Setup testing for multiple nodejs versions

.github/workflows/node.js.yml

@@ -12,13 +12,16 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [14.x, 16.x, 17.x]
 
     steps:
     - uses: actions/checkout@v2
-    - name: Use Node.js 14.x
+    - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
-        node-version: 14.x
+        node-version: ${{ matrix.node-version }}
     - run: npm install -g codecov
     - run: npm install
     - run: npm test

webpack.config.js

@@ -33,6 +33,7 @@ const baseConfig = mode => ({
   },
   output: {
     filename: 'mirador.min.js',
+    hashFunction: 'md5',
     library: 'Mirador',
     libraryExport: 'default',
     libraryTarget: 'umd',