add missing locale config in @CommandOption

src/decorators/decorators.ts

@@ -2,6 +2,7 @@ import {
   BeforeEventName,
   CommandConfigExtended,
   CommandDefinitionFun,
+  CommandOptionConfigWithDescription,
   ContextFunction,
   EventName,
   KoishiCommandDefinition,
@@ -136,8 +137,19 @@ export const CommandExample = (text: string) =>
 export const CommandOption = (
   name: string,
   desc: string,
-  config: Argv.OptionConfig = {},
-) => CommandDef((cmd) => cmd.option(name, desc, config));
+  config: CommandOptionConfigWithDescription = {},
+) =>
+  CommandDef((cmd, ctx) => {
+    if (config.description) {
+      const desc = adaptLocaleDict(config.description);
+      for (const [locale, text] of Object.entries(desc)) {
+        ctx.i18n.define(locale, `commands.${cmd.name}.options.${name}`, text);
+      }
+    }
+    const clonedConfig = { ...config };
+    delete clonedConfig.description;
+    return cmd.option(name, desc, clonedConfig);
+  });
 
 export const CommandUserFields = (fields: FieldCollector<'user'>) =>
   CommandDef((cmd) => cmd.userFields(fields));

src/def/interfaces.ts

@@ -146,3 +146,7 @@ export interface TemplateConfig {
 }
 
 export type TopLevelActionDef = (ctx: Context, obj: any) => void;
+
+export interface CommandOptionConfigWithDescription extends Argv.OptionConfig {
+  description?: string | Dict<string>;
+}