如何用nodejs 开发一个命令行交互工具
2024-08-27 12:55:58
一、npm package.json bin
1、package.json
{
"name": "test",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"bin": {
"gen": "bin/gen.js"
},
"dependencies": {
"commander": "^2.15.1"
}
}
2、bin/gen.js
#!/usr/bin/env node
var argv = process.argv;
var filePath = __dirname;
var currentPath = process.cwd(); console.log(argv)
console.log(filePath)
console.log(currentPath)
二、Commnader + inquirer + minimist + download-git-repo + ejs(Nunjucks、handlebars ) + execa (child_process)
Commander 示例
#!/usr/bin/env node
var program = require('commander'); program
.version('0.0.1')
.option('-C, --chdir <path>', 'change the working directory')
.option('-c, --config <path>', 'set config path. defaults to ./deploy.conf')
.option('-T, --no-tests', 'ignore test hook')
.option('-p, --peppers', 'Add peppers')
.option('-P, --pineapple', 'Add pineapple')
.option('-b, --bbq-sauce', 'Add bbq sauce')
.option('--p, --fuck-you', 'fuckyou')
.option('build --env <fuckyou>', 'fuckyou2')
.parse(process.argv); if (program.peppers) console.log(' - peppers');
if (program.pineapple) console.log(' - pineapple');
if (program.bbqSauce) console.log(' - bbq');
if (program.fuckYou) console.log('fuckyou');
if (program.env && program.args.length != 0) {
console.log(program.args);
} program
.command('init')
.description('run remote setup commands')
.action(function() {
console.log('setup');
}); program
.command('exec <cmd>')
.description('run the given remote command')
.action(function(cmd) {
console.log('exec "%s"', cmd);
}); program
.command('teardown <dir> [otherDirs...]')
.description('run teardown commands')
.action(function(dir, otherDirs) {
console.log('dir "%s"', dir);
if (otherDirs) {
otherDirs.forEach(function (oDir) {
console.log('dir "%s"', oDir);
});
}
});
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