Fix bug where bundler stops watching files when an error occurs.

lib/inline-css-url.js

@@ -28,26 +28,34 @@ var clean = function (path) {
  * @param filename
  * @returns {{css: (css|any), files: Array}}
  */
-var inline = function (css, filename) {
+var inlineUrl = function (css, filename) {
 	var files = [];
 	var basePath = path.dirname(filename);
 	var result = postcss()
 		.use(postcssUrl({
 			url: function (urlPath) {
 				if (isLocalPath(urlPath) && !isTemplateExpression(urlPath)) {
-					urlPath = clean(urlPath);
-					urlPath = path.resolve(basePath, urlPath);
-					files.push(urlPath);
-					urlPath = datauri(urlPath);
+					try {
+						urlPath = clean(urlPath);
+						urlPath = path.resolve(basePath, urlPath);
+						files = R.append(urlPath, files);
+						urlPath = datauri(urlPath);
+					}
+					catch (error) {
+						error.filename = filename;
+						error.files = R.uniq(files);
+						throw error;
+					}
 				}
 				return urlPath;
 			}
 		}))
 		.process(css);
+	files = R.uniq(files);
 	return {
 		css: result.css,
-		files: files
+		files
 	};
 };
 
-module.exports = inline;
+module.exports = inlineUrl;