NET-Web-API-w-Angular/my-app/node_modules/undici/lib/api/abort-signal.js

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2024-02-09 00:38:41 +00:00
const { addAbortListener } = require('../core/util')
const { RequestAbortedError } = require('../core/errors')
const kListener = Symbol('kListener')
const kSignal = Symbol('kSignal')
function abort (self) {
if (self.abort) {
self.abort()
} else {
self.onError(new RequestAbortedError())
}
}
function addSignal (self, signal) {
self[kSignal] = null
self[kListener] = null
if (!signal) {
return
}
if (signal.aborted) {
abort(self)
return
}
self[kSignal] = signal
self[kListener] = () => {
abort(self)
}
addAbortListener(self[kSignal], self[kListener])
}
function removeSignal (self) {
if (!self[kSignal]) {
return
}
if ('removeEventListener' in self[kSignal]) {
self[kSignal].removeEventListener('abort', self[kListener])
} else {
self[kSignal].removeListener('abort', self[kListener])
}
self[kSignal] = null
self[kListener] = null
}
module.exports = {
addSignal,
removeSignal
}