with retro

.github/workflows/ci.yml

@@ -3,31 +3,50 @@ on: [ push ]
 jobs:
   test:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [16.x, 17.x, 18.x ]
     steps:
-      - uses: actions/checkout@v2
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: 18.x
+          cache: npm
       - run: npm ci
       - run: npm test
       - run: npm run lint
       - run: npm run build
+      - uses: actions/upload-artifact@v3
+        with:
+          name: built-tests
+          path: dist/test/
+
+  matrix:
+    runs-on: ubuntu-latest
+    needs: test
+    strategy:
+      matrix:
+        node-version: [ 12.x, 14.x, 15.x ]
+    steps:
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+      - uses: actions/download-artifact@v3
+        with:
+          name: built-tests
+          path: built-tests
+      - run: npm --prefix built-tests install
+      - run: npm --prefix built-tests test
 
   coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: 18.x
       - run: npm ci
       - run: npm run coverage
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           directory: .coverage

.tools/build.sh

@@ -9,19 +9,26 @@ cd "${PROJECT_DIR}"
 
 echo "Building oleoduc (esm version)..."
 tsc -p tsconfig.json
-cat >"./dist/mjs/package.json" <<!EOF
+cat >"${PROJECT_DIR}/dist/mjs/package.json" <<!EOF
 {
     "type": "module"
 }
 !EOF
 
 echo "Building oleoduc (cjs version)..."
 tsc -p tsconfig.cjs.json
-cat >"./dist/cjs/package.json" <<!EOF
+cat >"${PROJECT_DIR}/dist/cjs/package.json" <<!EOF
 {
     "type": "commonjs"
 }
 !EOF
 
+echo "Building oleoduc (test version)..."
+tsc -p tsconfig.test.json
+echo "Patching package.json to be able to run tests against previous versions of nodejs..."
+cp "${PROJECT_DIR}/package.json" "${PROJECT_DIR}/dist/test"
+npx json -I -f "${PROJECT_DIR}/dist/test/package.json" -e 'this.scripts.test="mocha --recursive test/"'
+npx json -I -f "${PROJECT_DIR}/dist/test/package.json" -e 'this.devDependencies.mocha="10.2.0"'
+
 cd -
 

tsconfig.test.json

@@ -1,6 +1,7 @@
 {
     "extends": "./tsconfig.json",
     "compilerOptions": {
+        "outDir": "./dist/test",
         "rootDirs": ["./test"],
         "types": ["node", "mocha"]
     },