46 lines
1.4 KiB
Rust
46 lines
1.4 KiB
Rust
use wasm_bindgen::prelude::*;
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pub fn set_panic_hook() {
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// When the `console_error_panic_hook` feature is enabled, we can call the
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// `set_panic_hook` function at least once during initialization, and then
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// we will get better error messages if our code ever panics.
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//
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// For more details see
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// https://github.com/rustwasm/console_error_panic_hook#readme
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#[cfg(feature = "console_error_panic_hook")]
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console_error_panic_hook::set_once();
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}
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#[wasm_bindgen]
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extern "C" {
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#[wasm_bindgen(js_namespace = console)]
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fn log(msg: &str, format: &str);
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#[wasm_bindgen(js_namespace = console)]
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fn info(msg: &str, format: &str);
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#[wasm_bindgen(js_namespace = console)]
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fn warn(msg: &str, format: &str);
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#[wasm_bindgen(js_namespace = console)]
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fn error(msg: &str, format: &str);
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}
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#[derive(Default)]
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pub struct WasmLog;
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impl log::Log for WasmLog {
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fn enabled(&self, metadata: &log::Metadata) -> bool {
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metadata.level() <= log::Level::Info
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}
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fn log(&self, record: &log::Record) {
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let (log, name, color): (fn(&str, &str), &str, &str) = match record.level() {
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log::Level::Trace => (log, "trace", "color:plum"),
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log::Level::Debug => (log, "debug", "color:cyan"),
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log::Level::Warn => (warn, "warn", "color:goldenrod"),
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log::Level::Info => (info, "info", "color:mediumseagreen"),
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log::Level::Error => (error, "error", "color:red"),
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};
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let msg = &format!("%c{}\t{}", name, record.args());
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log(msg, color)
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}
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fn flush(&self) {}
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}
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