sysutils/svgo
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bump csso to 1.8.0 and use minifyBlock for style attribute content compression

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This commit is contained in:
Roman Dvornov
2016-03-24 21:57:43 +03:00
parent e69f0a27be
commit df9cd399c0
2 changed files with 3 additions and 30 deletions
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31
plugins/minifyStyles.js
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@ -12,25 +12,6 @@ exports.description = 'minifies existing styles in svg';
var csso = require('csso');
// wraps css rules into a selector to make it parseable
var rulesToDummySelector = function(str) {
return '.dummy { ' + str + ' }';
};
// helper to extract css rules from full css selector
var extractRuleCss = function(str) {
var strEx = str.match(/\.dummy{(.*)}/i)[1];
return strEx;
};
// minifies css using csso
var minifyCss = function(css, options) {
return csso.minify(css, options);
};
/**
* Minifies styles (<style> element + style attribute) using svgo
*
@ -46,7 +27,7 @@ exports.fn = function(item, svgoOptions) {
var styleCss = item.content[0].text || item.content[0].cdata || [],
DATA = styleCss.indexOf('>') >= 0 || styleCss.indexOf('<') >= 0 ? 'cdata' : 'text';
if(styleCss.length > 0) {
var styleCssMinified = minifyCss(styleCss, svgoOptions);
var styleCssMinified = csso.minify(styleCss, svgoOptions);
item.content[0][DATA] = styleCssMinified;
}
}
@ -54,15 +35,7 @@ exports.fn = function(item, svgoOptions) {
if(item.hasAttr('style')) {
var itemCss = item.attr('style').value;
if(itemCss.length > 0) {
var itemCssMinified =
extractRuleCss(
minifyCss(
rulesToDummySelector(
itemCss
),
svgoOptions
)
);
var itemCssMinified = csso.minifyBlock(itemCss, svgoOptions);
item.attr('style').value = itemCssMinified;
}
}