add support for pdf previews with pdf.js

next.config.js

@@ -1,4 +1,22 @@
 module.exports = {
+  webpack: (config) => {
+    // load worker files as a urls with `file-loader`
+    config.module.rules.unshift({
+      test: /pdf\.worker\.(min\.)?js/,
+      use: [
+        {
+          loader: "file-loader",
+          options: {
+            name: "[contenthash].[ext]",
+            publicPath: "_next/static/worker",
+            outputPath: "static/worker"
+          }
+        }
+      ]
+    });
+
+    return config;
+  },
   reactStrictMode: true,
   images: {
     domains: ['public.dm.files.1drv.com'],