Kristaps Fabians Geikins
58 lines
1.4 KiB
TypeScript
58 lines
1.4 KiB
TypeScript
import { VError, Options } from 'verror'
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/**
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* Base application error (don't use directly, treat it as abstract). Built on top of `verror` so that you can
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* chain errors (e.cause is the previous error) and also add arbitrary metadata using the `info` option.
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*
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* This allows for much nicer error handling & monitoring
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*/
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export class BaseError extends VError {
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/**
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* Error code (override in child class)
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*/
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static code = 'BASE_APP_ERROR'
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/**
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* Default message if none is passed
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*/
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static defaultMessage = 'Unexpected error occurred!'
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constructor(
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message?: string | null | undefined,
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options: Options | Error | undefined = undefined
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) {
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// Resolve options correctly
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if (options) {
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const cause = options instanceof Error ? options : options.cause
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options = options instanceof Error ? { cause } : options
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} else {
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options = {}
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}
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const info = {
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...(options.info || {}),
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code: new.target.code
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}
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options.info = info
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// Get message from defaultMessage, if it's empty
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if (!message) {
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message = new.target.defaultMessage
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}
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// Resolve constructor name
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const constructorName = new.target.name
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options.name = constructorName
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super(options, message)
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}
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/**
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* Get collected info of this object and previous errors
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*/
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info() {
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return BaseError.info(this)
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}
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}
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