simple implementation based on postcss

Author: mightyaleksey

package.json

@@ -5,8 +5,10 @@
   "main": "index.js",
   "dependencies": {
     "css-modules-loader-core": "0.0.11",
+    "postcss": "^4.1.16",
     "postcss-modules-extract-imports": "0.0.5",
-    "postcss-modules-local-by-default": "0.0.11"
+    "postcss-modules-local-by-default": "0.0.11",
+    "postcss-modules-scope": "0.0.8"
   },
   "devDependencies": {
     "babel": "^5.8.20",

src/guard.js

@@ -0,0 +1,7 @@
+'use strict';
+
+if (global._cssModulesPolyfill) {
+  throw new Error('only one instance of css-modules/polyfill is allowed');
+}
+
+global._cssModulesPolyfill = true;

src/hook.js

@@ -0,0 +1,11 @@
+'use strict';
+
+/**
+ * @param {function} compile
+ */
+module.exports = function (compile) {
+  require.extensions['.css'] = function (m, filename) {
+    var tokens = compile(filename);
+    return m._compile('module.exports = ' + JSON.stringify(tokens), filename);
+  };
+};

src/index.js

@@ -0,0 +1,21 @@
+'use strict';
+
+import './guard';
+import fs from 'fs';
+import hook from './hook';
+import postcss from 'postcss';
+
+import extractImports from 'postcss-modules-extract-imports';
+import localByDefault from 'postcss-modules-local-by-default';
+import scope from 'postcss-modules-scope';
+
+let plugins = [localByDefault, extractImports, scope];
+
+hook(filename => postcss(plugins).process(fs.readFileSync(filename, 'utf8')).css);
+
+/**
+ * @param  {object} opts
+ * @param  {array}  opts.u
+ * @param  {array}  opts.use
+ */
+export default function configure(opts) {}