Marc Mintel
5397309103
Some checks failed
Build & Deploy / 🔍 Prepare (push) Successful in 20s
Build & Deploy / 🧪 QA (push) Failing after 34s
Build & Deploy / 🏗️ Build (push) Has started running
Build & Deploy / 🚀 Deploy (push) Has been cancelled
Build & Deploy / 🧪 Smoke Test (push) Has been cancelled
Build & Deploy / ⚡ Lighthouse (push) Has been cancelled
Build & Deploy / 🔔 Notify (push) Has been cancelled
63 lines
1.9 KiB
Plaintext
63 lines
1.9 KiB
Plaintext
Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
|
|
|
|
const observe = require('../observe.js');
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
|
|
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.
|
|
*/
|
|
const getInteractionCount = () => {
|
|
return po ? interactionCountEstimate : performance.interactionCount || 0;
|
|
};
|
|
|
|
/**
|
|
* Feature detects native support or initializes the polyfill if needed.
|
|
*/
|
|
const initInteractionCountPolyfill = () => {
|
|
if ('interactionCount' in performance || po) return;
|
|
|
|
po = observe.observe('event', updateEstimate, {
|
|
type: 'event',
|
|
buffered: true,
|
|
durationThreshold: 0,
|
|
} );
|
|
};
|
|
|
|
exports.getInteractionCount = getInteractionCount;
|
|
exports.initInteractionCountPolyfill = initInteractionCountPolyfill;
|
|
//# sourceMappingURL=interactionCountPolyfill.js.map
|