From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/graceful-fs/legacy-streams.js | 118 +++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 node_modules/graceful-fs/legacy-streams.js (limited to 'node_modules/graceful-fs/legacy-streams.js') diff --git a/node_modules/graceful-fs/legacy-streams.js b/node_modules/graceful-fs/legacy-streams.js new file mode 100644 index 0000000..d617b50 --- /dev/null +++ b/node_modules/graceful-fs/legacy-streams.js @@ -0,0 +1,118 @@ +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(); + } + } +} -- cgit v1.2.3