jmms/generators/create/project/index.js

Jmms cli tools, Jmms is a java meta-micro-service framework

const _       = require('lodash');
const log     = require('../../log');
const path    = require('path');
const fs      = require('fs');
const chalk   = require('chalk');
const shelljs = require('shelljs');
const mkdirp  = require('mkdirp');

var BaseGenerator = require('../../base');

module.exports = class extends BaseGenerator {
    constructor(args, opts) {
        super(args, opts, false);
    }

    initializing() {
        this.projectName = this.options['name'];
        this.projectDir  = this.options.projectDir;
        if(!this.projectDir) {
            this.projectDir  = path.join(this.destinationRoot(), this.projectName);
            this.checkExists = true;
        }else {
            this.checkExists = false;
        }
    }

    writing() {
        //todo: user input
        const vars = {};
        _.merge(vars, require("../../vars"))
        vars.name       = this.projectName;
        vars.groupId    = 'services';
        vars.artifactId = vars.name;
        vars.version    = '1.0.0-SNAPSHOT';

        //Check is the project dir already exists.
        const projectDirExists = fs.existsSync(this.projectDir);
        if(this.checkExists && projectDirExists){
            log.error("The project directory '" + this.projectDir + "' already exists, can't create project!");
            process.exit(1);
        }

        //Create the project dir if not exists.
        if(!projectDirExists) {
            fs.mkdirSync(this.projectDir);
        }
        this.destinationRoot(this.projectDir);
        log.info(`\n${chalk.bold("Creating project...")}\n`);

        //Create all dirs.
        this._mkdirs('./', this.templatePath());

        //Create entities dir
        mkdirp.sync(this.destinationPath('./app/entities'));

        //Copy tempalte files.
        this.fs.copyTpl(this.templatePath('**'), this.destinationRoot(), vars);        

        //Copy dot files.
        this.fs.copyTpl(this.templatePath('**/.*'), this.destinationRoot(), vars);

        //Copy .npmignore to .gitignore
        const npmIgnoreFile = this.templatePath('.npmignore');
        const gitIgnoreFile = this.destinationPath('.gitignore');
        if(fs.existsSync(npmIgnoreFile) && !fs.existsSync(gitIgnoreFile)) {
            if(fs.existsSync(this.destinationPath('.npmignore'))) {
                this.fs.delete(this.destinationPath('.npmignore'));
            }
            this.fs.copy(this.templatePath('.npmignore'), this.destinationPath('.gitignore'));
        }
    }

    _mkdirs(prefix, dir) {
        fs.readdirSync(dir).forEach((name) => {
            const child = dir + '/' + name;
            const stats = fs.statSync(child);
            if(stats && stats.isDirectory()) {
                const relativePath = prefix + name + '/';
                mkdirp.sync(this.destinationPath(relativePath));
                this._mkdirs(relativePath, child);
            }
        });
    }

    install() {
        //package the executable jar.
        //log.info(`\n${chalk.blue('Project files generated! Building the project...')}\n`);
        //this.spawnCommandSync('mvn',['package', '--file', this.destinationRoot()]);

        /*
        //init git repository.
        if(shelljs.which('git')) {
            log.info(`\n${chalk.blue('Init git repository.')}`);
            const cmd = 'git init ' + this.destinationRoot();
            shelljs.exec(cmd);
        }
        */
    }

    end() {
        log.info(`\n${chalk.green.bold("Project created at '" + this.projectDir + "' successfully!")}\n`);
    }
};