Use latest node version.

.github/workflows/backend-tests.yml

@@ -45,12 +45,14 @@ jobs:
       -
         uses: actions/setup-node@v3
         with:
-          node-version: 12
+          node-version: 20
           cache: 'npm'
           cache-dependency-path: |
             src/package-lock.json
             src/bin/doc/package-lock.json
             node_modules/${{ steps.plugin_name.outputs.plugin_name }}/package-lock.json
+      - run: npm install [email protected] -g
+        name: Install legacy npm for correct dependency resolution
       -
         name: Install plugin dependencies
         run: |

.github/workflows/frontend-tests.yml

@@ -34,11 +34,13 @@ jobs:
       -
         uses: actions/setup-node@v3
         with:
-          node-version: 12
+          node-version: 20
           cache: 'npm'
           cache-dependency-path: |
             src/package-lock.json
             src/bin/doc/package-lock.json
+      - run: npm install [email protected] -g
+        name: Install legacy npm for correct dependency resolution
       -
         name: Check out the plugin
         uses: actions/checkout@v3

.github/workflows/npmpublish.yml

@@ -42,12 +42,14 @@ jobs:
       -
         uses: actions/setup-node@v3
         with:
-          node-version: 12
+          node-version: 20
           cache: 'npm'
           cache-dependency-path: |
             node_modules/ep_etherpad-lite/package-lock.json
             node_modules/ep_etherpad-lite/bin/doc/package-lock.json
             package-lock.json
+      - run: npm install [email protected] -g
+        name: Install legacy npm for correct dependency resolution
       # All of ep_etherpad-lite's devDependencies are installed because the
       # plugin might do `require('ep_etherpad-lite/node_modules/${devDep}')`.
       # Eventually it would be nice to create an ESLint plugin that prohibits

.gitignore

@@ -1,4 +1,5 @@
 npm-debug.log
 node_modules
 .ep_initialized
-node_modules/
+node_modules/
+.idea