mirror of
https://github.com/denoland/deno.git
synced 2024-11-22 15:06:54 -05:00
40 lines
1.3 KiB
Rust
40 lines
1.3 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
|
|
|
|
//! There are many types of errors in Deno:
|
|
//! - AnyError: a generic wrapper that can encapsulate any type of error.
|
|
//! - JsError: a container for the error message and stack trace for exceptions
|
|
//! thrown in JavaScript code. We use this to pretty-print stack traces.
|
|
//! - Diagnostic: these are errors that originate in TypeScript's compiler.
|
|
//! They're similar to JsError, in that they have line numbers. But
|
|
//! Diagnostics are compile-time type errors, whereas JsErrors are runtime
|
|
//! exceptions.
|
|
|
|
use deno_ast::Diagnostic;
|
|
use deno_core::error::AnyError;
|
|
use import_map::ImportMapError;
|
|
|
|
fn get_import_map_error_class(_: &ImportMapError) -> &'static str {
|
|
"URIError"
|
|
}
|
|
|
|
fn get_diagnostic_class(_: &Diagnostic) -> &'static str {
|
|
"SyntaxError"
|
|
}
|
|
|
|
pub(crate) fn get_error_class_name(e: &AnyError) -> &'static str {
|
|
deno_runtime::errors::get_error_class_name(e)
|
|
.or_else(|| {
|
|
e.downcast_ref::<ImportMapError>()
|
|
.map(get_import_map_error_class)
|
|
})
|
|
.or_else(|| e.downcast_ref::<Diagnostic>().map(get_diagnostic_class))
|
|
.unwrap_or_else(|| {
|
|
panic!(
|
|
"Error '{}' contains boxed error of unknown type:{}",
|
|
e,
|
|
e.chain()
|
|
.map(|e| format!("\n {:?}", e))
|
|
.collect::<String>()
|
|
);
|
|
})
|
|
}
|