reduced lodash get() function in vanilla javascript

get.js

/**
 * https://gist.github.com/signalwerk/eadabea1fc42795ed8af2882693d20e1
 *
 * Return the value at `path` in `object`
 * @param {Object} object
 * @param {string|array} path
 * @returns {*} value if found otherwise undefined
 */
export const get = (object, path) => {
  let parts = path;
  if (typeof path === "string" || typeof path === "number") {
    parts = `${path}`.split(/[\.\[\]\"\']{1,2}/).filter((part) => !!part);
  }
  return parts.reduce((acc, part) => (acc ? acc[part] : undefined), object);
};

// thanks to https://stackoverflow.com/questions/6491463/accessing-nested-javascript-objects-and-arrays-by-string-path

/*

const test = {
  a: { aa: "get a.aa" },
  b: { bb: [0, "get a.bb[1]"] },
  c: { cc: false },
};

console.log("test A", get(test, "a.aa"));

console.log("test B", get(test, "b.bb[1]"));
console.log("test C", get(test, "b.['bb'][1]"));
console.log("test D", get(test, 'b.["bb"][1]'));

console.log("test E", get(test, ["b", "bb", 1]));

console.log("test F", get(test, ["b", "bb", 2]));
console.log("test G", get(test, "c.cc"));

*/