ci(types): split type-check matrix by ESLint major (7/10)

Run published type checks against both ESLint 7 and 10.
Use per-matrix dependency setup and exclude unsupported TS combinations for ESLint 10.

Author: ledsun

.github/workflows/type-check.yml

@@ -7,11 +7,14 @@ permissions:
 
 jobs:
   test:
-    name: TS ${{ matrix.ts_version }}, "${{ matrix.ts_lib }}"
+    name: ESLint ${{ matrix.eslint_version }}, TS ${{ matrix.ts_version }}, "${{ matrix.ts_lib }}"
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
+        eslint_version:
+          - '7'
+          - '10'
         ts_version:
           # The official ESLint types are not compatible with TS 3.9
           # - 3.9
@@ -29,6 +32,10 @@ jobs:
           - es2015,dom
           - es2020
           - esnext
+        exclude:
+          # ESLint 10 types require TS >= 4.1 (mapped type `as`).
+          - eslint_version: '10'
+            ts_version: '4.0'
     steps:
       - uses: actions/checkout@v4
         with:
@@ -41,6 +48,17 @@ jobs:
           node-version: 'lts/*'
           skip-ls-check: true
 
+      - name: select eslint types
+        run: |
+          if [ "${{ matrix.eslint_version }}" = "10" ]; then
+            # Avoid dev dependency peer conflicts with eslint@10.
+            npm prune --omit=dev
+            npm uninstall --no-save @types/eslint
+            npm install --no-save --legacy-peer-deps eslint@^10 typescript@^5
+          else
+            npm install --no-save eslint@^7 @types/eslint@7.2.10
+          fi
+
       - name: build types
         run: npm run build-types
 
@@ -64,6 +82,15 @@ jobs:
         run: npm install --no-save "$ESLINT_PLUGIN_REACT_PATH" typescript@${{ matrix.ts_version }}
         working-directory: test-published-types
 
+      - name: select eslint for published types
+        run: |
+          if [ "${{ matrix.eslint_version }}" = "10" ]; then
+            npm install --no-save eslint@^10
+          else
+            npm install --no-save eslint@^7
+          fi
+        working-directory: test-published-types
+
       - name: show installed typescript version
         run: npm list typescript --depth=0
         working-directory: test-published-types