AlkantarClanX12
Current Path : /opt/alt/alt-nodejs11/root/lib/node_modules/npm/node_modules.bundled/duplexer3/ |
Current File : //opt/alt/alt-nodejs11/root/lib/node_modules/npm/node_modules.bundled/duplexer3/index.js |
"use strict"; var stream = require("stream"); function DuplexWrapper(options, writable, readable) { if (typeof readable === "undefined") { readable = writable; writable = options; options = null; } stream.Duplex.call(this, options); if (typeof readable.read !== "function") { readable = (new stream.Readable(options)).wrap(readable); } this._writable = writable; this._readable = readable; this._waiting = false; var self = this; writable.once("finish", function() { self.end(); }); this.once("finish", function() { writable.end(); }); readable.on("readable", function() { if (self._waiting) { self._waiting = false; self._read(); } }); readable.once("end", function() { self.push(null); }); if (!options || typeof options.bubbleErrors === "undefined" || options.bubbleErrors) { writable.on("error", function(err) { self.emit("error", err); }); readable.on("error", function(err) { self.emit("error", err); }); } } DuplexWrapper.prototype = Object.create(stream.Duplex.prototype, {constructor: {value: DuplexWrapper}}); DuplexWrapper.prototype._write = function _write(input, encoding, done) { this._writable.write(input, encoding, done); }; DuplexWrapper.prototype._read = function _read() { var buf; var reads = 0; while ((buf = this._readable.read()) !== null) { this.push(buf); reads++; } if (reads === 0) { this._waiting = true; } }; module.exports = function duplex2(options, writable, readable) { return new DuplexWrapper(options, writable, readable); }; module.exports.DuplexWrapper = DuplexWrapper;