37 lines
991 B
JavaScript
37 lines
991 B
JavaScript
'use strict'
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const moduleList = require('@electron/internal/common/api/module-list')
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exports.handleESModule = (loader) => () => {
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const value = loader()
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if (value.__esModule && value.default) return value.default
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return value
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}
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exports.memoizedGetter = (getter) => {
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/*
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* It's ok to leak this value as it would be leaked by the global
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* node module cache anyway at `Module._cache`. This memoization
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* is dramatically faster than relying on nodes module cache however
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*/
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let memoizedValue = null
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return () => {
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if (memoizedValue === null) {
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memoizedValue = getter()
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}
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return memoizedValue
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}
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}
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// Attaches properties to |targetExports|.
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exports.defineProperties = function (targetExports) {
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const descriptors = {}
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for (const module of moduleList) {
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descriptors[module.name] = {
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enumerable: !module.private,
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get: exports.handleESModule(module.loader)
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}
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}
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return Object.defineProperties(targetExports, descriptors)
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}
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