Method loadCommands

packages/commander/src/framework.ts:160–282

()

  }

  private loadCommands() {
    if (this.isCommandsLoaded) {
      return;
    }
    const modules = DecoratorManager.listModule(CLI_COMMAND_KEY);
    for (const module of modules) {
      const metadata: CliCommandOptions = MetadataManager.getMetadata(
        CLI_COMMAND_KEY,
        module
      );

      const cmd = this.program.command(metadata.name);
      if (metadata.arguments) {
        cmd.arguments(metadata.arguments);
      }
      if (metadata.description) {
        cmd.description(metadata.description, metadata.argsDescription);
      }
      if (metadata.aliases) {
        metadata.aliases.forEach(alias => cmd.alias(alias));
      }

      const optionMetadataList: Array<{
        propertyKey: string;
        options: CliOptionOptions;
      }> = MetadataManager.getMetadata(CLI_OPTION_KEY, module) || [];

      for (const optMeta of optionMetadataList) {
        const opt = optMeta.options;
        let parser;
        if (optMeta.propertyKey) {
          parser = module.prototype[optMeta.propertyKey];
        }

        if (opt.required) {
          if (parser) {
            cmd.requiredOption(
              opt.flags,
              opt.description,
              parser,
              opt.defaultValue
            );
          } else {
            cmd.requiredOption(opt.flags, opt.description, opt.defaultValue);
          }
        } else {
          if (parser) {
            cmd.option(opt.flags, opt.description, parser, opt.defaultValue);
          } else {
            cmd.option(opt.flags, opt.description, opt.defaultValue);
          }
        }
      }

      cmd.action(async (...args: any[]) => {
        const commandObj = args[args.length - 1];
        const actualArgs = args.slice(0, -2);
        const actualOptions = commandObj.opts();