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[READ-ONLY] Mirror of https://github.com/FoxxMD/multi-scrobbler. Scrobble plays from multiple sources to multiple clients docs.multi-scrobbler.app
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3.5 kB · 119 lines
TypeScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119import { truncateStringToLength } from "../../core/StringUtils.js";
/** * Adapted from https://github.com/voxpelli/pony-cause/blob/main/lib/helpers.js to find cause by truthy function * */export const findCauseByFunc = <T extends Error = Error>(err: any, func: (e: Error) => boolean): T | undefined => { if (!err || !func) return; if (!(err instanceof Error)) return; if (typeof func !== 'function') { return; }
/** * Ensures we don't go circular */ const seen = new Set<Error>();
let currentErr: Error | undefined = err;
while (currentErr && !seen.has(currentErr)) { seen.add(currentErr);
if (func(currentErr)) { return currentErr as T; }
currentErr = getErrorCause(currentErr); }};export const findCauseByMessage = (err: any, msg: string) => { return findCauseByFunc(err, (e => e.message.toLocaleLowerCase().includes(msg.toLocaleLowerCase())));}/** * Adapted from https://github.com/voxpelli/pony-cause * */export const getErrorCause = (err: Error | { cause?: unknown | (() => Error | { cause?: unknown | (() => Error | any); });}): Error | undefined => { if (!err) return;
const cause = err.cause;
// VError / NError style causes if (typeof cause === 'function') { const causeResult = cause();
return causeResult instanceof Error ? causeResult : undefined; } else { return cause instanceof Error ? cause : undefined; }};/** * Adapted from https://github.com/voxpelli/pony-cause * */export const findCauseByReference = <T extends Error>(err: unknown, reference: new (...args: any[]) => T): T | undefined => { if (!err || !reference) return; if (!(err instanceof Error)) return; if (!(reference.prototype instanceof Error) && // @ts-expect-error we are purposely checking if ref is generic error class reference !== Error) return;
const seen = new Set();
let currentErr = err;
while (currentErr && !seen.has(currentErr)) { seen.add(currentErr);
if (currentErr instanceof reference) { return currentErr; }
currentErr = getErrorCause(currentErr); }};
export type MessageTransformer = (val: string) => string;export const MessageTransformerDefault = (val: string) => val;/** * Adapted from https://github.com/voxpelli/pony-cause * */const _messageWithCauses = (err: Error, seen = new Set<Error>(), msgTransform: MessageTransformer = MessageTransformerDefault) => { if (!(err instanceof Error)) return '';
const message = err.message;
// Ensure we don't go circular or crazily deep if (seen.has(err)) { return msgTransform(message) + ' => ...'; }
const cause = getErrorCause(err);
if (cause) { seen.add(err);
return (msgTransform(message) + ' => ' + _messageWithCauses(cause, seen)); } else { return msgTransform(message); }};/** * Adapted from https://github.com/voxpelli/pony-cause * */export const messageWithCauses = (err: Error, msgTransformer?: MessageTransformer) => _messageWithCauses(err, new Set<Error>(), msgTransformer);
export const messageWithCausesTruncated = (length: number) => { const t = truncateStringToLength(length); return (err: Error) => messageWithCauses(err, t);}
export const messageWithCausesTruncatedDefault = messageWithCausesTruncated(100);