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

---
 frontend-old/node_modules/web-vitals/src/onTTFB.ts | 104 ---------------------
 1 file changed, 104 deletions(-)
 delete mode 100644 frontend-old/node_modules/web-vitals/src/onTTFB.ts

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

diff --git a/frontend-old/node_modules/web-vitals/src/onTTFB.ts b/frontend-old/node_modules/web-vitals/src/onTTFB.ts
deleted file mode 100644
index 8167a56..0000000
--- a/frontend-old/node_modules/web-vitals/src/onTTFB.ts
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * 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
- *
- *     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 {bindReporter} from './lib/bindReporter.js';
-import {initMetric} from './lib/initMetric.js';
-import {onBFCacheRestore} from './lib/bfcache.js';
-import {getNavigationEntry} from './lib/getNavigationEntry.js';
-import {MetricRatingThresholds, ReportOpts, TTFBMetric} from './types.js';
-import {getActivationStart} from './lib/getActivationStart.js';
-import {whenActivated} from './lib/whenActivated.js';
-
-/** Thresholds for TTFB. See https://web.dev/articles/ttfb#what_is_a_good_ttfb_score */
-export const TTFBThresholds: MetricRatingThresholds = [800, 1800];
-
-/**
- * Runs in the next task after the page is done loading and/or prerendering.
- * @param callback
- */
-const whenReady = (callback: () => void) => {
-  if (document.prerendering) {
-    whenActivated(() => whenReady(callback));
-  } else if (document.readyState !== 'complete') {
-    addEventListener('load', () => whenReady(callback), true);
-  } else {
-    // Queue a task so the callback runs after `loadEventEnd`.
-    setTimeout(callback, 0);
-  }
-};
-
-/**
- * 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: TTFBMetric) => void,
-  opts?: ReportOpts,
-) => {
-  // Set defaults
-  opts = opts || {};
-
-  let metric = initMetric('TTFB');
-  let report = bindReporter(
-    onReport,
-    metric,
-    TTFBThresholds,
-    opts.reportAllChanges,
-  );
-
-  whenReady(() => {
-    const navigationEntry = getNavigationEntry();
-
-    if (navigationEntry) {
-      // The activationStart reference is used because TTFB should be
-      // relative to page activation rather than navigation start if the
-      // page was prerendered. But in cases where `activationStart` occurs
-      // after the first byte is received, this time should be clamped at 0.
-      metric.value = Math.max(
-        navigationEntry.responseStart - getActivationStart(),
-        0,
-      );
-
-      metric.entries = [navigationEntry];
-      report(true);
-
-      // Only report TTFB after bfcache restores if a `navigation` entry
-      // was reported for the initial load.
-      onBFCacheRestore(() => {
-        metric = initMetric('TTFB', 0);
-        report = bindReporter(
-          onReport,
-          metric,
-          TTFBThresholds,
-          opts!.reportAllChanges,
-        );
-
-        report(true);
-      });
-    }
-  });
-};
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