Add react

node_modules/babel-plugin-transform-react-constant-elements/.npmignore

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+node_modules
+*.log
+src
+test

node_modules/babel-plugin-transform-react-constant-elements/README.md

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+# babel-plugin-transform-react-constant-elements
+
+> Treat React JSX elements as value types and hoist them to the highest scope
+
+## Example
+
+**In**
+
+```js
+const Hr = () => {
+  return <hr className="hr" />;
+};
+```
+
+**Out**
+
+```js
+const _ref = <hr className="hr" />;
+
+const Hr = () => {
+  return _ref;
+};
+```
+
+**Deopts**
+
+- **Spread Operator**
+
+  ```js
+  <div {...foobar} />
+  ```
+
+- **Refs**
+
+  ```js
+  <div ref="foobar" />
+  <div ref={node => this.node = node} />
+  ```
+
+## Installation
+
+```sh
+npm install --save-dev babel-plugin-transform-react-constant-elements
+```
+
+## Usage
+
+### Via `.babelrc` (Recommended)
+
+**.babelrc**
+
+```json
+{
+  "plugins": ["transform-react-constant-elements"]
+}
+```
+
+### Via CLI
+
+```sh
+babel --plugins transform-react-constant-elements script.js
+```
+
+### Via Node API
+
+```javascript
+require("babel-core").transform("code", {
+  plugins: ["transform-react-constant-elements"]
+});
+```
+
+## References
+
+* [[facebook/react#3226] Optimizing Compiler: Reuse Constant Value Types like ReactElement](https://github.com/facebook/react/issues/3226)

node_modules/babel-plugin-transform-react-constant-elements/lib/index.js

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+"use strict";
+
+exports.__esModule = true;
+
+var _typeof2 = require("babel-runtime/helpers/typeof");
+
+var _typeof3 = _interopRequireDefault(_typeof2);
+
+exports.default = function (_ref) {
+  var t = _ref.types;
+
+  var immutabilityVisitor = {
+    enter: function enter(path, state) {
+      var stop = function stop() {
+        state.isImmutable = false;
+        path.stop();
+      };
+
+      if (path.isJSXClosingElement()) {
+        path.skip();
+        return;
+      }
+
+      if (path.isJSXIdentifier({ name: "ref" }) && path.parentPath.isJSXAttribute({ name: path.node })) {
+        return stop();
+      }
+
+      if (path.isJSXIdentifier() || path.isIdentifier() || path.isJSXMemberExpression()) {
+        return;
+      }
+
+      if (!path.isImmutable()) {
+        if (path.isPure()) {
+          var expressionResult = path.evaluate();
+          if (expressionResult.confident) {
+            var value = expressionResult.value;
+
+            var isMutable = value && (typeof value === "undefined" ? "undefined" : (0, _typeof3.default)(value)) === "object" || typeof value === "function";
+            if (!isMutable) {
+              return;
+            }
+          } else if (t.isIdentifier(expressionResult.deopt)) {
+            return;
+          }
+        }
+        stop();
+      }
+    }
+  };
+
+  return {
+    visitor: {
+      JSXElement: function JSXElement(path) {
+        if (path.node._hoisted) return;
+
+        var state = { isImmutable: true };
+        path.traverse(immutabilityVisitor, state);
+
+        if (state.isImmutable) {
+          path.hoist();
+        } else {
+          path.node._hoisted = true;
+        }
+      }
+    }
+  };
+};
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports["default"];

node_modules/babel-plugin-transform-react-constant-elements/package.json

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+{
+  "_from": "babel-plugin-transform-react-constant-elements@6.23.0",
+  "_id": "babel-plugin-transform-react-constant-elements@6.23.0",
+  "_inBundle": false,
+  "_integrity": "sha1-LxGb9NLN1F65uqrldAU8YE9hR90=",
+  "_location": "/babel-plugin-transform-react-constant-elements",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "babel-plugin-transform-react-constant-elements@6.23.0",
+    "name": "babel-plugin-transform-react-constant-elements",
+    "escapedName": "babel-plugin-transform-react-constant-elements",
+    "rawSpec": "6.23.0",
+    "saveSpec": null,
+    "fetchSpec": "6.23.0"
+  },
+  "_requiredBy": [
+    "/babel-preset-react-app"
+  ],
+  "_resolved": "https://registry.npmjs.org/babel-plugin-transform-react-constant-elements/-/babel-plugin-transform-react-constant-elements-6.23.0.tgz",
+  "_shasum": "2f119bf4d2cdd45eb9baaae574053c604f6147dd",
+  "_spec": "babel-plugin-transform-react-constant-elements@6.23.0",
+  "_where": "/home/rudi/Personal/disgord-Thanos/node_modules/babel-preset-react-app",
+  "bundleDependencies": false,
+  "dependencies": {
+    "babel-runtime": "^6.22.0"
+  },
+  "deprecated": false,
+  "description": "Treat React JSX elements as value types and hoist them to the highest scope",
+  "devDependencies": {
+    "babel-helper-plugin-test-runner": "^6.22.0"
+  },
+  "keywords": [
+    "babel-plugin"
+  ],
+  "license": "MIT",
+  "main": "lib/index.js",
+  "name": "babel-plugin-transform-react-constant-elements",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-constant-elements"
+  },
+  "version": "6.23.0"
+}