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25 lines
786 B
25 lines
786 B
var memoize = require('./memoize'),
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toString = require('./toString');
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/** Used to match property names within property paths. */
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var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(\.|\[\])(?:\4|$))/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 = memoize(function(string) {
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var result = [];
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toString(string).replace(rePropName, function(match, number, quote, string) {
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result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
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});
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return result;
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});
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module.exports = stringToPath;
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