fix: prevent asset conflicts between React and Grid.js versions

Add coexistence checks to all enqueue methods to prevent loading
both React and Grid.js assets simultaneously.

Changes:
- ReactAdmin.php: Only enqueue React assets when ?react=1
- Init.php: Skip Grid.js when React active on admin pages
- Form.php, Coupon.php, Access.php: Restore classic assets when ?react=0
- Customer.php, Product.php, License.php: Add coexistence checks

Now the toggle between Classic and React versions works correctly.

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

node_modules/web-vitals/dist/modules/attribution.d.ts

@@ -0,0 +1,13 @@
+export { onCLS } from './attribution/onCLS.js';
+export { onFCP } from './attribution/onFCP.js';
+export { onFID } from './attribution/onFID.js';
+export { onINP } from './attribution/onINP.js';
+export { onLCP } from './attribution/onLCP.js';
+export { onTTFB } from './attribution/onTTFB.js';
+export { CLSThresholds } from './onCLS.js';
+export { FCPThresholds } from './onFCP.js';
+export { FIDThresholds } from './onFID.js';
+export { INPThresholds } from './onINP.js';
+export { LCPThresholds } from './onLCP.js';
+export { TTFBThresholds } from './onTTFB.js';
+export * from './types.js';

node_modules/web-vitals/dist/modules/attribution.js

@@ -0,0 +1,28 @@
+/*
+ * 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.
+ */
+export { onCLS } from './attribution/onCLS.js';
+export { onFCP } from './attribution/onFCP.js';
+export { onFID } from './attribution/onFID.js';
+export { onINP } from './attribution/onINP.js';
+export { onLCP } from './attribution/onLCP.js';
+export { onTTFB } from './attribution/onTTFB.js';
+export { CLSThresholds } from './onCLS.js';
+export { FCPThresholds } from './onFCP.js';
+export { FIDThresholds } from './onFID.js';
+export { INPThresholds } from './onINP.js';
+export { LCPThresholds } from './onLCP.js';
+export { TTFBThresholds } from './onTTFB.js';
+export * from './types.js';

node_modules/web-vitals/dist/modules/attribution/onCLS.d.ts

@@ -0,0 +1,23 @@
+import { CLSReportCallbackWithAttribution, ReportOpts } from '../types.js';
+/**
+ * Calculates the [CLS](https://web.dev/articles/cls) value for the current page and
+ * calls the `callback` function once the value is ready to be reported, along
+ * with all `layout-shift` performance entries that were used in the metric
+ * value calculation. The reported value is a `double` (corresponding to a
+ * [layout shift score](https://web.dev/articles/cls#layout_shift_score)).
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called as soon as the value is initially
+ * determined as well as any time the value changes throughout the page
+ * lifespan.
+ *
+ * _**Important:** CLS should be continually monitored for changes throughout
+ * the entire lifespan of a page—including if the user returns to the page after
+ * it's been hidden/backgrounded. However, since browsers often [will not fire
+ * additional callbacks once the user has backgrounded a
+ * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),
+ * `callback` is always called when the page's visibility state changes to
+ * hidden. As a result, the `callback` function might be called multiple times
+ * during the same page load._
+ */
+export declare const onCLS: (onReport: CLSReportCallbackWithAttribution, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/attribution/onCLS.js

@@ -0,0 +1,72 @@
+/*
+ * 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 { getLoadState } from '../lib/getLoadState.js';
+import { getSelector } from '../lib/getSelector.js';
+import { onCLS as unattributedOnCLS } from '../onCLS.js';
+const getLargestLayoutShiftEntry = (entries) => {
+    return entries.reduce((a, b) => (a && a.value > b.value ? a : b));
+};
+const getLargestLayoutShiftSource = (sources) => {
+    return sources.find((s) => s.node && s.node.nodeType === 1) || sources[0];
+};
+const attributeCLS = (metric) => {
+    if (metric.entries.length) {
+        const largestEntry = getLargestLayoutShiftEntry(metric.entries);
+        if (largestEntry && largestEntry.sources && largestEntry.sources.length) {
+            const largestSource = getLargestLayoutShiftSource(largestEntry.sources);
+            if (largestSource) {
+                metric.attribution = {
+                    largestShiftTarget: getSelector(largestSource.node),
+                    largestShiftTime: largestEntry.startTime,
+                    largestShiftValue: largestEntry.value,
+                    largestShiftSource: largestSource,
+                    largestShiftEntry: largestEntry,
+                    loadState: getLoadState(largestEntry.startTime),
+                };
+                return;
+            }
+        }
+    }
+    // Set an empty object if no other attribution has been set.
+    metric.attribution = {};
+};
+/**
+ * Calculates the [CLS](https://web.dev/articles/cls) value for the current page and
+ * calls the `callback` function once the value is ready to be reported, along
+ * with all `layout-shift` performance entries that were used in the metric
+ * value calculation. The reported value is a `double` (corresponding to a
+ * [layout shift score](https://web.dev/articles/cls#layout_shift_score)).
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called as soon as the value is initially
+ * determined as well as any time the value changes throughout the page
+ * lifespan.
+ *
+ * _**Important:** CLS should be continually monitored for changes throughout
+ * the entire lifespan of a page—including if the user returns to the page after
+ * it's been hidden/backgrounded. However, since browsers often [will not fire
+ * additional callbacks once the user has backgrounded a
+ * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),
+ * `callback` is always called when the page's visibility state changes to
+ * hidden. As a result, the `callback` function might be called multiple times
+ * during the same page load._
+ */
+export const onCLS = (onReport, opts) => {
+    unattributedOnCLS(((metric) => {
+        attributeCLS(metric);
+        onReport(metric);
+    }), opts);
+};

node_modules/web-vitals/dist/modules/attribution/onFCP.d.ts

@@ -0,0 +1,8 @@
+import { FCPReportCallbackWithAttribution, ReportOpts } from '../types.js';
+/**
+ * Calculates the [FCP](https://web.dev/articles/fcp) value for the current page and
+ * calls the `callback` function once the value is ready, along with the
+ * relevant `paint` performance entry used to determine the value. The reported
+ * value is a `DOMHighResTimeStamp`.
+ */
+export declare const onFCP: (onReport: FCPReportCallbackWithAttribution, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/attribution/onFCP.js

@@ -0,0 +1,55 @@
+/*
+ * 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 { getBFCacheRestoreTime } from '../lib/bfcache.js';
+import { getLoadState } from '../lib/getLoadState.js';
+import { getNavigationEntry } from '../lib/getNavigationEntry.js';
+import { onFCP as unattributedOnFCP } from '../onFCP.js';
+const attributeFCP = (metric) => {
+    if (metric.entries.length) {
+        const navigationEntry = getNavigationEntry();
+        const fcpEntry = metric.entries[metric.entries.length - 1];
+        if (navigationEntry) {
+            const activationStart = navigationEntry.activationStart || 0;
+            const ttfb = Math.max(0, navigationEntry.responseStart - activationStart);
+            metric.attribution = {
+                timeToFirstByte: ttfb,
+                firstByteToFCP: metric.value - ttfb,
+                loadState: getLoadState(metric.entries[0].startTime),
+                navigationEntry,
+                fcpEntry,
+            };
+            return;
+        }
+    }
+    // Set an empty object if no other attribution has been set.
+    metric.attribution = {
+        timeToFirstByte: 0,
+        firstByteToFCP: metric.value,
+        loadState: getLoadState(getBFCacheRestoreTime()),
+    };
+};
+/**
+ * Calculates the [FCP](https://web.dev/articles/fcp) value for the current page and
+ * calls the `callback` function once the value is ready, along with the
+ * relevant `paint` performance entry used to determine the value. The reported
+ * value is a `DOMHighResTimeStamp`.
+ */
+export const onFCP = (onReport, opts) => {
+    unattributedOnFCP(((metric) => {
+        attributeFCP(metric);
+        onReport(metric);
+    }), opts);
+};

node_modules/web-vitals/dist/modules/attribution/onFID.d.ts

@@ -0,0 +1,11 @@
+import { FIDReportCallbackWithAttribution, ReportOpts } from '../types.js';
+/**
+ * Calculates the [FID](https://web.dev/articles/fid) value for the current page and
+ * calls the `callback` function once the value is ready, along with the
+ * relevant `first-input` performance entry used to determine the value. The
+ * reported value is a `DOMHighResTimeStamp`.
+ *
+ * _**Important:** since FID is only reported after the user interacts with the
+ * page, it's possible that it will not be reported for some page loads._
+ */
+export declare const onFID: (onReport: FIDReportCallbackWithAttribution, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/attribution/onFID.js

@@ -0,0 +1,43 @@
+/*
+ * 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 { getLoadState } from '../lib/getLoadState.js';
+import { getSelector } from '../lib/getSelector.js';
+import { onFID as unattributedOnFID } from '../onFID.js';
+const attributeFID = (metric) => {
+    const fidEntry = metric.entries[0];
+    metric.attribution = {
+        eventTarget: getSelector(fidEntry.target),
+        eventType: fidEntry.name,
+        eventTime: fidEntry.startTime,
+        eventEntry: fidEntry,
+        loadState: getLoadState(fidEntry.startTime),
+    };
+};
+/**
+ * Calculates the [FID](https://web.dev/articles/fid) value for the current page and
+ * calls the `callback` function once the value is ready, along with the
+ * relevant `first-input` performance entry used to determine the value. The
+ * reported value is a `DOMHighResTimeStamp`.
+ *
+ * _**Important:** since FID is only reported after the user interacts with the
+ * page, it's possible that it will not be reported for some page loads._
+ */
+export const onFID = (onReport, opts) => {
+    unattributedOnFID(((metric) => {
+        attributeFID(metric);
+        onReport(metric);
+    }), opts);
+};

node_modules/web-vitals/dist/modules/attribution/onINP.d.ts

@@ -0,0 +1,29 @@
+import { INPReportCallbackWithAttribution, ReportOpts } from '../types.js';
+/**
+ * Calculates the [INP](https://web.dev/articles/inp) value for the current
+ * page and calls the `callback` function once the value is ready, along with
+ * the `event` performance entries reported for that interaction. The reported
+ * value is a `DOMHighResTimeStamp`.
+ *
+ * A custom `durationThreshold` configuration option can optionally be passed to
+ * control what `event-timing` entries are considered for INP reporting. The
+ * default threshold is `40`, which means INP scores of less than 40 are
+ * reported as 0. Note that this will not affect your 75th percentile INP value
+ * unless that value is also less than 40 (well below the recommended
+ * [good](https://web.dev/articles/inp#what_is_a_good_inp_score) threshold).
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called as soon as the value is initially
+ * determined as well as any time the value changes throughout the page
+ * lifespan.
+ *
+ * _**Important:** INP should be continually monitored for changes throughout
+ * the entire lifespan of a page—including if the user returns to the page after
+ * it's been hidden/backgrounded. However, since browsers often [will not fire
+ * additional callbacks once the user has backgrounded a
+ * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),
+ * `callback` is always called when the page's visibility state changes to
+ * hidden. As a result, the `callback` function might be called multiple times
+ * during the same page load._
+ */
+export declare const onINP: (onReport: INPReportCallbackWithAttribution, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/attribution/onINP.js

