Skip to main content
Module

x/cliffy/examples/command/validation_error_handling.ts

Command line framework for deno 🦕 Including Commandline-Interfaces, Prompts, CLI-Table, Arguments Parser and more...
c4spar/deno-cliffy
Extremely Popular
Go to Latest
File
123456789101112131415161718192021
import { Command, ValidationError } from "../../command/mod.ts";
const cmd = new Command()  .throwErrors() // <-- throw also validation errors.  .option("-p, --pizza-type <type>", "Flavour of pizza.")  .action(() => {    throw new Error("Some error happened.");  });
try {  cmd.parse();} catch (error) {  if (error instanceof ValidationError) {    cmd.help();    console.error("[CUSTOM_VALIDATION_ERROR]", error.message);  } else {    console.error("[CUSTOM_ERROR]", error);  }  Deno.exit(1);}