33 lines
No EOL
1 KiB
JavaScript
Executable file
33 lines
No EOL
1 KiB
JavaScript
Executable file
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = removeEmptyAttributes;
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// Source: https://www.w3.org/TR/html4/sgml/dtd.html#events (Generic Attributes)
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var safeToRemoveAttrs = ['id', 'class', 'style', 'title', 'lang', 'dir', 'onclick', 'ondblclick', 'onmousedown', 'onmouseup', 'onmouseover', 'onmousemove', 'onmouseout', 'onkeypress', 'onkeydown', 'onkeyup'];
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/** Removes empty attributes */
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function removeEmptyAttributes(tree) {
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tree.walk(function (node) {
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if (!node.attrs) {
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return node;
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}
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Object.keys(node.attrs).forEach(function (attrName) {
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var attrNameLower = attrName.toLowerCase();
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if (safeToRemoveAttrs.indexOf(attrNameLower) === -1) {
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return;
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}
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var attrValue = node.attrs[attrName];
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if (attrValue === '' || (attrValue || '').match(/^\s+$/)) {
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delete node.attrs[attrName];
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}
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});
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return node;
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});
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return tree;
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} |