Initial commit: Developer Tools MVP with visual editor

- Complete React app with 7 developer tools
- JSON Tool with visual structured editor
- Serialize Tool with visual structured editor
- URL, Base64, CSV/JSON, Beautifier, Diff tools
- Responsive navigation with dropdown menu
- Dark/light mode toggle
- Mobile-responsive design with sticky header
- All tools working with copy/paste functionality

node_modules/jsx-ast-utils/lib/values/expressions/ArrayExpression.js

@@ -0,0 +1,20 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = extractValueFromArrayExpression;
+/**
+ * Extractor function for an ArrayExpression type value node.
+ * An array expression is an expression with [] syntax.
+ *
+ * @returns - An array of the extracted elements.
+ */
+function extractValueFromArrayExpression(value) {
+  // eslint-disable-next-line global-require
+  var getValue = require('.').default;
+  return value.elements.map(function (element) {
+    if (element === null) return undefined;
+    return getValue(element);
+  });
+}