Add command line option for generating TS support files in generator

src/it/resources/expected/all_datatypes/generated-files.txt

@@ -42,7 +42,7 @@ src/it/resources/result/all_datatypes/wasm/enum_data.hpp
 src/it/resources/result/all_datatypes/wasm/enum_data.cpp
 src/it/resources/result/all_datatypes/wasm/all_datatypes.hpp
 src/it/resources/result/all_datatypes/wasm/all_datatypes.cpp
-src/it/resources/result/all_datatypes/ts/DjinniModule.ts
-src/it/resources/result/all_datatypes/ts/DjinniModule.js
+src/it/resources/result/all_datatypes/ts/support-lib/DjinniModule.ts
+src/it/resources/result/all_datatypes/ts/support-lib/DjinniModule.js
 src/it/resources/result/all_datatypes/ts/module.ts
 

src/it/resources/expected/deprecation/generated-files.txt

@@ -3,7 +3,7 @@ src/it/resources/result/deprecation/cpp-headers/my_flags.hpp
 src/it/resources/result/deprecation/cpp-headers/my_record.hpp
 src/it/resources/result/deprecation/cpp-headers/my_interface.hpp
 src/it/resources/result/deprecation/cpp/my_interface.cpp
-src/it/resources/result/deprecation/ts/DjinniModule.ts
-src/it/resources/result/deprecation/ts/DjinniModule.js
+src/it/resources/result/deprecation/ts/support-lib/DjinniModule.ts
+src/it/resources/result/deprecation/ts/support-lib/DjinniModule.js
 src/it/resources/result/deprecation/ts/module.ts
 

src/it/resources/expected/my_client_interface/generated-files.txt

@@ -16,6 +16,6 @@ src/it/resources/result/my_client_interface/cwrapper/cw__my_client_interface.cpp
 src/it/resources/result/my_client_interface/cffi/pycffi_lib_build.py
 src/it/resources/result/my_client_interface/wasm/my_client_interface.hpp
 src/it/resources/result/my_client_interface/wasm/my_client_interface.cpp
-src/it/resources/result/my_client_interface/ts/DjinniModule.ts
-src/it/resources/result/my_client_interface/ts/DjinniModule.js
+src/it/resources/result/my_client_interface/ts/support-lib/DjinniModule.ts
+src/it/resources/result/my_client_interface/ts/support-lib/DjinniModule.js
 src/it/resources/result/my_client_interface/ts/module.ts

src/it/resources/expected/my_cpp_interface/generated-files.txt

@@ -18,7 +18,7 @@ src/it/resources/result/my_cpp_interface/cwrapper/cw__my_cpp_interface.cpp
 src/it/resources/result/my_cpp_interface/cffi/pycffi_lib_build.py
 src/it/resources/result/my_cpp_interface/wasm/my_cpp_interface.hpp
 src/it/resources/result/my_cpp_interface/wasm/my_cpp_interface.cpp
-src/it/resources/result/my_cpp_interface/ts/DjinniModule.ts
-src/it/resources/result/my_cpp_interface/ts/DjinniModule.js
+src/it/resources/result/my_cpp_interface/ts/support-lib/DjinniModule.ts
+src/it/resources/result/my_cpp_interface/ts/support-lib/DjinniModule.js
 src/it/resources/result/my_cpp_interface/ts/module.ts
 

src/it/resources/expected/my_enum/generated-files.txt

@@ -13,7 +13,7 @@ src/it/resources/result/my_enum/cwrapper/dh__my_enum.hpp
 src/it/resources/result/my_enum/cwrapper/dh__my_enum.cpp
 src/it/resources/result/my_enum/wasm/my_enum.hpp
 src/it/resources/result/my_enum/wasm/my_enum.cpp
-src/it/resources/result/my_enum/ts/DjinniModule.ts
-src/it/resources/result/my_enum/ts/DjinniModule.js
+src/it/resources/result/my_enum/ts/support-lib/DjinniModule.ts
+src/it/resources/result/my_enum/ts/support-lib/DjinniModule.js
 src/it/resources/result/my_enum/ts/module.ts
 

src/it/resources/expected/my_flags/generated-files.txt

@@ -13,7 +13,7 @@ src/it/resources/result/my_flags/cwrapper/dh__my_flags.hpp
 src/it/resources/result/my_flags/cwrapper/dh__my_flags.cpp
 src/it/resources/result/my_flags/wasm/my_flags.hpp
 src/it/resources/result/my_flags/wasm/my_flags.cpp
-src/it/resources/result/my_flags/ts/DjinniModule.ts
-src/it/resources/result/my_flags/ts/DjinniModule.js
+src/it/resources/result/my_flags/ts/support-lib/DjinniModule.ts
+src/it/resources/result/my_flags/ts/support-lib/DjinniModule.js
 src/it/resources/result/my_flags/ts/module.ts
 

