51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
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import ResponseFactory from "./ResponseFactory.ts";
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import {Request} from "../Request.ts";
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export default class ErrorResponseFactory extends ResponseFactory {
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constructor(
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public readonly error: Error,
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public readonly output: 'json' | 'html' = 'html',
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public readonly status: number = 500,
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) {
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super()
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}
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public async write(request: Request): Promise<Request> {
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request.response.status = this.status
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if ( this.output === 'json' ) {
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request.response.headers.set('Content-Type', 'application/json')
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request.response.body = this.build_json(this.error)
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} else if ( this.output === 'html' ) {
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request.response.headers.set('Content-Type', 'text/html')
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request.response.body = this.build_html(this.error)
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}
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return request
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}
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protected build_html(error: Error) {
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return `
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<b>Sorry, an unexpected error occurred while processing your request.</b>
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<br>
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<pre><code>
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Name: ${error.name}
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Message: ${error.message}
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Stack trace:
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- ${error.stack ? error.stack.split(/\s+at\s+/).slice(1).join('<br> - ') : 'none'}
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</code></pre>
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`
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}
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protected build_json(error: Error) {
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return JSON.stringify({
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success: false,
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error: {
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name: error.name,
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message: error.message,
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stack: error.stack ? error.stack.split(/\s+at\s+/).slice(1) : []
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}
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})
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}
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}
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