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@llius/jsonbin-db

v0.1.2

Published

将jsonbin.org作为数据库,提供增删改查的能力

Downloads

2

Readme

jsonbin-db

项目介绍

写这个项目的原因在于,在将自己 nextjs 服务部署到 vercel 时,有一定的限制

  1. 不能使用本地文件系统(Serverless不允许操作本地文件系统)
  2. 不能使用数据库(数据库的费用昂贵)
  3. 不能使用本地缓存(每次部署后本地数据都会重置)

于是有了这个项目,将 json 数据作为持久化 db 使用,可以对 json 进行增删读写作为远端db使用,提供增删改查的能力

  1. 所以寻找了一些免费的json存储服务,最终选择了jsonbin.org
  2. 能够有免费的存储空间,且提供了api接口,可以对json进行增删改查

接入方式

安装埋点SDK

pnpm i @llius/jsonbin-db

项目使用

import { JsonBinDb } from '@llius/jsonbin-db'

// https://jsonbin.org 申请的apikey
const db = new JsonBinDb({
  username: 'YOUR_NAME',
  dbName: 'CUSTOM_FILE_NAME',
  apikey: ''
})

const initDb = async () => {
  await db.initBin()

  // 获取所有数据
  await db.getObjectDefault('.')

  // 存储数据
  await db.push('.list', [
    { id: 0, name: 'test1' },
    { id: 1, name: 'test2' },
    { id: 2, name: 'test3'},
    { id: 3, name: 'test4'}
  ])

  // 获取某个字段的值,如果没获取到,则设置默认值为{}
  await db.getObjectDefault('.list[0].name', {})

  // 获取某个 id 的下标
  await db.getIndex(`.list`, 0) // output -> 0
  // 获取某个字段的index
  await db.getIndex(`.list`, 'test2', 'name') // output -> 1

  // 删除某个字段
  await db.delete('.list')
  // 删除某个字段的某个值
  await db.delete('.list[0].name')
  // 删除所有
  await db.delete('.')
}
initDb()

初始化字段说明

| 字段 | 说明 | 类型 | 默认值 | | --- | --- | --- | --- | | username | jsonbin.org 用户名 | string | - | | dbName | 自定义存储的文件名 | string | - | | apikey | jsonbin.org apikey | string | - |


常用 API

可参考 node-json-db 项目中的 API 使用

| API | 说明 | 参数 | 返回值 | | --- | --- | --- | --- | | initBin | 初始化 bin | - | - | | getData | 获取数据 | path: string | any | | getObjectDefault | 获取数据,如果获取不到,则设置默认值 | path: string, defaultValue: any | any | | count | 获取数据长度 | path: string | number | | getIndex | 获取某个字段的下标 | path: string, value: any, field?: string | number | | push | 存储数据 | path: string, data: any | - | | delete | 删除数据 | path: string | - |