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35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
'use strict';var memoPromise = {};var hasRequiredMemoPromise;
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function requireMemoPromise () {
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if (hasRequiredMemoPromise) return memoPromise;
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hasRequiredMemoPromise = 1;
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(function (exports) {
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "createMemoizedPromise", {
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enumerable: true,
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get: function() {
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return createMemoizedPromise;
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}
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});
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const notError = Symbol('notError');
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function createMemoizedPromise(fn, /** whether to create promise immediately or only create after first access */ preload = true) {
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let error = notError;
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let promise = preload ? fn().catch((e)=>{
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// Here we record the error so that we can throw it later when the function is called
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error = e;
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// Here we make sure the Promise still returns the never type
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throw e;
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}) : null;
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return ()=>{
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if (error !== notError) {
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return Promise.reject(error);
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}
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promise ??= fn();
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return promise;
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};
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}
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} (memoPromise));
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return memoPromise;
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}exports.r=requireMemoPromise; |