Move legacy node version tests to GitHub actions (#11952)

* chore: run node 6 and 8 test on GitHub actions

* fix: apply dynamicImportUrlToPath polyfill on publish

* Apply hacks unconditionally

* try fix highlight issues

* address review comments

* chore: add test-legacy build env

* Update .travis.yml [skip ci]

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: Node CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Use Node.js latest
+        uses: actions/setup-node@v2-beta
+      - name: Generate coverage report
+        run: |
+          make -j test-ci-coverage
+      - name: Upload coverage report
+        uses: codecov/codecov-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
+  legacy-node-version-test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [6.x, 8.x]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Use Node.js latest
+        uses: actions/setup-node@v2-beta # Build Babel on latest node versions
+      - name: Build
+        run: |
+          BABEL_ENV=test-legacy make -j bootstrap
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2-beta
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Test on node.js ${{ matrix.node-version }}
+        # Hack: --color has supports-color@5 returned true for GitHub CI
+        # Remove once `chalk` is bumped to 4.0.
+        run: |
+          BABEL_ENV=test node ./node_modules/.bin/jest --ci --color

.github/workflows/coverage.yml

@@ -1,21 +0,0 @@
-name: Report Coverage
-
-on: [push, pull_request]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-      - name: Use Node.js latest
-        uses: actions/setup-node@v2-beta
-        with:
-          node-version: "*"
-      - name: Generate coverage report
-        run: |
-          make -j test-ci-coverage
-      - name: Upload coverage report
-        uses: codecov/codecov-action@v1
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}