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