Async flag options? #78

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1. RasPhilCo commented on Nov 12, 2019

   

   RasPhilCo

   on Nov 12, 2019

   Contributor

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   Options is string[] type. Would need some reworking to accomplish. You could get "close" and enforce options with a custom flag parser.
2. biesbjerg commented on Mar 28, 2020

   

   biesbjerg

   on Mar 28, 2020

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   I'm also looking for more flexibility in this area.

   Specifically I want installed plugins (using @oclif/plugin-plugins) to be able to register themselves using hooks (runHook). runHooks is async and also not possible to execute this.config.runHooks outside of the Command's instance context, as far as I can tell.

   Are there any way to currently do this?

   import { Command, flags } from '@oclif/command'
   
   import { compilerRegistry } from '../compiler-registry';
   
   export default class Extract extends Command {
   
   	static flags = {
   		compiler: flags.string({
   			char: 'c',
   			required: true,
   			description: 'Compiler to use for translations',
   			options: () => {
   				return compilerRegistry.getRegistered().map(compiler => compiler.shortName);
   			}
   		})
   	}
   
   	async init() {
   		await this.config.runHook('register-compilers', {
   			id: 'register-compilers',
   			registry: compilerRegistry
   		});
   	}
   }
3. RasPhilCo

   added

   enhancementNew feature or requestNew feature or request

   on Dec 19, 2020
4. sisou commented on Aug 25, 2021

   

   sisou

   on Aug 25, 2021

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   In my case I would like to make a flag's default function async, e.g. return a Promise. Is that reasonable?