sibelius

import React, { Component } from 'react';
import {
  View,
  Text,
  TouchableHighlight,
  NetInfo,
} from 'react-native';

export default class ConnectionInfo extends Component {
  state = {

knowbody

Exponent - ex-navigation

This is for now, for my personal use only, things might not be correctly explained here. For the official docs please check: https://github.com/exponentjs/ex-navigation/blob/master/README.md

Navigation bar configuration

On every screen you can use the built-in navigation bar, you can add a title, left button, right button or change navigation bar’s style. All you need to do is pass appropriate params to navigationBar in the route configuration:

import React, { Component } from 'react';

developit

/** Async version of Array.prototype.reduce()
 *  await reduce(['/foo', '/bar', '/baz'], async (acc, v) => {
 *    acc[v] = await (await fetch(v)).json();
 *    return acc;
 *  }, {});
 */
export async function reduce(arr, fn, val, pure) {
  for (let i=0; i<arr.length; i++) {
    let v = await fn(val, arr[i], i, arr);
    if (pure!==false) val = v;

developit

import { Component } from 'preact';

export default class PureComponent extends Component {
  shouldComponentUpdate(props, state) {
    return !(shallowEqual(props, this.props) && shallowEqual(state, this.state));
  }
}

function shallowEqual(a, b) {
	for (let key in a) if (a[key]!==b[key]) return false;