From 8eff962cab608341a6f2fedc640a0e32d96f26e2 Mon Sep 17 00:00:00 2001 From: altaf-creator Date: Sun, 9 Nov 2025 11:15:19 +0800 Subject: pain --- .../@firebase/analytics/dist/index.cjs.js | 1287 ++++++++++++++++++++ 1 file changed, 1287 insertions(+) create mode 100644 frontend-old/node_modules/@firebase/analytics/dist/index.cjs.js (limited to 'frontend-old/node_modules/@firebase/analytics/dist/index.cjs.js') diff --git a/frontend-old/node_modules/@firebase/analytics/dist/index.cjs.js b/frontend-old/node_modules/@firebase/analytics/dist/index.cjs.js new file mode 100644 index 0000000..0d6cdfe --- /dev/null +++ b/frontend-old/node_modules/@firebase/analytics/dist/index.cjs.js @@ -0,0 +1,1287 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var app = require('@firebase/app'); +var logger$1 = require('@firebase/logger'); +var util = require('@firebase/util'); +var component = require('@firebase/component'); +require('@firebase/installations'); + +/** + * @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. + */ +/** + * Type constant for Firebase Analytics. + */ +const ANALYTICS_TYPE = 'analytics'; +// Key to attach FID to in gtag params. +const GA_FID_KEY = 'firebase_id'; +const ORIGIN_KEY = 'origin'; +const FETCH_TIMEOUT_MILLIS = 60 * 1000; +const DYNAMIC_CONFIG_URL = 'https://firebase.googleapis.com/v1alpha/projects/-/apps/{app-id}/webConfig'; +const GTAG_URL = 'https://www.googletagmanager.com/gtag/js'; + +/** + * @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. + */ +const logger = new logger$1.Logger('@firebase/analytics'); + +/** + * @license + * Copyright 2019 Google LLC + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +const ERRORS = { + ["already-exists" /* AnalyticsError.ALREADY_EXISTS */]: 'A Firebase Analytics instance with the appId {$id} ' + + ' already exists. ' + + 'Only one Firebase Analytics instance can be created for each appId.', + ["already-initialized" /* AnalyticsError.ALREADY_INITIALIZED */]: 'initializeAnalytics() cannot be called again with different options than those ' + + 'it was initially called with. It can be called again with the same options to ' + + 'return the existing instance, or getAnalytics() can be used ' + + 'to get a reference to the already-initialized instance.', + ["already-initialized-settings" /* AnalyticsError.ALREADY_INITIALIZED_SETTINGS */]: 'Firebase Analytics has already been initialized.' + + 'settings() must be called before initializing any Analytics instance' + + 'or it will have no effect.', + ["interop-component-reg-failed" /* AnalyticsError.INTEROP_COMPONENT_REG_FAILED */]: 'Firebase Analytics Interop Component failed to instantiate: {$reason}', + ["invalid-analytics-context" /* AnalyticsError.INVALID_ANALYTICS_CONTEXT */]: 'Firebase Analytics is not supported in this environment. ' + + 'Wrap initialization of analytics in analytics.isSupported() ' + + 'to prevent initialization in unsupported environments. Details: {$errorInfo}', + ["indexeddb-unavailable" /* AnalyticsError.INDEXEDDB_UNAVAILABLE */]: 'IndexedDB unavailable or restricted in this environment. ' + + 'Wrap initialization of analytics in analytics.isSupported() ' + + 'to prevent initialization in unsupported environments. Details: {$errorInfo}', + ["fetch-throttle" /* AnalyticsError.FETCH_THROTTLE */]: 'The config fetch request timed out while in an exponential backoff state.' + + ' Unix timestamp in milliseconds when fetch request throttling ends: {$throttleEndTimeMillis}.', + ["config-fetch-failed" /* AnalyticsError.CONFIG_FETCH_FAILED */]: 'Dynamic config fetch failed: [{$httpStatus}] {$responseMessage}', + ["no-api-key" /* AnalyticsError.NO_API_KEY */]: 'The "apiKey" field is empty in the local Firebase config. Firebase Analytics requires this field to' + + 'contain a valid API key.', + ["no-app-id" /* AnalyticsError.NO_APP_ID */]: 'The "appId" field is empty in the local Firebase config. Firebase Analytics requires this field to' + + 'contain a valid app ID.', + ["no-client-id" /* AnalyticsError.NO_CLIENT_ID */]: 'The "client_id" field is empty.', + ["invalid-gtag-resource" /* AnalyticsError.INVALID_GTAG_RESOURCE */]: 'Trusted Types detected an invalid gtag resource: {$gtagURL}.' +}; +const ERROR_FACTORY = new util.ErrorFactory('analytics', 'Analytics', ERRORS); + +/** + * @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. + */ +/** + * Verifies and creates a TrustedScriptURL. + */ +function createGtagTrustedTypesScriptURL(url) { + if (!url.startsWith(GTAG_URL)) { + const err = ERROR_FACTORY.create("invalid-gtag-resource" /* AnalyticsError.INVALID_GTAG_RESOURCE */, { + gtagURL: url + }); + logger.warn(err.message); + return ''; + } + return url; +} +/** + * Makeshift polyfill for Promise.allSettled(). Resolves when all promises + * have either resolved or rejected. + * + * @param promises Array of promises to wait for. + */ +function promiseAllSettled(promises) { + return Promise.all(promises.map(promise => promise.catch(e => e))); +} +/** + * Creates a TrustedTypePolicy object that implements the rules passed as policyOptions. + * + * @param policyName A string containing the name of the policy + * @param policyOptions Object containing implementations of instance methods for TrustedTypesPolicy, see {@link https://developer.mozilla.org/en-US/docs/Web/API/TrustedTypePolicy#instance_methods + * | the TrustedTypePolicy reference documentation}. + */ +function createTrustedTypesPolicy(policyName, policyOptions) { + // Create a TrustedTypes policy that we can use for updating src + // properties + let trustedTypesPolicy; + if (window.trustedTypes) { + trustedTypesPolicy = window.trustedTypes.createPolicy(policyName, policyOptions); + } + return trustedTypesPolicy; +} +/** + * Inserts gtag script tag into the page to asynchronously download gtag. + * @param dataLayerName Name of datalayer (most often the default, "_dataLayer"). + */ +function insertScriptTag(dataLayerName, measurementId) { + const trustedTypesPolicy = createTrustedTypesPolicy('firebase-js-sdk-policy', { + createScriptURL: createGtagTrustedTypesScriptURL + }); + const script = document.createElement('script'); + // We are not providing an analyticsId in the URL because it would trigger a `page_view` + // without fid. We will initialize ga-id using gtag (config) command together with fid. + const gtagScriptURL = `${GTAG_URL}?l=${dataLayerName}&id=${measurementId}`; + script.src = trustedTypesPolicy + ? trustedTypesPolicy?.createScriptURL(gtagScriptURL) + : gtagScriptURL; + script.async = true; + document.head.appendChild(script); +} +/** + * Get reference to, or create, global datalayer. + * @param dataLayerName Name of datalayer (most often the default, "_dataLayer"). + */ +function getOrCreateDataLayer(dataLayerName) { + // Check for existing dataLayer and create if needed. + let dataLayer = []; + if (Array.isArray(window[dataLayerName])) { + dataLayer = window[dataLayerName]; + } + else { + window[dataLayerName] = dataLayer; + } + return dataLayer; +} +/** + * Wrapped gtag logic when gtag is called with 'config' command. + * + * @param gtagCore Basic gtag function that just appends to dataLayer. + * @param initializationPromisesMap Map of appIds to their initialization promises. + * @param dynamicConfigPromisesList Array of dynamic config fetch promises. + * @param measurementIdToAppId Map of GA measurementIDs to corresponding Firebase appId. + * @param measurementId GA Measurement ID to set config for. + * @param gtagParams Gtag config params to set. + */ +async function gtagOnConfig(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, measurementIdToAppId, measurementId, gtagParams) { + // If config is already fetched, we know the appId and can use it to look up what FID promise we + /// are waiting for, and wait only on that one. + const correspondingAppId = measurementIdToAppId[measurementId]; + try { + if (correspondingAppId) { + await initializationPromisesMap[correspondingAppId]; + } + else { + // If config is not fetched yet, wait for all configs (we don't know which one we need) and + // find the appId (if any) corresponding to this measurementId. If there is one, wait on + // that appId's initialization promise. If there is none, promise resolves and gtag + // call goes through. + const dynamicConfigResults = await promiseAllSettled(dynamicConfigPromisesList); + const foundConfig = dynamicConfigResults.find(config => config.measurementId === measurementId); + if (foundConfig) { + await initializationPromisesMap[foundConfig.appId]; + } + } + } + catch (e) { + logger.error(e); + } + gtagCore("config" /* GtagCommand.CONFIG */, measurementId, gtagParams); +} +/** + * Wrapped gtag logic when gtag is called with 'event' command. + * + * @param