From b637b94892493fc270a3f74f8166f7ee0ef4f158 Mon Sep 17 00:00:00 2001
From: John O'Reilly <oreillyj@gmail.com>
Date: Thu, 29 Aug 2024 19:41:02 +0100
Subject: [PATCH] diagnosing wasm issues in safari preview version

---
 compose-web/build.gradle.kts              | 36 +++++++++++++++++++++++
 compose-web/src/wasmJsMain/kotlin/Main.kt |  1 +
 2 files changed, 37 insertions(+)

diff --git a/compose-web/build.gradle.kts b/compose-web/build.gradle.kts
index 3f0884289..6dbc4c810 100644
--- a/compose-web/build.gradle.kts
+++ b/compose-web/build.gradle.kts
@@ -51,3 +51,39 @@ kotlin {
 compose.experimental {
     web.application {}
 }
+
+
+tasks.withType<org.jetbrains.kotlin.gradle.targets.js.binaryen.BinaryenExec>().configureEach {
+    binaryenArgs = mutableListOf(
+        // Proposals
+        "--enable-gc",
+        "--enable-reference-types",
+        "--enable-exception-handling",
+        "--enable-bulk-memory",  // For array initialization from data sections
+
+        // Other options
+        "--enable-nontrapping-float-to-int",
+        "--closed-world",
+
+        // Optimizations:
+        // Note the order and repetition of the next options matter.
+        //
+        // About Binaryen optimizations:
+        // GC Optimization Guidebook -- https://github.com/WebAssembly/binaryen/wiki/GC-Optimization-Guidebook
+        // Optimizer Cookbook -- https://github.com/WebAssembly/binaryen/wiki/Optimizer-Cookbook
+        //
+        "--inline-functions-with-loops",
+        "--traps-never-happen",
+        "--fast-math",
+        // without "--type-merging" it produces increases the size
+        "--type-ssa",
+        "-O3",
+        "-O3",
+        "--gufa",
+        "-O3",
+        // requires --closed-world
+        "--type-merging",
+        "-O3",
+        "-Oz",
+    )
+}
\ No newline at end of file
diff --git a/compose-web/src/wasmJsMain/kotlin/Main.kt b/compose-web/src/wasmJsMain/kotlin/Main.kt
index 68f3d577b..6dac16ba8 100644
--- a/compose-web/src/wasmJsMain/kotlin/Main.kt
+++ b/compose-web/src/wasmJsMain/kotlin/Main.kt
@@ -31,6 +31,7 @@ val koin = initKoin {
 fun main() {
     val lifecycle = LifecycleRegistry(Lifecycle.State.STARTED)
 
+    println("JFOR, start of main")
     val appComponent =
         DefaultAppComponent(
             componentContext = DefaultComponentContext(lifecycle),