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fix(Spinner): remake fallback animation using SVG
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107 changes: 0 additions & 107 deletions
107
packages/react-ui/components/Spinner/SpinnerFallback.tsx
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179 changes: 179 additions & 0 deletions
179
packages/react-ui/components/Spinner/SpinnerFallbackAnimation.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| import { ColorFactory } from '../../lib/styles/ColorFactory'; | ||
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| export class SpinnerFallbackAnimationRunner { | ||
| private interval: ReturnType<typeof rafInterval> | null = null; | ||
|
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| constructor(private animations: Animation[], private FPS: number) { | ||
| this.start(); | ||
| } | ||
|
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| public start = () => { | ||
| this.animations.forEach(animation => animation.start()); | ||
| this.interval = rafInterval(() => { | ||
| this.animations.forEach(animation => animation.step()); | ||
| }, this.FPS); | ||
| }; | ||
|
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| public stop = () => { | ||
| if (this.interval) { | ||
| this.interval.clear(); | ||
| this.animations.forEach(animation => animation.finish()); | ||
| } | ||
| }; | ||
| } | ||
|
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| const rafInterval = (fn: () => void, delay: number) => { | ||
| let lastcall = 0; | ||
| let cleared = false; | ||
| let rafId = 0; | ||
|
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| const interval = () => { | ||
| if (cleared) return; | ||
| const timestamp = new Date().getTime(); | ||
| if (!lastcall) lastcall = timestamp; | ||
| if (timestamp - lastcall > delay) { | ||
| fn(); | ||
| lastcall = timestamp; | ||
| } | ||
| rafId = requestAnimationFrame(interval); | ||
| }; | ||
| interval(); | ||
|
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||
| return { | ||
| clear: () => { | ||
| cleared = true; | ||
| cancelAnimationFrame(rafId); | ||
| }, | ||
| }; | ||
| }; | ||
|
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| class Animation { | ||
| private startTime = 0; | ||
| private isFinished = false; | ||
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| constructor( | ||
| private duration: number, | ||
| private onProgress: (progress: number) => void, | ||
| private onFinish?: (animation: Animation) => void, | ||
| ) {} | ||
|
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| public step = () => { | ||
| if (this.isFinished) return; | ||
| const timestamp = new Date().getTime(); | ||
| if (!this.startTime) this.startTime = timestamp; | ||
| const progress = (timestamp - this.startTime) / this.duration; | ||
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| this.onProgress(progress); | ||
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| if (progress >= 1) { | ||
| this.finish(); | ||
| } | ||
| }; | ||
|
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| public reset = () => { | ||
| this.startTime = 0; | ||
| this.isFinished = false; | ||
| }; | ||
|
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| public finish = () => { | ||
| this.isFinished = true; | ||
| this.onFinish && this.onFinish(this); | ||
| }; | ||
|
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| public start = () => { | ||
| if (!this.isFinished) { | ||
| this.step(); | ||
| } | ||
| }; | ||
| } | ||
|
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| export const createOffsetAnimation = ( | ||
| from: number, | ||
| to: number, | ||
| duration: number, | ||
| setStyleProperty: CSSStyleDeclaration['setProperty'], | ||
| units = '', | ||
| ) => { | ||
| return new Animation( | ||
| duration, | ||
| progress => { | ||
| const current = from + (to - from) * progress; | ||
| setStyleProperty('stroke-dashoffset', `${current}${units}`); | ||
| }, | ||
| animation => { | ||
| animation.reset(); | ||
| }, | ||
| ); | ||
| }; | ||
|
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| export const createLengthAnimation = ( | ||
| from: number[], | ||
| to: number[], | ||
| duration: number, | ||
| setStyleProperty: CSSStyleDeclaration['setProperty'], | ||
| units = '', | ||
| ) => { | ||
| let reverse = false; | ||
| return new Animation( | ||
| duration, | ||
| progress => { | ||
| const p = reverse ? 1 - progress : progress; | ||
| const current = [from[0] + (to[0] - from[0]) * p, from[1] + (to[1] - from[1]) * p]; | ||
| setStyleProperty('stroke-dasharray', `${current[0]}${units} ${current[1]}${units}`); | ||
| }, | ||
| animation => { | ||
| reverse = !reverse; | ||
| animation.reset(); | ||
| }, | ||
| ); | ||
| }; | ||
|
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| export const createColorAnimation = ( | ||
| colors: string[], | ||
| duration: number, | ||
| setStyleProperty: CSSStyleDeclaration['setProperty'], | ||
| ) => { | ||
| const rgbColors = colors.map(color => ColorFactory.create(color).rgb); | ||
| let currentIndex = 0; | ||
| let nextIndex = 1; | ||
|
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| return new Animation( | ||
| duration, | ||
| progress => { | ||
| const from = rgbColors[currentIndex]; | ||
| const to = rgbColors[nextIndex]; | ||
| if (from && to) { | ||
| const current = [ | ||
| Math.round(from[0] + (to[0] - from[0]) * progress), | ||
| Math.round(from[1] + (to[1] - from[1]) * progress), | ||
| Math.round(from[2] + (to[2] - from[2]) * progress), | ||
| ]; | ||
| setStyleProperty('stroke', `rgb(${current})`); | ||
| } | ||
| }, | ||
| animation => { | ||
| animation.reset(); | ||
| currentIndex = nextIndex; | ||
| nextIndex = (nextIndex + 1) % colors.length; | ||
| }, | ||
| ); | ||
| }; | ||
|
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| export const createRotationAnimation = ( | ||
| from: number, | ||
| to: number, | ||
| duration: number, | ||
| setStyleProperty: CSSStyleDeclaration['setProperty'], | ||
| units = 'deg', | ||
| ) => { | ||
| return new Animation( | ||
| duration, | ||
| progress => { | ||
| const current = Math.round(from + (to - from) * progress); | ||
| setStyleProperty('transform', `rotate(${current}${units})`); | ||
| }, | ||
| animation => { | ||
| animation.reset(); | ||
| }, | ||
| ); | ||
| }; |
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