IslamRustamov

Library for photo compression used as example in presentation:
https://www.npmjs.com/package/react-native-photo-compressor

Article about turbo modules vs platform channel performance (needs VPN)
https://medium.com/@islamrustamov/obj-c-turbo-module-vs-c-turbo-module-vs-flutter-platform-channel-e610a344ec92

Discussion with William Candillon about animation performance
https://github.com/Shopify/react-native-skia/discussions/1824

Example of template for RN project

IslamRustamov

import 'dart:math';

import 'package:flutter/material.dart';
import 'package:statsfl/statsfl.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {

IslamRustamov

import {
  Canvas,
  Group,
  Rect,
  useComputedValue,
  mix,
  vec,
  SkiaValue,
  useTiming,
} from '@shopify/react-native-skia';

IslamRustamov

setCenteredIndex(Math.round(e.nativeEvent.contentOffset.y / blockSize));

IslamRustamov

const height = Dimensions.get('window').height;

const blockSize = 70;

function ItemSeparator() {
  return <View style={{height: 10}} />;
}

function ListSpacer() {
  return <View style={{height: height / 2 - blockSize}} />;

IslamRustamov

interface Article {
  title: string;
  date: string;
}

// ...

interface ArticleBlockProps extends Article {
  isCenter: boolean;
}

IslamRustamov

Future<void> _sort() async {
  try {
    double mean = 0;
    for (var i = 0; i < 1000; i++) {
      final stopwatch = Stopwatch()..start();

      await platform.invokeMethod('sort', list10);

      stopwatch.stop();
      // Don't worry, I converted it to milliseconds afterwards

IslamRustamov

const sortObjectiveC = async arr => {
  let mean = 0;

  for (let i = 0; i < 1000; i++) {
    const startTime = performance.now();

    await RTNSorter?.sort(arr);

    const endTime = performance.now();

IslamRustamov

const sortCPP = arr => {
  let mean = 0;

  for (let i = 0; i < 1000; i++) {
    const startTime = performance.now();

    NativeSampleModule.sort(arr);

    const endTime = performance.now();

IslamRustamov

  private func sort(result: FlutterResult, _ array: [Int]) {
      var arr = array
      for _ in 0...arr.count {
          for value in 1...arr.count - 1 {
              if arr[value-1] > arr[value] {
                  let largerValue = arr[value-1]
                  arr[value-1] = arr[value]
                  arr[value] = largerValue
              }
          }