1 | 'use strict';
|
2 |
|
3 | exports.type = 'full';
|
4 |
|
5 | exports.active = true;
|
6 |
|
7 | exports.description = 'remove or cleanup enable-background attribute when possible';
|
8 |
|
9 |
|
10 |
|
11 |
|
12 |
|
13 |
|
14 |
|
15 |
|
16 |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 |
|
22 |
|
23 |
|
24 | exports.fn = function(data) {
|
25 |
|
26 | var regEnableBackground = /^new\s0\s0\s([\-+]?\d*\.?\d+([eE][\-+]?\d+)?)\s([\-+]?\d*\.?\d+([eE][\-+]?\d+)?)$/,
|
27 | hasFilter = false,
|
28 | elems = ['svg', 'mask', 'pattern'];
|
29 |
|
30 | function checkEnableBackground(item) {
|
31 | if (
|
32 | item.isElem(elems) &&
|
33 | item.hasAttr('enable-background') &&
|
34 | item.hasAttr('width') &&
|
35 | item.hasAttr('height')
|
36 | ) {
|
37 |
|
38 | var match = item.attr('enable-background').value.match(regEnableBackground);
|
39 |
|
40 | if (match) {
|
41 | if (
|
42 | item.attr('width').value === match[1] &&
|
43 | item.attr('height').value === match[3]
|
44 | ) {
|
45 | if (item.isElem('svg')) {
|
46 | item.removeAttr('enable-background');
|
47 | } else {
|
48 | item.attr('enable-background').value = 'new';
|
49 | }
|
50 | }
|
51 | }
|
52 |
|
53 | }
|
54 | }
|
55 |
|
56 | function checkForFilter(item) {
|
57 | if (item.isElem('filter')) {
|
58 | hasFilter = true;
|
59 | }
|
60 | }
|
61 |
|
62 | function monkeys(items, fn) {
|
63 | items.content.forEach(function(item) {
|
64 | fn(item);
|
65 |
|
66 | if (item.content) {
|
67 | monkeys(item, fn);
|
68 | }
|
69 | });
|
70 | return items;
|
71 | }
|
72 |
|
73 | var firstStep = monkeys(data, function(item) {
|
74 | checkEnableBackground(item);
|
75 | if (!hasFilter) {
|
76 | checkForFilter(item);
|
77 | }
|
78 | });
|
79 |
|
80 | return hasFilter ? firstStep : monkeys(firstStep, function(item) {
|
81 |
|
82 | item.removeAttr('enable-background');
|
83 | });
|
84 | };
|