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action-ansible-playbook/node_modules/undici/lib/dispatcher-base.js

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2024-01-17 09:08:10 +00:00
'use strict'
const Dispatcher = require('./dispatcher')
const {
ClientDestroyedError,
ClientClosedError,
InvalidArgumentError
} = require('./core/errors')
const { kDestroy, kClose, kDispatch, kInterceptors } = require('./core/symbols')
const kDestroyed = Symbol('destroyed')
const kClosed = Symbol('closed')
const kOnDestroyed = Symbol('onDestroyed')
const kOnClosed = Symbol('onClosed')
const kInterceptedDispatch = Symbol('Intercepted Dispatch')
class DispatcherBase extends Dispatcher {
constructor () {
super()
this[kDestroyed] = false
this[kOnDestroyed] = null
this[kClosed] = false
this[kOnClosed] = []
}
get destroyed () {
return this[kDestroyed]
}
get closed () {
return this[kClosed]
}
get interceptors () {
return this[kInterceptors]
}
set interceptors (newInterceptors) {
if (newInterceptors) {
for (let i = newInterceptors.length - 1; i >= 0; i--) {
const interceptor = this[kInterceptors][i]
if (typeof interceptor !== 'function') {
throw new InvalidArgumentError('interceptor must be an function')
}
}
}
this[kInterceptors] = newInterceptors
}
close (callback) {
if (callback === undefined) {
return new Promise((resolve, reject) => {
this.close((err, data) => {
return err ? reject(err) : resolve(data)
})
})
}
if (typeof callback !== 'function') {
throw new InvalidArgumentError('invalid callback')
}
if (this[kDestroyed]) {
queueMicrotask(() => callback(new ClientDestroyedError(), null))
return
}
if (this[kClosed]) {
if (this[kOnClosed]) {
this[kOnClosed].push(callback)
} else {
queueMicrotask(() => callback(null, null))
}
return
}
this[kClosed] = true
this[kOnClosed].push(callback)
const onClosed = () => {
const callbacks = this[kOnClosed]
this[kOnClosed] = null
for (let i = 0; i < callbacks.length; i++) {
callbacks[i](null, null)
}
}
// Should not error.
this[kClose]()
.then(() => this.destroy())
.then(() => {
queueMicrotask(onClosed)
})
}
destroy (err, callback) {
if (typeof err === 'function') {
callback = err
err = null
}
if (callback === undefined) {
return new Promise((resolve, reject) => {
this.destroy(err, (err, data) => {
return err ? /* istanbul ignore next: should never error */ reject(err) : resolve(data)
})
})
}
if (typeof callback !== 'function') {
throw new InvalidArgumentError('invalid callback')
}
if (this[kDestroyed]) {
if (this[kOnDestroyed]) {
this[kOnDestroyed].push(callback)
} else {
queueMicrotask(() => callback(null, null))
}
return
}
if (!err) {
err = new ClientDestroyedError()
}
this[kDestroyed] = true
this[kOnDestroyed] = this[kOnDestroyed] || []
this[kOnDestroyed].push(callback)
const onDestroyed = () => {
const callbacks = this[kOnDestroyed]
this[kOnDestroyed] = null
for (let i = 0; i < callbacks.length; i++) {
callbacks[i](null, null)
}
}
// Should not error.
this[kDestroy](err).then(() => {
queueMicrotask(onDestroyed)
})
}
[kInterceptedDispatch] (opts, handler) {
if (!this[kInterceptors] || this[kInterceptors].length === 0) {
this[kInterceptedDispatch] = this[kDispatch]
return this[kDispatch](opts, handler)
}
let dispatch = this[kDispatch].bind(this)
for (let i = this[kInterceptors].length - 1; i >= 0; i--) {
dispatch = this[kInterceptors][i](dispatch)
}
this[kInterceptedDispatch] = dispatch
return dispatch(opts, handler)
}
dispatch (opts, handler) {
if (!handler || typeof handler !== 'object') {
throw new InvalidArgumentError('handler must be an object')
}
try {
if (!opts || typeof opts !== 'object') {
throw new InvalidArgumentError('opts must be an object.')
}
if (this[kDestroyed] || this[kOnDestroyed]) {
throw new ClientDestroyedError()
}
if (this[kClosed]) {
throw new ClientClosedError()
}
return this[kInterceptedDispatch](opts, handler)
} catch (err) {
if (typeof handler.onError !== 'function') {
throw new InvalidArgumentError('invalid onError method')
}
handler.onError(err)
return false
}
}
}
module.exports = DispatcherBase