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/@svgr/plugin-jsx/lib/index.js

@@ -0,0 +1,40 @@
+"use strict";
+
+exports.__esModule = true;
+exports.default = jsxPlugin;
+
+var _svgParser = require("svg-parser");
+
+var _hastUtilToBabelAst = _interopRequireDefault(require("@svgr/hast-util-to-babel-ast"));
+
+var _core = require("@babel/core");
+
+var _babelPreset = _interopRequireDefault(require("@svgr/babel-preset"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function jsxPlugin(code, config, state) {
+  const filePath = state.filePath || 'unknown';
+  const hastTree = (0, _svgParser.parse)(code);
+  const babelTree = (0, _hastUtilToBabelAst.default)(hastTree);
+  const {
+    code: generatedCode
+  } = (0, _core.transformFromAstSync)(babelTree, code, {
+    caller: {
+      name: 'svgr'
+    },
+    presets: [(0, _core.createConfigItem)([_babelPreset.default, { ...config,
+      state
+    }], {
+      type: 'preset'
+    })],
+    filename: filePath,
+    babelrc: false,
+    configFile: false,
+    code: true,
+    ast: false,
+    inputSourceMap: false,
+    ...(config.jsx && config.jsx.babelConfig)
+  });
+  return generatedCode;
+}