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This repository was archived by the owner on Aug 25, 2025. It is now read-only.
Setting panic hook in initialization function causes wasm-pack to break #26
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@ThatNerdUKnow
Description
Describe the Bug
I'm defining my initalization function like so:
#[wasm_bindgen] pub fn init() { #[cfg(feature = "console_error_panic_hook")] panic::set_hook(Box::new(console_error_panic_hook::hook)); //set_panic_hook(); wasm_logger::init(wasm_logger::Config::default()); }
This gives the following error when running wasm-pack build --release
thread 'main' panicked at 'assertion failed: `(left == right)`
left: `"Error"`,
right: `"Error2"`', crates\cli-support\src\js\mod.rs:175:21
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Error: Running the wasm-bindgen CLI
Caused by: Running the wasm-bindgen CLI
Caused by: failed to execute `wasm-bindgen`: exited with exit code: 101
full command: "C:\\Users\\brand\\AppData\\Local\\.wasm-pack\\wasm-bindgen-7e757a9923d43b8a\\wasm-bindgen.exe" "C:\\Users\\brand\\repos\\celeste\\satellite-rs\\target\\wasm32-unknown-unknown\\release\\satellite_rs.wasm" "--out-dir" "C:\\Users\\brand\\repos\\celeste\\satellite-rs\\pkg" "--typescript" "--target" "bundler"
this error does not occur if I disable the "console_error_panic_hook" feature
Steps to Reproduce
- See error
Expected Behavior
I would expect that I would be able to create a wasm-bindgen function that I can call from my frontend to initalize the logging hook
Actual Behavior
Got the following error on wasm-pack build:
thread 'main' panicked at 'assertion failed: `(left == right)`
left: `"Error"`,
right: `"Error2"`', crates\cli-support\src\js\mod.rs:175:21
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Error: Running the wasm-bindgen CLI
Caused by: Running the wasm-bindgen CLI
Caused by: failed to execute `wasm-bindgen`: exited with exit code: 101
full command: "C:\\Users\\brand\\AppData\\Local\\.wasm-pack\\wasm-bindgen-7e757a9923d43b8a\\wasm-bindgen.exe" "C:\\Users\\brand\\repos\\celeste\\satellite-rs\\target\\wasm32-unknown-unknown\\release\\satellite_rs.wasm" "--out-dir" "C:\\Users\\brand\\repos\\celeste\\satellite-rs\\pkg" "--typescript" "--target" "bundler"