Last change
on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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1 | var memoizeCapped = require('./_memoizeCapped');
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2 |
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3 | /** Used to match property names within property paths. */
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4 | var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
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5 |
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6 | /** Used to match backslashes in property paths. */
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7 | var reEscapeChar = /\\(\\)?/g;
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8 |
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9 | /**
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10 | * Converts `string` to a property path array.
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11 | *
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12 | * @private
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13 | * @param {string} string The string to convert.
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14 | * @returns {Array} Returns the property path array.
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15 | */
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16 | var stringToPath = memoizeCapped(function(string) {
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17 | var result = [];
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18 | if (string.charCodeAt(0) === 46 /* . */) {
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19 | result.push('');
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20 | }
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21 | string.replace(rePropName, function(match, number, quote, subString) {
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22 | result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
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23 | });
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24 | return result;
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25 | });
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26 |
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27 | module.exports = stringToPath;
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