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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
 
 
1
 
1
 
1
 
1
 
1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
'use strict';
 
var ELEM_SEP = ':';
 
exports.type = 'perItem';
 
exports.active = false;
 
exports.description = 'removes specified attributes';
 
exports.params = {
    attrs: []
};
 
/**
 * Remove attributes
 *
 * @param attrs:
 *
 *   format: [ element* : attribute* ]
 *
 *   element   : regexp (wrapped into ^...$), single * or omitted > all elements
 *   attribute : regexp (wrapped into ^...$)
 *
 *   examples:
 *
 *     > basic: remove fill attribute
 *     ---
 *     removeAttrs:
 *       attrs: 'fill'
 *
 *     > remove fill attribute on path element
 *     ---
 *       attrs: 'path:fill'
 *
 *
 *     > remove all fill and stroke attribute
 *     ---
 *       attrs:
 *         - 'fill'
 *         - 'stroke'
 *
 *     [is same as]
 *
 *       attrs: '(fill|stroke)'
 *
 *     [is same as]
 *
 *       attrs: '*:(fill|stroke)'
 *
 *     [is same as]
 *
 *       attrs: '.*:(fill|stroke)'
 *
 *
 *     > remove all stroke related attributes
 *     ----
 *     attrs: 'stroke.*'
 *
 *
 * @param {Object} item current iteration item
 * @param {Object} params plugin params
 * @return {Boolean} if false, item will be filtered out
 *
 * @author Benny Schudel
 */
exports.fn = function(item, params) {
 
        // wrap into an array if params is not
    if (!Array.isArray(params.attrs)) {
        params.attrs = [params.attrs];
    }
 
    if (item.isElem()) {
 
            // prepare patterns
        var patterns = params.attrs.map(function(pattern) {
 
                // apply to all elements if specifc element is omitted
            if (pattern.indexOf(ELEM_SEP) === -1) {
                pattern = ['.*', ELEM_SEP, pattern].join('');
            }
 
                // create regexps for element and attribute name
            return pattern.split(ELEM_SEP)
                .map(function(value) {
 
                        // adjust single * to match anything
                    if (value === '*') { value = '.*'; }
 
                    return new RegExp(['^', value, '$'].join(''), 'i');
                });
 
        });
 
            // loop patterns
        patterns.forEach(function(pattern) {
 
                // matches element
            if (pattern[0].test(item.elem)) {
 
                    // loop attributes
                item.eachAttr(function(attr) {
                    var name = attr.name;
 
                        // matches attribute name
                    if (pattern[1].test(name)) {
                        item.removeAttr(name);
                    }
 
                });
 
            }
 
        });
 
    }
 
};