feat: precondition can return promises

Author: davidabou

playground/preconditions/ownerOnly.ts

@@ -1,11 +1,11 @@
 import { definePrecondition, useRuntimeEnv } from '../../src'
 
-export default definePrecondition((interaction) => {
+export default definePrecondition(async (interaction) => {
   const env = useRuntimeEnv()
   const authorId = interaction.member?.user.id
 
   if (authorId && authorId !== env.ownerId) {
-    interaction?.reply('You are not the owner of this bot!')
+    await interaction.reply('You are not the owner of this bot!')
     return false
   }
   return true

src/register.ts

@@ -62,8 +62,9 @@ export const registerCommands = (harmonix: Harmonix) => {
           consola.warn(`Precondition \`${prc}\` not found.`)
           continue
         }
-        const result = ctx.call(harmonix as RuntimeHarmonix, () =>
-          precondition.callback(interaction)
+        const result = await ctx.call(
+          harmonix as RuntimeHarmonix,
+          async () => await precondition.callback(interaction)
         )
 
         if (!result) return
@@ -89,8 +90,9 @@ export const registerContextMenu = (harmonix: Harmonix) => {
           consola.warn(`Precondition \`${prc}\` not found.`)
           continue
         }
-        const result = ctx.call(harmonix as RuntimeHarmonix, () =>
-          precondition.callback(interaction)
+        const result = await ctx.call(
+          harmonix as RuntimeHarmonix,
+          async () => await precondition.callback(interaction)
         )
 
         if (!result) return

src/types/preconditions.ts

@@ -12,7 +12,7 @@ export type PreconditionCallback<
   interaction: T extends 'ChatInput'
     ? ChatInputCommandInteraction
     : MessageContextMenuCommandInteraction | UserContextMenuCommandInteraction
-) => boolean | void
+) => Promise<boolean> | Promise<void> | boolean | void
 
 export interface DefinePrecondition {
   <T extends PreconditionType>(