TypeScript commander.command函数代码示例

 return new Promise<void>(async (resolve, reject) => {
   let packageData = await fs.readJson(packagePath);
   commander.version(packageData.version);
   commander.option('--no-headless', 'disables headless mode');
   commander.command('create <url...>')
     .description('creates series metadata')
     .action(exec<string[]>(urls => mio.commands.createAsync(urls).then(resolve, reject)));
   commander.command('download')
     .description('download series')
     .action(exec(() => mio.commands.downloadAsync().then(resolve, reject)));
   commander.command('update <url...>')
     .description('updates series metadata')
     .action(exec<string[]>(urls => mio.commands.updateAsync(urls).then(resolve, reject)));
   commander.parse(argv);
 });

 private versionCommand(): void {
   commander
     .command('version')
     .alias('v')
     .description('Shows the CLI-Version')
     .action(async (): Promise<void> => {
       this.version.init();
     });
 }

 private helpCommand(): void {
   commander
     .command('help')
     .alias('h')
     .description('Help')
     .action(async (): Promise<void> => {
       this.helper.init();
     });
 }

Object.keys(tasks).forEach(function(taskName){
	const task = tasks[taskName];
	const {alias,flags,help} = task;
	const command = commander.command(taskName);
	if(alias){
		command.alias(alias);
	}
	if(help){
		command.description(help);
	}
	if(flags && flags.length){
		flags.forEach(function([f,[desc,def]]){
			command.option(f,desc,def);
		})
	}
});

 private createCommand(): void {
   commander
     .command('create')
     .alias('i')
     .description('Creates a Resource from the List')
     .action(async (cmd: any): Promise<void> => {
       this.creater.init().then((resource) => {
         if (resource === 'React') {
           this.creater.react(cmd);
         } else if (resource === 'Angular') {
           this.creater.angular(cmd);
         } else if (resource === 'Vue') {
           this.creater.vue(cmd);
         }
       });
     });
 }

commands.forEach(command => {

  // create command
  let cmd = program.command(command.name)

  // set alias
  if (command.alias) {
    cmd.alias(command.alias)
  }

  // set usage
  if (command.usage) {
    cmd.usage(command.usage)
  }

  // set description
  if (command.description) {
    cmd.description(command.description)
  }

  // set options
  if (command.options && command.options.length) {
    let options: string[][] = command.options
    options.forEach((option: string[]) => {
      cmd.option(option[0], option[1])
    })
  }

  // set on
  if (_.isObject(command.on)) {
    _.forIn(command.on, (value, key) => {
      cmd.on(key, value)
    })
  }

  // set action
  if (command.action) {
    cmd.action(async (...args) => {
      try {
        await command.action.apply(command, args)
      } catch (err) {
        log.error(err)
      }
    })
  }
})

 private installCommand(): void {
   commander
     .command('install')
     .alias('i')
     .description('Install a Resource from the List')
     .action(async (): Promise<void> => {
       this.installer.init().then((resource) => {
         if (resource === 'Typescript') {
           this.installer.typescript();
         } else if (resource === 'React') {
           this.installer.react();
         } else if (resource === 'Angular') {
           this.installer.angular();
         } else if (resource === 'Vue') {
           this.installer.vue();
         }
       });
     });
 }

const config = new Conf();
let progressBar: ProgressBar<ProgressData>;

interface BinDownloadConfig extends DownloadConfig {
  silent?: boolean;
  limit?: string;
}

// Log any unhandled exceptions...
process.on('uncaughtException', err => log(`uncaughtException: ${err}`, err));
process.on('unhandledRejection', (err, promise) => log(`unhandledRejection: ${err}`, err, promise));

swapArgs('-v', '-V'); // Convert -v to -V so version works correctly...
swapArgs('/?', '-h'); // Convert /? to also show help info...

program
  .command('download <url>').alias('dl')
  .description('Downloads a video from the YouTube link.')
  .option('-p, --preset <preset>', 'The preset format to download.')
  .option('-d, --dir <dir>', 'The location to save the download.')
  .option('-t, --template <template>', 'The format of the the filename, recursively creating missing subfolders.')
  .option('-l, --limit <size>', 'The maximum filesize to download.')
  .option('-s, --silent', 'Hides all output.')
  .action(function (url: string, options: BinDownloadConfig) {
    options.url = url;
    return mergeOptions(options)
      .then((options => {
        return new Pully().download(options);
      }))
      .then((result: DownloadResults) => {
        options.silent || logUpdate(`${chalk.magenta(result.format.data.videoTitle)} saved as
  ${chalk.green(result.path)} [${toHumanTime(result.duration / 1000)}]`);

#!/usr/bin/env node
import * as program from 'commander';
import { Translate } from './commands/Translate';
import { Check } from './commands/Check';
import { Update } from './commands/Update';
import { Extract } from './commands/Extract';
import { Convert } from './commands/Convert';
import { LumberJack } from './utils/LumberJack';
const logger = new LumberJack();

program
    .version('0.0.1');

program
    .command('translate [lang]')
    .description('Translate source file to new language')
    .option('-d, --dest <dest>', 'specify localization resources directory.')
    .option('-f, --format <format>', 'specify output format. (json, xliff)')
    .action((...args) => {
        let command: Translate = new Translate();
        command.run(...args);
    });

program
    .command('convert [lang] [to]')
    .description('Convert translations to new format')
    .option('-d, --dest <dest>', 'specify localization resources directory.')
    .option('-f, --format <format>', 'specify output format. (json, namespaced-json, pot, xliff, xliff2)')
    .action((...args) => {
        let command: Convert = new Convert();
        command.run(...args);

#!/usr/bin/env node
import * as path     from 'path';
import * as program  from 'commander';
import * as commands from '../commands';

program
  .version(require('../../package.json').version);

program
  .command('create <name>')
  .alias('new')
  .description('create new monogatari')
  .action(commands.create);

program
  .command('play <monogatari>')
  .description('execute monogatari')
  .option('-f, --hostsfile <hostsfile>', 'hosts file', 'hosts.yml')
  .option('-k, --private-key <id_rsa>', 'ssh private key', path.resolve(process.env.HOME, '.ssh/id_rsa'))
  .action(commands.play);

program.parse(process.argv);