async printUsage()

in lib/cli.js [151:200]

• 46 lines of code
• 21 McCabe index (conditional complexity)

  async printUsage(subcommand) {
    const cmd = this.commands.get(subcommand);
    console.log(bold(`Usage:`));
    if (cmd.useArgs === '0-n') {
      console.log(`   ${this.name} ${subcommand}${cmd.supportAfterCommand ? ' -- <command>' : ''}`);
      console.log(`   ${this.name} ${subcommand} [arguments]${cmd.supportAfterCommand ? ' -- <command>' : ''}`);
    } else if (cmd.useArgs === '1-n') {
      console.log(`   ${this.name} ${subcommand} [options]${cmd.supportAfterCommand ? ' -- <command>' : ''}`);
    } else if (cmd.useArgs === '0') {
      console.log(`   ${this.name} ${subcommand}${cmd.supportAfterCommand ? ' -- <command>' : ''}`);
    }

    if (cmd.arguments && cmd.arguments.length > 0) {
      let output = `   ${this.name} ${subcommand}`;
      for (let i = 0; i < cmd.arguments.length; i++) {
        const arg = cmd.arguments[i];
        output += ` [${arg.name}]`;
      }
      console.log(`${output}${cmd.supportAfterCommand ? ' -- <command>' : ''}`);
    } else {
      console.log(`   ${this.name} ${subcommand}${cmd.supportAfterCommand ? ' -- <command>' : ''}`);
    }

    if (cmd.description) {
      console.log();
      console.log(bold('Description:'));
      console.log(`   ${cmd.description}`);
    }

    if (cmd.options && Object.keys(cmd.options).length > 0) {
      console.log();
      console.log(bold('Options:'));
      Object.keys(cmd.options).forEach((key) => {
        const option = cmd.options[key];
        console.log(`   ${option.short ? `-${option.short}, ` : ''}--${key}  [${option.required ? 'Required' : 'Optional'}]`);
        console.log(`       ${option.description}`);
        console.log();
      });
    }

    if (cmd.arguments && cmd.arguments.length > 0) {
      console.log();
      console.log(bold('Arguments:'));
      for (let i = 0; i < cmd.arguments.length; i++) {
        const arg = cmd.arguments[i];
        console.log(`${arg.name}:`);
        console.log(`   ${arg.description}`);
      }
    }
  }