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从0开发一个自己的npm包

2022-07-28 11:10:00 【卷王出征】

之前写过一些npm包，但是每次都会忘记具体流程，今天做个简单记录。

一、注册npm账号

https://www.npmjs.com

二、开发自己的npm包

1. 初始化npm包

npm init

生成package.json文件

{
  "name": "create-random-value",
  "version": "1.0.0",
  "description": "通过传参生成指定长度的随机字符串",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [
    "random",
    "string",
    "node",
    "vue"
  ],
  "author": "fujinting",
  "license": "ISC"
}

2. 开发npm包

"use strict";

const number = "123467890";
const bigLetter = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const smallLetter = "abcdefghijklmnopqrstuvwxyz";
const punctuation = "[email protected]#$%^&*()_+-=[]{}|;:,./<>?";

function random(length, option) {
  let char = "";
  let result = "";

  length || (length = 8);
  option || (option = {});

  if (option === true) {
    char = number + bigLetter + smallLetter + punctuation;
  } else if (typeof option == "string") {
    char = option;
  } else {
    if (option.number !== false) {
      char += typeof option.number == "string" ? option.number : number;
    }

    if (option.bigLetter !== false) {
      char +=
        typeof option.bigLetter == "string" ? option.bigLetter : bigLetter;
    }
    if (option.smallLetter !== false) {
      char +=
        typeof option.smallLetter == "string"
          ? option.smallLetter
          : smallLetter;
    }

    if (option.punctuation) {
      char +=
        typeof option.punctuation == "string"
          ? option.punctuation
          : punctuation;
    }
  }

  while (length > 0) {
    length--;
    result += char[Math.floor(Math.random() * char.length)];
  }
  return result;
}
module.exports = random;

这是一个根据传入的参数，生成随机字符串的插件，使用文档下篇文章会给出，大家也可以下载使用下。