main
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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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-
Property mode
set to
100644
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File size:
1.3 KB
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| [d565449] | 1 | let counter = 0;
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| 2 | const buckets = {};
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| 3 | const setHarmonicInterval = (fn, ms) => {
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| 4 | const id = counter++;
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| 5 | if (buckets[ms]) {
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| 6 | buckets[ms].listeners[id] = fn;
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| 7 | }
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| 8 | else {
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| 9 | const timer = setInterval(() => {
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| 10 | const { listeners } = buckets[ms];
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| 11 | let didThrow = false;
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| 12 | let lastError;
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| 13 | for (const listener of Object.values(listeners)) {
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| 14 | try {
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| 15 | listener();
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| 16 | }
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| 17 | catch (error) {
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| 18 | didThrow = true;
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| 19 | lastError = error;
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| 20 | }
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| 21 | }
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| 22 | if (didThrow)
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| 23 | throw lastError;
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| 24 | }, ms);
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| 25 | buckets[ms] = {
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| 26 | ms,
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| 27 | timer,
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| 28 | listeners: {
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| 29 | [id]: fn,
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| 30 | },
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| 31 | };
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| 32 | }
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| 33 | return {
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| 34 | bucket: buckets[ms],
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| 35 | id,
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| 36 | };
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| 37 | };
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| 38 | const clearHarmonicInterval = ({ bucket, id }) => {
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| 39 | delete bucket.listeners[id];
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| 40 | let hasListeners = false;
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| 41 | for (const listener in bucket.listeners) {
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| 42 | hasListeners = true;
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| 43 | break;
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| 44 | }
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| 45 | if (!hasListeners) {
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| 46 | clearInterval(bucket.timer);
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| 47 | delete buckets[bucket.ms];
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| 48 | }
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| 49 | };
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| 50 |
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| 51 | export { clearHarmonicInterval, setHarmonicInterval };
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