mirror of
https://github.com/Maks1mS/nestjs-telegraf.git
synced 2024-12-24 23:14:39 +03:00
49 lines
1.5 KiB
TypeScript
49 lines
1.5 KiB
TypeScript
import { ArgumentsHost } from '@nestjs/common';
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import { ExceptionFilterMetadata } from '@nestjs/common/interfaces/exceptions';
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import { BaseTelegrafExceptionFilter } from './base-telegraf-exception-filter';
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import { TelegrafException } from '../errors';
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import { InvalidExceptionFilterException } from '@nestjs/core/errors/exceptions/invalid-exception-filter.exception';
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import { isEmpty } from '@nestjs/common/utils/shared.utils';
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export class TelegrafExceptionsHandler extends BaseTelegrafExceptionFilter {
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private filters: ExceptionFilterMetadata[] = [];
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public handle(
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exception: Error | TelegrafException | any,
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host: ArgumentsHost,
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): void {
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const isFilterInvoked = this.invokeCustomFilters(exception, host);
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if (!isFilterInvoked) {
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super.catch(exception, host);
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}
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}
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public invokeCustomFilters<T = any>(
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exception: T,
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args: ArgumentsHost,
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): boolean {
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if (isEmpty(this.filters)) return false;
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const filter = this.filters.find(({ exceptionMetatypes }) => {
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const hasMetatype =
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!exceptionMetatypes.length ||
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exceptionMetatypes.some(
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(ExceptionMetatype) => exception instanceof ExceptionMetatype,
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);
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return hasMetatype;
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});
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filter && filter.func(exception, args);
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return !!filter;
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}
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public setCustomFilters(filters: ExceptionFilterMetadata[]): void {
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if (!Array.isArray(filters)) {
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throw new InvalidExceptionFilterException();
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}
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this.filters = filters;
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}
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}
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