Cannot find module 'lowdb'

yarn add lowdb --save

• testlowdb.js

const low = require('lowdb');
const FileSync = require('lowdb/adapters/FileSync');

const adapter = new FileSync('./db.json');
const db = low(adapter);

db.defaults({posts: [], user: {}, count: 0 }).write();

安装后执行node testlowdb.js 报错 , lowdb 找不到
lowdb 安装版本问题,默认最新的,3的版本,指定1.0.0 版本安装即可

• yarn add lowdb@1.0.0 --save

• https://v2as.com/article/c5f32bce-de7b-44b1-849c-caf40e3334de

• https://www.cnblogs.com/911sky/p/14188757.html

• https://www.cnblogs.com/tugenhua0707/p/11403202.html