@shopify/polaris/dist/esm/utilities/get.js

Shopify’s product component library

var OBJECT_NOTATION_MATCHER = /\[(.*?)\]|(\w+)/g;
function get(obj, keypath, defaultValue) {
  if (obj == null) return undefined;
  var keys = Array.isArray(keypath) ? keypath : getKeypath(keypath);
  var acc = obj; // eslint-disable-next-line @typescript-eslint/prefer-for-of

  for (var i = 0; i < keys.length; i++) {
    var val = acc[keys[i]];
    if (val === undefined) return defaultValue;
    acc = val;
  }

  return acc;
}

function getKeypath(str) {
  var path = [];
  var result;

  while (result = OBJECT_NOTATION_MATCHER.exec(str)) {
    var [, first, second] = result;
    path.push(first || second);
  }

  return path;
}

export { get };