1// Copyright 2014 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5//   You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12//   See the License for the specific language governing permissions and
13// limitations under the License.
14
15(function(scope) {
16  function parse(string) {
17    var out = Number(string);
18    if (isNaN(out) || out < 100 || out > 900 || out % 100 !== 0) {
19      return;
20    }
21    return out;
22  }
23
24  function toCss(value) {
25    value = Math.round(value / 100) * 100;
26    value = scope.clamp(100, 900, value);
27    if (value === 400) {
28      return 'normal';
29    }
30    if (value === 700) {
31      return 'bold';
32    }
33    return String(value);
34  }
35
36  function merge(left, right) {
37    return [left, right, toCss];
38  }
39
40  scope.addPropertiesHandler(parse, merge, ['font-weight']);
41
42})(webAnimations1);
43