Created
March 4, 2021 21:50
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NestJS MongoError filter exception (Typescript)
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| import { Catch, ConflictException, ExceptionFilter } from '@nestjs/common' | |
| import { MongoError } from 'mongodb' | |
| @Catch(MongoError) | |
| export class MongoExceptionFilter implements ExceptionFilter { | |
| catch(exception: MongoError) { | |
| switch (exception.code) { | |
| case 11000: | |
| // get error param key and value | |
| const [key, value] = Object.entries({ ...exception }?.['keyValue'])?.[0] | |
| if (key && value) { | |
| throw new ConflictException(`${key} ${value} is already in use`) | |
| } else { | |
| throw new ConflictException() | |
| } | |
| } | |
| } | |
| } |
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