настройка webpack

node_modules/@babel/plugin-transform-classes/lib/index.js

@@ -0,0 +1,78 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _helperPluginUtils = require("@babel/helper-plugin-utils");
+
+var _helperAnnotateAsPure = _interopRequireDefault(require("@babel/helper-annotate-as-pure"));
+
+var _helperFunctionName = _interopRequireDefault(require("@babel/helper-function-name"));
+
+var _helperSplitExportDeclaration = _interopRequireDefault(require("@babel/helper-split-export-declaration"));
+
+var _core = require("@babel/core");
+
+var _globals = _interopRequireDefault(require("globals"));
+
+var _transformClass = _interopRequireDefault(require("./transformClass"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const getBuiltinClasses = category => Object.keys(_globals.default[category]).filter(name => /^[A-Z]/.test(name));
+
+const builtinClasses = new Set([...getBuiltinClasses("builtin"), ...getBuiltinClasses("browser")]);
+
+var _default = (0, _helperPluginUtils.declare)((api, options) => {
+  api.assertVersion(7);
+  const {
+    loose
+  } = options;
+  const VISITED = Symbol();
+  return {
+    name: "transform-classes",
+    visitor: {
+      ExportDefaultDeclaration(path) {
+        if (!path.get("declaration").isClassDeclaration()) return;
+        (0, _helperSplitExportDeclaration.default)(path);
+      },
+
+      ClassDeclaration(path) {
+        const {
+          node
+        } = path;
+        const ref = node.id || path.scope.generateUidIdentifier("class");
+        path.replaceWith(_core.types.variableDeclaration("let", [_core.types.variableDeclarator(ref, _core.types.toExpression(node))]));
+      },
+
+      ClassExpression(path, state) {
+        const {
+          node
+        } = path;
+        if (node[VISITED]) return;
+        const inferred = (0, _helperFunctionName.default)(path);
+
+        if (inferred && inferred !== node) {
+          path.replaceWith(inferred);
+          return;
+        }
+
+        node[VISITED] = true;
+        path.replaceWith((0, _transformClass.default)(path, state.file, builtinClasses, loose));
+
+        if (path.isCallExpression()) {
+          (0, _helperAnnotateAsPure.default)(path);
+
+          if (path.get("callee").isArrowFunctionExpression()) {
+            path.get("callee").arrowFunctionToExpression();
+          }
+        }
+      }
+
+    }
+  };
+});
+
+exports.default = _default;