fix infinite bundle size bug

frontend/filemap.js

@@ -0,0 +1,3 @@
+import index from "sw-filemap"
+
+self.filemap = JSON.parse(index);

frontend/public/filemap.js

@@ -0,0 +1 @@
+// file intentionally left empty

frontend/public/sw.js

@@ -6,10 +6,8 @@
  * However, if a user changes the location of uv.bundle.js/uv.config.js or sw.js is not relative to them, they will need to modify this script locally.
  */
 
-// import index from "sw-filemap"
-
-// let filemap = JSON.parse(index);
-let filemap = {};
+self.filemap = {};
+importScripts("filemap.js");
 
 importScripts('uv/uv.bundle.js');
 importScripts('uv.config.js');

frontend/sw_transform.js

@@ -19,8 +19,8 @@ const transform = options => {
     return {
         name: 'esbuild-sw-transformer',
         setup(build) {
-            if (_fs.existsSync("./sw.js"))
-                fs.rm("./sw.js");
+            if (_fs.existsSync("./filemap.js"))
+                fs.rm("./filemap.js");
             build.onResolve({ filter }, args => {
                 const realPath = args.path.replace(filter, '');
                 return {
@@ -68,9 +68,9 @@ const transform = options => {
 };
 
 build({
-    entryPoints: ['../public/sw.js'],
+    entryPoints: ['../filemap.js'],
     bundle: true,
-    outfile: 'sw.js',
+    outfile: 'filemap.js',
     plugins: [
         // Always include this plugin before others
         transform()