@@ -0,0 +1,78 @@
+/*
+ * 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 { getLoadState } from '../lib/getLoadState.js';
+import { getSelector } from '../lib/getSelector.js';
+import { onINP as unattributedOnINP } from '../onINP.js';
+const attributeINP = (metric) => {
+    if (metric.entries.length) {
+        const longestEntry = metric.entries.sort((a, b) => {
+            // Sort by: 1) duration (DESC), then 2) processing time (DESC)
+            return (b.duration - a.duration ||
+                b.processingEnd -
+                    b.processingStart -
+                    (a.processingEnd - a.processingStart));
+        })[0];
+        // Currently Chrome can return a null target for certain event types
+        // (especially pointer events). As the event target should be the same
+        // for all events in the same interaction, we pick the first non-null one.
+        // TODO: remove when 1367329 is resolved
+        // https://bugs.chromium.org/p/chromium/issues/detail?id=1367329
+        const firstEntryWithTarget = metric.entries.find((entry) => entry.target);
+        metric.attribution = {
+            eventTarget: getSelector(firstEntryWithTarget && firstEntryWithTarget.target),
+            eventType: longestEntry.name,
+            eventTime: longestEntry.startTime,
+            eventEntry: longestEntry,
+            loadState: getLoadState(longestEntry.startTime),
+        };
+        return;
+    }
+    // Set an empty object if no other attribution has been set.
+    metric.attribution = {};
+};
+/**
+ * Calculates the [INP](https://web.dev/articles/inp) value for the current
+ * page and calls the `callback` function once the value is ready, along with
+ * the `event` performance entries reported for that interaction. The reported
+ * value is a `DOMHighResTimeStamp`.
+ *
+ * A custom `durationThreshold` configuration option can optionally be passed to
+ * control what `event-timing` entries are considered for INP reporting. The
+ * default threshold is `40`, which means INP scores of less than 40 are
+ * reported as 0. Note that this will not affect your 75th percentile INP value
+ * unless that value is also less than 40 (well below the recommended
+ * [good](https://web.dev/articles/inp#what_is_a_good_inp_score) threshold).
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called as soon as the value is initially
+ * determined as well as any time the value changes throughout the page
+ * lifespan.
+ *
+ * _**Important:** INP should be continually monitored for changes throughout
+ * the entire lifespan of a page—including if the user returns to the page after
+ * it's been hidden/backgrounded. However, since browsers often [will not fire
+ * additional callbacks once the user has backgrounded a
+ * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),
+ * `callback` is always called when the page's visibility state changes to
+ * hidden. As a result, the `callback` function might be called multiple times
+ * during the same page load._
+ */
+export const onINP = (onReport, opts) => {
+    unattributedOnINP(((metric) => {
+        attributeINP(metric);
+        onReport(metric);
+    }), opts);
+};

node_modules/web-vitals/dist/modules/attribution/onLCP.d.ts

@@ -0,0 +1,13 @@
+import { LCPReportCallbackWithAttribution, ReportOpts } from '../types.js';
+/**
+ * Calculates the [LCP](https://web.dev/articles/lcp) value for the current page and
+ * calls the `callback` function once the value is ready (along with the
+ * relevant `largest-contentful-paint` performance entry used to determine the
+ * value). The reported value is a `DOMHighResTimeStamp`.
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called any time a new `largest-contentful-paint`
+ * performance entry is dispatched, or once the final value of the metric has
+ * been determined.
+ */
+export declare const onLCP: (onReport: LCPReportCallbackWithAttribution, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/attribution/onLCP.js

@@ -0,0 +1,82 @@
+/*
+ * 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 { getNavigationEntry } from '../lib/getNavigationEntry.js';
+import { getSelector } from '../lib/getSelector.js';
+import { onLCP as unattributedOnLCP } from '../onLCP.js';
+const attributeLCP = (metric) => {
+    if (metric.entries.length) {
+        const navigationEntry = getNavigationEntry();
+        if (navigationEntry) {
+            const activationStart = navigationEntry.activationStart || 0;
+            const lcpEntry = metric.entries[metric.entries.length - 1];
+            const lcpResourceEntry = lcpEntry.url &&
+                performance
+                    .getEntriesByType('resource')
+                    .filter((e) => e.name === lcpEntry.url)[0];
+            const ttfb = Math.max(0, navigationEntry.responseStart - activationStart);
+            const lcpRequestStart = Math.max(ttfb, 
+            // Prefer `requestStart` (if TOA is set), otherwise use `startTime`.
+            lcpResourceEntry
+                ? (lcpResourceEntry.requestStart || lcpResourceEntry.startTime) -
+                    activationStart
+                : 0);
+            const lcpResponseEnd = Math.max(lcpRequestStart, lcpResourceEntry ? lcpResourceEntry.responseEnd - activationStart : 0);
+            const lcpRenderTime = Math.max(lcpResponseEnd, lcpEntry ? lcpEntry.startTime - activationStart : 0);
+            const attribution = {
+                element: getSelector(lcpEntry.element),
+                timeToFirstByte: ttfb,
+                resourceLoadDelay: lcpRequestStart - ttfb,
+                resourceLoadTime: lcpResponseEnd - lcpRequestStart,
+                elementRenderDelay: lcpRenderTime - lcpResponseEnd,
+                navigationEntry,
+                lcpEntry,
+            };
+            // Only attribution the URL and resource entry if they exist.
+            if (lcpEntry.url) {
+                attribution.url = lcpEntry.url;
+            }
+            if (lcpResourceEntry) {
+                attribution.lcpResourceEntry = lcpResourceEntry;
+            }
+            metric.attribution = attribution;
+            return;
+        }
+    }
+    // Set an empty object if no other attribution has been set.
+    metric.attribution = {
+        timeToFirstByte: 0,
+        resourceLoadDelay: 0,
+        resourceLoadTime: 0,
+        elementRenderDelay: metric.value,
+    };
+};
+/**
+ * Calculates the [LCP](https://web.dev/articles/lcp) value for the current page and
+ * calls the `callback` function once the value is ready (along with the
+ * relevant `largest-contentful-paint` performance entry used to determine the
+ * value). The reported value is a `DOMHighResTimeStamp`.
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called any time a new `largest-contentful-paint`
+ * performance entry is dispatched, or once the final value of the metric has
+ * been determined.
+ */
+export const onLCP = (onReport, opts) => {
+    unattributedOnLCP(((metric) => {
+        attributeLCP(metric);
+        onReport(metric);
+    }), opts);
+};

node_modules/web-vitals/dist/modules/attribution/onTTFB.d.ts

@@ -0,0 +1,17 @@
+import { TTFBReportCallbackWithAttribution, ReportOpts } from '../types.js';
+/**
+ * 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 declare const onTTFB: (onReport: TTFBReportCallbackWithAttribution, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/attribution/onTTFB.js

@@ -0,0 +1,61 @@
+/*
+ * 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';
+const attributeTTFB = (metric) => {
+    if (metric.entries.length) {
+        const navigationEntry = metric.entries[0];
+        const activationStart = navigationEntry.activationStart || 0;
+        const dnsStart = Math.max(navigationEntry.domainLookupStart - activationStart, 0);
+        const connectStart = Math.max(navigationEntry.connectStart - activationStart, 0);
+        const requestStart = Math.max(navigationEntry.requestStart - activationStart, 0);
+        metric.attribution = {
+            waitingTime: dnsStart,
+            dnsTime: connectStart - dnsStart,
+            connectionTime: requestStart - connectStart,
+            requestTime: metric.value - requestStart,
+            navigationEntry: navigationEntry,
+        };
+        return;
+    }
+    // Set an empty object if no other attribution has been set.
+    metric.attribution = {
+        waitingTime: 0,
+        dnsTime: 0,
+        connectionTime: 0,
+        requestTime: 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, opts) => {
+    unattributedOnTTFB(((metric) => {
+        attributeTTFB(metric);
+        onReport(metric);
+    }), opts);
+};

node_modules/web-vitals/dist/modules/deprecated.d.ts

@@ -0,0 +1,35 @@
+export { 
+/**
+ * @deprecated Use `onCLS()` instead.
+ */
+onCLS as getCLS, } from './onCLS.js';
+export { 
+/**
+ * @deprecated Use `onFCP()` instead.
+ */
+onFCP as getFCP, } from './onFCP.js';
+export { 
+/**
+ * @deprecated Use `onFID()` instead.
+ */
+onFID as getFID, } from './onFID.js';
+export { 
+/**
+ * @deprecated Use `onINP()` instead.
+ */
+onINP as getINP, } from './onINP.js';
+export { 
+/**
+ * @deprecated Use `onLCP()` instead.
+ */
+onLCP as getLCP, } from './onLCP.js';
+export { 
+/**
+ * @deprecated Use `onTTFB()` instead.
+ */
+onTTFB as getTTFB, } from './onTTFB.js';
+export { 
+/**
+ * @deprecated Use `ReportCallback` instead.
+ */
+ReportCallback as ReportHandler, } from './types.js';

node_modules/web-vitals/dist/modules/deprecated.js

@@ -0,0 +1,45 @@
+/*
+ * 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.
+ */
+export { 
+/**
+ * @deprecated Use `onCLS()` instead.
+ */
+onCLS as getCLS, } from './onCLS.js';
+export { 
+/**
+ * @deprecated Use `onFCP()` instead.
+ */
+onFCP as getFCP, } from './onFCP.js';
+export { 
+/**
+ * @deprecated Use `onFID()` instead.
+ */
+onFID as getFID, } from './onFID.js';
+export { 
+/**
+ * @deprecated Use `onINP()` instead.
+ */
+onINP as getINP, } from './onINP.js';
+export { 
+/**
+ * @deprecated Use `onLCP()` instead.
+ */
+onLCP as getLCP, } from './onLCP.js';
+export { 
+/**
+ * @deprecated Use `onTTFB()` instead.
+ */
+onTTFB as getTTFB, } from './onTTFB.js';

node_modules/web-vitals/dist/modules/index.d.ts

@@ -0,0 +1,8 @@
+export { onCLS, CLSThresholds } from './onCLS.js';
+export { onFCP, FCPThresholds } from './onFCP.js';
+export { onFID, FIDThresholds } from './onFID.js';
+export { onINP, INPThresholds } from './onINP.js';
+export { onLCP, LCPThresholds } from './onLCP.js';
+export { onTTFB, TTFBThresholds } from './onTTFB.js';
+export * from './deprecated.js';
+export * from './types.js';

node_modules/web-vitals/dist/modules/index.js

@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+export { onCLS, CLSThresholds } from './onCLS.js';
+export { onFCP, FCPThresholds } from './onFCP.js';
+export { onFID, FIDThresholds } from './onFID.js';
+export { onINP, INPThresholds } from './onINP.js';
+export { onLCP, LCPThresholds } from './onLCP.js';
+export { onTTFB, TTFBThresholds } from './onTTFB.js';
+export * from './deprecated.js';
+export * from './types.js';

node_modules/web-vitals/dist/modules/lib/bfcache.d.ts

@@ -0,0 +1,6 @@
+interface onBFCacheRestoreCallback {
+    (event: PageTransitionEvent): void;
+}
+export declare const getBFCacheRestoreTime: () => number;
+export declare const onBFCacheRestore: (cb: onBFCacheRestoreCallback) => void;
+export {};

node_modules/web-vitals/dist/modules/lib/bfcache.js

@@ -0,0 +1,25 @@
+/*
+ * 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.
+ */
+let bfcacheRestoreTime = -1;
+export const getBFCacheRestoreTime = () => bfcacheRestoreTime;
+export const onBFCacheRestore = (cb) => {
+    addEventListener('pageshow', (event) => {
+        if (event.persisted) {
+            bfcacheRestoreTime = event.timeStamp;
+            cb(event);
+        }
+    }, true);
+};

node_modules/web-vitals/dist/modules/lib/bindReporter.d.ts

@@ -0,0 +1,26 @@
+import { MetricType, MetricRatingThresholds } from '../types.js';
+export declare const bindReporter: <MetricName extends "CLS" | "FCP" | "FID" | "INP" | "LCP" | "TTFB">(callback: (metric: Extract<import("../types.js").CLSMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").FCPMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").FIDMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").INPMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").LCPMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").TTFBMetric, {
+    name: MetricName;
+}>) => void, metric: Extract<import("../types.js").CLSMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").FCPMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").FIDMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").INPMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").LCPMetric, {
+    name: MetricName;
+}> | Extract<import("../types.js").TTFBMetric, {
+    name: MetricName;
+}>, thresholds: MetricRatingThresholds, reportAllChanges?: boolean) => (forceReport?: boolean) => void;

node_modules/web-vitals/dist/modules/lib/bindReporter.js

@@ -0,0 +1,45 @@
+/*
+ * 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.
+ */
+const getRating = (value, thresholds) => {
+    if (value > thresholds[1]) {
+        return 'poor';
+    }
+    if (value > thresholds[0]) {
+        return 'needs-improvement';
+    }
+    return 'good';
+};
+export const bindReporter = (callback, metric, thresholds, reportAllChanges) => {
+    let prevValue;
+    let delta;
+    return (forceReport) => {
+        if (metric.value >= 0) {
+            if (forceReport || reportAllChanges) {
+                delta = metric.value - (prevValue || 0);
+                // Report the metric if there's a non-zero delta or if no previous
+                // value exists (which can happen in the case of the document becoming
+                // hidden when the metric value is 0).
+                // See: https://github.com/GoogleChrome/web-vitals/issues/14
+                if (delta || prevValue === undefined) {
+                    prevValue = metric.value;
+                    metric.delta = delta;
+                    metric.rating = getRating(metric.value, thresholds);
+                    callback(metric);
+                }
+            }
+        }
+    };
+};

node_modules/web-vitals/dist/modules/lib/doubleRAF.d.ts

@@ -0,0 +1 @@
+export declare const doubleRAF: (cb: () => unknown) => void;

