You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
5 years ago
|
'use strict';
|
||
|
|
|
||
|
|
/*<replacement>*/
|
||
|
|
|
||
|
|
var pna = require('process-nextick-args');
|
||
|
|
/*</replacement>*/
|
||
|
|
|
||
|
|
// undocumented cb() API, needed for core, not for public API
|
||
|
|
function destroy(err, cb) {
|
||
|
|
var _this = this;
|
||
|
|
|
||
|
|
var readableDestroyed = this._readableState && this._readableState.destroyed;
|
||
|
|
var writableDestroyed = this._writableState && this._writableState.destroyed;
|
||
|
|
|
||
|
|
if (readableDestroyed || writableDestroyed) {
|
||
|
|
if (cb) {
|
||
|
|
cb(err);
|
||
|
|
} else if (err && (!this._writableState || !this._writableState.errorEmitted)) {
|
||
|
|
pna.nextTick(emitErrorNT, this, err);
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
// we set destroyed to true before firing error callbacks in order
|
||
|
|
// to make it re-entrance safe in case destroy() is called within callbacks
|
||
|
|
|
||
|
|
if (this._readableState) {
|
||
|
|
this._readableState.destroyed = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// if this is a duplex stream mark the writable part as destroyed as well
|
||
|
|
if (this._writableState) {
|
||
|
|
this._writableState.destroyed = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
this._destroy(err || null, function (err) {
|
||
|
|
if (!cb && err) {
|
||
|
|
pna.nextTick(emitErrorNT, _this, err);
|
||
|
|
if (_this._writableState) {
|
||
|
|
_this._writableState.errorEmitted = true;
|
||
|
|
}
|
||
|
|
} else if (cb) {
|
||
|
|
cb(err);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
function undestroy() {
|
||
|
|
if (this._readableState) {
|
||
|
|
this._readableState.destroyed = false;
|
||
|
|
this._readableState.reading = false;
|
||
|
|
this._readableState.ended = false;
|
||
|
|
this._readableState.endEmitted = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this._writableState) {
|
||
|
|
this._writableState.destroyed = false;
|
||
|
|
this._writableState.ended = false;
|
||
|
|
this._writableState.ending = false;
|
||
|
|
this._writableState.finished = false;
|
||
|
|
this._writableState.errorEmitted = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function emitErrorNT(self, err) {
|
||
|
|
self.emit('error', err);
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
destroy: destroy,
|
||
|
|
undestroy: undestroy
|
||
|
|
};
|