From 31f7d51dda999f046c9cab06968d8a4eed1e8126 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=B6=E8=BF=9C=E6=96=B9?= <yangpanteng@gmail.com>
Date: Tue, 5 Dec 2023 21:20:46 +0800
Subject: [PATCH 1/4] types(runtime-core): add `h` function overload

---
 packages/runtime-core/src/h.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/packages/runtime-core/src/h.ts b/packages/runtime-core/src/h.ts
index 4ca90262f2a..25c555f6d7f 100644
--- a/packages/runtime-core/src/h.ts
+++ b/packages/runtime-core/src/h.ts
@@ -78,7 +78,24 @@ interface Constructor<P = any> {
 // The following is a series of overloads for providing props validation of
 // manually written render functions.
 
+type HTMLElementEventHandler = {
+  [K in keyof HTMLElementEventMap as `on${Capitalize<K>}`]?: (
+    ev: HTMLElementEventMap[K]
+  ) => any
+}
+
 // element
+export function h<K extends keyof HTMLElementTagNameMap>(
+  type: K,
+  children?: RawChildren
+): VNode
+export function h<K extends keyof HTMLElementTagNameMap>(
+  type: K,
+  props?: (RawProps & HTMLElementEventHandler) | null,
+  children?: RawChildren | RawSlots
+): VNode
+
+// custom element
 export function h(type: string, children?: RawChildren): VNode
 export function h(
   type: string,

From f9cf7da0ca091303c12c8b812c8e45a9ea0e19dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=B6=E8=BF=9C=E6=96=B9?= <yangpanteng@gmail.com>
Date: Tue, 5 Dec 2023 22:24:04 +0800
Subject: [PATCH 2/4] chore: update comment

---
 packages/runtime-core/src/h.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/runtime-core/src/h.ts b/packages/runtime-core/src/h.ts
index 25c555f6d7f..038d8d2fbc7 100644
--- a/packages/runtime-core/src/h.ts
+++ b/packages/runtime-core/src/h.ts
@@ -75,15 +75,15 @@ interface Constructor<P = any> {
   new (...args: any[]): { $props: P }
 }
 
-// The following is a series of overloads for providing props validation of
-// manually written render functions.
-
 type HTMLElementEventHandler = {
   [K in keyof HTMLElementEventMap as `on${Capitalize<K>}`]?: (
     ev: HTMLElementEventMap[K]
   ) => any
 }
 
+// The following is a series of overloads for providing props validation of
+// manually written render functions.
+
 // element
 export function h<K extends keyof HTMLElementTagNameMap>(
   type: K,

From 767bf3f4d2a250c1bc9669af2aac75af7cba1cd5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=B6=E8=BF=9C=E6=96=B9?= <yangpanteng@gmail.com>
Date: Fri, 8 Dec 2023 14:20:18 +0800
Subject: [PATCH 3/4] chore: add test case

---
 packages/dts-test/h.test-d.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/packages/dts-test/h.test-d.ts b/packages/dts-test/h.test-d.ts
index f2e984b49b8..c8c09ec83ab 100644
--- a/packages/dts-test/h.test-d.ts
+++ b/packages/dts-test/h.test-d.ts
@@ -32,6 +32,17 @@ describe('h inference w/ element', () => {
   // slots
   const slots = { default: () => {} } // RawSlots
   h('div', {}, slots)
+  // events
+  h('div', {
+    onClick: e => {
+      expectType<MouseEvent>(e)
+    }
+  })
+  h('input', {
+    onFocus(e) {
+      expectType<FocusEvent>(e)
+    }
+  })
 })
 
 describe('h inference w/ Fragment', () => {

From a47047346c64f329d67d2589f5e74eff5a4a2cfc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=B6=E8=BF=9C=E6=96=B9?= <yangpanteng@gmail.com>
Date: Fri, 8 Dec 2023 14:22:40 +0800
Subject: [PATCH 4/4] fix: import the `expectType` tool type

---
 packages/dts-test/h.test-d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/dts-test/h.test-d.ts b/packages/dts-test/h.test-d.ts
index c8c09ec83ab..2392c5850f1 100644
--- a/packages/dts-test/h.test-d.ts
+++ b/packages/dts-test/h.test-d.ts
@@ -9,7 +9,7 @@ import {
   Component,
   resolveComponent
 } from 'vue'
-import { describe, expectAssignable } from './utils'
+import { describe, expectAssignable, expectType } from './utils'
 
 describe('h inference w/ element', () => {
   // key