ares-ide/hermes/lib/copyFile.js

A browser-based code editor and UI designer for Enyo 2 projects

/* global require, module  */
module.exports = copyFile;

var fs = require('fs');

function copyFile(source, target, next) {
	var cbCalled = false;

	var rd = fs.createReadStream(source);
	rd.on("error", function(err) {
		done(err);
	});
	var wr = fs.createWriteStream(target);
	wr.on("error", function(err) {
		done(err);
	});
	wr.on("close", function(ex) {
		done();
	});
	rd.pipe(wr);

	function done(err) {
		if (!cbCalled) {
			next(err);
			cbCalled = true;
		}
	}
}