE = 1,
+    HIDDEN = 2
+}
+declare const enum EffectiveConnectionType {
+    UNKNOWN = 0,
+    CONNECTION_SLOW_2G = 1,
+    CONNECTION_2G = 2,
+    CONNECTION_3G = 3,
+    CONNECTION_4G = 4
+}
+export declare const MAX_ATTRIBUTE_VALUE_LENGTH = 100;
+export declare function getServiceWorkerStatus(): ServiceWorkerStatus;
+export declare function getVisibilityState(): VisibilityState;
+export declare function getEffectiveConnectionType(): EffectiveConnectionType;
+export declare function isValidCustomAttributeName(name: string): boolean;
+export declare function isValidCustomAttributeValue(value: string): boolean;
+export {};
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/utils/console_logger.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/utils/console_logger.d.ts
new file mode 100644
index 0000000..3049fb6
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/utils/console_logger.d.ts
@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Logger } from '@firebase/logger';
+export declare const consoleLogger: Logger;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/utils/errors.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/utils/errors.d.ts
new file mode 100644
index 0000000..8db0240
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/utils/errors.d.ts
@@ -0,0 +1,60 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ErrorFactory } from '@firebase/util';
+export declare const enum ErrorCode {
+    TRACE_STARTED_BEFORE = "trace started",
+    TRACE_STOPPED_BEFORE = "trace stopped",
+    NONPOSITIVE_TRACE_START_TIME = "nonpositive trace startTime",
+    NONPOSITIVE_TRACE_DURATION = "nonpositive trace duration",
+    NO_WINDOW = "no window",
+    NO_APP_ID = "no app id",
+    NO_PROJECT_ID = "no project id",
+    NO_API_KEY = "no api key",
+    INVALID_CC_LOG = "invalid cc log",
+    FB_NOT_DEFAULT = "FB not default",
+    RC_NOT_OK = "RC response not ok",
+    INVALID_ATTRIBUTE_NAME = "invalid attribute name",
+    INVALID_ATTRIBUTE_VALUE = "invalid attribute value",
+    INVALID_CUSTOM_METRIC_NAME = "invalid custom metric name",
+    INVALID_STRING_MERGER_PARAMETER = "invalid String merger input",
+    ALREADY_INITIALIZED = "already initialized"
+}
+interface ErrorParams {
+    [ErrorCode.TRACE_STARTED_BEFORE]: {
+        traceName: string;
+    };
+    [ErrorCode.TRACE_STOPPED_BEFORE]: {
+        traceName: string;
+    };
+    [ErrorCode.NONPOSITIVE_TRACE_START_TIME]: {
+        traceName: string;
+    };
+    [ErrorCode.NONPOSITIVE_TRACE_DURATION]: {
+        traceName: string;
+    };
+    [ErrorCode.INVALID_ATTRIBUTE_NAME]: {
+        attributeName: string;
+    };
+    [ErrorCode.INVALID_ATTRIBUTE_VALUE]: {
+        attributeValue: string;
+    };
+    [ErrorCode.INVALID_CUSTOM_METRIC_NAME]: {
+        customMetricName: string;
+    };
+}
+export declare const ERROR_FACTORY: ErrorFactory<ErrorCode, ErrorParams>;
+export {};
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/utils/metric_utils.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/utils/metric_utils.d.ts
new file mode 100644
index 0000000..9639f76
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/utils/metric_utils.d.ts
@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Returns true if the metric is custom and does not start with reserved prefix, or if
+ * the metric is one of out of the box page load trace metrics.
+ */
+export declare function isValidMetricName(name: string, traceName?: string): boolean;
+/**
+ * Converts the provided value to an integer value to be used in case of a metric.
+ * @param providedValue Provided number value of the metric that needs to be converted to an integer.
+ *
+ * @returns Converted integer number to be set for the metric.
+ */
+export declare function convertMetricValueToInteger(providedValue: number): number;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/src/utils/string_merger.d.ts b/frontend-old/node_modules/@firebase/performance/dist/src/utils/string_merger.d.ts
new file mode 100644
index 0000000..4bdb19e
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/src/utils/string_merger.d.ts
@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export declare function mergeStrings(part1: string, part2: string): string;
diff --git a/frontend-old/node_modules/@firebase/performance/dist/test/setup.d.ts b/frontend-old/node_modules/@firebase/performance/dist/test/setup.d.ts
new file mode 100644
index 0000000..731d2d9
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/dist/test/setup.d.ts
@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export {};
diff --git a/frontend-old/node_modules/@firebase/performance/package.json b/frontend-old/node_modules/@firebase/performance/package.json
new file mode 100644
index 0000000..20a1573
--- /dev/null
+++ b/frontend-old/node_modules/@firebase/performance/package.json
@@ -0,0 +1,71 @@
+{
+  "name": "@firebase/performance",
+  "version": "0.7.9",
+  "description": "Firebase performance for web",
+  "author": "Firebase <firebase-support@google.com> (https://firebase.google.com/)",
+  "main": "dist/index.cjs.js",
+  "browser": "dist/esm/index.esm.js",
+  "module": "dist/esm/index.esm.js",
+  "exports": {
+    ".": {
+      "types": "./dist/src/index.d.ts",
+      "require": "./dist/index.cjs.js",
+      "default": "./dist/esm/index.esm.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "lint": "eslint -c .eslintrc.js '**/*.ts' --ignore-path '../../.gitignore'",
+    "lint:fix": "eslint --fix -c .eslintrc.js '**/*.ts' --ignore-path '../../.gitignore'",
+    "build": "rollup -c && yarn api-report",
+    "build:deps": "lerna run --scope @firebase/performance --include-dependencies build",
+    "build:release": "yarn build",
+    "dev": "rollup -c -w",
+    "test": "run-p --npm-path npm lint test:browser",
+    "test:ci": "node ../../scripts/run_tests_in_ci.js -s test:browser",
+    "test:browser": "karma start",
+    "test:debug": "karma start --browsers=Chrome --auto-watch",
+    "trusted-type-check": "tsec -p tsconfig.json --noEmit",
+    "prettier": "prettier --write '{src,test}/**/*.{js,ts}'",
+    "api-report": "api-extractor run --local --verbose",
+    "doc": "api-documenter markdown --input temp --output docs",
+    "build:doc": "yarn build && yarn doc"
+  },
+  "peerDependencies": {
+    "@firebase/app": "0.x"
+  },
+  "dependencies": {
+    "@firebase/logger": "0.5.0",
+    "@firebase/installations": "0.6.19",
+    "@firebase/util": "1.13.0",
+    "@firebase/component": "0.7.0",
+    "tslib": "^2.1.0",
+    "web-vitals": "^4.2.4"
+  },
+  "license": "Apache-2.0",
+  "devDependencies": {
+    "@firebase/app": "0.14.1",
+    "rollup": "2.79.2",
+    "@rollup/plugin-json": "6.1.0",
+    "rollup-plugin-typescript2": "0.36.0",
+    "typescript": "5.5.4"
+  },
+  "repository": {
+    "directory": "packages/performance",
+    "type": "git",
+    "url": "git+https://github.com/firebase/firebase-js-sdk.git"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  },
+  "typings": "dist/src/index.d.ts",
+  "nyc": {
+    "extension": [
+      ".ts"
+    ],
+    "reportDir": "./coverage/node"
+  }
+}