source: imaps-frontend/node_modules/webpack/lib/util/propertyAccess.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const { SAFE_IDENTIFIER, RESERVED_IDENTIFIER } = require("./propertyName");

/**
 * @param {ArrayLike<string>} properties properties
 * @param {number} start start index
 * @returns {string} chain of property accesses
 */
const propertyAccess = (properties, start = 0) => {
        let str = "";
        for (let i = start; i < properties.length; i++) {
                const p = properties[i];
                if (`${Number(p)}` === p) {
                        str += `[${p}]`;
                } else if (SAFE_IDENTIFIER.test(p) && !RESERVED_IDENTIFIER.has(p)) {
                        str += `.${p}`;
                } else {
                        str += `[${JSON.stringify(p)}]`;
                }
        }
        return str;
};

module.exports = propertyAccess;