[backport 3.x] Fix template compiler deprecation in Ember 6.8 betas

.github/workflows/nodejs.yml

@@ -29,7 +29,8 @@ jobs:
   test:
     name: Tests
     runs-on: ubuntu-latest
-
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v4
@@ -38,13 +39,17 @@ jobs:
           cache: 'pnpm'
       - run: pnpm install
       - run: pnpm test
+      # For the Try Scenarios
+      - id: set-matrix
+        run: |
+          echo "matrix=$(pnpm -s dlx @embroider/try list)" >> $GITHUB_OUTPUT
 
   floating-test:
     name: Floating dependencies
+    needs: 'test'
     strategy:
-      matrix:
-        node: ['18', '20', '22']
-        os: ['ubuntu-latest', 'windows-latest']
+      fail-fast: false
+      matrix: ${{fromJson(needs.test.outputs.matrix)}}
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
@@ -53,5 +58,7 @@ jobs:
         with:
           cache: 'pnpm'
           node-version: ${{ matrix.node }}
+      - run: pnpm dlx @embroider/try apply ${{ matrix.name }}
       - run: pnpm install --no-lockfile
       - run: pnpm test
+        env: ${{ matrix.env }}

.try.mjs

@@ -0,0 +1,96 @@
+const embers = [
+  {
+    name: 'ember-lts-3.28',
+    npm: {
+      devDependencies: {
+        'ember-source': '~3.28.0',
+      },
+    },
+    env: {
+      NO_LEXICAL_THIS: true,
+    },
+  },
+  {
+    name: 'ember-lts-4.12',
+    npm: {
+      devDependencies: {
+        'ember-source': '~4.12.0',
+      },
+    },
+    env: {
+      NO_LEXICAL_THIS: true,
+    },
+  },
+  {
+    name: 'ember-lts-5.12',
+    npm: {
+      devDependencies: {
+        'ember-source': '~5.12.0',
+      },
+    },
+    env: {
+      NO_LEXICAL_THIS: true,
+    },
+  },
+  {
+    name: 'ember-lts-6.4',
+    npm: {
+      devDependencies: {
+        'ember-source': 'npm:ember-source@~6.4.0',
+      },
+    },
+  },
+  {
+    name: 'ember-latest',
+    npm: {
+      devDependencies: {
+        'ember-source': 'npm:ember-source@latest',
+      },
+    },
+  },
+  {
+    name: 'ember-beta',
+    npm: {
+      devDependencies: {
+        'ember-source': 'npm:ember-source@beta',
+      },
+    },
+  },
+];
+
+const nodes = ['18', '20', '22'];
+
+const scenarios = nodes.flatMap((node) =>
+  embers.map((s) => ({
+    ...s,
+    node,
+    name: s.name + `-node-${node}`,
+    os: 'ubuntu-latest',
+  }))
+);
+
+/* Windows spot checks */
+scenarios.push({
+  name: 'ember-latest-windows',
+  os: 'windows-latest',
+  node: '22',
+  npm: {
+    devDependencies: {
+      'ember-source': 'npm:ember-source@latest',
+    },
+  },
+});
+scenarios.push({
+  name: 'ember-lts-6.4-windows',
+  os: 'windows-latest',
+  node: '22',
+  npm: {
+    devDependencies: {
+      'ember-source': 'npm:ember-source@~6.4.0',
+    },
+  },
+});
+
+export default {
+  scenarios,
+};