added require hook

Author: mightyaleksey

index.js

@@ -0,0 +1,78 @@
+'use strict';
+
+if (global._cssModulesPolyfill) {
+  throw new Error('only one instance of css-modules/polyfill is allowed');
+}
+
+global._cssModulesPolyfill = true;
+
+var assign = require('object-assign');
+var options = {};
+
+/**
+ * Posibility to pass custom options to the module
+ * @param {object} opts
+ */
+module.exports = function (opts) {
+  assign(options, opts);
+};
+
+var Core = require('css-modules-loader-core');
+var pluginsCache;
+
+/**
+ * Caching plugins for the future calls
+ * @return {array}
+ */
+function loadPlugins() {
+  // retrieving from cache if they are already loaded
+  if (pluginsCache) {
+    return pluginsCache;
+  }
+
+  // PostCSS plugins passed to FileSystemLoader
+  var plugins = options.use || options.u;
+  if (!plugins) {
+    plugins = Core.defaultPlugins;
+  } else {
+    if (typeof plugins === 'string') {
+      plugins = [ plugins ];
+    }
+
+    plugins = plugins.map(function requirePlugin (name) {
+      // assume functions are already required plugins
+      if (typeof name === 'function') {
+        return name;
+      }
+
+      var plugin = require(require.resolve(name));
+
+      // custom scoped name generation
+      if (name === 'postcss-modules-scope') {
+        options[name] = options[name] || {};
+        options[name].generateScopedName = createScopedNameFunc(plugin);
+      }
+
+      if (name in options) {
+        plugin = plugin(options[name]);
+      } else {
+        plugin = plugin.postcss || plugin();
+      }
+
+      return plugin;
+    });
+  }
+
+  return pluginsCache = plugins;
+}
+
+var FileSystemLoader = require('css-modules-loader-core/lib/file-system-loader');
+var path = require('path');
+
+require.extensions['.css'] = function (m, filename) {
+  var plugins = loadPlugins();
+  var loader = new FileSystemLoader(path.dirname(filename), plugins);
+  var tokens = loader.fetchSync(path.basename(filename), '/');
+
+  return m._compile('module.exports = ' + JSON.stringify(tokens), filename);
+};