artesanias/node_modules/underscore/amd/result.js

define(['./isFunction', './isArray'], function (isFunction, isArray) {

  // Traverses the children of `obj` along `path`. If a child is a function, it
  // is invoked with its parent as context. Returns the value of the final
  // child, or `fallback` if any child is undefined.
  function result(obj, path, fallback) {
    if (!isArray(path)) path = [path];
    var length = path.length;
    if (!length) {
      return isFunction(fallback) ? fallback.call(obj) : fallback;
    }
    for (var i = 0; i < length; i++) {
      var prop = obj == null ? void 0 : obj[path[i]];
      if (prop === void 0) {
        prop = fallback;
        i = length; // Ensure we don't continue iterating.
      }
      obj = isFunction(prop) ? prop.call(obj) : prop;
    }
    return obj;
  }

  return result;

});