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import { Command } from "../command.ts";import { CommandType } from "../types/command.ts";
/** Generates well formatted and colored help output for specified command. */export class HelpCommand extends Command {  public constructor(cmd?: Command) {    super();    this.type("command", new CommandType())      .arguments("[command:command]")      .description("Show this help or the help of a sub-command.")      .action((_, name?: string) => {        if (!cmd) {          cmd = name            ? this.getGlobalParent()?.getBaseCommand(name)            : this.getGlobalParent();        }        if (!cmd) {          throw new Error(            `Failed to generate help for command '${name}'. Command not found.`,          );        }        cmd.help();        Deno.exit(0);      });  }}