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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
/** A Deno specific error. The `kind` property is set to a specific error code
* which can be used to in application logic.
*
* try {
* somethingThatMightThrow();
* } catch (e) {
* if (
* e instanceof Deno.DenoError &&
* e.kind === Deno.ErrorKind.Overflow
* ) {
* console.error("Overflow error!");
* }
* }
*
*/
export class DenoError<T extends ErrorKind> extends Error {
constructor(readonly kind: T, msg: string) {
super(msg);
this.name = ErrorKind[kind];
}
}
// Warning! The values in this enum are duplicated in cli/msg.rs
// Update carefully!
export enum ErrorKind {
NoError = 0,
NotFound = 1,
PermissionDenied = 2,
ConnectionRefused = 3,
ConnectionReset = 4,
ConnectionAborted = 5,
NotConnected = 6,
AddrInUse = 7,
AddrNotAvailable = 8,
BrokenPipe = 9,
AlreadyExists = 10,
WouldBlock = 11,
InvalidInput = 12,
InvalidData = 13,
TimedOut = 14,
Interrupted = 15,
WriteZero = 16,
Other = 17,
UnexpectedEof = 18,
BadResource = 19,
CommandFailed = 20,
EmptyHost = 21,
IdnaError = 22,
InvalidPort = 23,
InvalidIpv4Address = 24,
InvalidIpv6Address = 25,
InvalidDomainCharacter = 26,
RelativeUrlWithoutBase = 27,
RelativeUrlWithCannotBeABaseBase = 28,
SetHostOnCannotBeABaseUrl = 29,
Overflow = 30,
HttpUser = 31,
HttpClosed = 32,
HttpCanceled = 33,
HttpParse = 34,
HttpOther = 35,
TooLarge = 36,
InvalidUri = 37,
InvalidSeekMode = 38,
OpNotAvailable = 39,
WorkerInitFailed = 40,
UnixError = 41,
NoAsyncSupport = 42,
NoSyncSupport = 43,
ImportMapError = 44,
InvalidPath = 45,
ImportPrefixMissing = 46,
UnsupportedFetchScheme = 47,
TooManyRedirects = 48,
Diagnostic = 49,
JSError = 50,
TypeError = 51,
/** TODO this is a DomException type, and should be moved out of here when possible */
DataCloneError = 52
}
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