node_modules/web-vitals/dist/modules/lib/doubleRAF.js

@@ -0,0 +1,18 @@
+/*
+ * 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.
+ */
+export const doubleRAF = (cb) => {
+    requestAnimationFrame(() => requestAnimationFrame(() => cb()));
+};

node_modules/web-vitals/dist/modules/lib/generateUniqueID.d.ts

@@ -0,0 +1,6 @@
+/**
+ * Performantly generate a unique, 30-char string by combining a version
+ * number, the current timestamp with a 13-digit number integer.
+ * @return {string}
+ */
+export declare const generateUniqueID: () => string;

node_modules/web-vitals/dist/modules/lib/generateUniqueID.js

@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+/**
+ * Performantly generate a unique, 30-char string by combining a version
+ * number, the current timestamp with a 13-digit number integer.
+ * @return {string}
+ */
+export const generateUniqueID = () => {
+    return `v3-${Date.now()}-${Math.floor(Math.random() * (9e12 - 1)) + 1e12}`;
+};

node_modules/web-vitals/dist/modules/lib/getActivationStart.d.ts

@@ -0,0 +1 @@
+export declare const getActivationStart: () => number;

node_modules/web-vitals/dist/modules/lib/getActivationStart.js

@@ -0,0 +1,20 @@
+/*
+ * 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 { getNavigationEntry } from './getNavigationEntry.js';
+export const getActivationStart = () => {
+    const navEntry = getNavigationEntry();
+    return (navEntry && navEntry.activationStart) || 0;
+};

node_modules/web-vitals/dist/modules/lib/getLoadState.d.ts

@@ -0,0 +1,2 @@
+import { LoadState } from '../types.js';
+export declare const getLoadState: (timestamp: number) => LoadState;

node_modules/web-vitals/dist/modules/lib/getLoadState.js

@@ -0,0 +1,47 @@
+/*
+ * 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 { getNavigationEntry } from './getNavigationEntry.js';
+export const getLoadState = (timestamp) => {
+    if (document.readyState === 'loading') {
+        // If the `readyState` is 'loading' there's no need to look at timestamps
+        // since the timestamp has to be the current time or earlier.
+        return 'loading';
+    }
+    else {
+        const navigationEntry = getNavigationEntry();
+        if (navigationEntry) {
+            if (timestamp < navigationEntry.domInteractive) {
+                return 'loading';
+            }
+            else if (navigationEntry.domContentLoadedEventStart === 0 ||
+                timestamp < navigationEntry.domContentLoadedEventStart) {
+                // If the `domContentLoadedEventStart` timestamp has not yet been
+                // set, or if the given timestamp is less than that value.
+                return 'dom-interactive';
+            }
+            else if (navigationEntry.domComplete === 0 ||
+                timestamp < navigationEntry.domComplete) {
+                // If the `domComplete` timestamp has not yet been
+                // set, or if the given timestamp is less than that value.
+                return 'dom-content-loaded';
+            }
+        }
+    }
+    // If any of the above fail, default to loaded. This could really only
+    // happy if the browser doesn't support the performance timeline, which
+    // most likely means this code would never run anyway.
+    return 'complete';
+};

node_modules/web-vitals/dist/modules/lib/getNavigationEntry.d.ts

@@ -0,0 +1,2 @@
+import { NavigationTimingPolyfillEntry } from '../types.js';
+export declare const getNavigationEntry: () => PerformanceNavigationTiming | NavigationTimingPolyfillEntry | undefined;

node_modules/web-vitals/dist/modules/lib/getNavigationEntry.js

@@ -0,0 +1,44 @@
+/*
+ * 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.
+ */
+const getNavigationEntryFromPerformanceTiming = () => {
+    const timing = performance.timing;
+    const type = performance.navigation.type;
+    const navigationEntry = {
+        entryType: 'navigation',
+        startTime: 0,
+        type: type == 2 ? 'back_forward' : type === 1 ? 'reload' : 'navigate',
+    };
+    for (const key in timing) {
+        if (key !== 'navigationStart' && key !== 'toJSON') {
+            navigationEntry[key] = Math.max(timing[key] -
+                timing.navigationStart, 0);
+        }
+    }
+    return navigationEntry;
+};
+export const getNavigationEntry = () => {
+    if (window.__WEB_VITALS_POLYFILL__) {
+        return (window.performance &&
+            ((performance.getEntriesByType &&
+                performance.getEntriesByType('navigation')[0]) ||
+                getNavigationEntryFromPerformanceTiming()));
+    }
+    else {
+        return (window.performance &&
+            performance.getEntriesByType &&
+            performance.getEntriesByType('navigation')[0]);
+    }
+};

node_modules/web-vitals/dist/modules/lib/getSelector.d.ts

@@ -0,0 +1 @@
+export declare const getSelector: (node: Node | null | undefined, maxLen?: number) => string;

node_modules/web-vitals/dist/modules/lib/getSelector.js

@@ -0,0 +1,48 @@
+/*
+ * 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.
+ */
+const getName = (node) => {
+    const name = node.nodeName;
+    return node.nodeType === 1
+        ? name.toLowerCase()
+        : name.toUpperCase().replace(/^#/, '');
+};
+export const getSelector = (node, maxLen) => {
+    let sel = '';
+    try {
+        while (node && node.nodeType !== 9) {
+            const el = node;
+            const part = el.id
+                ? '#' + el.id
+                : getName(el) +
+                    (el.classList &&
+                        el.classList.value &&
+                        el.classList.value.trim() &&
+                        el.classList.value.trim().length
+                        ? '.' + el.classList.value.trim().replace(/\s+/g, '.')
+                        : '');
+            if (sel.length + part.length > (maxLen || 100) - 1)
+                return sel || part;
+            sel = sel ? part + '>' + sel : part;
+            if (el.id)
+                break;
+            node = el.parentNode;
+        }
+    }
+    catch (err) {
+        // Do nothing...
+    }
+    return sel;
+};

node_modules/web-vitals/dist/modules/lib/getVisibilityWatcher.d.ts

@@ -0,0 +1,3 @@
+export declare const getVisibilityWatcher: () => {
+    readonly firstHiddenTime: number;
+};

node_modules/web-vitals/dist/modules/lib/getVisibilityWatcher.js

@@ -0,0 +1,88 @@
+/*
+ * 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 { onBFCacheRestore } from './bfcache.js';
+let firstHiddenTime = -1;
+const initHiddenTime = () => {
+    // If the document is hidden when this code runs, assume it was always
+    // hidden and the page was loaded in the background, with the one exception
+    // that visibility state is always 'hidden' during prerendering, so we have
+    // to ignore that case until prerendering finishes (see: `prerenderingchange`
+    // event logic below).
+    return document.visibilityState === 'hidden' && !document.prerendering
+        ? 0
+        : Infinity;
+};
+const onVisibilityUpdate = (event) => {
+    // If the document is 'hidden' and no previous hidden timestamp has been
+    // set, update it based on the current event data.
+    if (document.visibilityState === 'hidden' && firstHiddenTime > -1) {
+        // If the event is a 'visibilitychange' event, it means the page was
+        // visible prior to this change, so the event timestamp is the first
+        // hidden time.
+        // However, if the event is not a 'visibilitychange' event, then it must
+        // be a 'prerenderingchange' event, and the fact that the document is
+        // still 'hidden' from the above check means the tab was activated
+        // in a background state and so has always been hidden.
+        firstHiddenTime = event.type === 'visibilitychange' ? event.timeStamp : 0;
+        // Remove all listeners now that a `firstHiddenTime` value has been set.
+        removeChangeListeners();
+    }
+};
+const addChangeListeners = () => {
+    addEventListener('visibilitychange', onVisibilityUpdate, true);
+    // IMPORTANT: when a page is prerendering, its `visibilityState` is
+    // 'hidden', so in order to account for cases where this module checks for
+    // visibility during prerendering, an additional check after prerendering
+    // completes is also required.
+    addEventListener('prerenderingchange', onVisibilityUpdate, true);
+};
+const removeChangeListeners = () => {
+    removeEventListener('visibilitychange', onVisibilityUpdate, true);
+    removeEventListener('prerenderingchange', onVisibilityUpdate, true);
+};
+export const getVisibilityWatcher = () => {
+    if (firstHiddenTime < 0) {
+        // If the document is hidden when this code runs, assume it was hidden
+        // since navigation start. This isn't a perfect heuristic, but it's the
+        // best we can do until an API is available to support querying past
+        // visibilityState.
+        if (window.__WEB_VITALS_POLYFILL__) {
+            firstHiddenTime = window.webVitals.firstHiddenTime;
+            if (firstHiddenTime === Infinity) {
+                addChangeListeners();
+            }
+        }
+        else {
+            firstHiddenTime = initHiddenTime();
+            addChangeListeners();
+        }
+        // Reset the time on bfcache restores.
+        onBFCacheRestore(() => {
+            // Schedule a task in order to track the `visibilityState` once it's
+            // had an opportunity to change to visible in all browsers.
+            // https://bugs.chromium.org/p/chromium/issues/detail?id=1133363
+            setTimeout(() => {
+                firstHiddenTime = initHiddenTime();
+                addChangeListeners();
+            }, 0);
+        });
+    }
+    return {
+        get firstHiddenTime() {
+            return firstHiddenTime;
+        },
+    };
+};

node_modules/web-vitals/dist/modules/lib/initMetric.d.ts

@@ -0,0 +1,21 @@
+export declare const initMetric: <MetricName extends "CLS" | "FCP" | "FID" | "INP" | "LCP" | "TTFB">(name: MetricName, value?: number) => {
+    name: MetricName;
+    value: number;
+    rating: "good";
+    delta: number;
+    entries: (Extract<import("../types.js").CLSMetric, {
+        name: MetricName;
+    }> | Extract<import("../types.js").FCPMetric, {
+        name: MetricName;
+    }> | Extract<import("../types.js").FIDMetric, {
+        name: MetricName;
+    }> | Extract<import("../types.js").INPMetric, {
+        name: MetricName;
+    }> | Extract<import("../types.js").LCPMetric, {
+        name: MetricName;
+    }> | Extract<import("../types.js").TTFBMetric, {
+        name: MetricName;
+    }>)["entries"];
+    id: string;
+    navigationType: "navigate" | "prerender" | "reload" | "back-forward" | "back-forward-cache" | "restore";
+};

node_modules/web-vitals/dist/modules/lib/initMetric.js

@@ -0,0 +1,48 @@
+/*
+ * 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 { getBFCacheRestoreTime } from './bfcache.js';
+import { generateUniqueID } from './generateUniqueID.js';
+import { getActivationStart } from './getActivationStart.js';
+import { getNavigationEntry } from './getNavigationEntry.js';
+export const initMetric = (name, value) => {
+    const navEntry = getNavigationEntry();
+    let navigationType = 'navigate';
+    if (getBFCacheRestoreTime() >= 0) {
+        navigationType = 'back-forward-cache';
+    }
+    else if (navEntry) {
+        if (document.prerendering || getActivationStart() > 0) {
+            navigationType = 'prerender';
+        }
+        else if (document.wasDiscarded) {
+            navigationType = 'restore';
+        }
+        else if (navEntry.type) {
+            navigationType = navEntry.type.replace(/_/g, '-');
+        }
+    }
+    // Use `entries` type specific for the metric.
+    const entries = [];
+    return {
+        name,
+        value: typeof value === 'undefined' ? -1 : value,
+        rating: 'good', // If needed, will be updated when reported. `const` to keep the type from widening to `string`.
+        delta: 0,
+        entries,
+        id: generateUniqueID(),
+        navigationType,
+    };
+};

node_modules/web-vitals/dist/modules/lib/observe.d.ts

@@ -0,0 +1,20 @@
+import { FirstInputPolyfillEntry, NavigationTimingPolyfillEntry } from '../types.js';
+interface PerformanceEntryMap {
+    'event': PerformanceEventTiming[];
+    'paint': PerformancePaintTiming[];
+    'layout-shift': LayoutShift[];
+    'largest-contentful-paint': LargestContentfulPaint[];
+    'first-input': PerformanceEventTiming[] | FirstInputPolyfillEntry[];
+    'navigation': PerformanceNavigationTiming[] | NavigationTimingPolyfillEntry[];
+    'resource': PerformanceResourceTiming[];
+}
+/**
+ * Takes a performance entry type and a callback function, and creates a
+ * `PerformanceObserver` instance that will observe the specified entry type
+ * with buffering enabled and call the callback _for each entry_.
+ *
+ * This function also feature-detects entry support and wraps the logic in a
+ * try/catch to avoid errors in unsupporting browsers.
+ */
+export declare const observe: <K extends keyof PerformanceEntryMap>(type: K, callback: (entries: PerformanceEntryMap[K]) => void, opts?: PerformanceObserverInit) => PerformanceObserver | undefined;
+export {};

