feat: add coverage to github ci (#1920)

Author: CasLubbers

.github/workflows/coverage.yml

@@ -0,0 +1,34 @@
+name: 'coverage'
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  coverage:
+    if: ${{ github.actor != 'dependabot[bot]' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout PR branch
+        uses: actions/checkout@v4
+
+      - name: Install Node
+        run: |
+          export NVM_DIR="$HOME/.nvm"
+          [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+          nvm install
+          nvm use
+          node -v
+          npm install
+
+      - name: Install gucci
+        run: |
+          GUCCI_VERSION="1.6.13"
+          curl -L -o gucci https://github.com/noqcks/gucci/releases/download/v${GUCCI_VERSION}/gucci-v${GUCCI_VERSION}-linux-amd64
+          chmod +x gucci
+          sudo mv gucci /usr/local/bin/
+
+      - name: Compare Coverage
+        uses: ArtiomTr/jest-coverage-report-action@v2
+        with:
+          test-script: npm run test:ts

.husky/post-checkout

@@ -23,4 +23,9 @@ source_nvm
 # automatically change node version to the one indicated in .nvmrc
 nvm use
 
-npm run run-if-changed
+# Prevent errors on shallow clones
+if git rev-parse --verify HEAD@{1} >/dev/null 2>&1; then
+  npm run run-if-changed
+else
+  echo "Skipping run-if-changed: Not enough Git history"
+fi

jest.config.ts

@@ -1,19 +1,14 @@
 import type { Config } from '@jest/types'
 
-// Sync object
 const config: Config.InitialOptions = {
-  // automock: true,
   preset: 'ts-jest',
   roots: ['<rootDir>/src'],
   setupFilesAfterEnv: ['<rootDir>/src/test-init.ts'],
   moduleDirectories: ['node_modules', __dirname],
   modulePathIgnorePatterns: ['src/cmd/test.ts'],
   testEnvironment: 'node',
-  globals: {
-    'ts-jest': {
-      compiler: 'ttypescript',
-      tsconfig: 'tsconfig.jest.json',
-    },
+  transform: {
+    '^.+.tsx?$': ['ts-jest', { compiler: 'ttypescript', tsconfig: 'tsconfig.jest.json' }],
   },
   silent: false,
   testMatch: ['**/*.test.ts'],