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51 lines
1.3 KiB
51 lines
1.3 KiB
import { red, bgRed } from '../external/std.ts'
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import { Service } from '../../../di/src/decorator/Service.ts'
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import { Logging } from '../service/logging/Logging.ts'
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/**
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* Service class for handling and displaying top-level errors.
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*/
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@Service()
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export default class RunLevelErrorHandler {
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constructor(
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protected logger: Logging,
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) {}
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/**
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* Get the error handler function.
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* @type (e: Error) => void
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*/
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get handle(): (e: Error) => void {
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return (e: Error) => {
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this.display(e)
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Deno.exit(1)
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}
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}
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/**
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* Log the error to the logger.
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* @param {Error} e
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*/
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display(e: Error) {
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try {
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const error_string = `RunLevelErrorHandler invoked:
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${bgRed(' ')}
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${bgRed(' UNCAUGHT TOP-LEVEL ERROR ')}
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${bgRed(' ')}
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${e.constructor ? e.constructor.name : e.name}
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${red(`---------------------------------------------------`)}
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${e.stack}
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`
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this.logger.error(error_string, true)
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} catch (display_e) {
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// The error display encountered an error...
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// just throw the original so it makes it out
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console.error('RunLevelErrorHandler encountered an error:', display_e.message)
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throw e
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}
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}
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}
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