Function replacePointers

src/RestQuery.js:1324–1356

(object, path, replace)

// Returns something analogous to object, but with the appropriate
// pointers inflated.
function replacePointers(object, path, replace) {
  if (Array.isArray(object)) {
    return object
      .map(obj => replacePointers(obj, path, replace))
      .filter(obj => typeof obj !== 'undefined');
  }

  if (typeof object !== 'object' || !object) {
    return object;
  }

  if (path.length === 0) {
    if (object && object.__type === 'Pointer') {
      return replace[object.objectId];
    }
    return object;
  }

  var subobject = object[path[0]];
  if (!subobject) {
    return object;
  }
  var newsub = replacePointers(subobject, path.slice(1), replace);
  var answer = {};
  for (var key in object) {
    if (key == path[0]) {
      answer[key] = newsub;
    } else {
      answer[key] = object[key];
    }
  }
  return answer;
}

// Finds a subobject that has the given key, if there is one.
// Returns undefined otherwise.