diff --git a/src/compiler/fan/assembler/Assembler.fan b/src/compiler/fan/assembler/Assembler.fan
index b3daff898..027425875 100644
--- a/src/compiler/fan/assembler/Assembler.fan
+++ b/src/compiler/fan/assembler/Assembler.fan
@@ -48,6 +48,7 @@ class Assembler : CompilerSupport, FConst
   {
     meta := pod.meta
     meta["pod.fcode"] = (!types.isEmpty).toStr
+    meta["pod.js"]    = (compiler.cjs != null || compiler.isSys).toStr
     return meta
   }
 
@@ -169,4 +170,5 @@ class Assembler : CompilerSupport, FConst
 //////////////////////////////////////////////////////////////////////////
 
   FPod? fpod
-}
\ No newline at end of file
+}
+
diff --git a/src/compiler/fan/ast/PodDef.fan b/src/compiler/fan/ast/PodDef.fan
index a2aedb225..08e5bb668 100644
--- a/src/compiler/fan/ast/PodDef.fan
+++ b/src/compiler/fan/ast/PodDef.fan
@@ -65,11 +65,12 @@ class PodDef : Node, CPod
 // Fields
 //////////////////////////////////////////////////////////////////////////
 
-  override CNamespace ns            // compiler's namespace
-  override const Str name           // simple pod name
-  Str:Str meta := Str:Str[:]        // pod meta-data props
-  Str:Obj index := Str:Obj[:]       // pod index props (vals are Str or Str[])
-  CompilationUnit[] units           // Tokenize
-  [Str:TypeDef]? typeDefs           // ScanForUsingsAndTypes
+  override CNamespace ns                // compiler's namespace
+  override const Str name               // simple pod name
+  override Str:Str meta := Str:Str[:]   // pod meta-data props
+  Str:Obj index := Str:Obj[:]           // pod index props (vals are Str or Str[])
+  CompilationUnit[] units               // Tokenize
+  [Str:TypeDef]? typeDefs               // ScanForUsingsAndTypes
+
+}
 
-}
\ No newline at end of file
diff --git a/src/compiler/fan/fcode/FPod.fan b/src/compiler/fan/fcode/FPod.fan
index 0b535ec6d..40a8e30b3 100644
--- a/src/compiler/fan/fcode/FPod.fan
+++ b/src/compiler/fan/fcode/FPod.fan
@@ -293,24 +293,25 @@ final class FPod : CPod, FConst
 // Fields
 //////////////////////////////////////////////////////////////////////////
 
-  override CNamespace ns    // compiler's namespace
-  override Str name         // pod's unique name
-  override Version version  // pod version
+  override CNamespace ns     // compiler's namespace
+  override Str name          // pod's unique name
+  override Version version   // pod version
   override CDepend[] depends // pod dependencies
-  Str:Str meta              // pod meta
-  Str:Obj index             // pod index
-  Zip? zip                  // zipped storage
-  FType[]? ftypes           // pod's declared types
-  FTable names              // identifier names: foo
-  FTable typeRefs           // types refs:   [pod,type,sig]
-  FTable fieldRefs          // fields refs:  [parent,name,type]
-  FTable methodRefs         // methods refs: [parent,name,ret,params]
-  FTable ints               // Int literals
-  FTable floats             // Float literals
-  FTable decimals           // Decimal literals
-  FTable strs               // Str literals
-  FTable durations          // Duration literals
-  FTable uris               // Uri literals
-  [Str:FType]? ftypesByName // if loaded
-
-}
\ No newline at end of file
+  override Str:Str meta      // pod meta
+  Str:Obj index              // pod index
+  Zip? zip                   // zipped storage
+  FType[]? ftypes            // pod's declared types
+  FTable names               // identifier names: foo
+  FTable typeRefs            // types refs:   [pod,type,sig]
+  FTable fieldRefs           // fields refs:  [parent,name,type]
+  FTable methodRefs          // methods refs: [parent,name,ret,params]
+  FTable ints                // Int literals
+  FTable floats              // Float literals
+  FTable decimals            // Decimal literals
+  FTable strs                // Str literals
+  FTable durations           // Duration literals
+  FTable uris                // Uri literals
+  [Str:FType]? ftypesByName  // if loaded
+
+}
+
diff --git a/src/compiler/fan/namespace/CPod.fan b/src/compiler/fan/namespace/CPod.fan
index d33eed983..b4905d45c 100644
--- a/src/compiler/fan/namespace/CPod.fan
+++ b/src/compiler/fan/namespace/CPod.fan
@@ -43,6 +43,16 @@ mixin CPod
   **
   abstract File file()
 
