Merge pull request olegstepura#19 from vpoverennov/master

add noEmit option

Author: olegstepura

README.md

@@ -6,8 +6,10 @@ I suggest using it as preloader. Unless you change the options (see below), it
 will generate `.css.d.ts` files near the `.css`. Please take a look at
 [this discussion](https://github.com/Quramy/typed-css-modules/issues/2) to make a decision.
 
+It has one option - noEmit, which turns off emitting files to the output path of webpack.
+
 You can affect how `typed-css-modules` behaves by using query parameters. The loader
-will pass any query parameters you specify to the constructor of the `DtsCreator`
+will pass any query parameters you specify (excluding noEmit) to the constructor of the `DtsCreator`
 class. For more info on available options, please take a look here:
 [DtsCreator constructor](https://github.com/Quramy/typed-css-modules#new-dtscreatoroption).
 
@@ -25,6 +27,8 @@ const settings = {
         loader: 'typed-css-modules'
         // or in case you want to use parameters:
         // loader: 'typed-css-modules?outDir=/tmp'
+        // or in case you want to use noEmit:
+        // loader: 'typed-css-modules?noEmit'
       }
     ],
   }

index.js

@@ -12,17 +12,22 @@ module.exports = function(source, map) {
   // output folder.
   var queryOptions = loaderUtils.getOptions(this);
   var options;
+  var emitFile = true;
   if (queryOptions) {
     options = Object.assign({}, queryOptions);
+    emitFile = !options.noEmit;
+    delete options.noEmit;
   }
 
   var creator = new DtsCreator(options);
 
   // creator.create(..., source) tells the module to operate on the
   // source variable. Check API for more details.
   creator.create(this.resourcePath, source).then(content => {
-    // Emit the created content as well
-    this.emitFile(path.relative(this.options.context, content.outputFilePath), content.contents || [''], map);
+    if (emitFile) {
+        // Emit the created content as well
+        this.emitFile(path.relative(this.options.context, content.outputFilePath), content.contents || [''], map);
+    }
     content.writeFile().then(_ => {
       callback(null, source, map);
     });