support dart-sass

Author: egoist

src/sass-loader.js

@@ -23,7 +23,10 @@ export default {
   test: /\.s[ac]ss$/,
   process({ code }) {
     return new Promise((resolve, reject) => {
-      const sass = importCwd('node-sass')
+      const sass = importCwd.silent('node-sass') || importCwd.silent('sass')
+      if (!sass) {
+        throw new Error(`You need to install either node-sass or sass in order to process Sass files`)
+      }
       const render = pify(sass.render.bind(sass))
       return workQueue.add(() =>
         render({