Create plugin factory to return plugin instances

Author: Adam Gruber

lib/plugin.js

@@ -0,0 +1,16 @@
+const transformVars = require('./transformVars');
+
+/*
+ * Define factory to create plugins that convert SASS variables to JS object
+ *
+ * @param {object} [opts] Options to pass to the `transformVars` method
+ *
+ * @return {SassExtractPluginInstance}
+ */
+const sassExtractJs = opts => ({
+  run: () => ({
+    postExtract: extractedVariables => transformVars(extractedVariables.global, opts),
+  }),
+});
+
+module.exports = sassExtractJs;