1 | import { LogFn } from 'pino'
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2 | import defaultLogger from './logger'
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3 |
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4 | export default function catchErrors(
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5 | closeHandlers: Array<() => Promise<any>> = [],
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6 | {
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7 | exitOnUncaughtPromiseException = true,
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8 | logger = defaultLogger.fatal.bind(defaultLogger) as LogFn,
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9 | timeout = 30,
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10 | }: {
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11 | exitOnUncaughtPromiseException?: boolean
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12 | logger?: LogFn
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13 | timeout?: number
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14 | } = {}
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15 | ) {
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16 |
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17 |
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18 | const uncaughtExceptionHandler = async (err: Error) => {
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19 | logger(err, 'uncaught exception')
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20 |
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21 |
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22 | if (timeout) {
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23 | setTimeout(() => {
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24 | logger('could not finish in time, forcefully exiting')
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25 | process.exit(1)
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26 | }, timeout * 1000).unref()
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27 | }
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28 |
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29 | for (const handler of closeHandlers) {
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30 | try {
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31 | await Promise.resolve(handler())
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32 | } catch (err) {
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33 | logger(err, 'failed to close resource')
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34 | }
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35 | }
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36 |
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37 | process.exit(1)
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38 | }
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39 | process.on('uncaughtException', uncaughtExceptionHandler)
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40 |
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41 |
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42 |
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43 | const unhandledRejectionHandler = async (reason: any = {}, promise: Promise<any>) => {
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44 | logger(reason, 'unhandled promise rejection')
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45 |
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46 |
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47 | if (timeout) {
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48 | setTimeout(() => {
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49 | logger('could not finish in time, forcefully exiting')
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50 | process.exit(1)
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51 | }, timeout * 1000).unref()
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52 | }
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53 |
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54 | for (const handler of closeHandlers) {
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55 | try {
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56 | await Promise.resolve(handler())
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57 | } catch (err) {
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58 | logger(err, 'failed to close resource')
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59 | }
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60 | }
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61 |
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62 | if (exitOnUncaughtPromiseException) {
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63 | process.exit(1)
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64 | }
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65 | }
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66 | process.on('unhandledRejection', unhandledRejectionHandler)
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67 |
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68 | return () => {
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69 | process.off('uncaughtException', uncaughtExceptionHandler)
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70 | process.off('unhandledRejection', unhandledRejectionHandler)
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71 | }
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72 | }
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