import { last } from 'lodash'; import { GraphiteParserError } from './types'; /** * Graphite-web before v1.6 returns HTTP 500 with full stack traces in an HTML page * when a query fails. It results in massive error alerts with HTML tags in the UI. * This function removes all HTML tags and keeps only the last line from the stack * trace which should be the most meaningful. */ export function reduceError(error: any) { if (error && error.status === 500 && error.data?.message?.startsWith('<body')) { // Remove all HTML tags and take the last line from the stack trace const newMessage = last<string>( error.data.message .replace(/(<([^>]+)>)/gi, '') .trim() .split(/\n/) )!.replace(/u?&#[^;]+;/g, ''); error.data.message = `Graphite encountered an unexpected error while handling your request. ${newMessage}`; } return error; } export function isGraphiteParserError(e: unknown): e is GraphiteParserError { return typeof e === 'object' && e !== null && 'message' in e && 'pos' in e; } export const arrayMove = <T>(array: T[], fromIndex: number, toIndex: number): T[] => { array.splice(toIndex, 0, array.splice(fromIndex, 1)[0]); return array; };