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27 lines
838 B
27 lines
838 B
import memoizeCapped from './_memoizeCapped.js'; |
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/** Used to match property names within property paths. */ |
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var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g; |
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/** Used to match backslashes in property paths. */ |
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var reEscapeChar = /\\(\\)?/g; |
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/** |
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* Converts `string` to a property path array. |
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* |
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* @private |
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* @param {string} string The string to convert. |
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* @returns {Array} Returns the property path array. |
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*/ |
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var stringToPath = memoizeCapped(function(string) { |
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var result = []; |
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if (string.charCodeAt(0) === 46 /* . */) { |
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result.push(''); |
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} |
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string.replace(rePropName, function(match, number, quote, subString) { |
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result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match)); |
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}); |
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return result; |
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}); |
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export default stringToPath;
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