mirror of
https://github.com/danny-avila/LibreChat.git
synced 2025-12-21 19:00:13 +01:00
feat: init @librechat/client
This commit is contained in:
Marco Beretta
parent
42977ac0d0
commit
e4adfe771b
207 changed files with 21208 additions and 239 deletions
376
packages/client/src/components/PixelCard.tsx
Normal file
376
packages/client/src/components/PixelCard.tsx
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import { useEffect, useRef, useCallback } from 'react';
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import { cn } from '~/utils';
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class Pixel {
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width: number;
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height: number;
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ctx: CanvasRenderingContext2D;
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x: number;
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y: number;
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color: string;
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speed: number;
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size: number;
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sizeStep: number;
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minSize: number;
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maxSizeInteger: number;
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maxSize: number;
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delay: number;
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counter: number;
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counterStep: number;
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isIdle: boolean;
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isReverse: boolean;
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isShimmer: boolean;
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activationThreshold: number;
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constructor(
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canvas: HTMLCanvasElement,
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context: CanvasRenderingContext2D,
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x: number,
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y: number,
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color: string,
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speed: number,
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delay: number,
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activationThreshold: number,
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) {
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this.width = canvas.width;
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this.height = canvas.height;
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this.ctx = context;
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this.x = x;
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this.y = y;
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this.color = color;
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this.speed = this.random(0.1, 0.9) * speed;
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this.size = 0;
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this.sizeStep = Math.random() * 0.4;
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this.minSize = 0.5;
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this.maxSizeInteger = 2;
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this.maxSize = this.random(this.minSize, this.maxSizeInteger);
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this.delay = delay;
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this.counter = 0;
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this.counterStep = Math.random() * 4 + (this.width + this.height) * 0.01;
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this.isIdle = false;
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this.isReverse = false;
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this.isShimmer = false;
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this.activationThreshold = activationThreshold;
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}
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private random(min: number, max: number) {
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return Math.random() * (max - min) + min;
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}
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private draw() {
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const offset = this.maxSizeInteger * 0.5 - this.size * 0.5;
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this.ctx.fillStyle = this.color;
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this.ctx.fillRect(this.x + offset, this.y + offset, this.size, this.size);
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}
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appear() {
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this.isIdle = false;
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if (this.counter <= this.delay) {
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this.counter += this.counterStep;
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return;
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}
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if (this.size >= this.maxSize) {
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this.isShimmer = true;
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}
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if (this.isShimmer) {
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this.shimmer();
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} else {
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this.size += this.sizeStep;
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}
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this.draw();
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}
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appearWithProgress(progress: number) {
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const diff = progress - this.activationThreshold;
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if (diff <= 0) {
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this.isIdle = true;
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return;
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}
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if (this.counter <= this.delay) {
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this.counter += this.counterStep;
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this.isIdle = false;
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return;
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}
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if (this.size >= this.maxSize) {
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this.isShimmer = true;
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}
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if (this.isShimmer) {
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this.shimmer();
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} else {
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this.size += this.sizeStep;
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}
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this.isIdle = false;
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this.draw();
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}
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disappear() {
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this.isShimmer = false;
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this.counter = 0;
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if (this.size <= 0) {
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this.isIdle = true;
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return;
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}
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this.size -= 0.1;
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this.draw();
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}
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private shimmer() {
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if (this.size >= this.maxSize) {
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this.isReverse = true;
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} else if (this.size <= this.minSize) {
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this.isReverse = false;
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}
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this.size += this.isReverse ? -this.speed : this.speed;
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}
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}
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const getEffectiveSpeed = (value: number, reducedMotion: boolean) => {
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const parsed = parseInt(String(value), 10);
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const throttle = 0.001;
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if (parsed <= 0 || reducedMotion) {
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return 0;
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}
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if (parsed >= 100) {
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return 100 * throttle;
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}
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return parsed * throttle;
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};
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const clamp = (n: number, min = 0, max = 1) => Math.min(Math.max(n, min), max);
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const VARIANTS = {
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default: { gap: 5, speed: 35, colors: '#f8fafc,#f1f5f9,#cbd5e1', noFocus: false },
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blue: { gap: 10, speed: 25, colors: '#e0f2fe,#7dd3fc,#0ea5e9', noFocus: false },
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yellow: { gap: 3, speed: 20, colors: '#fef08a,#fde047,#eab308', noFocus: false },
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pink: { gap: 6, speed: 80, colors: '#fecdd3,#fda4af,#e11d48', noFocus: true },
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} as const;
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interface PixelCardProps {
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variant?: keyof typeof VARIANTS;
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gap?: number;
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speed?: number;
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colors?: string;
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noFocus?: boolean;
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className?: string;
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progress?: number;
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randomness?: number;
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width?: string;
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height?: string;
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}
