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- 'use strict';
- const { detachNodeFromParent } = require('../lib/xast.js');
- exports.name = 'removeEmptyText';
- exports.type = 'visitor';
- exports.active = true;
- exports.description = 'removes empty <text> elements';
- exports.fn = (root, params) => {
- const { text = true, tspan = true, tref = true } = params;
- return {
- element: {
- enter: (node, parentNode) => {
-
- if (text && node.name === 'text' && node.children.length === 0) {
- detachNodeFromParent(node, parentNode);
- }
-
- if (tspan && node.name === 'tspan' && node.children.length === 0) {
- detachNodeFromParent(node, parentNode);
- }
-
- if (
- tref &&
- node.name === 'tref' &&
- node.attributes['xlink:href'] == null
- ) {
- detachNodeFromParent(node, parentNode);
- }
- },
- },
- };
- };
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