Add a pass-thru implementation of the node-sass importer.

Still failing tests, but @import path resolution etc works.

Author: jareware

node-sass.js

@@ -0,0 +1,13 @@
+var fs = require('fs');
+var path = require('path');
+
+// @see https://www.npmjs.com/package/node-sass#importer-v2-0-0-experimental
+// @see https://github.com/sass/node-sass/issues/671 (random console.log(), which is why can't really use --stdout)
+module.exports = function(url, prev, done) {
+  var expectedExtension = path.extname(url) === '' ? path.extname(prev) : ''; // if the import had an extension (e.g. ".scss"), use that; if not, use the extension of the importing file
+  var next = path.join(path.dirname(prev), url + expectedExtension); // construct import path relative to current file // TODO: Solve https://github.com/sass/node-sass/issues/762
+  fs.readFile(next, function(err, data) {
+    if (err) done(err);
+    else done({ contents: data + '' });
+  });
+};

test/cases/node-sass/.gitignore

@@ -0,0 +1 @@
+/entrypoint.css

test/cases/node-sass/MyComponent.scss renamed to test/cases/node-sass/components/MyComponent.scss

@@ -0,0 +1 @@
+@import 'components/MyComponent.scss'; // imports with explicit file extension should work as well

test/cases/node-sass/SubComponent.scss renamed to test/cases/node-sass/components/SubComponent.scss

@@ -1,5 +1,5 @@
 {
   "scripts": {
-    "test": "node-sass --stdout --output-style=expanded MyComponent.scss"
+    "test": "node-sass --importer=$(pwd)/node_modules/component-css-ns/node-sass.js entrypoint.scss > /dev/null 2>&1 && cat entrypoint.css"
   }
 }