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29 lines
834 B
JavaScript
29 lines
834 B
JavaScript
import memoizeCapped from './memoizeCapped.js'
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/** Used to match property names within property paths. */
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const reLeadingDot = /^\./
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const rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g
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/** Used to match backslashes in property paths. */
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const 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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const stringToPath = memoizeCapped(string => {
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const result = []
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if (reLeadingDot.test(string)) {
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result.push('')
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}
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string.replace(rePropName, (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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export default stringToPath
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