chore: lint and add test script

.github/workflows/build.yml

@@ -1,6 +1,6 @@
 name: "build"
 on:
-  pull_request:
+  push:
 
 jobs:
   build: # make sure build/ci work properly

package.json

@@ -10,8 +10,9 @@
     "format-check": "prettier --check **/*.ts",
     "lint": "eslint src/**/*.ts",
     "pack": "ncc build",
+    "test": "jest",
     "build:pack": "npm run build && npm run pack",
-    "all": "npm run build && npm run format && npm run lint && npm run pack"
+    "all": "npm run build && npm run test && npm run format && npm run lint && npm run pack"
   },
   "repository": {
     "type": "git",

test/linter.test.ts

@@ -1,18 +1,21 @@
 import {lintPullRequest} from '../src/linter'
 
-
 test('should lint the title correctly', async () => {
   // Given
-  const title = "feat(valid): scope"
+  const title = 'feat(valid): scope'
 
   // Expect
-  await expect(lintPullRequest(title, './commitlint.config.js')).resolves.toBeUndefined()
+  await expect(
+    lintPullRequest(title, './commitlint.config.js')
+  ).resolves.toBeUndefined()
 })
 
 test('should raise errors', async () => {
   // Given
-  const title = "feat(INVALID): scope"
+  const title = 'feat(INVALID): scope'
 
   // Expect
-  await expect(lintPullRequest(title, './commitlint.config.js')).rejects.toThrow()
-})
+  await expect(
+    lintPullRequest(title, './commitlint.config.js')
+  ).rejects.toThrow()
+})