node_modules/web-vitals/dist/modules/lib/observe.js

@@ -0,0 +1,46 @@
+/*
+ * 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.
+ */
+/**
+ * Takes a performance entry type and a callback function, and creates a
+ * `PerformanceObserver` instance that will observe the specified entry type
+ * with buffering enabled and call the callback _for each entry_.
+ *
+ * This function also feature-detects entry support and wraps the logic in a
+ * try/catch to avoid errors in unsupporting browsers.
+ */
+export const observe = (type, callback, opts) => {
+    try {
+        if (PerformanceObserver.supportedEntryTypes.includes(type)) {
+            const po = new PerformanceObserver((list) => {
+                // Delay by a microtask to workaround a bug in Safari where the
+                // callback is invoked immediately, rather than in a separate task.
+                // See: https://github.com/GoogleChrome/web-vitals/issues/277
+                Promise.resolve().then(() => {
+                    callback(list.getEntries());
+                });
+            });
+            po.observe(Object.assign({
+                type,
+                buffered: true,
+            }, opts || {}));
+            return po;
+        }
+    }
+    catch (e) {
+        // Do nothing.
+    }
+    return;
+};

node_modules/web-vitals/dist/modules/lib/onHidden.d.ts

@@ -0,0 +1,4 @@
+export interface OnHiddenCallback {
+    (event: Event): void;
+}
+export declare const onHidden: (cb: OnHiddenCallback) => void;

node_modules/web-vitals/dist/modules/lib/onHidden.js

@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+export const onHidden = (cb) => {
+    const onHiddenOrPageHide = (event) => {
+        if (event.type === 'pagehide' || document.visibilityState === 'hidden') {
+            cb(event);
+        }
+    };
+    addEventListener('visibilitychange', onHiddenOrPageHide, true);
+    // Some browsers have buggy implementations of visibilitychange,
+    // so we use pagehide in addition, just to be safe.
+    addEventListener('pagehide', onHiddenOrPageHide, true);
+};

node_modules/web-vitals/dist/modules/lib/polyfills/firstInputPolyfill.d.ts

@@ -0,0 +1,7 @@
+import { FirstInputPolyfillCallback } from '../../types.js';
+/**
+ * Accepts a callback to be invoked once the first input delay and event
+ * are known.
+ */
+export declare const firstInputPolyfill: (onFirstInput: FirstInputPolyfillCallback) => void;
+export declare const resetFirstInputPolyfill: () => void;

node_modules/web-vitals/dist/modules/lib/polyfills/firstInputPolyfill.js

@@ -0,0 +1,147 @@
+/*
+ * 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.
+ */
+let firstInputEvent;
+let firstInputDelay;
+let firstInputTimeStamp;
+let callbacks;
+const listenerOpts = { passive: true, capture: true };
+const startTimeStamp = new Date();
+/**
+ * Accepts a callback to be invoked once the first input delay and event
+ * are known.
+ */
+export const firstInputPolyfill = (onFirstInput) => {
+    callbacks.push(onFirstInput);
+    reportFirstInputDelayIfRecordedAndValid();
+};
+export const resetFirstInputPolyfill = () => {
+    callbacks = [];
+    firstInputDelay = -1;
+    firstInputEvent = null;
+    eachEventType(addEventListener);
+};
+/**
+ * Records the first input delay and event, so subsequent events can be
+ * ignored. All added event listeners are then removed.
+ */
+const recordFirstInputDelay = (delay, event) => {
+    if (!firstInputEvent) {
+        firstInputEvent = event;
+        firstInputDelay = delay;
+        firstInputTimeStamp = new Date();
+        eachEventType(removeEventListener);
+        reportFirstInputDelayIfRecordedAndValid();
+    }
+};
+/**
+ * Reports the first input delay and event (if they're recorded and valid)
+ * by running the array of callback functions.
+ */
+const reportFirstInputDelayIfRecordedAndValid = () => {
+    // In some cases the recorded delay is clearly wrong, e.g. it's negative
+    // or it's larger than the delta between now and initialization.
+    // - https://github.com/GoogleChromeLabs/first-input-delay/issues/4
+    // - https://github.com/GoogleChromeLabs/first-input-delay/issues/6
+    // - https://github.com/GoogleChromeLabs/first-input-delay/issues/7
+    if (firstInputDelay >= 0 &&
+        // @ts-ignore (subtracting two dates always returns a number)
+        firstInputDelay < firstInputTimeStamp - startTimeStamp) {
+        const entry = {
+            entryType: 'first-input',
+            name: firstInputEvent.type,
+            target: firstInputEvent.target,
+            cancelable: firstInputEvent.cancelable,
+            startTime: firstInputEvent.timeStamp,
+            processingStart: firstInputEvent.timeStamp + firstInputDelay,
+        };
+        callbacks.forEach(function (callback) {
+            callback(entry);
+        });
+        callbacks = [];
+    }
+};
+/**
+ * Handles pointer down events, which are a special case.
+ * Pointer events can trigger main or compositor thread behavior.
+ * We differentiate these cases based on whether or not we see a
+ * 'pointercancel' event, which are fired when we scroll. If we're scrolling
+ * we don't need to report input delay since FID excludes scrolling and
+ * pinch/zooming.
+ */
+const onPointerDown = (delay, event) => {
+    /**
+     * Responds to 'pointerup' events and records a delay. If a pointer up event
+     * is the next event after a pointerdown event, then it's not a scroll or
+     * a pinch/zoom.
+     */
+    const onPointerUp = () => {
+        recordFirstInputDelay(delay, event);
+        removePointerEventListeners();
+    };
+    /**
+     * Responds to 'pointercancel' events and removes pointer listeners.
+     * If a 'pointercancel' is the next event to fire after a pointerdown event,
+     * it means this is a scroll or pinch/zoom interaction.
+     */
+    const onPointerCancel = () => {
+        removePointerEventListeners();
+    };
+    /**
+     * Removes added pointer event listeners.
+     */
+    const removePointerEventListeners = () => {
+        removeEventListener('pointerup', onPointerUp, listenerOpts);
+        removeEventListener('pointercancel', onPointerCancel, listenerOpts);
+    };
+    addEventListener('pointerup', onPointerUp, listenerOpts);
+    addEventListener('pointercancel', onPointerCancel, listenerOpts);
+};
+/**
+ * Handles all input events and records the time between when the event
+ * was received by the operating system and when it's JavaScript listeners
+ * were able to run.
+ */
+const onInput = (event) => {
+    // Only count cancelable events, which should trigger behavior
+    // important to the user.
+    if (event.cancelable) {
+        // In some browsers `event.timeStamp` returns a `DOMTimeStamp` value
+        // (epoch time) instead of the newer `DOMHighResTimeStamp`
+        // (document-origin time). To check for that we assume any timestamp
+        // greater than 1 trillion is a `DOMTimeStamp`, and compare it using
+        // the `Date` object rather than `performance.now()`.
+        // - https://github.com/GoogleChromeLabs/first-input-delay/issues/4
+        const isEpochTime = event.timeStamp > 1e12;
+        const now = isEpochTime ? new Date() : performance.now();
+        // Input delay is the delta between when the system received the event
+        // (e.g. event.timeStamp) and when it could run the callback (e.g. `now`).
+        const delay = now - event.timeStamp;
+        if (event.type == 'pointerdown') {
+            onPointerDown(delay, event);
+        }
+        else {
+            recordFirstInputDelay(delay, event);
+        }
+    }
+};
+/**
+ * Invokes the passed callback const for =  each event type with t =>he
+ * `onInput` const and =  `listenerOpts =>`.
+ */
+const eachEventType = (callback) => {
+    const eventTypes = ['mousedown', 'keydown', 'touchstart', 'pointerdown'];
+    eventTypes.forEach((type) => callback(type, onInput, listenerOpts));
+};

node_modules/web-vitals/dist/modules/lib/polyfills/getFirstHiddenTimePolyfill.d.ts

@@ -0,0 +1 @@
+export declare const getFirstHiddenTime: () => number;

node_modules/web-vitals/dist/modules/lib/polyfills/getFirstHiddenTimePolyfill.js

@@ -0,0 +1,25 @@
+/*
+ * 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.
+ */
+let firstHiddenTime = document.visibilityState === 'hidden' ? 0 : Infinity;
+const onVisibilityChange = (event) => {
+    if (document.visibilityState === 'hidden') {
+        firstHiddenTime = event.timeStamp;
+        removeEventListener('visibilitychange', onVisibilityChange, true);
+    }
+};
+// Note: do not add event listeners unconditionally (outside of polyfills).
+addEventListener('visibilitychange', onVisibilityChange, true);
+export const getFirstHiddenTime = () => firstHiddenTime;

node_modules/web-vitals/dist/modules/lib/polyfills/interactionCountPolyfill.d.ts

@@ -0,0 +1,14 @@
+declare global {
+    interface Performance {
+        interactionCount: number;
+    }
+}
+/**
+ * Returns the `interactionCount` value using the native API (if available)
+ * or the polyfill estimate in this module.
+ */
+export declare const getInteractionCount: () => number;
+/**
+ * Feature detects native support or initializes the polyfill if needed.
+ */
+export declare const initInteractionCountPolyfill: () => void;

node_modules/web-vitals/dist/modules/lib/polyfills/interactionCountPolyfill.js

@@ -0,0 +1,50 @@
+/*
+ * 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 { observe } from '../observe.js';
+let interactionCountEstimate = 0;
+let minKnownInteractionId = Infinity;
+let maxKnownInteractionId = 0;
+const updateEstimate = (entries) => {
+    entries.forEach((e) => {
+        if (e.interactionId) {
+            minKnownInteractionId = Math.min(minKnownInteractionId, e.interactionId);
+            maxKnownInteractionId = Math.max(maxKnownInteractionId, e.interactionId);
+            interactionCountEstimate = maxKnownInteractionId
+                ? (maxKnownInteractionId - minKnownInteractionId) / 7 + 1
+                : 0;
+        }
+    });
+};
+let po;
+/**
+ * Returns the `interactionCount` value using the native API (if available)
+ * or the polyfill estimate in this module.
+ */
+export const getInteractionCount = () => {
+    return po ? interactionCountEstimate : performance.interactionCount || 0;
+};
+/**
+ * Feature detects native support or initializes the polyfill if needed.
+ */
+export const initInteractionCountPolyfill = () => {
+    if ('interactionCount' in performance || po)
+        return;
+    po = observe('event', updateEstimate, {
+        type: 'event',
+        buffered: true,
+        durationThreshold: 0,
+    });
+};

node_modules/web-vitals/dist/modules/lib/runOnce.d.ts

@@ -0,0 +1,4 @@
+export interface RunOnceCallback {
+    (arg: unknown): void;
+}
+export declare const runOnce: (cb: RunOnceCallback) => (arg: unknown) => void;

node_modules/web-vitals/dist/modules/lib/runOnce.js

@@ -0,0 +1,24 @@
+/*
+ * 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.
+ */
+export const runOnce = (cb) => {
+    let called = false;
+    return (arg) => {
+        if (!called) {
+            cb(arg);
+            called = true;
+        }
+    };
+};

node_modules/web-vitals/dist/modules/lib/whenActivated.d.ts

@@ -0,0 +1 @@
+export declare const whenActivated: (callback: () => void) => void;

node_modules/web-vitals/dist/modules/lib/whenActivated.js

@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+export const whenActivated = (callback) => {
+    if (document.prerendering) {
+        addEventListener('prerenderingchange', () => callback(), true);
+    }
+    else {
+        callback();
+    }
+};

node_modules/web-vitals/dist/modules/onCLS.d.ts

@@ -0,0 +1,25 @@
+import { CLSReportCallback, MetricRatingThresholds, ReportOpts } from './types.js';
+/** Thresholds for CLS. See https://web.dev/articles/cls#what_is_a_good_cls_score */
+export declare const CLSThresholds: MetricRatingThresholds;
+/**
+ * Calculates the [CLS](https://web.dev/articles/cls) value for the current page and
+ * calls the `callback` function once the value is ready to be reported, along
+ * with all `layout-shift` performance entries that were used in the metric
+ * value calculation. The reported value is a `double` (corresponding to a
+ * [layout shift score](https://web.dev/articles/cls#layout_shift_score)).
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called as soon as the value is initially
+ * determined as well as any time the value changes throughout the page
+ * lifespan.
+ *
+ * _**Important:** CLS should be continually monitored for changes throughout
+ * the entire lifespan of a page—including if the user returns to the page after
+ * it's been hidden/backgrounded. However, since browsers often [will not fire
+ * additional callbacks once the user has backgrounded a
+ * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),
+ * `callback` is always called when the page's visibility state changes to
+ * hidden. As a result, the `callback` function might be called multiple times
+ * during the same page load._
+ */
+export declare const onCLS: (onReport: CLSReportCallback, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/onCLS.js

