Diffusion Open Access Compliance Check Tool (OACCT) (issn4frontend) Browse

rOACCT/node_modules/csso/lib/replace/AttributeSelector.js
49c99f97fe9aissn4frontend

AttributeSelector.js
View Options

			// Can unquote attribute detection
			// Adopted implementation of Mathias Bynens
			// https://github.com/mathiasbynens/mothereff.in/blob/master/unquoted-attributes/eff.js
			var escapesRx = /\\([0-9A-Fa-f]{1,6})(\r\n\|[ \t\n\f\r])?\|\\./g;
			var blockUnquoteRx = /^(-?\d\|--)\|[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/;

			function canUnquote(value) {
			if (value === '' \|\| value === '-') {
			return;
			}

			// Escapes are valid, so replace them with a valid non-empty string
			value = value.replace(escapesRx, 'a');

			return !blockUnquoteRx.test(value);
			}

			module.exports = function(node) {
			var attrValue = node.value;

			if (!attrValue \|\| attrValue.type !== 'String') {
			return;
			}

			var unquotedValue = attrValue.value.replace(/^(.)(.*)\1$/, '$2');
			if (canUnquote(unquotedValue)) {
			node.value = {
			type: 'Identifier',
			loc: attrValue.loc,
			name: unquotedValue
			};
			}
			};