50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
'use strict';
|
|
|
|
exports.name = 'removeViewBox';
|
|
exports.description = 'removes viewBox attribute when possible';
|
|
|
|
const viewBoxElems = new Set(['pattern', 'svg', 'symbol']);
|
|
|
|
/**
|
|
* Remove viewBox attr which coincides with a width/height box.
|
|
*
|
|
* @see https://www.w3.org/TR/SVG11/coords.html#ViewBoxAttribute
|
|
*
|
|
* @example
|
|
* <svg width="100" height="50" viewBox="0 0 100 50">
|
|
* ⬇
|
|
* <svg width="100" height="50">
|
|
*
|
|
* @author Kir Belevich
|
|
*
|
|
* @type {import('./plugins-types').Plugin<'removeViewBox'>}
|
|
*/
|
|
exports.fn = () => {
|
|
return {
|
|
element: {
|
|
enter: (node, parentNode) => {
|
|
if (
|
|
viewBoxElems.has(node.name) &&
|
|
node.attributes.viewBox != null &&
|
|
node.attributes.width != null &&
|
|
node.attributes.height != null
|
|
) {
|
|
// TODO remove width/height for such case instead
|
|
if (node.name === 'svg' && parentNode.type !== 'root') {
|
|
return;
|
|
}
|
|
const nums = node.attributes.viewBox.split(/[ ,]+/g);
|
|
if (
|
|
nums[0] === '0' &&
|
|
nums[1] === '0' &&
|
|
node.attributes.width.replace(/px$/, '') === nums[2] && // could use parseFloat too
|
|
node.attributes.height.replace(/px$/, '') === nums[3]
|
|
) {
|
|
delete node.attributes.viewBox;
|
|
}
|
|
}
|
|
},
|
|
},
|
|
};
|
|
};
|