deps: conditionally install node-gyp for vs2026

Author: legendecas

.github/workflows/ci-win.yml

@@ -18,7 +18,6 @@ jobs:
           - standard
           - experimental
         node-version:
-          - 20.x
           - 22.x
           - 24.x
           - 25.x
@@ -60,6 +59,13 @@ jobs:
     - name: Install dependencies
       run: |
         npm install
+    # node-gyp@12 (from package.json) supports Visual Studio 2026, but only
+    # node-gyp@13 emits the linker options that Node.js 26 builds require
+    # (older node-gyp trips LNK1117 on '/opt:lldltojobs'). Upgrade in place for
+    # Node.js >= 26; other versions keep node-gyp@12.
+    - name: Use node-gyp@13 for Node.js >= 26
+      if: matrix.node-version == '26.x'
+      run: npm install --no-save node-gyp@13
     - name: npm test
       shell: bash
       run: |

.github/workflows/ci.yml

@@ -18,7 +18,6 @@ jobs:
           - standard
           - experimental
         node-version:
-          - 20.x
           - 22.x
           - 24.x
           - 25.x
@@ -55,6 +54,11 @@ jobs:
     - name: Install dependencies
       run: |
         npm install
+    # Node.js >= 26 requires node-gyp@13; older versions keep node-gyp@12
+    # (from package.json).
+    - name: Use node-gyp@13 for Node.js >= 26
+      if: matrix.node-version == '26.x'
+      run: npm install --no-save node-gyp@13
     - name: npm test
       run: |
         if [ "${{ matrix.api_version }}" = "experimental" ]; then

package.json

@@ -424,6 +424,7 @@
     "eslint": "^9.13.0",
     "fs-extra": "^11.1.1",
     "neostandard": "^0.12.0",
+    "node-gyp": "^12.4.0",
     "pre-commit": "^1.2.2",
     "semver": "^7.6.0"
   },