akb-cli/lib/builder.js

akb cli

/**
 * @file 使用babel编译文件
 * @author panyuqi(panyuqi@baidu.com)
 */

'use strict';

const babel = require('babel-core');
const fs = require('./fs-extra-as-promised');
const path = require('path');
const chalk = require('chalk');
const Promise = require('bluebird');
/* eslint-disable */
const glob = Promise.promisify(require('glob'));
const transformFile = Promise.promisify(babel.transformFile);
/* eslint-enable */
const log = console.log;

const builder = module.exports;

builder.start = argv => {
    let destDir = path.join(process.cwd(), argv.destDir);
    let tmpDir = path.resolve(process.cwd(), '../tmp-' + (new Date().getTime()));
    let ignorePattern = [
        path.resolve(destDir, './node_modules/**/*'),
        path.resolve(destDir, './public/**/*')
    ]; // 无视node_modules和public
    log(chalk.green('Start to build.'));
    fs.removeAsync(destDir)
    .then(() => fs.copyAsync(process.cwd(), tmpDir))
    .then(() => fs.moveAsync(tmpDir, destDir))
    .then(() => glob(path.resolve(destDir, './**/*.js'), {
        nodir: true,
        ignore: ignorePattern
    }))
    .then(jsFiles => Promise.all(jsFiles.map(
        file => transformFile(file, {
                plugins: ['transform-async-to-generator']
            })
            .then(result => fs.writeFileAsync(file, result.code, {encoding: 'utf-8'}))
            .then(() => log('  ', chalk.green('create'), file))
        ))
    )
    .catch(err => {
        log(chalk.red('Failed.', err));
    });
};