Marc Mintel
5397309103
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59 lines
2.4 KiB
Plaintext
59 lines
2.4 KiB
Plaintext
/* eslint-disable jsdoc/require-jsdoc */
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/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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class LayoutShiftManager {constructor() { LayoutShiftManager.prototype.__init.call(this);LayoutShiftManager.prototype.__init2.call(this); }
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// eslint-disable-next-line @typescript-eslint/explicit-member-accessibility
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// eslint-disable-next-line @sentry-internal/sdk/no-class-field-initializers, @typescript-eslint/explicit-member-accessibility
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__init() {this._sessionValue = 0;}
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// eslint-disable-next-line @sentry-internal/sdk/no-class-field-initializers, @typescript-eslint/explicit-member-accessibility
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__init2() {this._sessionEntries = [];}
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// eslint-disable-next-line @typescript-eslint/explicit-member-accessibility
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_processEntry(entry) {
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// Only count layout shifts without recent user input.
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if (entry.hadRecentInput) return;
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const firstSessionEntry = this._sessionEntries[0];
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// This previously used `this._sessionEntries.at(-1)` but that is ES2022. We support ES2021 and earlier.
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const lastSessionEntry = this._sessionEntries[this._sessionEntries.length - 1];
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// If the entry occurred less than 1 second after the previous entry
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// and less than 5 seconds after the first entry in the session,
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// include the entry in the current session. Otherwise, start a new
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// session.
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if (
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this._sessionValue &&
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firstSessionEntry &&
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lastSessionEntry &&
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entry.startTime - lastSessionEntry.startTime < 1000 &&
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entry.startTime - firstSessionEntry.startTime < 5000
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) {
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this._sessionValue += entry.value;
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this._sessionEntries.push(entry);
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} else {
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this._sessionValue = entry.value;
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this._sessionEntries = [entry];
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}
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this._onAfterProcessingUnexpectedShift?.(entry);
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}
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}
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export { LayoutShiftManager };
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//# sourceMappingURL=LayoutShiftManager.js.map
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