aj-flutter-cli/lib/utils/enhanceErrorMessages.ts

a cli for creating flutter projects

import chalk from "chalk";
import { CommanderStatic } from "commander";

const enhanceErrorMessages = (
  program: CommanderStatic,
  methodName: string,
  log: (...args: any[]) => void
) => {
  program.Command.prototype[methodName] = function(...args) {
    if (methodName === "unknownOption" && this._allowUnknownOption) {
      return;
    }
    this.outputHelp();
    console.log("  " + chalk.red(log(...args)));
    console.log();
    process.exit(1);
  };
};
export default enhanceErrorMessages;