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Prevent panic: Custom error class must have a builder registered: Uncaught null #730

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Prevent panic: Custom error class must have a builder registered: Uncaught null #730

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4 changes: 4 additions & 0 deletions core/error.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -152,6 +152,10 @@ pub fn to_v8_error<'a>(
if tc_scope.has_caught() {
let e = tc_scope.exception().unwrap();
let js_error = JsError::from_v8_exception(tc_scope, e);
// Return underlying error message rather than panicking
if js_error.exception_message == "Uncaught null" {
return message.into();
}
msg = format!("{}: {}", msg, js_error.exception_message);
}
panic!("{}", msg);
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