Optimizing Konva Performance with rAF
Introduction requestAnimationFrame (rAF) is a powerful browser API that helps achieve smoother interface changes by synchronizing rendering with the screen's refresh rate. Using rAF helps optimize performance, minimize lag (jank), and save energy by pausing calculations when the browser tab is inactive. Prerequisites In this article, I will continue to use the example from the previous article to optimize, so I will not provide the complete code but only the updated part; please refer to the previous article for the full content. Detail Update the OptimizedCanvas.tsx file as follows: import Konva from 'konva' import React , {useCallback, useEffect, useMemo, useRef, useState} from 'react' import {Layer, Stage} from 'react-konva' import useImage from 'use-image' import {ShapeItem} from './ShapeItem' import type {ShapeData, ViewRect} from './type' import {generateData, HEIGHT, IMAGE_URL, TOTAL_OBJECTS, WIDTH} from ...