forked from waja/action-debian-package
49 lines
1 KiB
JavaScript
49 lines
1 KiB
JavaScript
'use strict'
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/* istanbul ignore file: only for Node 12 */
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const { kConnected, kSize } = require('../core/symbols')
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class CompatWeakRef {
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constructor (value) {
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this.value = value
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}
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deref () {
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return this.value[kConnected] === 0 && this.value[kSize] === 0
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? undefined
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: this.value
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}
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}
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class CompatFinalizer {
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constructor (finalizer) {
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this.finalizer = finalizer
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}
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register (dispatcher, key) {
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if (dispatcher.on) {
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dispatcher.on('disconnect', () => {
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if (dispatcher[kConnected] === 0 && dispatcher[kSize] === 0) {
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this.finalizer(key)
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}
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})
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}
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}
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}
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module.exports = function () {
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// FIXME: remove workaround when the Node bug is fixed
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// https://github.com/nodejs/node/issues/49344#issuecomment-1741776308
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if (process.env.NODE_V8_COVERAGE) {
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return {
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WeakRef: CompatWeakRef,
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FinalizationRegistry: CompatFinalizer
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}
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}
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return {
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WeakRef: global.WeakRef || CompatWeakRef,
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FinalizationRegistry: global.FinalizationRegistry || CompatFinalizer
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}
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}
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