add some packages

node_modules/babel-plugin-transform-property-literals/lib/property-name.js

@@ -0,0 +1,50 @@
+"use strict";
+
+const _require = require("esutils"),
+      keyword = _require.keyword;
+
+const escapeStringLiteral = require("./escape-string-literal");
+
+module.exports = {
+  reduceStaticPropertyNameES5
+};
+/**
+ *
+ * Original Source:
+ * https://github.com/shapesecurity/shift-codegen-js/blob/0d09bd8a/src/minimal-codegen.js#L635
+ *
+ * This implementation modifies the original source in the following ways
+ * + Check for ES5 Identifier name instead of ES6 Identifier name
+ * + Use Babel-Types & Babel's AST instead of ShiftAST
+ *
+ * LICENSE
+
+Copyright 2014 Shape Security, 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.
+
+ */
+
+function reduceStaticPropertyNameES5(t, node) {
+  if (keyword.isIdentifierNameES5(node.value)) {
+    return t.Identifier(node.value);
+  }
+
+  let n = parseFloat(node.value);
+
+  if (n >= 0 && n.toString() === node.value) {
+    return t.NumericLiteral(n);
+  }
+
+  return t.Identifier(escapeStringLiteral(node.value));
+}