@@ -0,0 +1,108 @@
+/*
+ * 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 { onBFCacheRestore } from './lib/bfcache.js';
+import { initMetric } from './lib/initMetric.js';
+import { observe } from './lib/observe.js';
+import { bindReporter } from './lib/bindReporter.js';
+import { doubleRAF } from './lib/doubleRAF.js';
+import { onHidden } from './lib/onHidden.js';
+import { runOnce } from './lib/runOnce.js';
+import { onFCP } from './onFCP.js';
+/** Thresholds for CLS. See https://web.dev/articles/cls#what_is_a_good_cls_score */
+export const CLSThresholds = [0.1, 0.25];
+/**
+ * Calculates the [CLS](https://web.dev/articles/cls) value for the current page and
+ * calls the `callback` function once the value is ready to be reported, along
+ * with all `layout-shift` performance entries that were used in the metric
+ * value calculation. The reported value is a `double` (corresponding to a
+ * [layout shift score](https://web.dev/articles/cls#layout_shift_score)).
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called as soon as the value is initially
+ * determined as well as any time the value changes throughout the page
+ * lifespan.
+ *
+ * _**Important:** CLS should be continually monitored for changes throughout
+ * the entire lifespan of a page—including if the user returns to the page after
+ * it's been hidden/backgrounded. However, since browsers often [will not fire
+ * additional callbacks once the user has backgrounded a
+ * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),
+ * `callback` is always called when the page's visibility state changes to
+ * hidden. As a result, the `callback` function might be called multiple times
+ * during the same page load._
+ */
+export const onCLS = (onReport, opts) => {
+    // Set defaults
+    opts = opts || {};
+    // Start monitoring FCP so we can only report CLS if FCP is also reported.
+    // Note: this is done to match the current behavior of CrUX.
+    onFCP(runOnce(() => {
+        let metric = initMetric('CLS', 0);
+        let report;
+        let sessionValue = 0;
+        let sessionEntries = [];
+        const handleEntries = (entries) => {
+            entries.forEach((entry) => {
+                // Only count layout shifts without recent user input.
+                if (!entry.hadRecentInput) {
+                    const firstSessionEntry = sessionEntries[0];
+                    const lastSessionEntry = sessionEntries[sessionEntries.length - 1];
+                    // If the entry occurred less than 1 second after the previous entry
+                    // and less than 5 seconds after the first entry in the session,
+                    // include the entry in the current session. Otherwise, start a new
+                    // session.
+                    if (sessionValue &&
+                        entry.startTime - lastSessionEntry.startTime < 1000 &&
+                        entry.startTime - firstSessionEntry.startTime < 5000) {
+                        sessionValue += entry.value;
+                        sessionEntries.push(entry);
+                    }
+                    else {
+                        sessionValue = entry.value;
+                        sessionEntries = [entry];
+                    }
+                }
+            });
+            // If the current session value is larger than the current CLS value,
+            // update CLS and the entries contributing to it.
+            if (sessionValue > metric.value) {
+                metric.value = sessionValue;
+                metric.entries = sessionEntries;
+                report();
+            }
+        };
+        const po = observe('layout-shift', handleEntries);
+        if (po) {
+            report = bindReporter(onReport, metric, CLSThresholds, opts.reportAllChanges);
+            onHidden(() => {
+                handleEntries(po.takeRecords());
+                report(true);
+            });
+            // Only report after a bfcache restore if the `PerformanceObserver`
+            // successfully registered.
+            onBFCacheRestore(() => {
+                sessionValue = 0;
+                metric = initMetric('CLS', 0);
+                report = bindReporter(onReport, metric, CLSThresholds, opts.reportAllChanges);
+                doubleRAF(() => report());
+            });
+            // Queue a task to report (if nothing else triggers a report first).
+            // This allows CLS to be reported as soon as FCP fires when
+            // `reportAllChanges` is true.
+            setTimeout(report, 0);
+        }
+    }));
+};

node_modules/web-vitals/dist/modules/onFCP.d.ts

@@ -0,0 +1,10 @@
+import { FCPReportCallback, MetricRatingThresholds, ReportOpts } from './types.js';
+/** Thresholds for FCP. See https://web.dev/articles/fcp#what_is_a_good_fcp_score */
+export declare const FCPThresholds: MetricRatingThresholds;
+/**
+ * Calculates the [FCP](https://web.dev/articles/fcp) value for the current page and
+ * calls the `callback` function once the value is ready, along with the
+ * relevant `paint` performance entry used to determine the value. The reported
+ * value is a `DOMHighResTimeStamp`.
+ */
+export declare const onFCP: (onReport: FCPReportCallback, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/onFCP.js

@@ -0,0 +1,71 @@
+/*
+ * 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 { onBFCacheRestore } from './lib/bfcache.js';
+import { bindReporter } from './lib/bindReporter.js';
+import { doubleRAF } from './lib/doubleRAF.js';
+import { getActivationStart } from './lib/getActivationStart.js';
+import { getVisibilityWatcher } from './lib/getVisibilityWatcher.js';
+import { initMetric } from './lib/initMetric.js';
+import { observe } from './lib/observe.js';
+import { whenActivated } from './lib/whenActivated.js';
+/** Thresholds for FCP. See https://web.dev/articles/fcp#what_is_a_good_fcp_score */
+export const FCPThresholds = [1800, 3000];
+/**
+ * Calculates the [FCP](https://web.dev/articles/fcp) value for the current page and
+ * calls the `callback` function once the value is ready, along with the
+ * relevant `paint` performance entry used to determine the value. The reported
+ * value is a `DOMHighResTimeStamp`.
+ */
+export const onFCP = (onReport, opts) => {
+    // Set defaults
+    opts = opts || {};
+    whenActivated(() => {
+        const visibilityWatcher = getVisibilityWatcher();
+        let metric = initMetric('FCP');
+        let report;
+        const handleEntries = (entries) => {
+            entries.forEach((entry) => {
+                if (entry.name === 'first-contentful-paint') {
+                    po.disconnect();
+                    // Only report if the page wasn't hidden prior to the first paint.
+                    if (entry.startTime < visibilityWatcher.firstHiddenTime) {
+                        // The activationStart reference is used because FCP should be
+                        // relative to page activation rather than navigation start if the
+                        // page was prerendered. But in cases where `activationStart` occurs
+                        // after the FCP, this time should be clamped at 0.
+                        metric.value = Math.max(entry.startTime - getActivationStart(), 0);
+                        metric.entries.push(entry);
+                        report(true);
+                    }
+                }
+            });
+        };
+        const po = observe('paint', handleEntries);
+        if (po) {
+            report = bindReporter(onReport, metric, FCPThresholds, opts.reportAllChanges);
+            // Only report after a bfcache restore if the `PerformanceObserver`
+            // successfully registered or the `paint` entry exists.
+            onBFCacheRestore((event) => {
+                metric = initMetric('FCP');
+                report = bindReporter(onReport, metric, FCPThresholds, opts.reportAllChanges);
+                doubleRAF(() => {
+                    metric.value = performance.now() - event.timeStamp;
+                    report(true);
+                });
+            });
+        }
+    });
+};

node_modules/web-vitals/dist/modules/onFID.d.ts

@@ -0,0 +1,13 @@
+import { FIDReportCallback, MetricRatingThresholds, ReportOpts } from './types.js';
+/** Thresholds for FID. See https://web.dev/articles/fid#what_is_a_good_fid_score */
+export declare const FIDThresholds: MetricRatingThresholds;
+/**
+ * Calculates the [FID](https://web.dev/articles/fid) value for the current page and
+ * calls the `callback` function once the value is ready, along with the
+ * relevant `first-input` performance entry used to determine the value. The
+ * reported value is a `DOMHighResTimeStamp`.
+ *
+ * _**Important:** since FID is only reported after the user interacts with the
+ * page, it's possible that it will not be reported for some page loads._
+ */
+export declare const onFID: (onReport: FIDReportCallback, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/onFID.js

@@ -0,0 +1,87 @@
+/*
+ * 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 { onBFCacheRestore } from './lib/bfcache.js';
+import { bindReporter } from './lib/bindReporter.js';
+import { getVisibilityWatcher } from './lib/getVisibilityWatcher.js';
+import { initMetric } from './lib/initMetric.js';
+import { observe } from './lib/observe.js';
+import { onHidden } from './lib/onHidden.js';
+import { firstInputPolyfill, resetFirstInputPolyfill, } from './lib/polyfills/firstInputPolyfill.js';
+import { runOnce } from './lib/runOnce.js';
+import { whenActivated } from './lib/whenActivated.js';
+/** Thresholds for FID. See https://web.dev/articles/fid#what_is_a_good_fid_score */
+export const FIDThresholds = [100, 300];
+/**
+ * Calculates the [FID](https://web.dev/articles/fid) value for the current page and
+ * calls the `callback` function once the value is ready, along with the
+ * relevant `first-input` performance entry used to determine the value. The
+ * reported value is a `DOMHighResTimeStamp`.
+ *
+ * _**Important:** since FID is only reported after the user interacts with the
+ * page, it's possible that it will not be reported for some page loads._
+ */
+export const onFID = (onReport, opts) => {
+    // Set defaults
+    opts = opts || {};
+    whenActivated(() => {
+        const visibilityWatcher = getVisibilityWatcher();
+        let metric = initMetric('FID');
+        let report;
+        const handleEntry = (entry) => {
+            // Only report if the page wasn't hidden prior to the first input.
+            if (entry.startTime < visibilityWatcher.firstHiddenTime) {
+                metric.value = entry.processingStart - entry.startTime;
+                metric.entries.push(entry);
+                report(true);
+            }
+        };
+        const handleEntries = (entries) => {
+            entries.forEach(handleEntry);
+        };
+        const po = observe('first-input', handleEntries);
+        report = bindReporter(onReport, metric, FIDThresholds, opts.reportAllChanges);
+        if (po) {
+            onHidden(runOnce(() => {
+                handleEntries(po.takeRecords());
+                po.disconnect();
+            }));
+        }
+        if (window.__WEB_VITALS_POLYFILL__) {
+            console.warn('The web-vitals "base+polyfill" build is deprecated. See: https://bit.ly/3aqzsGm');
+            // Prefer the native implementation if available,
+            if (!po) {
+                window.webVitals.firstInputPolyfill(handleEntry);
+            }
+            onBFCacheRestore(() => {
+                metric = initMetric('FID');
+                report = bindReporter(onReport, metric, FIDThresholds, opts.reportAllChanges);
+                window.webVitals.resetFirstInputPolyfill();
+                window.webVitals.firstInputPolyfill(handleEntry);
+            });
+        }
+        else {
+            // Only monitor bfcache restores if the browser supports FID natively.
+            if (po) {
+                onBFCacheRestore(() => {
+                    metric = initMetric('FID');
+                    report = bindReporter(onReport, metric, FIDThresholds, opts.reportAllChanges);
+                    resetFirstInputPolyfill();
+                    firstInputPolyfill(handleEntry);
+                });
+            }
+        }
+    });
+};

node_modules/web-vitals/dist/modules/onINP.d.ts

@@ -0,0 +1,31 @@
+import { INPReportCallback, MetricRatingThresholds, ReportOpts } from './types.js';
+/** Thresholds for INP. See https://web.dev/articles/inp#what_is_a_good_inp_score */
+export declare const INPThresholds: MetricRatingThresholds;
+/**
+ * Calculates the [INP](https://web.dev/articles/inp) value for the current
+ * page and calls the `callback` function once the value is ready, along with
+ * the `event` performance entries reported for that interaction. The reported
+ * value is a `DOMHighResTimeStamp`.
+ *
+ * A custom `durationThreshold` configuration option can optionally be passed to
+ * control what `event-timing` entries are considered for INP reporting. The
+ * default threshold is `40`, which means INP scores of less than 40 are
+ * reported as 0. Note that this will not affect your 75th percentile INP value
+ * unless that value is also less than 40 (well below the recommended
+ * [good](https://web.dev/articles/inp#what_is_a_good_inp_score) threshold).
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called as soon as the value is initially
+ * determined as well as any time the value changes throughout the page
+ * lifespan.
+ *
+ * _**Important:** INP should be continually monitored for changes throughout
+ * the entire lifespan of a page—including if the user returns to the page after
+ * it's been hidden/backgrounded. However, since browsers often [will not fire
+ * additional callbacks once the user has backgrounded a
+ * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),
+ * `callback` is always called when the page's visibility state changes to
+ * hidden. As a result, the `callback` function might be called multiple times
+ * during the same page load._
+ */
+export declare const onINP: (onReport: INPReportCallback, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/onINP.js

