@nestjs/websockets/exceptions/ws-exceptions-handler.js

Nest - modern, fast, powerful node.js web framework (@websockets)

import { BaseWsExceptionFilter } from './base-ws-exception-filter.js';
import { selectExceptionFilterMetadata, isEmptyArray, } from '@nestjs/common/internal';
import { InvalidExceptionFilterException } from '@nestjs/core/internal';
/**
 * @publicApi
 */
export class WsExceptionsHandler extends BaseWsExceptionFilter {
    filters = [];
    handle(exception, host) {
        const client = host.switchToWs().getClient();
        if (this.invokeCustomFilters(exception, host) || !client) {
            return;
        }
        super.catch(exception, host);
    }
    setCustomFilters(filters) {
        if (!Array.isArray(filters)) {
            throw new InvalidExceptionFilterException();
        }
        this.filters = filters;
    }
    invokeCustomFilters(exception, args) {
        if (isEmptyArray(this.filters))
            return false;
        const filter = selectExceptionFilterMetadata(this.filters, exception);
        filter && filter.func(exception, args);
        return !!filter;
    }
}