LucasFsc

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]

LucasFsc

let timer = null

export default (callback = () => {}, timing = 300) => {
  if (timer) clearTimeout(timer)

  timer = setTimeout(callback, timing)
}

LucasFsc

 export default async ({
  promise,
  onResponse = () => {},
  onLoad = () => {},
  onError = () => {},
  onComplete = () => {}
}) => {
  onLoad(true)
  try {
    onResponse(await promise)

LucasFsc

import AsyncStorage from '@react-native-community/async-storage'

export default key => ({
  set: payload => AsyncStorage.setItem(key, JSON.stringify(payload)),
  get: async () => {
    const _ = AsyncStorage.getItem(key)
    return _ ? JSON.parse(_) : null
  },
  remove: () => AsyncStorage.removeItem(key)
})