From 8f3dc3f9ca6f83564bbf4e71d8ede6eb176eb5a0 Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@buaa.edu.cn>
Date: Mon, 25 Feb 2019 19:38:23 +0800
Subject: [PATCH] [new feature] Stepper: add focus event (#2841)

---
 packages/stepper/en-US.md           | 1 +
 packages/stepper/index.js           | 5 +++++
 packages/stepper/test/index.spec.js | 7 +++++++
 packages/stepper/zh-CN.md           | 1 +
 4 files changed, 14 insertions(+)

diff --git a/packages/stepper/en-US.md b/packages/stepper/en-US.md
index 15bb20ab5..cee2f65e7 100644
--- a/packages/stepper/en-US.md
+++ b/packages/stepper/en-US.md
@@ -93,4 +93,5 @@ export default {
 | overlimit | Triggered when click disabled button | - |
 | plus | Triggered when click plus button | - |
 | minus | Triggered when click minus button | - |
+| focus | Triggered when input focused | - |
 | blur | Triggered when input blured | - |
diff --git a/packages/stepper/index.js b/packages/stepper/index.js
index 78267abb6..d4a3cc58f 100644
--- a/packages/stepper/index.js
+++ b/packages/stepper/index.js
@@ -107,6 +107,10 @@ export default sfc({
       this.$emit(type);
     },
 
+    onFocus(event) {
+      this.$emit('focus', event);
+    },
+
     onBlur(event) {
       this.currentValue = this.range(this.currentValue);
       this.$emit('blur', event);
@@ -135,6 +139,7 @@ export default sfc({
           value={this.currentValue}
           disabled={this.disabled || this.disableInput}
           onInput={this.onInput}
+          onFocus={this.onFocus}
           onBlur={this.onBlur}
         />
         <button
diff --git a/packages/stepper/test/index.spec.js b/packages/stepper/test/index.spec.js
index b02416166..9076c3349 100644
--- a/packages/stepper/test/index.spec.js
+++ b/packages/stepper/test/index.spec.js
@@ -80,6 +80,13 @@ test('only allow interger', () => {
   expect(wrapper.emitted('input')).toEqual([[1]]);
 });
 
+test('stepper focus', () => {
+  const wrapper = mount(Stepper);
+  const input = wrapper.find('input');
+  input.trigger('focus');
+  expect(wrapper.emitted('focus')).toBeTruthy();
+});
+
 test('stepper blur', () => {
   const wrapper = mount(Stepper, {
     propsData: {
diff --git a/packages/stepper/zh-CN.md b/packages/stepper/zh-CN.md
index 146dd6ae6..630138e6a 100644
--- a/packages/stepper/zh-CN.md
+++ b/packages/stepper/zh-CN.md
@@ -96,4 +96,5 @@ export default {
 | overlimit | 点击不可用的按钮时触发 | - |
 | plus | 点击增加按钮时触发 | - |
 | minus | 点击减少按钮时触发 | - |
+| focus | 输入框聚焦时触发 | - |
 | blur | 输入框失焦时触发 | - |