From 3d149ec9611421c5c9bc9489dc67c7689d7bd7ac Mon Sep 17 00:00:00 2001
From: "blake.li" <blake.li@qunar.com>
Date: Sun, 14 Aug 2022 17:03:35 +0800
Subject: [PATCH 1/3] =?UTF-8?q?=E5=AE=8C=E6=88=90=E5=A4=A7=E6=95=B0?=
 =?UTF-8?q?=E7=9B=B8=E5=8A=A0=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .github/workflows/node.js.yml | 30 ++++++++++++++++++++++++++++++
 lib/add.js                    | 20 ++++++++++++++++++--
 package.json                  |  2 +-
 3 files changed, 49 insertions(+), 3 deletions(-)
 create mode 100644 .github/workflows/node.js.yml

diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
new file mode 100644
index 0000000..54857db
--- /dev/null
+++ b/.github/workflows/node.js.yml
@@ -0,0 +1,30 @@
+# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Node.js CI
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [16.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: yarn
+    # Just run tests once
+    - run: yarn test
diff --git a/lib/add.js b/lib/add.js
index 1714b95..850e705 100644
--- a/lib/add.js
+++ b/lib/add.js
@@ -1,5 +1,21 @@
-function add() {
-  // 实现该函数
+function add(num1, num2) {
+    // 强转字符串，对于输入参数值为Number类型的正整数也可以支持
+    num1 = String(num1);
+    num2 = String(num2);
+    let lenMax = num1.length > num2.length ? num1.length : num2.length;
+    num1 = num1.padStart(lenMax, '0');
+    num2 = num2.padStart(lenMax, '0');
+    let carry = 0;
+    let result = '';
+    for (let i = lenMax - 1; i >= 0; i--) {
+        let sum = parseInt(num1[i]) + parseInt(num2[i]) + carry;
+        result = sum % 10 + result;
+        carry = sum > 9 ? 1 : 0;
+    }
+    if (carry === 1) {
+        result = 1 + result;
+    }
+    return result;
 }
 
 module.exports = add
\ No newline at end of file
diff --git a/package.json b/package.json
index 556b63b..7efc4d1 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "bugs": {
     "url": "https://github.com/FE-star/exercise2/issues"
   },
-  "homepage": "https://github.com/FE-star/exercise2#readme",
+  "homepage": "https://github.com/HappyCoder01/exercise2",
   "devDependencies": {
     "jest": "^28.1.2"
   }

From 9d4b657e8da046957c5e8642adce61900ceba952 Mon Sep 17 00:00:00 2001
From: "blake.li" <blake.li@qunar.com>
Date: Sun, 14 Aug 2022 17:09:24 +0800
Subject: [PATCH 2/3] =?UTF-8?q?=E6=B5=8B=E8=AF=95=20Github=20Actions?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lib/add.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/add.js b/lib/add.js
index 850e705..3998c08 100644
--- a/lib/add.js
+++ b/lib/add.js
@@ -1,5 +1,6 @@
 function add(num1, num2) {
     // 强转字符串，对于输入参数值为Number类型的正整数也可以支持
+
     num1 = String(num1);
     num2 = String(num2);
     let lenMax = num1.length > num2.length ? num1.length : num2.length;

From 91917d618298ba8bfe51bcf1f3410ae1ae2c8798 Mon Sep 17 00:00:00 2001
From: "blake.li" <blake.li@qunar.com>
Date: Sun, 14 Aug 2022 17:11:21 +0800
Subject: [PATCH 3/3] =?UTF-8?q?=E6=B5=8B=E8=AF=95=20Github=20Actions=20?=
 =?UTF-8?q?=E6=98=AF=E5=90=A6=E5=92=8Cpackage.json=20=E4=B8=ADhomepage?=
 =?UTF-8?q?=E9=A1=B9=E6=9C=89=E5=85=B3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 7efc4d1..556b63b 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "bugs": {
     "url": "https://github.com/FE-star/exercise2/issues"
   },
-  "homepage": "https://github.com/HappyCoder01/exercise2",
+  "homepage": "https://github.com/FE-star/exercise2#readme",
   "devDependencies": {
     "jest": "^28.1.2"
   }