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