2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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'use strict';
exports.__esModule = true;
exports.default = canUnquote;
var _unquote = require('./unquote');
var _unquote2 = _interopRequireDefault(_unquote);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Can unquote attribute detection from mothereff.in
* Copyright Mathias Bynens <https://mathiasbynens.be/>
* https://github.com/mathiasbynens/mothereff.in
*/
var escapes = /\\([0-9A-Fa-f]{1,6})[ \t\n\f\r]?/g;
var range = /[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/;
function canUnquote(value) {
value = (0, _unquote2.default)(value);
if (value === '-' || value === '') {
return false;
}
value = value.replace(escapes, 'a').replace(/\\./g, 'a');
return !(range.test(value) || /^(?:-?\d|--)/.test(value));
}
module.exports = exports['default'];
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