nyc-bookstores/node_modules/filesystem-browserify/index.js

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2013-05-27 20:45:59 +00:00
const util = require('util');
const Stream = require('stream');
const DataStore = require('./datastore');
const fs = {};
const FILESYSTEM = new DataStore();
fs.createWriteStream = function createWriteStream(path) {
return new WriteStream(path);
};
fs.createReadStream = function createReadStream(path) {
return new ReadStream(path);
};
fs.rename = FILESYSTEM.rename.bind(FILESYSTEM);
fs.writeFile = FILESYSTEM.writeFile.bind(FILESYSTEM);
fs.readFile = FILESYSTEM.writeFile.bind(FILESYSTEM);
fs.readdir = FILESYSTEM.readdir.bind(FILESYSTEM);
fs.unlink = FILESYSTEM.unlink.bind(FILESYSTEM);
function WriteStream(path) {
this._buffer = '';
this.path = path;
this.writable = true;
this.bytesWritten = 0;
};
util.inherits(WriteStream, Stream);
WriteStream.prototype.write = function write(data) {
this._buffer += data;
this.bytesWritten += data.length;
};
WriteStream.prototype.end = function end() {
FILESYSTEM.writeFile(this.path, this._buffer, function (err) {
this.emit('close');
}.bind(this));
};
function ReadStream(path) {
this.readable = true;
this.path = path;
};
util.inherits(ReadStream, Stream);
ReadStream.prototype.pipe = function pipe(dest) {
console.log('path', this.path);
FILESYSTEM.readFile(this.path, function (err, dataObj) {
dest.write(dataObj.data);
});
return dest;
};
module.exports = fs;