fix(language-core): fix event handler type for hyphen-case event names

Author: johnsoncodehk

packages/language-core/lib/codegen/template/elementEvents.ts

@@ -46,6 +46,13 @@ export function* generateElementEvents(
 			yield `/**__VLS_emit,${emitVar},${prop.arg.loc.source}*/${newLine}`;
 			yield `'${originalPropName}': typeof ${eventsVar}['${prop.arg.loc.source}']${newLine}`;
 			yield `}${newLine}`;
+			if (prop.arg.loc.source !== camelize(prop.arg.loc.source)) {
+				yield `: __VLS_IsAny<typeof ${eventsVar}['${camelize(prop.arg.loc.source)}']> extends false${newLine}`;
+				yield `? {${newLine}`;
+				yield `/**__VLS_emit,${emitVar},${camelize(prop.arg.loc.source)}*/${newLine}`;
+				yield `'${originalPropName}': typeof ${eventsVar}['${camelize(prop.arg.loc.source)}']${newLine}`;
+				yield `}${newLine}`;
+			}
 			yield `: typeof ${propsVar}${newLine}`;
 			yield `> = {${newLine}`;
 			yield* generateEventArg(options, ctx, prop.arg, true);

test-workspace/tsc/vue3/events/main.vue

@@ -7,8 +7,8 @@
 	<C1 @foo-bar="exactType($event, {} as number)" @bar-baz="exactType($event, {} as number)" />
 	<C2 @foo-bar="exactType($event, {} as number)" />
 	<C3 @foo-bar="exactType($event, {} as number)" />
-	<C4 value="1" @foo-bar="exactType($event, {} as any)" />
-	<C4 :value="1" @foo-bar="exactType($event, {} as any)" />
+	<C4 value="1" @foo-bar="exactType($event, {} as string)" />
+	<C4 :value="1" @foo-bar="exactType($event, {} as number)" />
 
 	<C1 @fooBar="exactType($event, {} as number)" @barBaz="exactType($event, {} as any)" />
 	<C2 @fooBar="exactType($event, {} as number)" />