add an esbuild plugin for minified dependencies

apps/dashboard/esbuild.config.js

@@ -37,14 +37,42 @@ const prepPlugin = {
   },
 }
 
+// We can run into conflicts if we use the minified
+// version of some dependencies. So this plugin ensures
+// that we compile the source code of a given dependency
+// instead of the minified version.
+//
+// See https://github.com/OSC/ondemand/issues/3688 for more information.
+const minifiedSrcResolvePlugin = {
+  name: 'minifiedSrcResolvePlugin',
+  setup(build) {
+
+    build.onResolve({ filter: /preact|exifr.*/ }, args => {
+
+      const preactBase = `${__dirname}/node_modules/preact`;
+      const lookup = {
+        'preact': `${preactBase}/src/index.js`,
+        'preact/hooks': `${preactBase}/hooks/src/index.js`,
+        'exifr/dist/mini.esm.mjs': `${__dirname}/node_modules/exifr/src/bundles/mini.mjs`,
+      }
+
+      for (const [key, value] of Object.entries(lookup)) {
+        if(args.path == key) {
+          return { path: value }
+        }
+      }
+    })
+  },
+}
+
 esbuild.build({
   entryPoints: entryPoints,
   bundle: true,
   sourcemap: true,
   format: 'esm',
   outdir: buildDir,
   external: ['fs'],
-  plugins: [prepPlugin],
+  plugins: [prepPlugin, minifiedSrcResolvePlugin],
   minify: process.env.RAILS_ENV == 'production' ? true : false,
 }).catch((e) => console.error(e.message));