|
1 |
| -import React, { useEffect, useRef } from 'react' |
2 |
| -import { SnowfallCanvas, SnowfallCanvasConfig } from './SnowfallCanvas' |
3 |
| -import { defaultConfig } from './Snowflake' |
4 |
| -import { useComponentSize, useDeepMemo, useSnowfallStyle } from './hooks' |
5 |
| - |
6 |
| -export interface SnowfallProps extends Partial<SnowfallCanvasConfig> { |
7 |
| - /** |
8 |
| - * Any style properties that will be passed to the canvas element. |
9 |
| - */ |
10 |
| - style?: React.CSSProperties |
11 |
| -} |
12 |
| - |
13 |
| -export const Snowfall = ({ |
14 |
| - color = defaultConfig.color, |
15 |
| - changeFrequency = defaultConfig.changeFrequency, |
16 |
| - radius = defaultConfig.radius, |
17 |
| - speed = defaultConfig.speed, |
18 |
| - wind = defaultConfig.wind, |
19 |
| - rotationSpeed = defaultConfig.rotationSpeed, |
20 |
| - snowflakeCount = 150, |
21 |
| - images, |
22 |
| - style, |
23 |
| -}: SnowfallProps = {}): JSX.Element => { |
24 |
| - const mergedStyle = useSnowfallStyle(style) |
25 |
| - |
26 |
| - const canvasRef = useRef<HTMLCanvasElement>(null) |
27 |
| - const canvasSize = useComponentSize(canvasRef) |
28 |
| - |
29 |
| - const config = useDeepMemo<SnowfallCanvasConfig>({ |
30 |
| - color, |
31 |
| - changeFrequency, |
32 |
| - radius, |
33 |
| - speed, |
34 |
| - wind, |
35 |
| - rotationSpeed, |
36 |
| - images, |
37 |
| - snowflakeCount, |
38 |
| - }) |
39 |
| - |
40 |
| - // A reference to the config used for creating the initial instance |
41 |
| - const configRef = useRef(config) |
42 |
| - |
43 |
| - const snowfallCanvasRef = useRef<SnowfallCanvas>() |
44 |
| - |
45 |
| - useEffect(() => { |
46 |
| - if (!snowfallCanvasRef.current && canvasRef.current) { |
47 |
| - snowfallCanvasRef.current = new SnowfallCanvas(canvasRef.current, configRef.current) |
48 |
| - } |
49 |
| - |
50 |
| - return () => { |
51 |
| - snowfallCanvasRef.current?.pause() |
52 |
| - snowfallCanvasRef.current = undefined |
53 |
| - } |
54 |
| - }, []) |
55 |
| - |
56 |
| - useEffect(() => { |
57 |
| - if (snowfallCanvasRef.current) { |
58 |
| - snowfallCanvasRef.current.updateConfig(config) |
59 |
| - } |
60 |
| - }, [config]) |
61 |
| - |
62 |
| - return ( |
63 |
| - <canvas |
64 |
| - ref={canvasRef} |
65 |
| - height={canvasSize.height} |
66 |
| - width={canvasSize.width} |
67 |
| - style={mergedStyle} |
68 |
| - data-testid="SnowfallCanvas" |
69 |
| - /> |
70 |
| - ) |
71 |
| -} |
72 |
| - |
73 |
| -export default Snowfall |
| 1 | +import React, { useEffect, useRef } from 'react' |
| 2 | +import { SnowfallCanvas, SnowfallCanvasConfig } from './SnowfallCanvas.js' |
| 3 | +import { defaultConfig } from './Snowflake.js' |
| 4 | +import { useComponentSize, useDeepMemo, useSnowfallStyle } from './hooks.js' |
| 5 | + |
| 6 | +export interface SnowfallProps extends Partial<SnowfallCanvasConfig> { |
| 7 | + /** |
| 8 | + * Any style properties that will be passed to the canvas element. |
| 9 | + */ |
| 10 | + style?: React.CSSProperties |
| 11 | +} |
| 12 | + |
| 13 | +export const Snowfall = ({ |
| 14 | + color = defaultConfig.color, |
| 15 | + changeFrequency = defaultConfig.changeFrequency, |
| 16 | + radius = defaultConfig.radius, |
| 17 | + speed = defaultConfig.speed, |
| 18 | + wind = defaultConfig.wind, |
| 19 | + rotationSpeed = defaultConfig.rotationSpeed, |
| 20 | + snowflakeCount = 150, |
| 21 | + images, |
| 22 | + style, |
| 23 | +}: SnowfallProps = {}): JSX.Element => { |
| 24 | + const mergedStyle = useSnowfallStyle(style) |
| 25 | + |
| 26 | + const canvasRef = useRef<HTMLCanvasElement>(null) |
| 27 | + const canvasSize = useComponentSize(canvasRef) |
| 28 | + |
| 29 | + const config = useDeepMemo<SnowfallCanvasConfig>({ |
| 30 | + color, |
| 31 | + changeFrequency, |
| 32 | + radius, |
| 33 | + speed, |
| 34 | + wind, |
| 35 | + rotationSpeed, |
| 36 | + images, |
| 37 | + snowflakeCount, |
| 38 | + }) |
| 39 | + |
| 40 | + // A reference to the config used for creating the initial instance |
| 41 | + const configRef = useRef(config) |
| 42 | + |
| 43 | + const snowfallCanvasRef = useRef<SnowfallCanvas>() |
| 44 | + |
| 45 | + useEffect(() => { |
| 46 | + if (!snowfallCanvasRef.current && canvasRef.current) { |
| 47 | + snowfallCanvasRef.current = new SnowfallCanvas(canvasRef.current, configRef.current) |
| 48 | + } |
| 49 | + |
| 50 | + return () => { |
| 51 | + snowfallCanvasRef.current?.pause() |
| 52 | + snowfallCanvasRef.current = undefined |
| 53 | + } |
| 54 | + }, []) |
| 55 | + |
| 56 | + useEffect(() => { |
| 57 | + if (snowfallCanvasRef.current) { |
| 58 | + snowfallCanvasRef.current.updateConfig(config) |
| 59 | + } |
| 60 | + }, [config]) |
| 61 | + |
| 62 | + return ( |
| 63 | + <canvas |
| 64 | + ref={canvasRef} |
| 65 | + height={canvasSize.height} |
| 66 | + width={canvasSize.width} |
| 67 | + style={mergedStyle} |
| 68 | + data-testid="SnowfallCanvas" |
| 69 | + /> |
| 70 | + ) |
| 71 | +} |
| 72 | + |
| 73 | +export default Snowfall |
0 commit comments