chushihua

node_modules/webpack-dev-middleware/lib/GetFilenameFromUrl.js

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+var pathJoin = require("./PathJoin");
+var querystring = require("querystring");
+var urlParse = require("url").parse;
+
+function getFilenameFromUrl(publicPath, outputPath, url) {
+	var filename;
+
+	// localPrefix is the folder our bundle should be in
+	var localPrefix = urlParse(publicPath || "/", false, true);
+	var urlObject = urlParse(url);
+
+	// publicPath has the hostname that is not the same as request url's, should fail
+	if(localPrefix.hostname !== null && urlObject.hostname !== null &&
+		localPrefix.hostname !== urlObject.hostname) {
+		return false;
+	}
+
+	// publicPath is not in url, so it should fail
+	if(publicPath && localPrefix.hostname === urlObject.hostname && url.indexOf(publicPath) !== 0) {
+		return false;
+	}
+
+	// strip localPrefix from the start of url
+	if(urlObject.pathname.indexOf(localPrefix.pathname) === 0) {
+		filename = urlObject.pathname.substr(localPrefix.pathname.length);
+	}
+
+	if(!urlObject.hostname && localPrefix.hostname &&
+		url.indexOf(localPrefix.path) !== 0) {
+		return false;
+	}
+	// and if not match, use outputPath as filename
+	return querystring.unescape(filename ? pathJoin(outputPath, filename) : outputPath);
+}
+
+// support for multi-compiler configuration
+// see: https://github.com/webpack/webpack-dev-server/issues/641
+function getPaths(publicPath, compiler, url) {
+	var compilers = compiler && compiler.compilers;
+	if(Array.isArray(compilers)) {
+		var compilerPublicPath;
+		for(var i = 0; i < compilers.length; i++) {
+			compilerPublicPath = compilers[i].options
+				&& compilers[i].options.output
+				&& compilers[i].options.output.publicPath;
+			if(url.indexOf(compilerPublicPath) === 0) {
+				return {
+					publicPath: compilerPublicPath,
+					outputPath: compilers[i].outputPath
+				};
+			}
+		}
+	}
+	return {
+		publicPath: publicPath,
+		outputPath: compiler.outputPath
+	};
+}
+
+module.exports = function(publicPath, compiler, url) {
+	var paths = getPaths(publicPath, compiler, url);
+	return getFilenameFromUrl(paths.publicPath, paths.outputPath, url);
+};