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uniquener

v1.5.1

Published

A unique code generator by format

Downloads

15

Readme

A unique code generator

README.en.md

/**
 * ouput:
 *  'f26b0ca7-6bc9-5f0d-863e-e867318fc484'
 *  '0fbd8373-3072-5b20-9ad8-9d407a45999f'
 */
Uniquener()
Uniquener()

/**
 * ouput:
 *  'b682-9ce4-50cc'
 *  '50f0-9p2b-4421'
 */
Uniquener({ format: '????-9[a-f,o,p,q]??-???[1,8,a,c]' })
Uniquener({ format: '????-9[a-f,o,p,q]??-???[1,8,a,c]' })

/**
 * ouput:
 *  '20221125030308622|stamp:1669316588622'
 *  '2022-11-25 03:04:51:983|stamp:1669316691983'
 *  '2022-11-25-03-05-20-560|stamp:1669316720560'
 */
Uniquener({ format: '[time:YYYYMMDDHHmmssiii]|stamp:[time:stamp]' })
Uniquener({ format: '[time:YYYY-MM-DD HH:mm:ss:iii]|stamp:[time:stamp]' })
Uniquener({ format: '[time:YYYY-MM-DD-HH-mm-ss-iii]|stamp:[time:stamp]' })

/**
 * ouput:
 *  '3793-1f?-572-??08'
 *  'e2b1-ef?-61d-??58'
 *  'rqff-q9?-5fq-??e8'
 *  'b2s5-c9?-5xj-??m8'
 */
Uniquener({ format: '####-#[9,f]?-[5-6]##-??#[1,8]', radix: 10, random: '#' })
Uniquener({ format: '####-#[9,f]?-[5-6]##-??#[1,8]', radix: 16, random: '#' })
Uniquener({ format: '####-#[9,f]?-[5-6]##-??#[1,8]', radix: 26, random: '#' })
Uniquener({ format: '####-#[9,f]?-[5-6]##-??#[1,8]', radix: 36, random: '#' })

Run View

https://linpengteng.github.io/example/uniquener

Browser

  <script src="https://linpengteng.github.io/resource/uniquener/index.browser.js"></script>

Installation

  yarn add uniquener
  pnpm add uniquener

Usage

  import Uniquener from 'uniquener'

  Uniquener({
    radix: 16,
    random: '?',
    format: '????????-????-[1-5]???-[8-b]???-????????????',
    algorithm: 'Math.random',
    usedUniques: null,
    listenCacherHandler: null,
    reduplicateHandler: null,
    throwErrorHandler: null,
    reduplicateExit: true,
    onlyUpdate: false,
    tryCount: 10
  })

API - Uniquener Cacher

存储 Unique code 缓存区(Set<string>), 不可直接引用
每次 Uniquener 新生成,都会调用 listenCacherHandler 传输 Cacher 副本

API - Uniquener Options

radix - 进制数

类型:2 | 8 | 10 | 16 | 26 | 36

默认:16

值 2:0-1;
值 8:0-7;
值 10:0-9;
值 16:0-9 And a-f;
值 26:a-z;
值 36:0-9 And a-z;

format - 模版格式

类型:string

默认:'????????-????-[1-5]???-[8-b]???-????????????'

注1:? => 进制范围内的值随机生成
注2:[] => 区间范围内的值随机生成
注3:[time:xxx] => 按时间顺序生成
[time:YYYY] 年
[time:MM] 月
[time:DD] 天
[time:HH] 时
[time:mm] 分
[time:ss] 秒
[time:iii] 毫秒
[time:stamp] 时间戳

random - 随机占位符

类型:'?' | '*' | '#'

默认:'?'

algorithm - 随机所用算法

类型:'Math.random' | 'crypto.getRandomValues'

默认:'Math.random'

说明:在 Node 中使用 crypto.getRandomValues,需 node 版本 >= 17.4.0

tryCount - 尝试重新生成的次数

类型:number+

默认:10

说明:尝试 tryCount 次生成还重复时,则调用 reduplicateHandler 或 抛出异常

usedUniques -已使用过的 Unique code

类型:Array<string> | Set<string>

默认:null

说明:调用 Uniquener 时会储存至 Uniquener Cacher 中

listenCacherHandler - Uniquener Cacher 监听器

类型:(options: Set<string>) => void;

默认:(_: Set) => {}

说明:Cacher 每次变动则会调用此函数,同步服务端 [Used unique code]
注意:options 为 Uniquener Cacher 副本

reduplicateHandler - Unique code 重复时, 扩容 format

类型:(options: Options) => Options;

默认:null

说明:函数中 options 并非拷贝,而是引用 Uniquener Options
注意:仅在 reduplicateExit 为 false 时启用

reduplicateExit - Unique code 重复时, 是否抛出异常

类型:boolean

默认:true

throwErrorHandler - 抛出异常前处理 (finally)

类型:(options: Set<string>) => void;

默认:null

说明:options 为 Uniquener Cacher 副本

onlyUpdate - 是否仅更新 Uniquener Cacher

类型:boolean

默认:false

说明:值为 true 时,会调用 listenCacherHandler
注意:Uniquener 不参与生成,会返回空字符串

许可证

MIT