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@ignorance/validator

v1.1.91

Published

common JS validator

Downloads

89

Readme

@ignorange/validator

一个 js 通用校验库

特色

  1. 支持校验单个字段
  2. 支持校验多个字段(遇到第一个错误提前退出)
  3. 支持校验多个字段(坚持校验完所有字段,输出汇总的校验信息)
  4. 以上三种校验方式都有对应的异步校验方式(异步校验有两种判定校验不通过的方式:一种是 reject,一种是 resolve(false)
  5. 支持异步和同步两种方式混合校验
  6. 支持扩展校验正则规则
  7. 支持扩展自定义校验方法
  8. 支持动态校验

安装

npm i @ignorance/validator

基础用法

import { createValidator } from '@ignorance/validator'

const ruleConfig = {
  name: [
    {
      validator: 'required',
      msg: '必填',
    },
    {
      validator: 'min:2 max:6',
      msg: '长度在 2 ~ 6 之间',
    },
  ],
}

const { verify } = createValidator(ruleConfig)

verify({ name: 'lasa' })
// output { name: 'name', valid: false, msg: '长度在 2 ~ 6 之间' }

API

单个字段的同步(verifySingle)

const ruleConfig = {
  name: [
    {
      validator: 'required',
      msg: '必填',
    },
    {
      validator: 'min:2 max:6',
      msg: '长度在 2 ~ 6 之间',
    },
  ],
}

const { verifySingle, verifySingleAsync } = createValidator(ruleConfig)

verifySingle('hehe', 'min:2 max:6')
// output { valid: false, msg: '长度在 2 ~ 6 之间' }

单个字段异步校验(verifySingleAsync)

const ruleConfig = {
  name: [
    {
      validator: (val) => Promise.resolve(false), // 异步校验函数
      msg: '异步校验不通过',
    },
  ],
}

const { verifySingleAsync } = createValidator(ruleConfig)

;async () => {
  const res = await verifySingleAsync('name', '')
  // output { valid: false, msg: '异步校验不通过' }
}

校验多个字段,遇到第一个错误提前退出(verify)

nameaddr 两个字段都不符合规则,但是当它校验到第一个错误时就会跳出,不再继续校验 addr 字段。

const ruleConfig = {
  name: [
    { validator: 'required', msg: '必填' },
    {
      validator: (val) => val.length >= 2 && val.length <= 6,
      msg: '长度在 2 ~ 6 之间',
    },
  ],
  addr: [{ validator: 'required', msg: '必填' }],
}

const { verify } = createValidator(ruleConfig)

verify({
  name: 'v',
  addr: '',
})
// output { name: 'name', valid: false, msg: '长度在 2 ~ 6 之间' }

异步校验多个字段,遇到第一个错误提前退出(verifyAsync)

用法与 verify 类似,同时支持同步与异步校验规则,返回结果通过 Promise 包装。

校验所有字段,返回所有结果(verifyAll)

用法与 verify 一致,区别在于 verifyAll 会返回所有校验结果。

verify({
  name: 'v',
  addr: '',
})
/*
{
  name: { name: 'name', valid: false, msg: '长度在 2 ~ 6 之间' },
  addr: { name: 'addr', valid: false, msg: '必填' }
}
*/

异步校验所有字段,返回所有结果(verifyAllAsync)

用法与 verifyAll 类似,同时支持同步与异步校验规则,返回结果通过 Promise 包装。

动态校验

verify 支持传入第二个参数,表示指定需要校验的字段。

verify(
  {
    name: 'v',
    addr: '',
  },
  ['addr']
)
// { name: 'addr', valid: false, msg: '必填' }

扩展规则

扩展正则规则

import { extendRegexpRule } from '@ignorance/validator'

extendRegexpRule({
  ownReg: /[0-9a-z]/,
})

// 扩展规则之后,在定义规则配置的时候,可以用这种写法
const ruleConfig = {
  name: [{ validator: 'ownReg', msg: '自己扩展的正则校验规则' }],
}

扩展自定义规则

import { extendRegexpRule } from '@ignorance/validator'
extendValidator({
  ownRule: (val) => val > 999,
})
// 扩展规则之后,在定义规则配置的时候,可以用这种写法
const ruleConfig = {
  name: [{ validator: 'ownRule', msg: '自己扩展的校验规则' }],
}