react app

react-app/node_modules/jstransform/visitors/es6-object-concise-method-visitors.js

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+/**
+ * Copyright 2013 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*jslint node:true*/
+
+/**
+ * Desugars concise methods of objects to function expressions.
+ *
+ * var foo = {
+ *   method(x, y) { ... }
+ * };
+ *
+ * var foo = {
+ *   method: function(x, y) { ... }
+ * };
+ *
+ */
+
+var Syntax = require('esprima-fb').Syntax;
+var utils = require('../src/utils');
+var reservedWordsHelper = require('./reserved-words-helper');
+
+function visitObjectConciseMethod(traverse, node, path, state) {
+  var isGenerator = node.value.generator;
+  if (isGenerator) {
+    utils.catchupWhiteSpace(node.range[0] + 1, state);
+  }
+  if (node.computed) { // [<expr>]() { ...}
+    utils.catchup(node.key.range[1] + 1, state);
+  } else if (reservedWordsHelper.isReservedWord(node.key.name)) {
+    utils.catchup(node.key.range[0], state);
+    utils.append('"', state);
+    utils.catchup(node.key.range[1], state);
+    utils.append('"', state);
+  }
+
+  utils.catchup(node.key.range[1], state);
+  utils.append(
+    ':function' + (isGenerator ? '*' : ''),
+    state
+  );
+  path.unshift(node);
+  traverse(node.value, path, state);
+  path.shift();
+  return false;
+}
+
+visitObjectConciseMethod.test = function(node, path, state) {
+  return node.type === Syntax.Property &&
+    node.value.type === Syntax.FunctionExpression &&
+    node.method === true;
+};
+
+exports.visitorList = [
+  visitObjectConciseMethod
+];