5afb7dc715
* refactor: load electron builtin modules with process._linkedBinding NODE_BUILTING_MODULE_CONTEXT_AWARE and process.binding are removed in https://github.com/nodejs/node/pull/25829. This changes uses the alternative available without any functionality change. * chore: roll node
65 lines
2.2 KiB
TypeScript
65 lines
2.2 KiB
TypeScript
import * as timers from 'timers'
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import * as util from 'util'
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import { atomBindingSetup } from '@electron/internal/common/atom-binding-setup'
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process.atomBinding = atomBindingSetup(process._linkedBinding, process.type)
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type AnyFn = (...args: any[]) => any
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// setImmediate and process.nextTick makes use of uv_check and uv_prepare to
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// run the callbacks, however since we only run uv loop on requests, the
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// callbacks wouldn't be called until something else activated the uv loop,
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// which would delay the callbacks for arbitrary long time. So we should
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// initiatively activate the uv loop once setImmediate and process.nextTick is
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// called.
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const wrapWithActivateUvLoop = function <T extends AnyFn> (func: T): T {
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return wrap(func, function (func) {
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return function (this: any, ...args: any[]) {
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process.activateUvLoop()
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return func.apply(this, args)
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}
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}) as T
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}
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/**
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* Casts to any below for func are due to Typescript not supporting symbols
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* in index signatures
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*
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* Refs: https://github.com/Microsoft/TypeScript/issues/1863
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*/
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function wrap <T extends AnyFn> (func: T, wrapper: (fn: AnyFn) => T) {
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const wrapped = wrapper(func)
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if ((func as any)[util.promisify.custom]) {
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(wrapped as any)[util.promisify.custom] = wrapper((func as any)[util.promisify.custom])
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}
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return wrapped
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}
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process.nextTick = wrapWithActivateUvLoop(process.nextTick)
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global.setImmediate = wrapWithActivateUvLoop(timers.setImmediate)
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global.clearImmediate = timers.clearImmediate
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if (process.type === 'browser') {
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// setTimeout needs to update the polling timeout of the event loop, when
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// called under Chromium's event loop the node's event loop won't get a chance
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// to update the timeout, so we have to force the node's event loop to
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// recalculate the timeout in browser process.
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global.setTimeout = wrapWithActivateUvLoop(timers.setTimeout)
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global.setInterval = wrapWithActivateUvLoop(timers.setInterval)
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}
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if (process.platform === 'win32') {
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// Always returns EOF for stdin stream.
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const { Readable } = require('stream')
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const stdin = new Readable()
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stdin.push(null)
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Object.defineProperty(process, 'stdin', {
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configurable: false,
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enumerable: true,
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get () {
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return stdin
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}
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})
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}
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