brain-vue-cli/libs/program/command.ts

A command line tool used to run projects

const path = require('path');

const program = require('commander');
const chalk = require('chalk'); 
import programInit from './index';
import {PRODUCTION, DEV,DIST} from '../constants/constants';
import { log } from '../utils/logs';
import webpackDllCompiler from '../settings/webpackDllCompiler';

export class Command{
    program:any;
    commands = ['build','start','dev','dll'];
    env={'dev':'开发环境','dist':'预发布环境','prod':'生产环境','test':'测试环境'}
    constructor(){
        this.program=program;
    }
    setProcessEnv(env:string){
        if(env==='dev'){
            process.env.environment=DEV;
            process.env.NODE_ENV=DEV;
        }
        else if(env==='dist'){
            process.env.environment=DIST;
            process.env.NODE_ENV=PRODUCTION;
        }
        else if(env==='prod'){
            process.env.environment=PRODUCTION;
            process.env.NODE_ENV=PRODUCTION;
        }
        else if(env==='test'){
            process.env.environment='test';
            process.env.NODE_ENV=PRODUCTION;
        }
        else if(env==='report'){
            process.env.environment='report';
            process.env.NODE_ENV=PRODUCTION;
        }
    }
    setApps(options){
        process.env.apps='';  
        if(options&&options['apps']){
          if(typeof options['apps']!=='boolean'){
              process.env.apps=options['apps'];
          }
        }
    }
    version(){
       const pkg=require(path.resolve(__dirname,'../../package.json'));
       this.program.version(pkg.version);
    }
    option(){
        this.program
        .option('-V,--version','output the version number')
        .description(`${chalk.green('the vue for webpack building tool')}`)
    }
    dev() {
        this.program
          .command('dev')
          .option('--apps [value]', 'webpack Build a specified app name')
          .description('start webpack dev server for develoment mode')
          .action((options) => {
            let env='dev';
            this.setProcessEnv(env);
            this.setApps(options);
            log(`当前编译环境为: ${process.env.NODE_ENV} [${this.env[env]}]`);
            programInit(env);
          });
    }
    start() {
        this.program
          .command('start')
          .option('--apps [value]', 'webpack Build a specified app name')
          .description('start webpack dev server for develoment mode')
          .action(options => {
            let env='dev';
            this.setProcessEnv(env);
            this.setApps(options);
            log(`当前编译环境为: ${process.env.NODE_ENV} [${this.env[env]}]`);
            programInit(env);
          });
    }
    dll() {
        this.program
          .command('dll')
          .description('webpack dll build')
          .action(async (env) => {
            /**
               * 按需创建编译webpack dll manifest文件
            */
            await webpackDllCompiler();
          });
    }
    build() {
        this.program
          .command('build [env]')
          .option('-s', 'webpack build size analyzer tool, support size: default analyzer')
          .option('--apps [value]', 'webpack Build a specified app name')
          .description('webpack building')
          .action((env = 'prod', options) => {
             this.setProcessEnv(options.S?'report':env);
             this.setApps(options);
             log(`当前编译环境为: ${process.env.NODE_ENV} [${this.env[env]}]`);
             programInit(env);
          });
    }
    command() {
        this.commands.forEach(cmd => {
          if (this[cmd]) {
            this[cmd].apply(this);
          } else {
            console.log(chalk.red(`The command [${cmd}] is not implemented!`));
          }
        });
    }
    
    parse() {
        this.program.parse(process.argv);
    }
    run() {
        this.version();
        this.option();
        this.command();
        this.parse();
    }
}