Cohee
4d1619ba47
* eslint: enable brace-style check * Fix jsdoc and color * fix: correct CSS color syntax in CreateZenSliders function
44 lines
887 B
JavaScript
44 lines
887 B
JavaScript
/**
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* A simple mutex class to prevent concurrent updates.
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*/
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export class SimpleMutex {
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/**
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* @type {boolean}
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*/
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isBusy = false;
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/**
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* @type {Function}
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*/
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callback = () => {};
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/**
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* Constructs a SimpleMutex.
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* @param {Function} callback Callback function.
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*/
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constructor(callback) {
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this.isBusy = false;
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this.callback = callback;
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}
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/**
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* Updates the mutex by calling the callback if not busy.
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* @param {...any} args Callback args
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* @returns {Promise<void>}
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*/
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async update(...args) {
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// Don't touch me I'm busy...
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if (this.isBusy) {
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return;
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}
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// I'm free. Let's update!
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try {
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this.isBusy = true;
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await this.callback(...args);
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} finally {
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this.isBusy = false;
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}
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}
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}
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