nodejs custom command line tool
This time I bring you the nodejs custom command line tool. What are the precautions for the nodejs custom command line tool? Here is a practical case, let’s take a look.
1. Implement a simple function
##2. Environment
1. System: window 102.
Editor: vscode3.node version: 8.7.0
3. Start playing
1. Open the command line and create a new pa'ckage.jsonnpm init
{
"name": "my-cli",
"version": "1.0.0",
"description": "",
"main": "index.js",
"bin": { // 增加bin属性
"auto": "./bin/cli.js"
// 左边的crp是定义的命令行的名字,可以自己随便取, 右边是命令行输入 crp 时会执行的文件(一定要在bin文件夹下)
},
"scripts": {
},
"keywords": [],
"author": "",
"license": "ISC"
}console.log('hello world')npm link
#! /usr/bin/env node
const fs = require('fs')
const exec = require('child_process').exec
var args = process.argv.slice(2) // 可以通过process.argv这里获得你输入的参数
//读取内容(在当前的目录下新建template文件夹和加入一个template.vue的模板)
var content = fs.readFileSync('./template/template.vue')
//生成内容
fs.writeFileSync(args[0], content)
// 使用vscode打开
exec('code ' + args[0])Detailed explanation of the steps for using el expressions in js
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