一个微小(134B) 快速的实用程序，用于生成固定长度的随机ID

一个微小(134B) 快速的实用程序，用于生成固定长度的随机ID

A tiny (134B) and fast utility to generate random IDs of fixed length

Fast object IDs. Available for Node.js and the browser.Generate randomized output strings of fixed length using lowercase alphanumeric characters (a-z0-9).

Notice: Please note that this is not a cryptographically secure (CSPRNG) generator.

Additionally, this module is delivered as:

CommonJS: dist/index.jsES Module: dist/index.mjsUMD: dist/index.min.js

Install

$ npm install --save foid

Usage

import foid from 'foid';// length = 11 (default)foid(); //=> 'fsm2vsgo1pr'foid(); //=> 'gf34sezvoh6'// customize lengthfoid(16); //=> 'zbb6cc3ay26omrdz'foid(25); //=> 'lljjmo3f39rnjudsgqvzta1rb'foid(32); //=> 'yrfiw88qlq1fgpm40lguz6u43gksfj4a'

API

foid(length?)

Returns: String

Creates a new random identifer of fixed length.

length

Type: Number Default: 11

Then length of the output string.

Important: Your risk of collisions decreases with longer strings!

Benchmarks

Running on Node.js v10.13.0

Validation (length = 11): ✔ hashids/fixed (example: "QWjnegYbwZ1") ✔ nanoid (example: "bg7EJCm_Nqr") ✔ foid (example: "20075xrt1pu")Benchmark (length = 11): hashids/fixed x 358,492 ops/sec ±2.03% (98 runs sampled) nanoid x 455,771 ops/sec ±0.23% (98 runs sampled) foid x 4,917,033 ops/sec ±0.44% (93 runs sampled)Validation (length = 16): ✔ hashids/fixed (example: "LkQWjnegYbwZ1p0G") ✔ nanoid (example: "AAT4FkNDn-aHq85-") ✔ foid (example: "o35hr3fodrvl08wd")Benchmark (length = 16): hashids/fixed x 359,151 ops/sec ±0.20% (97 runs sampled) nanoid x 475,616 ops/sec ±0.22% (95 runs sampled) foid x 3,622,540 ops/sec ±0.16% (91 runs sampled)Validation (length = 25): ✔ cuid (example: "ck7bmh0fy0000ig7c516i9dx3") ✔ hashids/fixed (example: "r9JOyLkQWjnegYbwZ1p0GDXNm") ✔ nanoid (example: "xzNUa5jeWSUFAB9jzmaZpCMaV") ✔ foid (example: "3q87leuz1iiu4easjqsrgcj5i")Benchmark (length = 25): cuid x 158,939 ops/sec ±0.61% (93 runs sampled) hashids/fixed x 330,830 ops/sec ±2.90% (96 runs sampled) nanoid x 433,802 ops/sec ±0.34% (93 runs sampled) foid x 2,446,284 ops/sec ±0.39% (97 runs sampled)Validation (length = 36): ✔ uuid/v1 (example: "9dbdc9b0-5d27-11ea-a6bf-3be13a6bca5a") ✔ uuid/v4 (example: "d1846c4b-6794-4c1e-89ea-30ed21e24c40") ✔ hashids/fixed (example: "EVq3Pr9JOyLkQWjnegYbwZ1p0GDXNmRBlAxg") ✔ @lukeed/uuid (example: "eb9fac31-53af-4699-9205-9b1d23474b6b") ✔ nanoid (example: "wf9fq-M_-1SCrSBQEBOtFhLgGm2LLTeuiJKl") ✔ foid (example: "k98vi4c6lf77oc8ngerrkv3xtr0nvtkup1mg")Benchmark (length = 36): uuid/v1 x 1,509,781 ops/sec ±0.16% (98 runs sampled) uuid/v4 x 335,638 ops/sec ±1.02% (91 runs sampled) hashids/fixed x 322,714 ops/sec ±0.20% (97 runs sampled) @lukeed/uuid x 6,368,185 ops/sec ±0.23% (96 runs sampled) nanoid x 399,746 ops/sec ±0.26% (96 runs sampled) foid x 1,772,239 ops/sec ±0.18% (97 runs sampled)

Related

@lukeed/uuid - A tiny (230B), fast, and cryptographically secure UUID (V4) generator for Node and the browser

License

MIT © Luke Edwards

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