gtagCore Basic gtag function that just appends to dataLayer. + * @param initializationPromisesMap Map of appIds to their initialization promises. + * @param dynamicConfigPromisesList Array of dynamic config fetch promises. + * @param measurementId GA Measurement ID to log event to. + * @param gtagParams Params to log with this event. + */ +async function gtagOnEvent(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, measurementId, gtagParams) { + try { + let initializationPromisesToWaitFor = []; + // If there's a 'send_to' param, check if any ID specified matches + // an initializeIds() promise we are waiting for. + if (gtagParams && gtagParams['send_to']) { + let gaSendToList = gtagParams['send_to']; + // Make it an array if is isn't, so it can be dealt with the same way. + if (!Array.isArray(gaSendToList)) { + gaSendToList = [gaSendToList]; + } + // Checking 'send_to' fields requires having all measurement ID results back from + // the dynamic config fetch. + const dynamicConfigResults = await promiseAllSettled(dynamicConfigPromisesList); + for (const sendToId of gaSendToList) { + // Any fetched dynamic measurement ID that matches this 'send_to' ID + const foundConfig = dynamicConfigResults.find(config => config.measurementId === sendToId); + const initializationPromise = foundConfig && initializationPromisesMap[foundConfig.appId]; + if (initializationPromise) { + initializationPromisesToWaitFor.push(initializationPromise); + } + else { + // Found an item in 'send_to' that is not associated + // directly with an FID, possibly a group. Empty this array, + // exit the loop early, and let it get populated below. + initializationPromisesToWaitFor = []; + break; + } + } + } + // This will be unpopulated if there was no 'send_to' field , or + // if not all entries in the 'send_to' field could be mapped to + // a FID. In these cases, wait on all pending initialization promises. + if (initializationPromisesToWaitFor.length === 0) { + /* eslint-disable-next-line @typescript-eslint/no-floating-promises */ + initializationPromisesToWaitFor = Object.values(initializationPromisesMap); + } + // Run core gtag function with args after all relevant initialization + // promises have been resolved. + await Promise.all(initializationPromisesToWaitFor); + // Workaround for http://b/141370449 - third argument cannot be undefined. + gtagCore("event" /* GtagCommand.EVENT */, measurementId, gtagParams || {}); + } + catch (e) { + logger.error(e); + } +} +/** + * Wraps a standard gtag function with extra code to wait for completion of + * relevant initialization promises before sending requests. + * + * @param gtagCore Basic gtag function that just appends to dataLayer. + * @param initializationPromisesMap Map of appIds to their initialization promises. + * @param dynamicConfigPromisesList Array of dynamic config fetch promises. + * @param measurementIdToAppId Map of GA measurementIDs to corresponding Firebase appId. + */ +function wrapGtag(gtagCore, +/** + * Allows wrapped gtag calls to wait on whichever initialization promises are required, + * depending on the contents of the gtag params' `send_to` field, if any. + */ +initializationPromisesMap, +/** + * Wrapped gtag calls sometimes require all dynamic config fetches to have returned + * before determining what initialization promises (which include FIDs) to wait for. + */ +dynamicConfigPromisesList, +/** + * Wrapped gtag config calls can narrow down which initialization promise (with FID) + * to wait for if the measurementId is already fetched, by getting the corresponding appId, + * which is the key for the initialization promises map. + */ +measurementIdToAppId) { + /** + * Wrapper around gtag that ensures FID is sent with gtag calls. + * @param command Gtag command type. + * @param idOrNameOrParams Measurement ID if command is EVENT/CONFIG, params if command is SET. + * @param gtagParams Params if event is EVENT/CONFIG. + */ + async function gtagWrapper(command, ...args) { + try { + // If event, check that relevant initialization promises have completed. + if (command === "event" /* GtagCommand.EVENT */) { + const [measurementId, gtagParams] = args; + // If EVENT, second arg must be measurementId. + await gtagOnEvent(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, measurementId, gtagParams); + } + else if (command === "config" /* GtagCommand.CONFIG */) { + const [measurementId, gtagParams] = args; + // If CONFIG, second arg must be measurementId. + await gtagOnConfig(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, measurementIdToAppId, measurementId, gtagParams); + } + else if (command === "consent" /* GtagCommand.CONSENT */) { + const [consentAction, gtagParams] = args; + // consentAction can be one of 'default' or 'update'. + gtagCore("consent" /* GtagCommand.CONSENT */, consentAction, gtagParams); + } + else if (command === "get" /* GtagCommand.GET */) { + const [measurementId, fieldName, callback] = args; + gtagCore("get" /* GtagCommand.GET */, measurementId, fieldName, callback); + } + else if (command === "set" /* GtagCommand.SET */) { + const [customParams] = args; + // If SET, second arg must be params. + gtagCore("set" /* GtagCommand.SET */, customParams); + } + else { + gtagCore(command, ...args); + } + } + catch (e) { + logger.error(e); + } + } + return gtagWrapper; +} +/** + * Creates global gtag function or wraps existing one if found. + * This wrapped function attaches Firebase instance ID (FID) to gtag 'config' and + * 'event' calls that belong to the GAID associated with this Firebase instance. + * + * @param initializationPromisesMap Map of appIds to their initialization promises. + * @param dynamicConfigPromisesList Array of dynamic config fetch promises. + * @param measurementIdToAppId Map of GA measurementIDs to corresponding Firebase appId. + * @param dataLayerName Name of global GA datalayer array. + * @param gtagFunctionName Name of global gtag function ("gtag" if not user-specified). + */ +function wrapOrCreateGtag(initializationPromisesMap, dynamicConfigPromisesList, measurementIdToAppId, dataLayerName, gtagFunctionName) { + // Create a basic core gtag function + let gtagCore = function (..._args) { + // Must push IArguments object, not an array. + window[dataLayerName].push(arguments); + }; + // Replace it with existing one if found + if (window[gtagFunctionName] && + typeof window[gtagFunctionName] === 'function') { + // @ts-ignore + gtagCore = window[gtagFunctionName]; + } + window[gtagFunctionName] = wrapGtag(gtagCore, initializationPromisesMap, dynamicConfigPromisesList, measurementIdToAppId); + return { + gtagCore, + wrappedGtag: window[gtagFunctionName] + }; +} +/** + * Returns the script tag in the DOM matching both the gtag url pattern + * and the provided data layer name. + */ +function findGtagScriptOnPage(dataLayerName) { + const scriptTags = window.document.getElementsByTagName('script'); + for (const tag of Object.values(scriptTags)) { + if (tag.src && + tag.src.includes(GTAG_URL) && + tag.src.includes(dataLayerName)) { + return tag; + } + } + return null; +} + +/** + * @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. + */ +/** + * Backoff factor for 503 errors, which we want to be conservative about + * to avoid overloading servers. Each retry interval will be + * BASE_INTERVAL_MILLIS * LONG_RETRY_FACTOR ^ retryCount, so the second one + * will be ~30 seconds (with fuzzing). + */ +const LONG_RETRY_FACTOR = 30; +/** + * Base wait interval to multiplied by backoffFactor^backoffCount. + */ +const BASE_INTERVAL_MILLIS = 1000; +/** + * Stubbable retry data storage class. + */ +class RetryData { + constructor(throttleMetadata = {}, intervalMillis = BASE_INTERVAL_MILLIS) { + this.throttleMetadata = throttleMetadata; + this.intervalMillis = intervalMillis; + } + getThrottleMetadata(appId) { + return this.throttleMetadata[appId]; + } + setThrottleMetadata(appId, metadata) { + this.throttleMetadata[appId] = metadata; + } + deleteThrottleMetadata(appId) { + delete this.throttleMetadata[appId]; + } +} +const defaultRetryData = new RetryData(); +/** + * Set GET request headers. + * @param apiKey App API key. + */ +function getHeaders(apiKey) { + return new Headers({ + Accept: 'application/json', + 'x-goog-api-key': apiKey + }); +} +/** + * Fetches dynamic config from backend. + * @param app Firebase app to fetch config for. + */ +async function fetchDynamicConfig(appFields) { + const { appId, apiKey } = appFields; + const request = { + method: 'GET', + headers: getHeaders(apiKey) + }; + const appUrl = DYNAMIC_CONFIG_URL.replace('{app-id}', appId); + const response = await fetch(appUrl, request); + if (response.status !== 200 && response.status !