PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` var Stream = require('stream').Stream module.exports = legacy function legacy (fs) { return { ReadStream: ReadStream, WriteStream: WriteStream } function ReadStream (path, options) { if (!(this instanceof ReadStream)) return new ReadStream(path, options); Stream.call(this); var self = this; this.path = path; this.fd = null; this.readable = true; this.paused = false; this.flags = 'r'; this.mode = 438; /*=0666*/ this.bufferSize = 64 * 1024; options = options || {}; // Mixin options into this var keys = Object.keys(options); for (var index = 0, length = keys.length; index < length; index++) { var key = keys[index]; this[key] = options[key]; } if (this.encoding) this.setEncoding(this.encoding); if (this.start !== undefined) { if ('number' !== typeof this.start) { throw TypeError('start must be a Number'); } if (this.end === undefined) { this.end = Infinity; } else if ('number' !== typeof this.end) { throw TypeError('end must be a Number'); } if (this.start > this.end) { throw new Error('start must be <= end'); } this.pos = this.start; } if (this.fd !== null) { process.nextTick(function() { self._read(); }); return; } fs.open(this.path, this.flags, this.mode, function (err, fd) { if (err) { self.emit('error', err); self.readable = false; return; } self.fd = fd; self.emit('open', fd); self._read(); }) } function WriteStream (path, options) { if (!(this instanceof WriteStream)) return new WriteStream(path, options); Stream.call(this); this.path = path; this.fd = null; this.writable = true; this.flags = 'w'; this.encoding = 'binary'; this.mode = 438; /*=0666*/ this.bytesWritten = 0; options = options || {}; // Mixin options into this var keys = Object.keys(options); for (var index = 0, length = keys.length; index < length; index++) { var key = keys[index]; this[key] = options[key]; } if (this.start !== undefined) { if ('number' !== typeof this.start) { throw TypeError('start must be a Number'); } if (this.start < 0) { throw new Error('start must be >= zero'); } this.pos = this.start; } this.busy = false; this._queue = []; if (this.fd === null) { this._open = fs.open; this._queue.push([this._open, this.path, this.flags, this.mode, undefined]); this.flush(); } } }