Add CSS variables test

test/plugins/utils.js

@@ -0,0 +1,49 @@
+const fs = require('fs');
+const path = require('path');
+
+let utils = {
+  parseLine: (line) => {
+    if (line.startsWith('$') && line.endsWith('!default')) {
+      const colon_index = line.indexOf(':');
+      const variable_name = line.substring(0, colon_index).trim();
+
+      const default_index = line.indexOf('!default');
+      const variable_value = line.substring(colon_index + 1, default_index).trim();
+
+      return variable = {
+        name: variable_name,
+        value: variable_value,
+        type: utils.getVariableType(variable_name, variable_value),
+      };
+    }
+
+    return false;
+  },
+
+  getLines: (files, file_path) => {
+    const file = files[file_path];
+    const slash_index = file_path.lastIndexOf('/');
+    const dot_index = file_path.lastIndexOf('.');
+    const file_name = file_path.substring(slash_index + 1, dot_index);
+
+    return {
+      file_name,
+      lines: file.contents.toString().split(/(?:\r\n|\r|\n)/g),
+    }
+  },
+
+  ensureDirectoryExistence: (file_path) => {
+    var dirname = path.dirname(file_path);
+
+    if (fs.existsSync(dirname)) {
+      return true;
+    }
+
+    utils.ensureDirectoryExistence(dirname);
+    fs.mkdirSync(dirname);
+  }
+}
+
+utils.files = {};
+
+module.exports = utils;