@@ -0,0 +1,194 @@
+/*
+ * 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 { onBFCacheRestore } from './lib/bfcache.js';
+import { bindReporter } from './lib/bindReporter.js';
+import { initMetric } from './lib/initMetric.js';
+import { observe } from './lib/observe.js';
+import { onHidden } from './lib/onHidden.js';
+import { getInteractionCount, initInteractionCountPolyfill, } from './lib/polyfills/interactionCountPolyfill.js';
+import { whenActivated } from './lib/whenActivated.js';
+/** Thresholds for INP. See https://web.dev/articles/inp#what_is_a_good_inp_score */
+export const INPThresholds = [200, 500];
+// Used to store the interaction count after a bfcache restore, since p98
+// interaction latencies should only consider the current navigation.
+let prevInteractionCount = 0;
+/**
+ * Returns the interaction count since the last bfcache restore (or for the
+ * full page lifecycle if there were no bfcache restores).
+ */
+const getInteractionCountForNavigation = () => {
+    return getInteractionCount() - prevInteractionCount;
+};
+// To prevent unnecessary memory usage on pages with lots of interactions,
+// store at most 10 of the longest interactions to consider as INP candidates.
+const MAX_INTERACTIONS_TO_CONSIDER = 10;
+// A list of longest interactions on the page (by latency) sorted so the
+// longest one is first. The list is as most MAX_INTERACTIONS_TO_CONSIDER long.
+let longestInteractionList = [];
+// A mapping of longest interactions by their interaction ID.
+// This is used for faster lookup.
+const longestInteractionMap = {};
+/**
+ * Takes a performance entry and adds it to the list of worst interactions
+ * if its duration is long enough to make it among the worst. If the
+ * entry is part of an existing interaction, it is merged and the latency
+ * and entries list is updated as needed.
+ */
+const processEntry = (entry) => {
+    // The least-long of the 10 longest interactions.
+    const minLongestInteraction = longestInteractionList[longestInteractionList.length - 1];
+    const existingInteraction = longestInteractionMap[entry.interactionId];
+    // Only process the entry if it's possibly one of the ten longest,
+    // or if it's part of an existing interaction.
+    if (existingInteraction ||
+        longestInteractionList.length < MAX_INTERACTIONS_TO_CONSIDER ||
+        entry.duration > minLongestInteraction.latency) {
+        // If the interaction already exists, update it. Otherwise create one.
+        if (existingInteraction) {
+            existingInteraction.entries.push(entry);
+            existingInteraction.latency = Math.max(existingInteraction.latency, entry.duration);
+        }
+        else {
+            const interaction = {
+                id: entry.interactionId,
+                latency: entry.duration,
+                entries: [entry],
+            };
+            longestInteractionMap[interaction.id] = interaction;
+            longestInteractionList.push(interaction);
+        }
+        // Sort the entries by latency (descending) and keep only the top ten.
+        longestInteractionList.sort((a, b) => b.latency - a.latency);
+        longestInteractionList.splice(MAX_INTERACTIONS_TO_CONSIDER).forEach((i) => {
+            delete longestInteractionMap[i.id];
+        });
+    }
+};
+/**
+ * Returns the estimated p98 longest interaction based on the stored
+ * interaction candidates and the interaction count for the current page.
+ */
+const estimateP98LongestInteraction = () => {
+    const candidateInteractionIndex = Math.min(longestInteractionList.length - 1, Math.floor(getInteractionCountForNavigation() / 50));
+    return longestInteractionList[candidateInteractionIndex];
+};
+/**
+ * Calculates the [INP](https://web.dev/articles/inp) value for the current
+ * page and calls the `callback` function once the value is ready, along with
+ * the `event` performance entries reported for that interaction. The reported
+ * value is a `DOMHighResTimeStamp`.
+ *
+ * A custom `durationThreshold` configuration option can optionally be passed to
+ * control what `event-timing` entries are considered for INP reporting. The
+ * default threshold is `40`, which means INP scores of less than 40 are
+ * reported as 0. Note that this will not affect your 75th percentile INP value
+ * unless that value is also less than 40 (well below the recommended
+ * [good](https://web.dev/articles/inp#what_is_a_good_inp_score) threshold).
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called as soon as the value is initially
+ * determined as well as any time the value changes throughout the page
+ * lifespan.
+ *
+ * _**Important:** INP should be continually monitored for changes throughout
+ * the entire lifespan of a page—including if the user returns to the page after
+ * it's been hidden/backgrounded. However, since browsers often [will not fire
+ * additional callbacks once the user has backgrounded a
+ * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),
+ * `callback` is always called when the page's visibility state changes to
+ * hidden. As a result, the `callback` function might be called multiple times
+ * during the same page load._
+ */
+export const onINP = (onReport, opts) => {
+    // Set defaults
+    opts = opts || {};
+    whenActivated(() => {
+        // TODO(philipwalton): remove once the polyfill is no longer needed.
+        initInteractionCountPolyfill();
+        let metric = initMetric('INP');
+        let report;
+        const handleEntries = (entries) => {
+            entries.forEach((entry) => {
+                if (entry.interactionId) {
+                    processEntry(entry);
+                }
+                // Entries of type `first-input` don't currently have an `interactionId`,
+                // so to consider them in INP we have to first check that an existing
+                // entry doesn't match the `duration` and `startTime`.
+                // Note that this logic assumes that `event` entries are dispatched
+                // before `first-input` entries. This is true in Chrome (the only browser
+                // that currently supports INP).
+                // TODO(philipwalton): remove once crbug.com/1325826 is fixed.
+                if (entry.entryType === 'first-input') {
+                    const noMatchingEntry = !longestInteractionList.some((interaction) => {
+                        return interaction.entries.some((prevEntry) => {
+                            return (entry.duration === prevEntry.duration &&
+                                entry.startTime === prevEntry.startTime);
+                        });
+                    });
+                    if (noMatchingEntry) {
+                        processEntry(entry);
+                    }
+                }
+            });
+            const inp = estimateP98LongestInteraction();
+            if (inp && inp.latency !== metric.value) {
+                metric.value = inp.latency;
+                metric.entries = inp.entries;
+                report();
+            }
+        };
+        const po = observe('event', handleEntries, {
+            // Event Timing entries have their durations rounded to the nearest 8ms,
+            // so a duration of 40ms would be any event that spans 2.5 or more frames
+            // at 60Hz. This threshold is chosen to strike a balance between usefulness
+            // and performance. Running this callback for any interaction that spans
+            // just one or two frames is likely not worth the insight that could be
+            // gained.
+            durationThreshold: opts.durationThreshold ?? 40,
+        });
+        report = bindReporter(onReport, metric, INPThresholds, opts.reportAllChanges);
+        if (po) {
+            // If browser supports interactionId (and so supports INP), also
+            // observe entries of type `first-input`. This is useful in cases
+            // where the first interaction is less than the `durationThreshold`.
+            if ('PerformanceEventTiming' in window &&
+                'interactionId' in PerformanceEventTiming.prototype) {
+                po.observe({ type: 'first-input', buffered: true });
+            }
+            onHidden(() => {
+                handleEntries(po.takeRecords());
+                // If the interaction count shows that there were interactions but
+                // none were captured by the PerformanceObserver, report a latency of 0.
+                if (metric.value < 0 && getInteractionCountForNavigation() > 0) {
+                    metric.value = 0;
+                    metric.entries = [];
+                }
+                report(true);
+            });
+            // Only report after a bfcache restore if the `PerformanceObserver`
+            // successfully registered.
+            onBFCacheRestore(() => {
+                longestInteractionList = [];
+                // Important, we want the count for the full page here,
+                // not just for the current navigation.
+                prevInteractionCount = getInteractionCount();
+                metric = initMetric('INP');
+                report = bindReporter(onReport, metric, INPThresholds, opts.reportAllChanges);
+            });
+        }
+    });
+};

node_modules/web-vitals/dist/modules/onLCP.d.ts

@@ -0,0 +1,15 @@
+import { MetricRatingThresholds, LCPReportCallback, ReportOpts } from './types.js';
+/** Thresholds for LCP. See https://web.dev/articles/lcp#what_is_a_good_lcp_score */
+export declare const LCPThresholds: MetricRatingThresholds;
+/**
+ * Calculates the [LCP](https://web.dev/articles/lcp) value for the current page and
+ * calls the `callback` function once the value is ready (along with the
+ * relevant `largest-contentful-paint` performance entry used to determine the
+ * value). The reported value is a `DOMHighResTimeStamp`.
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called any time a new `largest-contentful-paint`
+ * performance entry is dispatched, or once the final value of the metric has
+ * been determined.
+ */
+export declare const onLCP: (onReport: LCPReportCallback, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/onLCP.js

@@ -0,0 +1,98 @@
+/*
+ * 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 { onBFCacheRestore } from './lib/bfcache.js';
+import { bindReporter } from './lib/bindReporter.js';
+import { doubleRAF } from './lib/doubleRAF.js';
+import { getActivationStart } from './lib/getActivationStart.js';
+import { getVisibilityWatcher } from './lib/getVisibilityWatcher.js';
+import { initMetric } from './lib/initMetric.js';
+import { observe } from './lib/observe.js';
+import { onHidden } from './lib/onHidden.js';
+import { runOnce } from './lib/runOnce.js';
+import { whenActivated } from './lib/whenActivated.js';
+/** Thresholds for LCP. See https://web.dev/articles/lcp#what_is_a_good_lcp_score */
+export const LCPThresholds = [2500, 4000];
+const reportedMetricIDs = {};
+/**
+ * Calculates the [LCP](https://web.dev/articles/lcp) value for the current page and
+ * calls the `callback` function once the value is ready (along with the
+ * relevant `largest-contentful-paint` performance entry used to determine the
+ * value). The reported value is a `DOMHighResTimeStamp`.
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called any time a new `largest-contentful-paint`
+ * performance entry is dispatched, or once the final value of the metric has
+ * been determined.
+ */
+export const onLCP = (onReport, opts) => {
+    // Set defaults
+    opts = opts || {};
+    whenActivated(() => {
+        const visibilityWatcher = getVisibilityWatcher();
+        let metric = initMetric('LCP');
+        let report;
+        const handleEntries = (entries) => {
+            const lastEntry = entries[entries.length - 1];
+            if (lastEntry) {
+                // Only report if the page wasn't hidden prior to LCP.
+                if (lastEntry.startTime < visibilityWatcher.firstHiddenTime) {
+                    // The startTime attribute returns the value of the renderTime if it is
+                    // not 0, and the value of the loadTime otherwise. The activationStart
+                    // reference is used because LCP should be relative to page activation
+                    // rather than navigation start if the page was prerendered. But in cases
+                    // where `activationStart` occurs after the LCP, this time should be
+                    // clamped at 0.
+                    metric.value = Math.max(lastEntry.startTime - getActivationStart(), 0);
+                    metric.entries = [lastEntry];
+                    report();
+                }
+            }
+        };
+        const po = observe('largest-contentful-paint', handleEntries);
+        if (po) {
+            report = bindReporter(onReport, metric, LCPThresholds, opts.reportAllChanges);
+            const stopListening = runOnce(() => {
+                if (!reportedMetricIDs[metric.id]) {
+                    handleEntries(po.takeRecords());
+                    po.disconnect();
+                    reportedMetricIDs[metric.id] = true;
+                    report(true);
+                }
+            });
+            // Stop listening after input. Note: while scrolling is an input that
+            // stops LCP observation, it's unreliable since it can be programmatically
+            // generated. See: https://github.com/GoogleChrome/web-vitals/issues/75
+            ['keydown', 'click'].forEach((type) => {
+                // Wrap in a setTimeout so the callback is run in a separate task
+                // to avoid extending the keyboard/click handler to reduce INP impact
+                // https://github.com/GoogleChrome/web-vitals/issues/383
+                addEventListener(type, () => setTimeout(stopListening, 0), true);
+            });
+            onHidden(stopListening);
+            // Only report after a bfcache restore if the `PerformanceObserver`
+            // successfully registered.
+            onBFCacheRestore((event) => {
+                metric = initMetric('LCP');
+                report = bindReporter(onReport, metric, LCPThresholds, opts.reportAllChanges);
+                doubleRAF(() => {
+                    metric.value = performance.now() - event.timeStamp;
+                    reportedMetricIDs[metric.id] = true;
+                    report(true);
+                });
+            });
+        }
+    });
+};

