/* jshint quotmark: false */
|
'use strict';
|
|
exports.type = 'perItem';
|
|
exports.active = true;
|
|
exports.description = 'converts style to attributes';
|
|
exports.params = {
|
keepImportant: false
|
};
|
|
var stylingProps = require('./_collections').attrsGroups.presentation,
|
rEscape = '\\\\(?:[0-9a-f]{1,6}\\s?|\\r\\n|.)', // Like \" or \2051. Code points consume one space.
|
rAttr = '\\s*(' + g('[^:;\\\\]', rEscape) + '*?)\\s*', // attribute name like ‘fill’
|
rSingleQuotes = "'(?:[^'\\n\\r\\\\]|" + rEscape + ")*?(?:'|$)", // string in single quotes: 'smth'
|
rQuotes = '"(?:[^"\\n\\r\\\\]|' + rEscape + ')*?(?:"|$)', // string in double quotes: "smth"
|
rQuotedString = new RegExp('^' + g(rSingleQuotes, rQuotes) + '$'),
|
|
// Parentheses, E.g.: url(data:image/png;base64,iVBO...).
|
// ':' and ';' inside of it should be threated as is. (Just like in strings.)
|
rParenthesis = '\\(' + g('[^\'"()\\\\]+', rEscape, rSingleQuotes, rQuotes) + '*?' + '\\)',
|
|
// The value. It can have strings and parentheses (see above). Fallbacks to anything in case of unexpected input.
|
rValue = '\\s*(' + g('[^!\'"();\\\\]+?', rEscape, rSingleQuotes, rQuotes, rParenthesis, '[^;]*?') + '*?' + ')',
|
|
// End of declaration. Spaces outside of capturing groups help to do natural trimming.
|
rDeclEnd = '\\s*(?:;\\s*|$)',
|
|
// Important rule
|
rImportant = '(\\s*!important(?![-(\w]))?',
|
|
// Final RegExp to parse CSS declarations.
|
regDeclarationBlock = new RegExp(rAttr + ':' + rValue + rImportant + rDeclEnd, 'ig'),
|
|
// Comments expression. Honors escape sequences and strings.
|
regStripComments = new RegExp(g(rEscape, rSingleQuotes, rQuotes, '/\\*[^]*?\\*/'), 'ig');
|
|
/**
|
* Convert style in attributes. Cleanups comments and illegal declarations (without colon) as a side effect.
|
*
|
* @example
|
* <g style="fill:#000; color: #fff;">
|
* ⬇
|
* <g fill="#000" color="#fff">
|
*
|
* @example
|
* <g style="fill:#000; color: #fff; -webkit-blah: blah">
|
* ⬇
|
* <g fill="#000" color="#fff" style="-webkit-blah: blah">
|
*
|
* @param {Object} item current iteration item
|
* @return {Boolean} if false, item will be filtered out
|
*
|
* @author Kir Belevich
|
*/
|
exports.fn = function(item, params) {
|
/* jshint boss: true */
|
|
if (item.elem && item.hasAttr('style')) {
|
// ['opacity: 1', 'color: #000']
|
var styleValue = item.attr('style').value,
|
styles = [],
|
attrs = {};
|
|
// Strip CSS comments preserving escape sequences and strings.
|
styleValue = styleValue.replace(regStripComments, function(match) {
|
return match[0] == '/' ? '' :
|
match[0] == '\\' && /[-g-z]/i.test(match[1]) ? match[1] : match;
|
});
|
|
regDeclarationBlock.lastIndex = 0;
|
for (var rule; rule = regDeclarationBlock.exec(styleValue);) {
|
if (!params.keepImportant || !rule[3]) {
|
styles.push([rule[1], rule[2]]);
|
}
|
}
|
|
if (styles.length) {
|
|
styles = styles.filter(function(style) {
|
if (style[0]) {
|
var prop = style[0].toLowerCase(),
|
val = style[1];
|
|
if (rQuotedString.test(val)) {
|
val = val.slice(1, -1);
|
}
|
|
if (stylingProps.indexOf(prop) > -1) {
|
|
attrs[prop] = {
|
name: prop,
|
value: val,
|
local: prop,
|
prefix: ''
|
};
|
|
return false;
|
}
|
}
|
|
return true;
|
});
|
|
Object.assign(item.attrs, attrs);
|
|
if (styles.length) {
|
item.attr('style').value = styles
|
.map(function(declaration) { return declaration.join(':') })
|
.join(';');
|
} else {
|
item.removeAttr('style');
|
}
|
|
}
|
|
}
|
|
};
|
|
function g() {
|
return '(?:' + Array.prototype.join.call(arguments, '|') + ')';
|
}
|
