repl_wasm: disable console_error_panic_hook for tests

repl_test/test_wasm.sh

@@ -4,7 +4,7 @@ set -eux
 # We *could* write a build.rs to do this but we'd have nested cargo processes with different targets.
 # That can be solved using two separate target direcories with --target-dir but there isn't a huge win.
 # We need to clear RUSTFLAGS for this command, as CI sets normally some flags that are specific to CPU targets.
-RUSTFLAGS="" cargo build --target wasm32-unknown-unknown -p roc_repl_wasm --features wasmer --release
+RUSTFLAGS="" cargo build --target wasm32-unknown-unknown -p roc_repl_wasm --no-default-features --features wasmer --release
 
 # Build & run the test code on *native* target, not WebAssembly
 cargo test -p repl_test --features wasm -- --test-threads=1

repl_wasm/Cargo.toml

@@ -11,7 +11,7 @@ roc_builtins = {path = "../compiler/builtins"}
 
 [dependencies]
 bumpalo = {version = "3.8.0", features = ["collections"]}
-console_error_panic_hook = "0.1.7"
+console_error_panic_hook = {version = "0.1.7", optional = true}
 futures = {version = "0.3.17", optional = true}
 js-sys = "0.3.56"
 wasm-bindgen = "0.2.79"
@@ -26,6 +26,7 @@ roc_target = {path = "../compiler/roc_target"}
 roc_types = {path = "../compiler/types"}
 
 [features]
+default = ["console_error_panic_hook"]
 wasmer = ["futures"]
 
 [package.metadata.wasm-pack.profile.profiling]

repl_wasm/src/lib.rs

@@ -1,10 +1,11 @@
-extern crate console_error_panic_hook;
 mod repl;
 
 //
 // Interface with external JS in the browser
 //
 #[cfg(not(feature = "wasmer"))]
+extern crate console_error_panic_hook;
+#[cfg(not(feature = "wasmer"))]
 mod externs_js;
 #[cfg(not(feature = "wasmer"))]
 pub use externs_js::{entrypoint_from_js, js_create_app, js_get_result_and_memory, js_run_app};

repl_wasm/src/repl.rs

@@ -155,6 +155,7 @@ impl<'a> ReplApp<'a> for WasmReplApp<'a> {
 }
 
 pub async fn entrypoint_from_js(src: String) -> Result<String, String> {
+    #[cfg(not(feature = "wasmer"))]
     console_error_panic_hook::set_once();
 
     let arena = &Bump::new();