Use generic Item with typed content to reduce cache misses

rollup.config.js

@@ -1,6 +1,6 @@
 import nodeResolve from 'rollup-plugin-node-resolve'
-import commonjs from 'rollup-plugin-commonjs'
-import { terser } from 'rollup-plugin-terser'
+
+const localImports = process.env.LOCALIMPORTS
 
 const customModules = new Set([
   'y-websocket',
@@ -23,33 +23,18 @@ const debugResolve = {
     if (importee === 'yjs') {
       return `${process.cwd()}/src/index.js`
     }
-    /*
-    if (customModules.has(importee.split('/')[0])) {
-      return `${process.cwd()}/../${importee}/src/${importee}.js`
+    if (localImports) {
+      if (customModules.has(importee.split('/')[0])) {
+        return `${process.cwd()}/../${importee}/src/${importee}.js`
+      }
+      if (customLibModules.has(importee.split('/')[0])) {
+        return `${process.cwd()}/../${importee}`
+      }
     }
-    if (customLibModules.has(importee.split('/')[0])) {
-      return `${process.cwd()}/../${importee}`
-    }
-    */
     return null
   }
 }
 
-const minificationPlugins = process.env.PRODUCTION ? [terser({
-  module: true,
-  compress: {
-    hoist_vars: true,
-    module: true,
-    passes: 5,
-    pure_getters: true,
-    unsafe_comps: true,
-    unsafe_undefined: true
-  },
-  mangle: {
-    toplevel: true
-  }
-})] : []
-
 export default [{
   input: './src/index.js',
   output: [{
@@ -84,6 +69,5 @@ export default [{
       sourcemap: true,
       mainFields: ['module', 'browser', 'main']
     })
-    // commonjs()
   ]
 }]