ci: test more node versions (#1130)

- test node v21
- explicitly test the lowest supported node version: v14.0.0

---------

Signed-off-by: Jan Kowalleck <jan.kowalleck@gmail.com>

.github/workflows/nodejs.yml

@@ -79,10 +79,12 @@ jobs:
         node-version:
           ## action based on https://github.com/actions/node-versions/releases
           ## see also: https://nodejs.org/en/about/releases/
-          - '20'      # Current
-          - '18'      # Active LTS
+          - '21'      # Current
+          - '20'      # LTS
+          - '18'
           - '16'
           - '14'
+          - '14.0.0'  # lowest supported
         os:
           - ubuntu-latest
           - windows-latest
@@ -102,12 +104,28 @@ jobs:
         shell: bash
         run: |
           set -ex
-          ## dont install all the dev-packages, especially since some are not runnable on node 14.0.0
+          dep_constraints=''
+          dev_requirements='jest jest-junit imurmurhash fast-glob'
+          # as long as npm cannot auto-resolve engine-constraints, we need to help here
+          case '${{ matrix.node-version }}' in
+            '14')
+              dep_constraints='normalize-package-data@^5'
+            ;;
+            '14.0.0')
+            dep_constraints='normalize-package-data@^3'
+            dev_requirements='jest@^26 jest-junit imurmurhash fast-glob'
+            ;;
+          esac
+          ## !! dont install all the dev-packages, especially since some are not runnable on node 14.0.0
+          if [[ -n "$dep_constraints" ]]
+          then
+            npm add --ignore-scripts --omit=dev --only=prod --production --loglevel=silly --save $dep_constraints
+          fi
           npm i --ignore-scripts --omit=dev --only=prod --production --loglevel=silly
           ## rebuild deps for which scripts were ignored, or partially installed - since "ignore-scripts" was used
           npm rebuild --loglevel=silly libxmljs2 || npm uninstall --no-save libxmljs2
           ## install the needed dev-deps
-          npm i --no-save jest jest-junit imurmurhash fast-glob
+          npm i --ignore-scripts --loglevel=silly --no-save $dev_requirements
       - name: fetch build artifact
         # see https://github.com/actions/download-artifact
         uses: actions/download-artifact@v3

.npmrc

@@ -1,5 +1,4 @@
 ;  see the docs: https://docs.npmjs.com/cli/v9/using-npm/config
 
-; engine-strict=true
+engine-strict=true
 package-lock=false
-