mirror of https://github.com/actions/setup-python
48 lines
1.5 KiB
JavaScript
48 lines
1.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var cacheProp = Symbol.for('[memoize]');
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function Memoize(keyBuilder) {
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return function (_, propertyKey, descriptor) {
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if (descriptor.value != null) {
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descriptor.value = memoize(propertyKey, descriptor.value, keyBuilder || (function (v) { return v; }));
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}
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else if (descriptor.get != null) {
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descriptor.get = memoize(propertyKey, descriptor.get, keyBuilder || (function () { return propertyKey; }));
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}
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};
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}
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exports.Memoize = Memoize;
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function ensureCache(target, reset) {
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if (reset === void 0) { reset = false; }
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if (reset || !target[cacheProp]) {
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Object.defineProperty(target, cacheProp, {
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value: Object.create(null),
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configurable: true,
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});
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}
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return target[cacheProp];
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}
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function ensureChildCache(target, key, reset) {
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if (reset === void 0) { reset = false; }
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var dict = ensureCache(target);
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if (reset || !dict[key]) {
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dict[key] = new Map();
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}
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return dict[key];
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}
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function memoize(namespace, func, keyBuilder) {
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return function () {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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var cache = ensureChildCache(this, namespace);
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var key = keyBuilder.apply(this, args);
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if (cache.has(key))
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return cache.get(key);
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var res = func.apply(this, args);
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cache.set(key, res);
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return res;
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};
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}
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