From 823b4d98ffb8aced792e9e3844cc1bfaf3e493f5 Mon Sep 17 00:00:00 2001
From: Hurricane996 <levijwillrich@gmail.com>
Date: Tue, 18 Jan 2022 20:35:00 -0600
Subject: [PATCH 1/2] Added console_error_panic_hook to make debugging
 livesplit-core in a wasm context (currently only LiveSplitOne web) easier

---
 capi/Cargo.toml | 1 +
 capi/src/lib.rs | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/capi/Cargo.toml b/capi/Cargo.toml
index 6f55727a..4f20e624 100644
--- a/capi/Cargo.toml
+++ b/capi/Cargo.toml
@@ -8,6 +8,7 @@ edition = "2018"
 livesplit-core = { path = "..", default-features = false, features = ["std"] }
 serde_json = "1.0.8"
 time = { version = "0.3.4" }
+console_error_panic_hook = "0.1.7"
 
 [features]
 default = ["image-shrinking"]
diff --git a/capi/src/lib.rs b/capi/src/lib.rs
index e3437728..cd22a993 100644
--- a/capi/src/lib.rs
+++ b/capi/src/lib.rs
@@ -11,6 +11,8 @@ use std::{
     ptr,
 };
 
+extern crate console_error_panic_hook;
+
 pub mod analysis;
 pub mod auto_splitting_runtime;
 pub mod atomic_date_time;
@@ -193,3 +195,8 @@ pub extern "C" fn dealloc(ptr: *mut u8, cap: usize) {
 pub extern "C" fn get_buf_len() -> usize {
     OUTPUT_VEC.with(|v| v.borrow().len() - 1)
 }
+
+#[no_mangle]
+pub extern "C" fn initialize_debugging() {
+    console_error_panic_hook::set_once();
+}
\ No newline at end of file

From 59a8bee6f683c8151b3e67be62af1353263101f8 Mon Sep 17 00:00:00 2001
From: Hurricane996 <levijwillrich@gmail.com>
Date: Tue, 18 Jan 2022 20:40:18 -0600
Subject: [PATCH 2/2] conditionally compile wasm debug changes only when
 compiling for wasm-web

---
 capi/Cargo.toml | 4 ++--
 capi/src/lib.rs | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/capi/Cargo.toml b/capi/Cargo.toml
index 4f20e624..a895927f 100644
--- a/capi/Cargo.toml
+++ b/capi/Cargo.toml
@@ -8,11 +8,11 @@ edition = "2018"
 livesplit-core = { path = "..", default-features = false, features = ["std"] }
 serde_json = "1.0.8"
 time = { version = "0.3.4" }
-console_error_panic_hook = "0.1.7"
+console_error_panic_hook = { version = "0.1.7", optional = true }
 
 [features]
 default = ["image-shrinking"]
 image-shrinking = ["livesplit-core/image-shrinking"]
 software-rendering = ["livesplit-core/software-rendering"]
-wasm-web = ["livesplit-core/wasm-web"]
+wasm-web = ["livesplit-core/wasm-web", "console_error_panic_hook"]
 auto-splitting = ["livesplit-core/auto-splitting"]
diff --git a/capi/src/lib.rs b/capi/src/lib.rs
index cd22a993..1cf330f4 100644
--- a/capi/src/lib.rs
+++ b/capi/src/lib.rs
@@ -196,6 +196,10 @@ pub extern "C" fn get_buf_len() -> usize {
     OUTPUT_VEC.with(|v| v.borrow().len() - 1)
 }
 
+
+/// sets the console error panic hook
+/// this means that when rust panics in wasm, the panic message will be sent to js console
+#[cfg(feature = "wasm-web")]
 #[no_mangle]
 pub extern "C" fn initialize_debugging() {
     console_error_panic_hook::set_once();