mirror of
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59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
/* Copyright 2026 Mozilla Foundation
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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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* http://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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// Istanbul coverage objects use s (statements), b (branches), and f (functions)
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// as shorthand keys for the hit-count maps.
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function mergeWorkerCoverageIntoWindow(coverage) {
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if (!coverage || Object.keys(coverage).length === 0) {
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return;
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}
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window.__coverage__ ??= {};
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for (const [key, fileCoverage] of Object.entries(coverage)) {
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const existing = window.__coverage__[key];
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if (!existing) {
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window.__coverage__[key] = fileCoverage;
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continue;
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}
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for (const id of Object.keys(fileCoverage.s)) {
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existing.s[id] = (existing.s[id] ?? 0) + fileCoverage.s[id];
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}
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for (const id of Object.keys(fileCoverage.b)) {
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existing.b[id] = fileCoverage.b[id].map(
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(c, i) => (existing.b[id]?.[i] ?? 0) + c
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);
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}
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for (const id of Object.keys(fileCoverage.f)) {
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existing.f[id] = (existing.f[id] ?? 0) + fileCoverage.f[id];
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}
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}
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}
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async function fetchAndMergeWorkerCoverage(pdfWorker) {
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if (!pdfWorker) {
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return;
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}
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try {
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const coverage = await pdfWorker.messageHandler.sendWithPromise(
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"GetWorkerCoverage",
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null
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);
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mergeWorkerCoverageIntoWindow(coverage);
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} catch (e) {
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console.warn(`Failed to collect worker coverage: ${e}`);
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}
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}
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export { fetchAndMergeWorkerCoverage, mergeWorkerCoverageIntoWindow };
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