node_modules/web-vitals/dist/modules/onTTFB.d.ts

@@ -0,0 +1,19 @@
+import { MetricRatingThresholds, ReportOpts, TTFBReportCallback } from './types.js';
+/** Thresholds for TTFB. See https://web.dev/articles/ttfb#what_is_a_good_ttfb_score */
+export declare const TTFBThresholds: MetricRatingThresholds;
+/**
+ * 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 declare const onTTFB: (onReport: TTFBReportCallback, opts?: ReportOpts) => void;

node_modules/web-vitals/dist/modules/onTTFB.js

@@ -0,0 +1,88 @@
+/*
+ * 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 { 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 = [800, 1800];
+/**
+ * Runs in the next task after the page is done loading and/or prerendering.
+ * @param callback
+ */
+const whenReady = (callback) => {
+    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, opts) => {
+    // Set defaults
+    opts = opts || {};
+    let metric = initMetric('TTFB');
+    let report = bindReporter(onReport, metric, TTFBThresholds, opts.reportAllChanges);
+    whenReady(() => {
+        const navEntry = getNavigationEntry();
+        if (navEntry) {
+            const responseStart = navEntry.responseStart;
+            // In some cases no value is reported by the browser (for
+            // privacy/security reasons), and in other cases (bugs) the value is
+            // negative or is larger than the current page time. Ignore these cases:
+            // https://github.com/GoogleChrome/web-vitals/issues/137
+            // https://github.com/GoogleChrome/web-vitals/issues/162
+            // https://github.com/GoogleChrome/web-vitals/issues/275
+            if (responseStart <= 0 || responseStart > performance.now())
+                return;
+            // 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(responseStart - getActivationStart(), 0);
+            metric.entries = [navEntry];
+            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);
+            });
+        }
+    });
+};

node_modules/web-vitals/dist/modules/polyfill.d.ts

@@ -0,0 +1 @@
+export {};

node_modules/web-vitals/dist/modules/polyfill.js

@@ -0,0 +1,25 @@
+/*
+ * 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 { firstInputPolyfill, resetFirstInputPolyfill, } from './lib/polyfills/firstInputPolyfill.js';
+import { getFirstHiddenTime } from './lib/polyfills/getFirstHiddenTimePolyfill.js';
+resetFirstInputPolyfill();
+self.webVitals = {
+    firstInputPolyfill: firstInputPolyfill,
+    resetFirstInputPolyfill: resetFirstInputPolyfill,
+    get firstHiddenTime() {
+        return getFirstHiddenTime();
+    },
+};

node_modules/web-vitals/dist/modules/types.d.ts

@@ -0,0 +1,62 @@
+import { FirstInputPolyfillCallback } from './types/polyfills.js';
+export * from './types/base.js';
+export * from './types/polyfills.js';
+export * from './types/cls.js';
+export * from './types/fcp.js';
+export * from './types/fid.js';
+export * from './types/inp.js';
+export * from './types/lcp.js';
+export * from './types/ttfb.js';
+export interface WebVitalsGlobal {
+    firstInputPolyfill: (onFirstInput: FirstInputPolyfillCallback) => void;
+    resetFirstInputPolyfill: () => void;
+    firstHiddenTime: number;
+}
+declare global {
+    interface Window {
+        webVitals: WebVitalsGlobal;
+        __WEB_VITALS_POLYFILL__: boolean;
+    }
+}
+interface PerformanceEntryMap {
+    navigation: PerformanceNavigationTiming;
+    resource: PerformanceResourceTiming;
+    paint: PerformancePaintTiming;
+}
+declare global {
+    interface Document {
+        prerendering?: boolean;
+        wasDiscarded?: boolean;
+    }
+    interface Performance {
+        getEntriesByType<K extends keyof PerformanceEntryMap>(type: K): PerformanceEntryMap[K][];
+    }
+    interface PerformanceObserverInit {
+        durationThreshold?: number;
+    }
+    interface PerformanceNavigationTiming {
+        activationStart?: number;
+    }
+    interface PerformanceEventTiming extends PerformanceEntry {
+        duration: DOMHighResTimeStamp;
+        interactionId?: number;
+    }
+    interface LayoutShiftAttribution {
+        node?: Node;
+        previousRect: DOMRectReadOnly;
+        currentRect: DOMRectReadOnly;
+    }
+    interface LayoutShift extends PerformanceEntry {
+        value: number;
+        sources: LayoutShiftAttribution[];
+        hadRecentInput: boolean;
+    }
+    interface LargestContentfulPaint extends PerformanceEntry {
+        renderTime: DOMHighResTimeStamp;
+        loadTime: DOMHighResTimeStamp;
+        size: number;
+        id: string;
+        url: string;
+        element?: Element;
+    }
+}

node_modules/web-vitals/dist/modules/types.js

@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+export * from './types/base.js';
+export * from './types/polyfills.js';
+export * from './types/cls.js';
+export * from './types/fcp.js';
+export * from './types/fid.js';
+export * from './types/inp.js';
+export * from './types/lcp.js';
+export * from './types/ttfb.js';

node_modules/web-vitals/dist/modules/types/base.d.ts

@@ -0,0 +1,107 @@
+import { FirstInputPolyfillEntry, NavigationTimingPolyfillEntry } from './polyfills.js';
+import type { CLSMetric } from './cls.js';
+import type { FCPMetric } from './fcp.js';
+import type { FIDMetric } from './fid.js';
+import type { INPMetric } from './inp.js';
+import type { LCPMetric } from './lcp.js';
+import type { TTFBMetric } from './ttfb.js';
+export interface Metric {
+    /**
+     * The name of the metric (in acronym form).
+     */
+    name: 'CLS' | 'FCP' | 'FID' | 'INP' | 'LCP' | 'TTFB';
+    /**
+     * The current value of the metric.
+     */
+    value: number;
+    /**
+     * The rating as to whether the metric value is within the "good",
+     * "needs improvement", or "poor" thresholds of the metric.
+     */
+    rating: 'good' | 'needs-improvement' | 'poor';
+    /**
+     * The delta between the current value and the last-reported value.
+     * On the first report, `delta` and `value` will always be the same.
+     */
+    delta: number;
+    /**
+     * A unique ID representing this particular metric instance. This ID can
+     * be used by an analytics tool to dedupe multiple values sent for the same
+     * metric instance, or to group multiple deltas together and calculate a
+     * total. It can also be used to differentiate multiple different metric
+     * instances sent from the same page, which can happen if the page is
+     * restored from the back/forward cache (in that case new metrics object
+     * get created).
+     */
+    id: string;
+    /**
+     * Any performance entries relevant to the metric value calculation.
+     * The array may also be empty if the metric value was not based on any
+     * entries (e.g. a CLS value of 0 given no layout shifts).
+     */
+    entries: (PerformanceEntry | LayoutShift | FirstInputPolyfillEntry | NavigationTimingPolyfillEntry)[];
+    /**
+     * The type of navigation.
+     *
+     * This will be the value returned by the Navigation Timing API (or
+     * `undefined` if the browser doesn't support that API), with the following
+     * exceptions:
+     * - 'back-forward-cache': for pages that are restored from the bfcache.
+     * - 'prerender': for pages that were prerendered.
+     * - 'restore': for pages that were discarded by the browser and then
+     * restored by the user.
+     */
+    navigationType: 'navigate' | 'reload' | 'back-forward' | 'back-forward-cache' | 'prerender' | 'restore';
+}
+/** The union of supported metric types. */
+export type MetricType = CLSMetric | FCPMetric | FIDMetric | INPMetric | LCPMetric | TTFBMetric;
+/**
+ * A version of the `Metric` that is used with the attribution build.
+ */
+export interface MetricWithAttribution extends Metric {
+    /**
+     * An object containing potentially-helpful debugging information that
+     * can be sent along with the metric value for the current page visit in
+     * order to help identify issues happening to real-users in the field.
+     */
+    attribution: {
+        [key: string]: unknown;
+    };
+}
+/**
+ * The thresholds of metric's "good", "needs improvement", and "poor" ratings.
+ *
+ * - Metric values up to and including [0] are rated "good"
+ * - Metric values up to and including [1] are rated "needs improvement"
+ * - Metric values above [1] are "poor"
+ *
+ * | Metric value    | Rating              |
+ * | --------------- | ------------------- |
+ * | ≦ [0]           | "good"              |
+ * | > [0] and ≦ [1] | "needs improvement" |
+ * | > [1]           | "poor"              |
+ */
+export type MetricRatingThresholds = [number, number];
+export interface ReportCallback {
+    (metric: MetricType): void;
+}
+export interface ReportOpts {
+    reportAllChanges?: boolean;
+    durationThreshold?: number;
+}
+/**
+ * The loading state of the document. Note: this value is similar to
+ * `document.readyState` but it subdivides the "interactive" state into the
+ * time before and after the DOMContentLoaded event fires.
+ *
+ * State descriptions:
+ * - `loading`: the initial document response has not yet been fully downloaded
+ *   and parsed. This is equivalent to the corresponding `readyState` value.
+ * - `dom-interactive`: the document has been fully loaded and parsed, but
+ *   scripts may not have yet finished loading and executing.
+ * - `dom-content-loaded`: the document is fully loaded and parsed, and all
+ *   scripts (except `async` scripts) have loaded and finished executing.
+ * - `complete`: the document and all of its sub-resources have finished
+ *   loading. This is equivalent to the corresponding `readyState` value.
+ */
+export type LoadState = 'loading' | 'dom-interactive' | 'dom-content-loaded' | 'complete';

node_modules/web-vitals/dist/modules/types/base.js

@@ -0,0 +1,16 @@
+/*
+ * 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.
+ */
+export {};

node_modules/web-vitals/dist/modules/types/cls.d.ts

@@ -0,0 +1,67 @@
+import type { LoadState, Metric } from './base.js';
+/**
+ * A CLS-specific version of the Metric object.
+ */
+export interface CLSMetric extends Metric {
+    name: 'CLS';
+    entries: LayoutShift[];
+}
+/**
+ * An object containing potentially-helpful debugging information that
+ * can be sent along with the CLS value for the current page visit in order
+ * to help identify issues happening to real-users in the field.
+ */
+export interface CLSAttribution {
+    /**
+     * A selector identifying the first element (in document order) that
+     * shifted when the single largest layout shift contributing to the page's
+     * CLS score occurred.
+     */
+    largestShiftTarget?: string;
+    /**
+     * The time when the single largest layout shift contributing to the page's
+     * CLS score occurred.
+     */
+    largestShiftTime?: DOMHighResTimeStamp;
+    /**
+     * The layout shift score of the single largest layout shift contributing to
+     * the page's CLS score.
+     */
+    largestShiftValue?: number;
+    /**
+     * The `LayoutShiftEntry` representing the single largest layout shift
+     * contributing to the page's CLS score. (Useful when you need more than just
+     * `largestShiftTarget`, `largestShiftTime`, and `largestShiftValue`).
+     */
+    largestShiftEntry?: LayoutShift;
+    /**
+     * The first element source (in document order) among the `sources` list
+     * of the `largestShiftEntry` object. (Also useful when you need more than
+     * just `largestShiftTarget`, `largestShiftTime`, and `largestShiftValue`).
+     */
+    largestShiftSource?: LayoutShiftAttribution;
+    /**
+     * The loading state of the document at the time when the largest layout
+     * shift contribution to the page's CLS score occurred (see `LoadState`
+     * for details).
+     */
+    loadState?: LoadState;
+}
+/**
+ * A CLS-specific version of the Metric object with attribution.
+ */
+export interface CLSMetricWithAttribution extends CLSMetric {
+    attribution: CLSAttribution;
+}
+/**
+ * A CLS-specific version of the ReportCallback function.
+ */
+export interface CLSReportCallback {
+    (metric: CLSMetric): void;
+}
+/**
+ * A CLS-specific version of the ReportCallback function with attribution.
+ */
+export interface CLSReportCallbackWithAttribution {
+    (metric: CLSMetricWithAttribution): void;
+}

node_modules/web-vitals/dist/modules/types/cls.js

@@ -0,0 +1,16 @@
+/*
+ * 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.
+ */
+export {};

