50 lines
1.1 KiB
JavaScript
50 lines
1.1 KiB
JavaScript
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const merge = require('merge-options');
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const renderer = require('posthtml-render');
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const api = require('posthtml/lib/api');
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const defaultOptions = {
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closingSingleTag: 'slash',
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singleTags: [
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'circle',
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'path',
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'ellipse',
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'line',
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'path',
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'polygon',
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'polyline',
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'rect',
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'use',
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'animateTransform',
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'stop'
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]
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};
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/**
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* @param {PostHTMLTree} tree
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* @param {Object|null} [options] {@see https://github.com/posthtml/posthtml-render#options}
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*/
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module.exports = function xmlRenderer(tree, options) {
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const opts = merge(defaultOptions, options || {});
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/**
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* Workaround for https://github.com/fb55/htmlparser2/issues/187
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* Also see https://github.com/fb55/htmlparser2/pull/129
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*/
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opts.singleTags = opts.singleTags.filter((tag) => {
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let hasContent = false;
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api.match.call(tree, { tag }, (node) => {
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if (typeof node.content !== 'undefined' && !hasContent) {
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hasContent = true;
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}
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return node;
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});
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return !hasContent;
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});
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return renderer(tree, opts);
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};
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module.exports.defaultOptions = defaultOptions;
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