44 lines
965 B
JavaScript
44 lines
965 B
JavaScript
'use strict';
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// eslint-disable-next-line no-var
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var editorWorker = (() => {
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let worker;
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return new Proxy({}, {
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get: (target, prop) =>
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(...args) => {
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if (!worker) {
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worker = createWorker();
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}
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return worker.invoke(prop, args);
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}
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});
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function createWorker() {
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let id = 0;
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const pending = new Map();
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const worker = new Worker('/edit/editor-worker-body.js');
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worker.onmessage = e => {
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const message = e.data;
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if (message.error) {
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pending.get(message.id).reject(message.data);
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} else {
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pending.get(message.id).resolve(message.data);
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}
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pending.delete(message.id);
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};
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return {invoke};
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function invoke(action, args) {
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return new Promise((resolve, reject) => {
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pending.set(id, {resolve, reject});
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worker.postMessage({
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id,
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action,
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args
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});
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id++;
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});
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}
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}
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})();
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