Method singleComponentHelp

src/command/custom/help.ts:85–123

(componentName: string)

    res && res.outputHelp();
  }
  private async singleComponentHelp(componentName: string) {
    const { projectName, command } = this.spec;
    const instance = await loadComponent(componentName, { logger });
    const data = get(instance, `commands.${command}`);
    if (isEmpty(data)) {
      logger.info('The help information of the component is not obtained');
      return;
    }
    const description = get(data, 'help.description');
    let customProgram = projectName ? this.program.command(projectName).command(command) : this.program.command(command);
    customProgram.description(description).summary(get(data, 'help.summary', description)).option('-h, --help', 'Display help for command', undefined); // 手动调用help信息
    each(get(data, 'help.option', []), item => {
      const [start, ...rest] = item;
      customProgram.option(start, ...rest);
    });
    each(get(data, 'subCommands', {}), (item, key) => {
      const desc = get(item, 'help.description');
      customProgram.command(key).description(desc).summary(get(item, 'help.summary', desc)).option('-h, --help', 'Display help for command', undefined); // 手动调用help信息
    });
    const argv = process.argv.slice(2);
    const { _: raw } = parseArgv(argv);
    const subCommand = filter(raw, o => !includes([projectName, command], o));
    if (isEmpty(subCommand)) return customProgram;

    const subCommandInfo = get(data, `subCommands.${subCommand}`, {});
    const subDescription = get(subCommandInfo, 'help.description');
    const subCustomProgram = customProgram
      .command(first(subCommand))
      .description(subDescription)
      .summary(get(subCommandInfo, 'help.summary', subDescription))
      .option('--env <envName>', '[Optional] Specify the env name') // 可选 env和skip-actions
      .option('--skip-actions', '[Optional] Skip the extends section')
      .option('-h, --help', 'Display help for command', undefined); // 手动调用help信息
    each(get(subCommandInfo, 'help.option', []), item => {
      const [start, ...rest] = item;
      subCustomProgram.option(start, ...rest);
    });
    return subCustomProgram;
  }
  private async multiComponentHelp() {
    const { steps } = this.spec;
    for (const item of steps) {