You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
32 lines
797 B
32 lines
797 B
'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;
|
|
|