41 lines
798 B
JavaScript
41 lines
798 B
JavaScript
import worker_script from "./timeoutScript";
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const getTimerWorker = () => {
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const worker = new Worker(worker_script);
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let messageHandler = null;
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const workerHandler = (e) => {
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if (messageHandler === null) return;
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messageHandler(e);
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}
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worker.addEventListener("message", workerHandler);
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return {
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start: (duration) => {
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if (!worker) return;
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worker.postMessage({
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action: "start",
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duration,
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});
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},
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stop: () => {
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worker.postMessage({
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action: "stop",
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});
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},
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onMessage: (handler) => {
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messageHandler = handler;
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},
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terminate: () => {
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worker.removeEventListener("message", workerHandler);
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worker.terminate();
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messageHandler = null;
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}
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}
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}
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export default getTimerWorker;
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