2016-09-17 22:28:43 -07:00
|
|
|
import memoizeCapped from './_memoizeCapped.js';
|
2015-04-15 20:56:31 -07:00
|
|
|
|
|
|
|
|
/** Used to match property names within property paths. */
|
2018-02-02 21:11:07 -08:00
|
|
|
var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
|
2015-04-15 20:56:31 -07:00
|
|
|
|
|
|
|
|
/** Used to match backslashes in property paths. */
|
|
|
|
|
var reEscapeChar = /\\(\\)?/g;
|
|
|
|
|
|
|
|
|
|
/**
|
2015-09-17 17:52:09 -07:00
|
|
|
* Converts `string` to a property path array.
|
2015-04-15 20:56:31 -07:00
|
|
|
*
|
|
|
|
|
* @private
|
2015-09-17 17:52:09 -07:00
|
|
|
* @param {string} string The string to convert.
|
2015-04-15 20:56:31 -07:00
|
|
|
* @returns {Array} Returns the property path array.
|
|
|
|
|
*/
|
2016-09-17 22:28:43 -07:00
|
|
|
var stringToPath = memoizeCapped(function(string) {
|
2015-04-15 20:56:31 -07:00
|
|
|
var result = [];
|
2018-02-02 21:11:07 -08:00
|
|
|
if (string.charCodeAt(0) === 46 /* . */) {
|
2016-07-27 17:41:16 -07:00
|
|
|
result.push('');
|
|
|
|
|
}
|
2018-02-02 21:11:07 -08:00
|
|
|
string.replace(rePropName, function(match, number, quote, subString) {
|
|
|
|
|
result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
|
2015-04-15 20:56:31 -07:00
|
|
|
});
|
|
|
|
|
return result;
|
2016-03-26 00:00:36 -07:00
|
|
|
});
|
2015-04-15 20:56:31 -07:00
|
|
|
|
2015-09-17 17:52:09 -07:00
|
|
|
export default stringToPath;
|