node_modules/web-vitals/dist/modules/types/fcp.d.ts

@@ -0,0 +1,59 @@
+import type { LoadState, Metric } from './base.js';
+import { NavigationTimingPolyfillEntry } from './polyfills.js';
+/**
+ * An FCP-specific version of the Metric object.
+ */
+export interface FCPMetric extends Metric {
+    name: 'FCP';
+    entries: PerformancePaintTiming[];
+}
+/**
+ * An object containing potentially-helpful debugging information that
+ * can be sent along with the FCP value for the current page visit in order
+ * to help identify issues happening to real-users in the field.
+ */
+export interface FCPAttribution {
+    /**
+     * The time from when the user initiates loading the page until when the
+     * browser receives the first byte of the response (a.k.a. TTFB).
+     */
+    timeToFirstByte: number;
+    /**
+     * The delta between TTFB and the first contentful paint (FCP).
+     */
+    firstByteToFCP: number;
+    /**
+     * The loading state of the document at the time when FCP `occurred (see
+     * `LoadState` for details). Ideally, documents can paint before they finish
+     * loading (e.g. the `loading` or `dom-interactive` phases).
+     */
+    loadState: LoadState;
+    /**
+     * The `PerformancePaintTiming` entry corresponding to FCP.
+     */
+    fcpEntry?: PerformancePaintTiming;
+    /**
+     * The `navigation` entry of the current page, which is useful for diagnosing
+     * general page load issues. This can be used to access `serverTiming` for example:
+     * navigationEntry?.serverTiming
+     */
+    navigationEntry?: PerformanceNavigationTiming | NavigationTimingPolyfillEntry;
+}
+/**
+ * An FCP-specific version of the Metric object with attribution.
+ */
+export interface FCPMetricWithAttribution extends FCPMetric {
+    attribution: FCPAttribution;
+}
+/**
+ * An FCP-specific version of the ReportCallback function.
+ */
+export interface FCPReportCallback {
+    (metric: FCPMetric): void;
+}
+/**
+ * An FCP-specific version of the ReportCallback function with attribution.
+ */
+export interface FCPReportCallbackWithAttribution {
+    (metric: FCPMetricWithAttribution): void;
+}

node_modules/web-vitals/dist/modules/types/fcp.js

@@ -0,0 +1,16 @@
+/*
+ * 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.
+ */
+export {};

node_modules/web-vitals/dist/modules/types/fid.d.ts

@@ -0,0 +1,60 @@
+import type { LoadState, Metric } from './base.js';
+import { FirstInputPolyfillEntry } from './polyfills.js';
+/**
+ * An FID-specific version of the Metric object.
+ */
+export interface FIDMetric extends Metric {
+    name: 'FID';
+    entries: (PerformanceEventTiming | FirstInputPolyfillEntry)[];
+}
+/**
+ * An object containing potentially-helpful debugging information that
+ * can be sent along with the FID value for the current page visit in order
+ * to help identify issues happening to real-users in the field.
+ */
+export interface FIDAttribution {
+    /**
+     * A selector identifying the element that the user interacted with. This
+     * element will be the `target` of the `event` dispatched.
+     */
+    eventTarget: string;
+    /**
+     * The time when the user interacted. This time will match the `timeStamp`
+     * value of the `event` dispatched.
+     */
+    eventTime: number;
+    /**
+     * The `type` of the `event` dispatched from the user interaction.
+     */
+    eventType: string;
+    /**
+     * The `PerformanceEventTiming` entry corresponding to FID (or the
+     * polyfill entry in browsers that don't support Event Timing).
+     */
+    eventEntry: PerformanceEventTiming | FirstInputPolyfillEntry;
+    /**
+     * The loading state of the document at the time when the first interaction
+     * occurred (see `LoadState` for details). If the first interaction occurred
+     * while the document was loading and executing script (e.g. usually in the
+     * `dom-interactive` phase) it can result in long input delays.
+     */
+    loadState: LoadState;
+}
+/**
+ * An FID-specific version of the Metric object with attribution.
+ */
+export interface FIDMetricWithAttribution extends FIDMetric {
+    attribution: FIDAttribution;
+}
+/**
+ * An FID-specific version of the ReportCallback function.
+ */
+export interface FIDReportCallback {
+    (metric: FIDMetric): void;
+}
+/**
+ * An FID-specific version of the ReportCallback function with attribution.
+ */
+export interface FIDReportCallbackWithAttribution {
+    (metric: FIDMetricWithAttribution): void;
+}

node_modules/web-vitals/dist/modules/types/fid.js

@@ -0,0 +1,16 @@
+/*
+ * 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.
+ */
+export {};

node_modules/web-vitals/dist/modules/types/inp.d.ts

@@ -0,0 +1,59 @@
+import type { LoadState, Metric } from './base.js';
+/**
+ * An INP-specific version of the Metric object.
+ */
+export interface INPMetric extends Metric {
+    name: 'INP';
+    entries: PerformanceEventTiming[];
+}
+/**
+ * An object containing potentially-helpful debugging information that
+ * can be sent along with the INP value for the current page visit in order
+ * to help identify issues happening to real-users in the field.
+ */
+export interface INPAttribution {
+    /**
+     * A selector identifying the element that the user interacted with for
+     * the event corresponding to INP. This element will be the `target` of the
+     * `event` dispatched.
+     */
+    eventTarget?: string;
+    /**
+     * The time when the user interacted for the event corresponding to INP.
+     * This time will match the `timeStamp` value of the `event` dispatched.
+     */
+    eventTime?: number;
+    /**
+     * The `type` of the `event` dispatched corresponding to INP.
+     */
+    eventType?: string;
+    /**
+     * The `PerformanceEventTiming` entry corresponding to INP.
+     */
+    eventEntry?: PerformanceEventTiming;
+    /**
+     * The loading state of the document at the time when the event corresponding
+     * to INP occurred (see `LoadState` for details). If the interaction occurred
+     * while the document was loading and executing script (e.g. usually in the
+     * `dom-interactive` phase) it can result in long delays.
+     */
+    loadState?: LoadState;
+}
+/**
+ * An INP-specific version of the Metric object with attribution.
+ */
+export interface INPMetricWithAttribution extends INPMetric {
+    attribution: INPAttribution;
+}
+/**
+ * An INP-specific version of the ReportCallback function.
+ */
+export interface INPReportCallback {
+    (metric: INPMetric): void;
+}
+/**
+ * An INP-specific version of the ReportCallback function with attribution.
+ */
+export interface INPReportCallbackWithAttribution {
+    (metric: INPMetricWithAttribution): void;
+}

node_modules/web-vitals/dist/modules/types/inp.js

@@ -0,0 +1,16 @@
+/*
+ * 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.
+ */
+export {};

node_modules/web-vitals/dist/modules/types/lcp.d.ts

@@ -0,0 +1,82 @@
+import type { Metric } from './base.js';
+import { NavigationTimingPolyfillEntry } from './polyfills.js';
+/**
+ * An LCP-specific version of the Metric object.
+ */
+export interface LCPMetric extends Metric {
+    name: 'LCP';
+    entries: LargestContentfulPaint[];
+}
+/**
+ * An object containing potentially-helpful debugging information that
+ * can be sent along with the LCP value for the current page visit in order
+ * to help identify issues happening to real-users in the field.
+ */
+export interface LCPAttribution {
+    /**
+     * The element corresponding to the largest contentful paint for the page.
+     */
+    element?: string;
+    /**
+     * The URL (if applicable) of the LCP image resource. If the LCP element
+     * is a text node, this value will not be set.
+     */
+    url?: string;
+    /**
+     * The time from when the user initiates loading the page until when the
+     * browser receives the first byte of the response (a.k.a. TTFB). See
+     * [Optimize LCP](https://web.dev/articles/optimize-lcp) for details.
+     */
+    timeToFirstByte: number;
+    /**
+     * The delta between TTFB and when the browser starts loading the LCP
+     * resource (if there is one, otherwise 0). See [Optimize
+     * LCP](https://web.dev/articles/optimize-lcp) for details.
+     */
+    resourceLoadDelay: number;
+    /**
+     * The total time it takes to load the LCP resource itself (if there is one,
+     * otherwise 0). See [Optimize LCP](https://web.dev/articles/optimize-lcp) for
+     * details.
+     */
+    resourceLoadTime: number;
+    /**
+     * The delta between when the LCP resource finishes loading until the LCP
+     * element is fully rendered. See [Optimize
+     * LCP](https://web.dev/articles/optimize-lcp) for details.
+     */
+    elementRenderDelay: number;
+    /**
+     * The `navigation` entry of the current page, which is useful for diagnosing
+     * general page load issues. This can be used to access `serverTiming` for example:
+     * navigationEntry?.serverTiming
+     */
+    navigationEntry?: PerformanceNavigationTiming | NavigationTimingPolyfillEntry;
+    /**
+     * The `resource` entry for the LCP resource (if applicable), which is useful
+     * for diagnosing resource load issues.
+     */
+    lcpResourceEntry?: PerformanceResourceTiming;
+    /**
+     * The `LargestContentfulPaint` entry corresponding to LCP.
+     */
+    lcpEntry?: LargestContentfulPaint;
+}
+/**
+ * An LCP-specific version of the Metric object with attribution.
+ */
+export interface LCPMetricWithAttribution extends LCPMetric {
+    attribution: LCPAttribution;
+}
+/**
+ * An LCP-specific version of the ReportCallback function.
+ */
+export interface LCPReportCallback {
+    (metric: LCPMetric): void;
+}
+/**
+ * An LCP-specific version of the ReportCallback function with attribution.
+ */
+export interface LCPReportCallbackWithAttribution {
+    (metric: LCPMetricWithAttribution): void;
+}

node_modules/web-vitals/dist/modules/types/lcp.js

@@ -0,0 +1,16 @@
+/*
+ * 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.
+ */
+export {};

node_modules/web-vitals/dist/modules/types/polyfills.d.ts

@@ -0,0 +1,7 @@
+export type FirstInputPolyfillEntry = Omit<PerformanceEventTiming, 'processingEnd'>;
+export interface FirstInputPolyfillCallback {
+    (entry: FirstInputPolyfillEntry): void;
+}
+export type NavigationTimingPolyfillEntry = Omit<PerformanceNavigationTiming, 'initiatorType' | 'nextHopProtocol' | 'redirectCount' | 'transferSize' | 'encodedBodySize' | 'decodedBodySize' | 'type'> & {
+    type: PerformanceNavigationTiming['type'];
+};

node_modules/web-vitals/dist/modules/types/polyfills.js

@@ -0,0 +1,16 @@
+/*
+ * 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.
+ */
+export {};

node_modules/web-vitals/dist/modules/types/ttfb.d.ts

@@ -0,0 +1,60 @@
+import type { Metric } from './base.js';
+import { NavigationTimingPolyfillEntry } from './polyfills.js';
+/**
+ * A TTFB-specific version of the Metric object.
+ */
+export interface TTFBMetric extends Metric {
+    name: 'TTFB';
+    entries: PerformanceNavigationTiming[] | NavigationTimingPolyfillEntry[];
+}
+/**
+ * An object containing potentially-helpful debugging information that
+ * can be sent along with the TTFB value for the current page visit in order
+ * to help identify issues happening to real-users in the field.
+ */
+export interface TTFBAttribution {
+    /**
+     * The total time from when the user initiates loading the page to when the
+     * DNS lookup begins. This includes redirects, service worker startup, and
+     * HTTP cache lookup times.
+     */
+    waitingTime: number;
+    /**
+     * The total time to resolve the DNS for the current request.
+     */
+    dnsTime: number;
+    /**
+     * The total time to create the connection to the requested domain.
+     */
+    connectionTime: number;
+    /**
+     * The time time from when the request was sent until the first byte of the
+     * response was received. This includes network time as well as server
+     * processing time.
+     */
+    requestTime: number;
+    /**
+     * The `navigation` entry of the current page, which is useful for diagnosing
+     * general page load issues. This can be used to access `serverTiming` for example:
+     * navigationEntry?.serverTiming
+     */
+    navigationEntry?: PerformanceNavigationTiming | NavigationTimingPolyfillEntry;
+}
+/**
+ * A TTFB-specific version of the Metric object with attribution.
+ */
+export interface TTFBMetricWithAttribution extends TTFBMetric {
+    attribution: TTFBAttribution;
+}
+/**
+ * A TTFB-specific version of the ReportCallback function.
+ */
+export interface TTFBReportCallback {
+    (metric: TTFBMetric): void;
+}
+/**
+ * A TTFB-specific version of the ReportCallback function with attribution.
+ */
+export interface TTFBReportCallbackWithAttribution {
+    (metric: TTFBMetricWithAttribution): void;
+}

node_modules/web-vitals/dist/modules/types/ttfb.js

@@ -0,0 +1,16 @@
+/*
+ * 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.
+ */
+export {};