56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
'use strict';
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exports.name = 'cleanupAttrs';
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exports.type = 'visitor';
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exports.active = true;
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exports.description =
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'cleanups attributes from newlines, trailing and repeating spaces';
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const regNewlinesNeedSpace = /(\S)\r?\n(\S)/g;
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const regNewlines = /\r?\n/g;
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const regSpaces = /\s{2,}/g;
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/**
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* Cleanup attributes values from newlines, trailing and repeating spaces.
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*
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* @author Kir Belevich
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*
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* @type {import('../lib/types').Plugin<{
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* newlines?: boolean,
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* trim?: boolean,
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* spaces?: boolean
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* }>}
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*/
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exports.fn = (root, params) => {
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const { newlines = true, trim = true, spaces = true } = params;
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return {
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element: {
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enter: (node) => {
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for (const name of Object.keys(node.attributes)) {
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if (newlines) {
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// new line which requires a space instead of themselve
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node.attributes[name] = node.attributes[name].replace(
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regNewlinesNeedSpace,
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(match, p1, p2) => p1 + ' ' + p2
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);
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// simple new line
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node.attributes[name] = node.attributes[name].replace(
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regNewlines,
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''
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);
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}
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if (trim) {
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node.attributes[name] = node.attributes[name].trim();
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}
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if (spaces) {
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node.attributes[name] = node.attributes[name].replace(
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regSpaces,
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' '
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);
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}
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}
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},
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},
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};
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};
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