src/it/resources/expected/my_record/generated-files.txt

@@ -26,7 +26,7 @@ src/it/resources/result/my_record/cwrapper/dh__my_record.hpp
 src/it/resources/result/my_record/cwrapper/dh__my_record.cpp
 src/it/resources/result/my_record/wasm/my_record.hpp
 src/it/resources/result/my_record/wasm/my_record.cpp
-src/it/resources/result/my_record/ts/DjinniModule.ts
-src/it/resources/result/my_record/ts/DjinniModule.js
+src/it/resources/result/my_record/ts/support-lib/DjinniModule.ts
+src/it/resources/result/my_record/ts/support-lib/DjinniModule.js
 src/it/resources/result/my_record/ts/module.ts
 

src/it/resources/expected/using_custom_datatypes/generated-files.txt

@@ -34,6 +34,6 @@ src/it/resources/result/using_custom_datatypes/wasm/custom_datatype.hpp
 src/it/resources/result/using_custom_datatypes/wasm/custom_datatype.cpp
 src/it/resources/result/using_custom_datatypes/wasm/other_record.hpp
 src/it/resources/result/using_custom_datatypes/wasm/other_record.cpp
-src/it/resources/result/using_custom_datatypes/ts/DjinniModule.ts
-src/it/resources/result/using_custom_datatypes/ts/DjinniModule.js
+src/it/resources/result/using_custom_datatypes/ts/support-lib/DjinniModule.ts
+src/it/resources/result/using_custom_datatypes/ts/support-lib/DjinniModule.js
 src/it/resources/result/using_custom_datatypes/ts/module.ts

src/it/scala/djinni/IntegrationTest.scala

@@ -156,6 +156,7 @@ class IntegrationTest extends AnyFunSpec {
       cmd += s" --wasm-out $baseOutputPath/$idl/$WASM"
       cmd += s" --wasm-namespace testsuite"
       cmd += s" --ts-out $baseOutputPath/$idl/$TS"
+      cmd += s" --ts-support-files-out $baseOutputPath/$idl/$TS/support-lib"
     }
     if (useNNHeader) {
       cmd += " --cpp-nn-header nn.hpp"

src/main/scala/djinni/Main.scala

@@ -118,7 +118,7 @@ object Main {
     var jsIdentStyle = IdentStyle.jsDefault
     var tsOutFolder: Option[File] = None
     var tsModule: String = "module"
-    var tsGenerateSupportFiles: Boolean = false
+    var tsSupportFilesOutFolder: Option[File] = None
 
     val argParser: OptionParser[Unit] = new scopt.OptionParser[Unit]("djinni") {
 
@@ -605,11 +605,12 @@ object Main {
         .valueName("<name>")
         .foreach(tsModule = _)
         .text("TypeScript declaration module name (default: \"module\").")
-      opt[Boolean]("ts-generate-support-files")
-        .valueName("<true/false>")
-        .foreach(x => tsGenerateSupportFiles = x)
+
+      opt[File]("ts-support-files-out")
+        .valueName("<out-folder>")
+        .foreach(x => tsSupportFilesOutFolder = Some(x))
         .text(
-          "Whether to generate DjinniModule.[ts/js] or not. (default: true)"
+          "Folder in which to generate DjinniModule.[ts/js] files. (Not generated if not specified)"
         )
 
       note(
@@ -1036,7 +1037,7 @@ object Main {
       jsIdentStyle,
       tsOutFolder,
       tsModule,
-      tsGenerateSupportFiles,
+      tsSupportFilesOutFolder,
       idlFile.getName.stripSuffix(".djinni")
     )
 

src/main/scala/djinni/TsGenerator.scala

@@ -254,7 +254,7 @@ class TsGenerator(spec: Spec) extends Generator(spec) {
     }
   // --------------------------------------------------------------------------
   override def generate(idl: Seq[TypeDecl]) {
-    if(spec.tsGenerateSupportFiles) {
+    if (!spec.tsSupportFilesOutFolder.isEmpty) {
       writeDjinniModuleFilesFile()
     }
     createFile(
@@ -353,16 +353,19 @@ class TsGenerator(spec: Spec) extends Generator(spec) {
   ) {}
 
   def writeDjinniModuleFile(f: IndentWriter => Unit, ext: String): Unit = {
-    createFileOnce(
-      spec.tsOutFolder.get,
-      s"DjinniModule.$ext",
-      (w: IndentWriter) => {
-        w.wl("// AUTOGENERATED FILE - DO NOT MODIFY!")
-        w.wl("// This file was generated by Djinni")
-        w.wl
-        f(w)
-      }
-    )
+    if (!spec.skipGeneration) {
+      createFolder("TS Support lib", spec.tsSupportFilesOutFolder.get)
+      createFileOnce(
+        spec.tsSupportFilesOutFolder.get,
+        s"DjinniModule.$ext",
+        (w: IndentWriter) => {
+          w.wl("// AUTOGENERATED FILE - DO NOT MODIFY!")
+          w.wl("// This file was generated by Djinni")
+          w.wl
+          f(w)
+        }
+      )
+    }
   }
 
   def writeDjinniModuleFilesFile(): Unit = {

src/main/scala/djinni/generator.scala

@@ -113,7 +113,7 @@ package object generatorTools {
       jsIdentStyle: JsIdentStyle,
       tsOutFolder: Option[File],
       tsModule: String,
-      tsGenerateSupportFiles: Boolean,
+      tsSupportFilesOutFolder: Option[File],
       moduleName: String
   )