chore: add codecov

.codecov.yml

@@ -0,0 +1,13 @@
+coverage:
+  status:
+    patch:
+      default:
+        target: 90%
+    project:
+      default:
+        target: auto
+        threshold: 2%
+comment:
+  layout: 'diff, flags, files'
+  behavior: new
+  require_changes: false

.github/workflows/main.yml

@@ -1,14 +1,25 @@
 name: CI
-on: [push, pull_request]
+on: [push]
 jobs:
   build:
-    name: Test
+    name: CI
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: borales/actions-yarn@v2.3.0
+      - name: set node.js 16.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16.x
+      - uses: borales/actions-yarn@v4
         with:
           cmd: install
-      - uses: borales/actions-yarn@v2.3.0
+      - uses: borales/actions-yarn@v4
         with:
           cmd: check:all
+      - name: Code coverage report
+        uses: codecov/codecov-action@v2
+        with:
+          yml: ./codecov.yml
+          token: ${{ secrets.CODECOV_TOKEN }}
+          flags: unittest
+          name: codecov

README.md

@@ -1,6 +1,7 @@
 ![action status](https://github.com/yeonjuan/parse-git-diff/actions/workflows/main.yml/badge.svg?branch=main)
 [![npm version](https://badge.fury.io/js/parse-git-diff.svg)](https://www.npmjs.com/package/parse-git-diff)
 [![license](https://img.shields.io/badge/License-MIT-yellow.svg)](./LICENSE)
+[![codecov](https://codecov.io/gh/yeonjuan/parse-git-diff/branch/main/graph/badge.svg?token=J1FUY9P07I)](https://codecov.io/gh/yeonjuan/parse-git-diff)
 
 # parse-git-diff
 

package.json

@@ -9,7 +9,7 @@
     "prepublish": "yarn build",
     "build": "rimraf build && rollup -c rollup.config.js && tsc --declaration",
     "format": "prettier . --write",
-    "test": "jest",
+    "test": "jest --coverage",
     "prebuild": "yarn check:all",
     "publish:demo": "gh-pages -d demo",
     "check:all": "prettier --check . && tsc --noEmit && yarn test",