Current Dev State

static/js/ketcher2/node_modules/babel-plugin-transform-es2015-parameters/lib/destructuring.js

@@ -0,0 +1,34 @@
+"use strict";
+
+exports.__esModule = true;
+exports.visitor = undefined;
+
+var _babelTypes = require("babel-types");
+
+var t = _interopRequireWildcard(_babelTypes);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+var visitor = exports.visitor = {
+  Function: function Function(path) {
+    var params = path.get("params");
+
+    var hoistTweak = t.isRestElement(params[params.length - 1]) ? 1 : 0;
+    var outputParamsLength = params.length - hoistTweak;
+
+    for (var i = 0; i < outputParamsLength; i++) {
+      var param = params[i];
+      if (param.isArrayPattern() || param.isObjectPattern()) {
+        var uid = path.scope.generateUidIdentifier("ref");
+
+        var declar = t.variableDeclaration("let", [t.variableDeclarator(param.node, uid)]);
+        declar._blockHoist = outputParamsLength - i;
+
+        path.ensureBlock();
+        path.get("body").unshiftContainer("body", declar);
+
+        param.replaceWith(uid);
+      }
+    }
+  }
+};