== 304) { + let errorMessage = ''; + try { + // Try to get any error message text from server response. + const jsonResponse = (await response.json()); + if (jsonResponse.error?.message) { + errorMessage = jsonResponse.error.message; + } + } + catch (_ignored) { } + throw ERROR_FACTORY.create("config-fetch-failed" /* AnalyticsError.CONFIG_FETCH_FAILED */, { + httpStatus: response.status, + responseMessage: errorMessage + }); + } + return response.json(); +} +/** + * Fetches dynamic config from backend, retrying if failed. + * @param app Firebase app to fetch config for. + */ +async function fetchDynamicConfigWithRetry(app, +// retryData and timeoutMillis are parameterized to allow passing a different value for testing. +retryData = defaultRetryData, timeoutMillis) { + const { appId, apiKey, measurementId } = app.options; + if (!appId) { + throw ERROR_FACTORY.create("no-app-id" /* AnalyticsError.NO_APP_ID */); + } + if (!apiKey) { + if (measurementId) { + return { + measurementId, + appId + }; + } + throw ERROR_FACTORY.create("no-api-key" /* AnalyticsError.NO_API_KEY */); + } + const throttleMetadata = retryData.getThrottleMetadata(appId) || { + backoffCount: 0, + throttleEndTimeMillis: Date.now() + }; + const signal = new AnalyticsAbortSignal(); + setTimeout(async () => { + // Note a very low delay, eg < 10ms, can elapse before listeners are initialized. + signal.abort(); + }, timeoutMillis !== undefined ? timeoutMillis : FETCH_TIMEOUT_MILLIS); + return attemptFetchDynamicConfigWithRetry({ appId, apiKey, measurementId }, throttleMetadata, signal, retryData); +} +/** + * Runs one retry attempt. + * @param appFields Necessary app config fields. + * @param throttleMetadata Ongoing metadata to determine throttling times. + * @param signal Abort signal. + */ +async function attemptFetchDynamicConfigWithRetry(appFields, { throttleEndTimeMillis, backoffCount }, signal, retryData = defaultRetryData // for testing +) { + const { appId, measurementId } = appFields; + // Starts with a (potentially zero) timeout to support resumption from stored state. + // Ensures the throttle end time is honored if the last attempt timed out. + // Note the SDK will never make a request if the fetch timeout expires at this point. + try { + await setAbortableTimeout(signal, throttleEndTimeMillis); + } + catch (e) { + if (measurementId) { + logger.warn(`Timed out fetching this Firebase app's measurement ID from the server.` + + ` Falling back to the measurement ID ${measurementId}` + + ` provided in the "measurementId" field in the local Firebase config. [${e?.message}]`); + return { appId, measurementId }; + } + throw e; + } + try { + const response = await fetchDynamicConfig(appFields); + // Note the SDK only clears throttle state if response is success or non-retriable. + retryData.deleteThrottleMetadata(appId); + return response; + } + catch (e) { + const error = e; + if (!isRetriableError(error)) { + retryData.deleteThrottleMetadata(appId); + if (measurementId) { + logger.warn(`Failed to fetch this Firebase app's measurement ID from the server.` + + ` Falling back to the measurement ID ${measurementId}` + + ` provided in the "measurementId" field in the local Firebase config. [${error?.message}]`); + return { appId, measurementId }; + } + else { + throw e; + } + } + const backoffMillis = Number(error?.customData?.httpStatus) === 503 + ? util.calculateBackoffMillis(backoffCount, retryData.intervalMillis, LONG_RETRY_FACTOR) + : util.calculateBackoffMillis(backoffCount, retryData.intervalMillis); + // Increments backoff state. + const throttleMetadata = { + throttleEndTimeMillis: Date.now() + backoffMillis, + backoffCount: backoffCount + 1 + }; + // Persists state. + retryData.setThrottleMetadata(appId, throttleMetadata); + logger.debug(`Calling attemptFetch again in ${backoffMillis} millis`); + return attemptFetchDynamicConfigWithRetry(appFields, throttleMetadata, signal, retryData); + } +} +/** + * Supports waiting on a backoff by: + * + * + * + *