+  **
+  ** Pod meta data
+  **
+  abstract Str:Str meta()
+
+  **
+  ** Return if this pod has client side JavaScript
+  **
+  Bool hasJs() { meta["pod.js"] == "true" || name == "sys" }
+
   **
   ** Lookup a type by its simple name.  If the type doesn't
   ** exist and checked is true then throw UnknownTypeErr
@@ -87,4 +97,5 @@ mixin CPod
     return name
   }
 
-}
\ No newline at end of file
+}
+
diff --git a/src/compiler/fan/namespace/ReflectPod.fan b/src/compiler/fan/namespace/ReflectPod.fan
index 87c3d2589..19f0bfb1c 100644
--- a/src/compiler/fan/namespace/ReflectPod.fan
+++ b/src/compiler/fan/namespace/ReflectPod.fan
@@ -28,6 +28,8 @@ class ReflectPod : CPod
 
   override once File file() { Env.cur.findPodFile(name) }
 
+  override Str:Str meta() { pod.meta }
+
   override CType[] types()
   {
     if (!loadedAllTypes)
@@ -60,4 +62,5 @@ class ReflectPod : CPod
   private Str:ReflectType typeMap := Str:ReflectType[:]
   private Bool loadedAllTypes := false
 
-}
\ No newline at end of file
+}
+
diff --git a/src/compiler/fan/steps/CompileJs.fan b/src/compiler/fan/steps/CompileJs.fan
index 2230bcc75..acd87934f 100644
--- a/src/compiler/fan/steps/CompileJs.fan
+++ b/src/compiler/fan/steps/CompileJs.fan
@@ -27,15 +27,13 @@ class CompileJs  : CompilerStep
     if (needCompileJs)
     {
       compile("compilerJs::CompileJsPlugin")
-      genTsDecl
     }
 
-    if (pod.name != "sys")
+    if (needCompileEs)
     {
-      // we need to generate new javascript for all pods even if no js types
-      compile("compilerEs::CompileEsPlugin")
+      if (pod.name != "sys") compile("compilerEs::CompileEsPlugin")
+      genTsDecl
     }
-
   }
 
   private Void compile(Str qname)
@@ -71,6 +69,11 @@ class CompileJs  : CompilerStep
     }
   }
 
+  Bool needCompileEs()
+  {
+    needCompileJs
+  }
+
   Bool needCompileJs()
   {
     // in JS mode we force JS compilation
@@ -89,4 +92,5 @@ class CompileJs  : CompilerStep
     return this.hasJs
   }
 
-}
\ No newline at end of file
+}
+
diff --git a/src/compilerJava/fan/JavaPod.fan b/src/compilerJava/fan/JavaPod.fan
index aec385cf0..c8915a375 100644
--- a/src/compilerJava/fan/JavaPod.fan
+++ b/src/compilerJava/fan/JavaPod.fan
@@ -42,6 +42,8 @@ class JavaPod : CPod
 
   override File file() { throw UnsupportedErr() }
 
+  override const Str:Str meta := [:]
+
   const Str packageName
 
   override const Version version := Version.defVal
@@ -68,4 +70,5 @@ class JavaPod : CPod
   ** Is this the fanx.interop package?
   const Bool isInterop
 
-}
\ No newline at end of file
+}
+
diff --git a/src/doc/docIntro/doc/ChangeLog.fandoc b/src/doc/docIntro/doc/ChangeLog.fandoc
index d4933b943..79ec0b09b 100644
--- a/src/doc/docIntro/doc/ChangeLog.fandoc
+++ b/src/doc/docIntro/doc/ChangeLog.fandoc
@@ -22,6 +22,8 @@
 - Fix Color HSL implementation to match browser behavoir
 - Add MimeType.isText
 - Add util::LockFile
+- Redesign ES compiler to not generate code for every pod
+- Include TypeScript decl file in pods with JS code
 
 *Build 1.0.79 (17 Jul 2023)*
 - New yaml API
diff --git a/src/doc/docLang/doc/Pods.fandoc b/src/doc/docLang/doc/Pods.fandoc
index 4b4f80c35..fb9d76e7d 100644
--- a/src/doc/docLang/doc/Pods.fandoc
+++ b/src/doc/docLang/doc/Pods.fandoc
@@ -62,6 +62,7 @@ The following are the standardized keys automatically defined by compiler:
   - 'pod.isScript': was the pod compiled in script mode
   - 'pod.docSrc': should documentation include source code, see [BuildPod]`build::BuildPod.docSrc`
   - 'pod.docApi': should pod be included in documentation, see [BuildPod]`build::BuildPod.docApi`
+  - 'pod.js': does pod include client side JavaScript code (true or false)
   - 'pod.native.java': does pod use native Java code (true or false)
   - 'pod.native.dotnet': does pod use native .NET code (true or false)
   - 'pod.native.js': does pod use native JavaScript code (true or false)