'use strict'; // Can unquote attribute detection // Adopted implementation of Mathias Bynens // https://github.com/mathiasbynens/mothereff.in/blob/master/unquoted-attributes/eff.js const blockUnquoteRx = /^(-?\d|--)|[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/; function canUnquote(value) { if (value === '' || value === '-') { return false; } return !blockUnquoteRx.test(value); } function AttributeSelector(node) { const attrValue = node.value; if (!attrValue || attrValue.type !== 'String') { return; } if (canUnquote(attrValue.value)) { node.value = { type: 'Identifier', loc: attrValue.loc, name: attrValue.value }; } } module.exports = AttributeSelector;