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const admin = require('firebase-admin');
const fs = require('fs');

const serviceAccount = require('../../../../../../Private/myschool-data_transfer-key.json');

admin.initializeApp({ credential: admin.credential.cert(serviceAccount) });

const schema = require('./schema').schema;

const firestore2json = (db, schema, current) => {

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Send mails from firebase using nodemailer and firestore

FIREBASE FUNCTIONS CONFIG

https://firebase.google.com/docs/functions/config-env?hl=es-419

Set config

firebase functions:config:set gmail.email='someEmail' gmail.password='somePass'

Get config

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{
  "normal console.log": {
    "prefix": "cl",
    "body": ["console.log('$1')"],
    "description": "normal console.log"
  },
  "console.log": {
    "prefix": "clg",
    "body": ["console.log(`$1`, $1)"],
    "description": "console.log"

sturmenta

import React from 'react';
import { View, Text, StyleSheet } from 'react-native';

const styles = StyleSheet.create({
  container: {
    width: '100%',
    alignItems: 'center',
    height: 1,
    marginBottom: 10,
    marginTop: 10,

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export const arrayRemoveObject = (array: Object[] = [], toRemove: Object): Array<Object> => {
  const tempArray = array.slice();

  if (JSON.stringify(tempArray).includes(JSON.stringify(toRemove))) {
    return JSON.parse(
      JSON.stringify(tempArray)
        .replace(JSON.stringify(toRemove), '')
        .split('},]')
        .join('}]')
        .split('",]')

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guide of how to use react-native-vector-icons on web with webpack and react-app-rewired

1. yarn add react-native-vector-icons react-native-web
2. yarn add react-app-rewired -D
3. update package.json scripts (before react-scripts start/build/test)

    "start": "react-app-rewired start",
    "build": "react-app-rewired build",
    "test": "react-app-rewired test --env=jsdom",

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const values = [
  { K: 1000 },
  { M: 1000000 },
  { B: 1000000000 },
  { Qd: 1000000000000 },
  { Qt: 1000000000000000 },
  { St: 1000000000000000000 },
  { Sp: 1000000000000000000000 },
  { O: 1000000000000000000000000 },
  { N: 1000000000000000000000000000 },

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const w = window.innerWidth;

export const isPhone = w >= 320 && w < 480;
export const isTablet = w >= 480 && w < 768;
export const isLargeTablet = w >= 768 && w < 1024;
export const isDesktop = w >= 1024 && w < 1280;
export const isLargeDesktop = w >= 1280;

sturmenta

import React, { PureComponent } from 'react';

import { AppNavigator, setTopLevelNavigator } from './navigation';
import { KeyboardProvider } from './utils/keyboardContext';

export default class App extends PureComponent {
  render() {
    return (
      <KeyboardProvider>
        <AppNavigator ref={navigationRef => setTopLevelNavigator(navigationRef)} />

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const dist2GPS = (lat1, lng1, lat2, lng2) => {
  lat1 = parseFloat(lat1);
  lng1 = parseFloat(lng1);
  lat2 = parseFloat(lat2);
  lng2 = parseFloat(lng2);

  const R = 6371e3;
  const φ1 = lat1.toRad();
  const φ2 = lat2.toRad();
  const Δφ = (lat2 - lat1).toRad();