Visible for testing. + */ +function setAbortableTimeout(signal, throttleEndTimeMillis) { + return new Promise((resolve, reject) => { + // Derives backoff from given end time, normalizing negative numbers to zero. + const backoffMillis = Math.max(throttleEndTimeMillis - Date.now(), 0); + const timeout = setTimeout(resolve, backoffMillis); + // Adds listener, rather than sets onabort, because signal is a shared object. + signal.addEventListener(() => { + clearTimeout(timeout); + // If the request completes before this timeout, the rejection has no effect. + reject(ERROR_FACTORY.create("fetch-throttle" /* AnalyticsError.FETCH_THROTTLE */, { + throttleEndTimeMillis + })); + }); + }); +} +/** + * Returns true if the {@link Error} indicates a fetch request may succeed later. + */ +function isRetriableError(e) { + if (!(e instanceof util.FirebaseError) || !e.customData) { + return false; + } + // Uses string index defined by ErrorData, which FirebaseError implements. + const httpStatus = Number(e.customData['httpStatus']); + return (httpStatus === 429 || + httpStatus === 500 || + httpStatus === 503 || + httpStatus === 504); +} +/** + * Shims a minimal AbortSignal (copied from Remote Config). + * + *

AbortController's AbortSignal conveniently decouples fetch timeout logic from other aspects + * of networking, such as retries. Firebase doesn't use AbortController enough to justify a + * polyfill recommendation, like we do with the Fetch API, but this minimal shim can easily be + * swapped out if/when we do. + */ +class AnalyticsAbortSignal { + constructor() { + this.listeners = []; + } + addEventListener(listener) { + this.listeners.push(listener); + } + abort() { + this.listeners.forEach(listener => listener()); + } +} + +/** + * @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. + */ +/** + * Event parameters to set on 'gtag' during initialization. + */ +let defaultEventParametersForInit; +/** + * Logs an analytics event through the Firebase SDK. + * + * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event + * @param eventName Google Analytics event name, choose from standard list or use a custom string. + * @param eventParams Analytics event parameters. + */ +async function logEvent$1(gtagFunction, initializationPromise, eventName, eventParams, options) { + if (options && options.global) { + gtagFunction("event" /* GtagCommand.EVENT */, eventName, eventParams); + return; + } + else { + const measurementId = await initializationPromise; + const params = { + ...eventParams, + 'send_to': measurementId + }; + gtagFunction("event" /* GtagCommand.EVENT */, eventName, params); + } +} +/** + * Set screen_name parameter for this Google Analytics ID. + * + * @deprecated Use {@link logEvent} with `eventName` as 'screen_view' and add relevant `eventParams`. + * See {@link https://firebase.google.com/docs/analytics/screenviews | Track Screenviews}. + * + * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event + * @param screenName Screen name string to set. + */ +async function setCurrentScreen$1(gtagFunction, initializationPromise, screenName, options) { + if (options && options.global) { + gtagFunction("set" /* GtagCommand.SET */, { 'screen_name': screenName }); + return Promise.resolve(); + } + else { + const measurementId = await initializationPromise; + gtagFunction("config" /* GtagCommand.CONFIG */, measurementId, { + update: true, + 'screen_name': screenName + }); + } +} +/** + * Set user_id parameter for this Google Analytics ID. + * + * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event + * @param id User ID string to set + */ +async function setUserId$1(gtagFunction, initializationPromise, id, options) { + if (options && options.global) { + gtagFunction("set" /* GtagCommand.SET */, { 'user_id': id }); + return Promise.resolve(); + } + else { + const measurementId = await initializationPromise; + gtagFunction("config" /* GtagCommand.CONFIG */, measurementId, { + update: true, + 'user_id': id + }); + } +} +/** + * Set all other user properties other than user_id and screen_name. + * + * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event + * @param properties Map of user properties to set + */ +async function setUserProperties$1(gtagFunction, initializationPromise, properties, options) { + if (options && options.global) { + const flatProperties = {}; + for (const key of Object.keys(properties)) { + // use dot notation for merge behavior in gtag.js + flatProperties[`user_properties.