Project import generated by Copybara.
GitOrigin-RevId: 63746295f1a5ab5a619056791995793d65529e62
diff --git a/node_modules/material-design-lite/utils/uniffe.js b/node_modules/material-design-lite/utils/uniffe.js
new file mode 100644
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+++ b/node_modules/material-design-lite/utils/uniffe.js
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+/**
+ *
+ * Material Design Lite
+ * Copyright 2015 Google Inc. All rights reserved.
+ *
+ * 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
+ *
+ * https://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
+ *
+ */
+'use strict';
+
+var through = require('through2');
+var escodegen = require('escodegen');
+var acorn = require('acorn');
+
+function uniffe(contents) {
+ var comments = [];
+ var tokens = [];
+
+ var ast = acorn.parse(contents, {
+ ranges: true,
+ onComment: comments,
+ onToken: tokens
+ });
+
+ escodegen.attachComments(ast, comments, tokens);
+
+ if (ast.body[0].expression === undefined ||
+ ast.body[0].expression.callee === undefined) {
+ return contents;
+ }
+
+ var rootProgram = ast.body[0].expression.callee.body;
+
+ rootProgram.type = 'Program';
+ // drop use strict
+ rootProgram.body = rootProgram.body.slice(1);
+ // attach all leading comments from outside iffe
+ rootProgram.leadingComments = ast.body[0].leadingComments;
+
+ return escodegen.generate(rootProgram, {comment: true});
+}
+
+module.exports = function() {
+ return through.obj(function(file, enc, cb) {
+ if (file.isBuffer()) {
+ file.contents = new Buffer(uniffe(file.contents.toString(enc)), enc);
+ }
+
+ cb(null, file);
+ });
+};