diff.ts

import {main, options} from '@asyncapi/diff/cli';
import Command from '../base';
import {flags} from '@oclif/command';


export default class Diff extends Command {

  static flags = options.getFlags(flags);

  static args = options.args;

  async run(){
    const {args, flags} = this.parse(Diff);
    await main(args, flags);
  }
}

diff_cli.ts

export async function main(args, flags){
  const firstDocumentPath = args['old'];
  const secondDocumentPath = args['new'];

  const outputFormat = flags['format'];
  const outputType = flags['type'];
  const overrideFilePath = flags['overrides'];

  // Logic as diff requriements 
}


export options = {

  args: [
    {
      name: 'old',
      description: 'old spec path, URL or context-name',
      required: true,
    },
    {
      name: 'new',
      description: 'new spec path, URL or context-name',
      required: true,
    },
  ];

  getFlags: (flags) => ({
    help: flags.help({ char: 'h' }),
    format: flags.string({
      char: 'f',
      description: 'format of the output',
      default: 'json',
      options: ['json'],
    }),
    type: flags.string({
      char: 't',
      description: 'type of the output',
      default: 'all',
      options: ['breaking', 'non-breaking', 'unclassified', 'all'],
    }),
    overrides: flags.string({
      char: 'o',
      description: 'path to JSON file containing the override properties',
    }),
  };)

}