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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 1x 1x 1x 1x 1x | const charCodeOfDot = ".".charCodeAt(0);
const reEscapeChar = /\\(\\)?/g;
const rePropName = RegExp(
// Match anything that isn't a dot or bracket.
"[^.[\\]]+" +
"|" +
// Or match property names within brackets.
"\\[(?:" +
// Match a non-string expression.
"([^\"'][^[]*)" +
"|" +
// Or match strings (supports escaping characters).
"([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2" +
")\\]" +
"|" +
// Or match "" as the space between consecutive dots or empty brackets.
"(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))",
"g"
);
/**
* Converts `string` to a property path array.
*
* @private
* @param {string} string The string to convert.
* @returns {Array} Returns the property path array.
*/
const stringToPath = string => {
const result = [];
if (string.charCodeAt(0) === charCodeOfDot) {
result.push("");
}
string.replace(rePropName, (match, expression, quote, subString) => {
let key = match;
if (quote) {
key = subString.replace(reEscapeChar, "$1");
} else if (expression) {
key = expression.trim();
}
result.push(key);
});
return result;
};
module.exports = stringToPath;
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