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'use strict';
exports.type = 'perItem';
exports.active = false;
exports.description = 'removes width and height in presence of viewBox (opposite to removeViewBox, disable it first)';
/**
* Remove width/height attributes and add the viewBox attribute if it's missing
*
* @example
* <svg width="100" height="50" />
* ↓
* <svg viewBox="0 0 100 50" />
*
* @param {Object} item current iteration item
* @return {Boolean} if true, with and height will be filtered out
*
* @author Benny Schudel
*/
exports.fn = function(item) {
if (item.isElem('svg')) {
if (item.hasAttr('viewBox')) {
item.removeAttr('width');
item.removeAttr('height');
} else if (
item.hasAttr('width') &&
item.hasAttr('height') &&
!isNaN(Number(item.attr('width').value)) &&
!isNaN(Number(item.attr('height').value))
) {
item.addAttr({
name: 'viewBox',
value:
'0 0 ' +
Number(item.attr('width').value) +
' ' +
Number(item.attr('height').value),
prefix: '',
local: 'viewBox'
});
item.removeAttr('width');
item.removeAttr('height');
}
}
};