From 55a4f1fc869e41aca748c63d3018f0448b1606e0 Mon Sep 17 00:00:00 2001 From: pack Date: Sun, 9 Aug 2026 10:37:07 +0000 Subject: first commit --- .../lib/internal/streams/destroy.js | 96 ++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 node_modules/readable-stream/lib/internal/streams/destroy.js (limited to 'node_modules/readable-stream/lib/internal/streams/destroy.js') diff --git a/node_modules/readable-stream/lib/internal/streams/destroy.js b/node_modules/readable-stream/lib/internal/streams/destroy.js new file mode 100644 index 0000000..31a17c4 --- /dev/null +++ b/node_modules/readable-stream/lib/internal/streams/destroy.js @@ -0,0 +1,96 @@ +'use strict'; + +// 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) { + if (!this._writableState) { + process.nextTick(emitErrorNT, this, err); + } else if (!this._writableState.errorEmitted) { + this._writableState.errorEmitted = true; + process.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) { + if (!_this._writableState) { + process.nextTick(emitErrorAndCloseNT, _this, err); + } else if (!_this._writableState.errorEmitted) { + _this._writableState.errorEmitted = true; + process.nextTick(emitErrorAndCloseNT, _this, err); + } else { + process.nextTick(emitCloseNT, _this); + } + } else if (cb) { + process.nextTick(emitCloseNT, _this); + cb(err); + } else { + process.nextTick(emitCloseNT, _this); + } + }); + return this; +} +function emitErrorAndCloseNT(self, err) { + emitErrorNT(self, err); + emitCloseNT(self); +} +function emitCloseNT(self) { + if (self._writableState && !self._writableState.emitClose) return; + if (self._readableState && !self._readableState.emitClose) return; + self.emit('close'); +} +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.finalCalled = false; + this._writableState.prefinished = false; + this._writableState.finished = false; + this._writableState.errorEmitted = false; + } +} +function emitErrorNT(self, err) { + self.emit('error', err); +} +function errorOrDestroy(stream, err) { + // We have tests that rely on errors being emitted + // in the same tick, so changing this is semver major. + // For now when you opt-in to autoDestroy we allow + // the error to be emitted nextTick. In a future + // semver major update we should change the default to this. + + var rState = stream._readableState; + var wState = stream._writableState; + if (rState && rState.autoDestroy || wState && wState.autoDestroy) stream.destroy(err);else stream.emit('error', err); +} +module.exports = { + destroy: destroy, + undestroy: undestroy, + errorOrDestroy: errorOrDestroy +}; \ No newline at end of file -- cgit v1.2.3