@ainc/script/src/cli.ts

Script compiler for typescript

/**
 *****************************************
 * Created by edonet@163.com
 * Created on 2021-04-11 12:17:19
 *****************************************
 */
'use strict';


/**
 *****************************************
 * 加载依赖
 *****************************************
 */
import { cwd } from '@ainc/fs/dist/cwd';
import { json } from '@ainc/fs/dist/json';
import { Parser } from './helpers/argv';


/**
 *****************************************
 * 选项
 *****************************************
 */
const parser = new Parser({
    project: {
        type: 'array',
        alias: 'p',
        description: 'compile typescript project.',
    },
    eval: {
        type: 'boolean',
        alias: 'e',
        description: 'eval source code.',
    },
    watch: {
        type: 'boolean',
        alias: 'w',
        description: 'watch input files.',
    },
    exclude: {
        type: 'array',
        description: 'the exclude pattern for compile.',
    },
    version: {
        type: 'boolean',
        alias: 'v',
        description: 'Print the command\'s version.',
    },
    help: {
        type: 'boolean',
        alias: 'h',
        description: 'print this message.',
    },
});


/**
 *****************************************
 * 定义命令
 *****************************************
 */
export class Command {

    /** 执行命令 */
    public run(argv: string[]): void {
        const opts = parser.parse(argv);

        // 显示帮助信息
        if (opts.help || !argv.length) {
            return this.help();
        }

        // 显示版本信息
        if (opts.version) {
            return this.version();
        }

        // 编译项目
        if (opts.project) {
            const { compile } = require('./compiler') as typeof import('./compiler');

            // 执行编译
            return compile({
                watch: opts.watch,
                argv: opts.argv,
                include: opts.project,
                exclude: opts.exclude,
            });
        }

        // 获取脚本输入
        const input = opts.argv.find(key => key.charAt(0) !== '-');

        // 执行文件
        if (input) {
            const { Script } = require('./script') as typeof import('./script');
            const script = new Script();

            // 打印结果
            this.print(
                opts.eval ? script.run(input) : script.execute(input)
            );

            // 监听文件
            opts.watch && script.watch(this.print);
        }
    }

    /** 打印帮助信息 */
    public help(): void {
        const path = cwd(__dirname, '../package.json');
        const pkg: TypedRecord<string> = json(path) || {};

        // 打印配置信息
        parser.print({
            name: 'esc',
            usage: '[flags]',
            version: pkg.version,
            description: pkg.description,
        });
    }

    /** 打印版本信息 */
    public version(): void {
        const path = cwd(__dirname, '../package.json');
        const pkg = json(path) || {};

        // 打印内容
        console.log(`Version: ${pkg.version}`);
    }

    /** 执行脚本 */
    public print(status?: unknown): void {
        if (typeof status !== 'object' || (status && Object.keys(status).length)) {
            console.log(status);
        }
    }
}


/**
 *****************************************
 * 以主模块启动
 *****************************************
 */
if (module === require.main) {
    run();
}


/**
 *****************************************
 * 执行命令
 *****************************************
 */
export function run(argv = process.argv.slice(2)): void {
    return new Command().run(argv);
}