source: trip-planner-front/node_modules/webpack/lib/util/propertyAccess.js@ e29cc2e

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

"use strict";

const SAFE_IDENTIFIER = /^[_a-zA-Z$][_a-zA-Z$0-9]*$/;

const propertyAccess = (properties, start = 0) => {
        let str = "";
        for (let i = start; i < properties.length; i++) {
                const p = properties[i];
                if (`${+p}` === p) {
                        str += `[${p}]`;
                } else if (SAFE_IDENTIFIER.test(p)) {
                        str += `.${p}`;
                } else {
                        str += `[${JSON.stringify(p)}]`;
                }
        }
        return str;
};

module.exports = propertyAccess;