epiphany/node_modules/svgo/plugins/addClassesToSVGElement.js
2023-12-09 22:48:07 -08:00

82 lines
1.7 KiB
JavaScript

'use strict';
exports.name = 'addClassesToSVGElement';
exports.description = 'adds classnames to an outer <svg> element';
var ENOCLS = `Error in plugin "addClassesToSVGElement": absent parameters.
It should have a list of classes in "classNames" or one "className".
Config example:
plugins: [
{
name: "addClassesToSVGElement",
params: {
className: "mySvg"
}
}
]
plugins: [
{
name: "addClassesToSVGElement",
params: {
classNames: ["mySvg", "size-big"]
}
}
]
`;
/**
* Add classnames to an outer <svg> element. Example config:
*
* plugins: [
* {
* name: "addClassesToSVGElement",
* params: {
* className: "mySvg"
* }
* }
* ]
*
* plugins: [
* {
* name: "addClassesToSVGElement",
* params: {
* classNames: ["mySvg", "size-big"]
* }
* }
* ]
*
* @author April Arcus
*
* @type {import('./plugins-types').Plugin<'addClassesToSVGElement'>}
*/
exports.fn = (root, params) => {
if (
!(Array.isArray(params.classNames) && params.classNames.some(String)) &&
!params.className
) {
console.error(ENOCLS);
return null;
}
const classNames = params.classNames || [params.className];
return {
element: {
enter: (node, parentNode) => {
if (node.name === 'svg' && parentNode.type === 'root') {
const classList = new Set(
node.attributes.class == null
? null
: node.attributes.class.split(' ')
);
for (const className of classNames) {
if (className != null) {
classList.add(className);
}
}
node.attributes.class = Array.from(classList).join(' ');
}
},
},
};
};