Blame view

node_modules/autoprefixer/lib/hacks/grid-template.js 2.31 KB
ce4c83ff   wxy   初始提交
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
  (function() {
    var Declaration, GridTemplate, parser,
      extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
      hasProp = {}.hasOwnProperty;
  
    parser = require('postcss-value-parser');
  
    Declaration = require('../declaration');
  
    GridTemplate = (function(superClass) {
      extend(GridTemplate, superClass);
  
      function GridTemplate() {
        return GridTemplate.__super__.constructor.apply(this, arguments);
      }
  
      GridTemplate.names = ['grid-template-rows', 'grid-template-columns', 'grid-rows', 'grid-columns'];
  
      GridTemplate.prototype.prefixed = function(prop, prefix) {
        if (prefix === '-ms-') {
          return prefix + prop.replace('template-', '');
        } else {
          return GridTemplate.__super__.prefixed.call(this, prop, prefix);
        }
      };
  
      GridTemplate.prototype.normalize = function(prop) {
        return prop.replace(/^grid-(rows|columns)/, 'grid-template-$1');
      };
  
      GridTemplate.prototype.walkRepeat = function(node) {
        var count, first, fixed, i, j, len, ref;
        fixed = [];
        ref = node.nodes;
        for (j = 0, len = ref.length; j < len; j++) {
          i = ref[j];
          if (i.nodes) {
            this.walkRepeat(i);
          }
          fixed.push(i);
          if (i.type === 'function' && i.value === 'repeat') {
            first = i.nodes.shift();
            if (first) {
              count = first.value;
              i.nodes.shift();
              i.value = '';
              fixed.push({
                type: 'word',
                value: "[" + count + "]"
              });
            }
          }
        }
        return node.nodes = fixed;
      };
  
      GridTemplate.prototype.changeRepeat = function(value) {
        var ast;
        ast = parser(value);
        this.walkRepeat(ast);
        return ast.toString();
      };
  
      GridTemplate.prototype.set = function(decl, prefix) {
        if (prefix === '-ms-' && decl.value.indexOf('repeat(') !== -1) {
          decl.value = this.changeRepeat(decl.value);
        }
        return GridTemplate.__super__.set.call(this, decl, prefix);
      };
  
      return GridTemplate;
  
    })(Declaration);
  
    module.exports = GridTemplate;
  
  }).call(this);