${key}`] = properties[key]; + } + gtagFunction("set" /* GtagCommand.SET */, flatProperties); + return Promise.resolve(); + } + else { + const measurementId = await initializationPromise; + gtagFunction("config" /* GtagCommand.CONFIG */, measurementId, { + update: true, + 'user_properties': properties + }); + } +} +/** + * Retrieves a unique Google Analytics identifier for the web client. + * See {@link https://developers.google.com/analytics/devguides/collection/ga4/reference/config#client_id | client_id}. + * + * @param gtagFunction Wrapped gtag function that waits for fid to be set before sending an event + */ +async function internalGetGoogleAnalyticsClientId(gtagFunction, initializationPromise) { + const measurementId = await initializationPromise; + return new Promise((resolve, reject) => { + gtagFunction("get" /* GtagCommand.GET */, measurementId, 'client_id', (clientId) => { + if (!clientId) { + reject(ERROR_FACTORY.create("no-client-id" /* AnalyticsError.NO_CLIENT_ID */)); + } + resolve(clientId); + }); + }); +} +/** + * Set whether collection is enabled for this ID. + * + * @param enabled If true, collection is enabled for this ID. + */ +async function setAnalyticsCollectionEnabled$1(initializationPromise, enabled) { + const measurementId = await initializationPromise; + window[`ga-disable-${measurementId}`] = !enabled; +} +/** + * Consent parameters to default to during 'gtag' initialization. + */ +let defaultConsentSettingsForInit; +/** + * Sets the variable {@link defaultConsentSettingsForInit} for use in the initialization of + * analytics. + * + * @param consentSettings Maps the applicable end user consent state for gtag.js. + */ +function _setConsentDefaultForInit(consentSettings) { + defaultConsentSettingsForInit = consentSettings; +} +/** + * Sets the variable `defaultEventParametersForInit` for use in the initialization of + * analytics. + * + * @param customParams Any custom params the user may pass to gtag.js. + */ +function _setDefaultEventParametersForInit(customParams) { + defaultEventParametersForInit = customParams; +} + +/** + * @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. + */ +async function validateIndexedDB() { + if (!util.isIndexedDBAvailable()) { + logger.warn(ERROR_FACTORY.create("indexeddb-unavailable" /* AnalyticsError.INDEXEDDB_UNAVAILABLE */, { + errorInfo: 'IndexedDB is not available in this environment.' + }).message); + return false; + } + else { + try { + await util.validateIndexedDBOpenable(); + } + catch (e) { + logger.warn(ERROR_FACTORY.create("indexeddb-unavailable" /* AnalyticsError.INDEXEDDB_UNAVAILABLE */, { + errorInfo: e?.toString() + }).message); + return false; + } + } + return true; +} +/** + * Initialize the analytics instance in gtag.js by calling config command with fid. + * + * NOTE: We combine analytics initialization and setting fid together because we want fid to be + * part of the `page_view` event that's sent during the initialization + * @param app Firebase app + * @param gtagCore The gtag function that's not wrapped. + * @param dynamicConfigPromisesList Array of all dynamic config promises. + * @param measurementIdToAppId Maps measurementID to appID. + * @param installations _FirebaseInstallationsInternal instance. + * + * @returns Measurement ID. + */ +async function _initializeAnalytics(app, dynamicConfigPromisesList, measurementIdToAppId, installations, gtagCore, dataLayerName, options) { + const dynamicConfigPromise = fetchDynamicConfigWithRetry(app); + // Once fetched, map measurementIds to appId, for ease of lookup in wrapped gtag function. + dynamicConfigPromise + .then(config => { + measurementIdToAppId[config.measurementId] = config.appId; + if (app.options.measurementId && + config.measurementId !== app.options.measurementId) { + logger.warn(`The measurement ID in the local Firebase config (${app.options.measurementId})` + + ` does not match the measurement ID fetched from the server (${config.measurementId}).` + + ` To ensure analytics events are always sent to the correct Analytics property,` + + ` update the` + + ` measurement ID field in the local config or remove it from the local config.`); + } + }) + .catch(e => logger.error(e)); + // Add to list to track state of all dynamic config promises. + dynamicConfigPromisesList.push(dynamicConfigPromise); + const fidPromise = validateIndexedDB().then(envIsValid => { + if (envIsValid) { + return installations.getId(); + } + else { + return undefined; + } + }); + const [dynamicConfig, fid] = await Promise.all([ + dynamicConfigPromise, + fidPromise + ]); + // Detect if user has already put the gtag