23 lines
635 B
JavaScript
23 lines
635 B
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.codeMutex = void 0;
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const tslib_1 = require("tslib");
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/**
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* Executes only one instance of give code at a time. If other calls come in in
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* parallel, they get resolved to the result of the ongoing execution.
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*/
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const codeMutex = () => {
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let result;
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return (code) => tslib_1.__awaiter(void 0, void 0, void 0, function* () {
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if (result)
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return result;
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try {
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return yield (result = code());
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}
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finally {
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result = undefined;
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}
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});
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};
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exports.codeMutex = codeMutex;
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