app/node_modules/langsmith/dist/utils/lodash/stringToPath.js

// @ts-nocheck
import memoizeCapped from "./memoizeCapped.js";
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 = memoizeCapped((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;
});
export default stringToPath;