@oclif/plugin-help/lib/commands/help.js

Standard help for oclif.

import { Args, Command, Flags, loadHelpClass } from '@oclif/core';
export default class HelpCommand extends Command {
    static args = {
        command: Args.string({ description: 'Command to show help for.', required: false }),
    };
    static description = 'Display help for <%= config.bin %>.';
    static flags = {
        'nested-commands': Flags.boolean({
            char: 'n',
            description: 'Include all nested commands in the output.',
        }),
    };
    static strict = false;
    async run() {
        const { argv, flags } = await this.parse(HelpCommand);
        const Help = await loadHelpClass(this.config);
        const help = new Help(this.config, { all: flags['nested-commands'] });
        await help.showHelp(argv);
    }
}