webpack/examples/template-common.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var fs = require("fs");
var path = require("path");

function lessStrict(regExpStr) {
	regExpStr = regExpStr
		.replace(/node_modules/g, "(node_modules|~)")
		.replace(/(\\\/|\\\\)/g, "[\\/\\\\]")
	return regExpStr;
}

module.exports = function(template, baseDir, stdout, prefix) {

	var regexp = new RegExp("\\{\\{" + (prefix ? prefix+":" : "") + "([^:\\}]+)\\}\\}", "g")
	var cwd = process.cwd();
	var webpack = path.join(__dirname, "..");
	var webpackParent = path.join(__dirname, "..", "..");
	cwd = lessStrict(cwd.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"));
	cwd = new RegExp(cwd, "g");
	webpack = lessStrict(webpack.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"));
	webpack = new RegExp(webpack, "g");
	webpackParent = lessStrict(webpackParent.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"));
	webpackParent = new RegExp(webpackParent, "g");
	
	return template.replace(regexp, function(match) {
		match = match.substr(2 + (prefix ? prefix.length+1 : 0), match.length - 4 - (prefix ? prefix.length+1 : 0));
		if(match === "stdout")
			return stdout;
		return fs.readFileSync(path.join(baseDir, match), "utf-8").replace(/[\r\n]*$/, "");
	}).replace(cwd, ".").replace(webpack, "(webpack)").replace(webpackParent, "(webpack)/~");
	
}