From 434aa8343fdcbb4d5002f934979913c099489bee Mon Sep 17 00:00:00 2001
From: altaf-creator <dev@altafcreator.com>
Date: Sun, 16 Nov 2025 19:08:29 +0800
Subject: sdk, del

---
 .../web-vitals/src/attribution/onTTFB.ts           | 107 ---------------------
 1 file changed, 107 deletions(-)
 delete mode 100644 frontend-old/node_modules/web-vitals/src/attribution/onTTFB.ts

(limited to 'frontend-old/node_modules/web-vitals/src/attribution/onTTFB.ts')

diff --git a/frontend-old/node_modules/web-vitals/src/attribution/onTTFB.ts b/frontend-old/node_modules/web-vitals/src/attribution/onTTFB.ts
deleted file mode 100644
index 1cfd74b..0000000
--- a/frontend-old/node_modules/web-vitals/src/attribution/onTTFB.ts
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright 2022 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
- *
- *     https://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 {onTTFB as unattributedOnTTFB} from '../onTTFB.js';
-import {
-  TTFBMetric,
-  TTFBMetricWithAttribution,
-  ReportOpts,
-  TTFBAttribution,
-} from '../types.js';
-
-const attributeTTFB = (metric: TTFBMetric): TTFBMetricWithAttribution => {
-  // Use a default object if no other attribution has been set.
-  let attribution: TTFBAttribution = {
-    waitingDuration: 0,
-    cacheDuration: 0,
-    dnsDuration: 0,
-    connectionDuration: 0,
-    requestDuration: 0,
-  };
-
-  if (metric.entries.length) {
-    const navigationEntry = metric.entries[0];
-    const activationStart = navigationEntry.activationStart || 0;
-
-    // Measure from workerStart or fetchStart so any service worker startup
-    // time is included in cacheDuration (which also includes other sw time
-    // anyway, that cannot be accurately split out cross-browser).
-    const waitEnd = Math.max(
-      (navigationEntry.workerStart || navigationEntry.fetchStart) -
-        activationStart,
-      0,
-    );
-    const dnsStart = Math.max(
-      navigationEntry.domainLookupStart - activationStart,
-      0,
-    );
-    const connectStart = Math.max(
-      navigationEntry.connectStart - activationStart,
-      0,
-    );
-    const connectEnd = Math.max(
-      navigationEntry.connectEnd - activationStart,
-      0,
-    );
-
-    attribution = {
-      waitingDuration: waitEnd,
-      cacheDuration: dnsStart - waitEnd,
-      // dnsEnd usually equals connectStart but use connectStart over dnsEnd
-      // for dnsDuration in case there ever is a gap.
-      dnsDuration: connectStart - dnsStart,
-      connectionDuration: connectEnd - connectStart,
-      // There is often a gap between connectEnd and requestStart. Attribute
-      // that to requestDuration so connectionDuration remains 0 for
-      // service worker controlled requests were connectStart and connectEnd
-      // are the same.
-      requestDuration: metric.value - connectEnd,
-      navigationEntry: navigationEntry,
-    };
-  }
-
-  // Use Object.assign to set property to keep tsc happy.
-  const metricWithAttribution: TTFBMetricWithAttribution = Object.assign(
-    metric,
-    {attribution},
-  );
-  return metricWithAttribution;
-};
-
-/**
- * Calculates the [TTFB](https://web.dev/articles/ttfb) value for the
- * current page and calls the `callback` function once the page has loaded,
- * along with the relevant `navigation` performance entry used to determine the
- * value. The reported value is a `DOMHighResTimeStamp`.
- *
- * Note, this function waits until after the page is loaded to call `callback`
- * in order to ensure all properties of the `navigation` entry are populated.
- * This is useful if you want to report on other metrics exposed by the
- * [Navigation Timing API](https://w3c.github.io/navigation-timing/). For
- * example, the TTFB metric starts from the page's [time
- * origin](https://www.w3.org/TR/hr-time-2/#sec-time-origin), which means it
- * includes time spent on DNS lookup, connection negotiation, network latency,
- * and server processing time.
- */
-export const onTTFB = (
-  onReport: (metric: TTFBMetricWithAttribution) => void,
-  opts?: ReportOpts,
-) => {
-  unattributedOnTTFB((metric: TTFBMetric) => {
-    const metricWithAttribution = attributeTTFB(metric);
-    onReport(metricWithAttribution);
-  }, opts);
-};
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