ShMcK

const twilio = require('./utils/twilio');

class TwilioSMS {
  constructor(messagingServiceSid, account) {
    this.from = messagingServiceSid;
    this.sms = twilio.init(account);
    this.sendSMS = ({ to, body }) => this.sms.create({ to, body, messagingServiceSid: this.from });
    this.attempts = 0;
  }
  send(to, body) {

ShMcK

const twilio = require('twilio');

// created in order to stub twilio in tests
module.exports = {
  init: () => twilio(ACCOUNT_ID, AUTH_TOKEN).messages,
};

ShMcK

import { Notifications } from 'expo'

Notifications.addListener(async ({ data, origin }) => {
  if (origin === 'received') {
    // trigger modal
  } else if (origin === 'selected') {
    // route to page with linked data
  }
})

ShMcK

const Expo = require('expo-server-sdk')
const expo = new Expo()

async function send(messages) {
  const chunks = expo.chunkPushNotifications(messages)
  for (const chunk of chunks) {
    try {
      const receipts = await expo.sendPushNotificationsAsync(chunk)
      receipts.forEach(receipt => {
        if (receipt.status === 'error') {

ShMcK

class DeepLink {
  constructor(branchKey) {
    this.key = branchKey;
    this.url = 'https://api.branch.io/v1/url';
  }
  request(data) {
    return fetch(this.url, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',

ShMcK

import { DangerZone } from 'expo'

const { Branch } = DangerZone

Branch.subscribe((bundle) => {
  if (bundle && bundle.params && !bundle.error) {
    // handle link
  }
})

ShMcK

const SimpleApp = StackNavigator({
  Home: { screen: HomeScreen },
  Chat: {
    screen: ChatScreen,
    path: 'chat/:user',
  },
});

ShMcK

import { Permissions } from 'expo'

export default async function verifyPushNotificationsPermissions() {
  const { status: existingStatus } = await Permissions.getAsync(Permissions.NOTIFICATIONS)
  let finalStatus = existingStatus

  // only ask if permissions have not already been determined, because
  // iOS won't necessarily prompt the user a second time.
  if (existingStatus !== 'granted') {
  // Android remote notification permissions are granted during the app

ShMcK

import React from 'react'

const capitalize = (string) => string.charAt(0).toUpperCase() + string.slice(1)

// lib, returns Context.Provider, Context.
function reactXState ({ name, machine, actions }) {
  name = name || 'defaultName'

  const Context = React.createContext(name)
  

ShMcK

DrawerOpen*
  loadTape -> HasTape
  closeDrawer -> NoTape

DrawerClosed
  eject -> DrawerOpen

  NoTape

  HasTape*