@react-native-firebase/app/lib/common/deeps.ts

A well tested, feature rich Firebase implementation for React Native, supporting iOS & Android. Individual module support for Admob, Analytics, Auth, Crash Reporting, Cloud Firestore, Database, Dynamic Links, Functions, Messaging (FCM), Remote Config, Sto

/*
 * Copyright (c) 2016-present Invertase Limited & Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this library except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import { isArray, isObject } from './validate';

/**
 * Deep get a value from an object.
 * @website https://github.com/Salakar/deeps
 * @param object
 * @param path
 * @param joiner
 * @returns {*}
 */
export function deepGet<T = unknown>(
  object: Record<string, unknown> | unknown[],
  path: string,
  joiner: string = '/',
): T | undefined {
  if (!isObject(object) && !Array.isArray(object)) {
    return undefined;
  }
  const keys = path.split(joiner);

  let i = 0;
  let tmp: unknown = object;
  const len = keys.length;

  while (i < len) {
    const key = keys[i++]!;
    if (!tmp || !Object.hasOwnProperty.call(tmp, key)) {
      return undefined;
    }
    tmp = (tmp as Record<string, unknown>)[key];
  }

  return tmp as T;
}

/**
 * Deep set a value
 * @param object
 * @param path
 * @param value
 * @param initPaths
 * @param joiner
 */
export function deepSet(
  object: Record<string, unknown>,
  path: string,
  value: unknown,
  initPaths: boolean = true,
  joiner: string = '.',
): boolean {
  if (!isObject(object)) {
    return false;
  }
  const keys = path.split(joiner);

  let i = 0;
  let _object: unknown = object;
  const len = keys.length - 1;

  while (i < len) {
    const key = keys[i++]!;
    if (initPaths && !Object.hasOwnProperty.call(object, key)) {
      (_object as Record<string, unknown>)[key] = {};
    }
    _object = (_object as Record<string, unknown>)[key];
  }

  if (isObject(_object) || (isArray(_object) && !Number.isNaN(keys[i]))) {
    (_object as Record<string, unknown>)[keys[i]!] = value;
  } else {
    return false;
  }

  return true;
}