8000 better ServiceWorker logic · pyscript/polyscript@2e93d2a · GitHub
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better ServiceWorker logic
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-5
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‎docs/service-worker.js

Lines changed: 1 addition & 1 deletion
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‎esm/service-worker.js

Lines changed: 12 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -2,23 +2,31 @@ import sabayon from 'https://cdn.jsdelivr.net/npm/sabayon/dist/polyfill.js';
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// ignore browsers that already support SharedArrayBuffer
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if (!globalThis.crossOriginIsolated) {
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const { isArray } = Array;
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const isOptions = args => args.length && typeof args[0] === 'object' && args[0] !== null;
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// early patch Blob to inject sabayon polyfill for service-worker
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globalThis.Blob = class extends Blob {
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constructor(blobParts, options) {
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if (options.type === 'text/javascript' && typeof blobParts.at(0) === 'string') {
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constructor(blobParts, ...args) {
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if (
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isOptions(args) &&
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args[0].type === 'text/javascript' &&
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isArray(blobParts) &&
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typeof blobParts.at(0) === 'string'
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) {
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blobParts[0] = blobParts[0].replace(
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/^\/\*@\*\//,
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'import "https://cdn.jsdelivr.net/npm/sabayon/dist/polyfill.js";'
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);
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}
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super(blobParts, options);
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super(blobParts, ...args);
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}
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};
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// early patch Worker to bootstrap sabayon for service-worker
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globalThis.Worker = class extends Worker {
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constructor(url, ...args) {
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if (args.length) {
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if (isOptions(args)) {
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const sw = args[0].serviceWorker || args[0].service_worker;
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if (sw) sabayon(sw);
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}

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