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export default function PixelCard({
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variant = 'default',
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gap,
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speed,
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colors,
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noFocus,
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className = '',
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progress,
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randomness = 0.3,
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width,
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height,
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}: PixelCardProps) {
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const containerRef = useRef<HTMLDivElement>(null);
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const canvasRef = useRef<HTMLCanvasElement>(null);
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const pixelsRef = useRef<Pixel[]>([]);
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const animationRef = useRef<number>();
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const timePrevRef = useRef(performance.now());
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const progressRef = useRef<number | undefined>(progress);
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const reducedMotion = useRef(
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window.matchMedia('(prefers-reduced-motion: reduce)').matches,
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).current;
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const cfg = VARIANTS[variant];
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const g = gap ?? cfg.gap;
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const s = speed ?? cfg.speed;
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const palette = colors ?? cfg.colors;
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const disableFocus = noFocus ?? cfg.noFocus;
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const updateCanvasOpacity = useCallback(() => {
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if (!canvasRef.current) {
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return;
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}
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if (progressRef.current === undefined) {
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canvasRef.current.style.opacity = '1';
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return;
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}
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const fadeStart = 0.9;
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const alpha =
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progressRef.current >= fadeStart ? 1 - (progressRef.current - fadeStart) / 0.1 : 1;
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canvasRef.current.style.opacity = String(clamp(alpha));
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}, []);
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const animate = useCallback(
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(method: keyof Pixel) => {
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animationRef.current = requestAnimationFrame(() => animate(method));
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const now = performance.now();
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const elapsed = now - timePrevRef.current;
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if (elapsed < 1000 / 60) {
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return;
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}
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timePrevRef.current = now - (elapsed % (1000 / 60));
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const ctx = canvasRef.current?.getContext('2d');
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if (!ctx || !canvasRef.current) {
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return;
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}
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ctx.clearRect(0, 0, canvasRef.current.width, canvasRef.current.height);
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let idle = true;
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for (const p of pixelsRef.current) {
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if (method === 'appearWithProgress') {
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progressRef.current !== undefined
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? p.appearWithProgress(progressRef.current)
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: (p.isIdle = true);
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} else {
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// @ts-ignore dynamic dispatch
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p[method]();
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}
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if (!p.isIdle) {
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idle = false;
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}
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}
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updateCanvasOpacity();
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if (idle) {
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cancelAnimationFrame(animationRef.current!);
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}
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},
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[updateCanvasOpacity],
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);
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const startAnim = useCallback(
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(m: keyof Pixel) => {
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cancelAnimationFrame(animationRef.current!);
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animationRef.current = requestAnimationFrame(() => animate(m));
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},
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[animate],
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);
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const initPixels = useCallback(() => {
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if (!containerRef.current || !canvasRef.current) {
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return;
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}
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const { width: cw, height: ch } = containerRef.current.getBoundingClientRect();
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const ctx = canvasRef.current.getContext('2d');
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canvasRef.current.width = Math.floor(cw);
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canvasRef.current.height = Math.floor(ch);
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const cols = palette.split(',');
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const px: Pixel[] = [];
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const cx = cw / 2;
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const cy = ch / 2;
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const maxDist = Math.hypot(cx, cy);
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for (let x = 0; x < cw; x += g) {
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for (let y = 0; y < ch; y += g) {
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const color = cols[Math.floor(Math.random() * cols.length)];
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const distNorm = Math.hypot(x - cx, y - cy) / maxDist;
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const threshold = clamp(distNorm * (1 - randomness) + Math.random() * randomness);
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const delay = reducedMotion ? 0 : distNorm * maxDist;
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if (!ctx) {
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continue;
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}
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px.push(
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new Pixel(
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canvasRef.current,
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ctx,
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x,
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y,
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color,
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getEffectiveSpeed(s, reducedMotion),
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delay,
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threshold,
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),
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);
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}
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}
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pixelsRef.current = px;
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if (progressRef.current !== undefined) {
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startAnim('appearWithProgress');
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}
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}, [g, palette, s, randomness, reducedMotion, startAnim]);
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useEffect(() => {
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progressRef.current = progress;
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if (progress !== undefined) {
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startAnim('appearWithProgress');
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}
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}, [progress, startAnim]);
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useEffect(() => {
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if (progress === undefined) {
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cancelAnimationFrame(animationRef.current!);
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}
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}, [progress]);
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useEffect(() => {
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initPixels();
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const obs = new ResizeObserver(initPixels);
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containerRef.current && obs.observe(containerRef.current);
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return () => {
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obs.disconnect();
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cancelAnimationFrame(animationRef.current!);
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};
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}, [initPixels]);
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const hoverIn = () => progressRef.current === undefined && startAnim('appear');
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const hoverOut = () => progressRef.current === undefined && startAnim('disappear');
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const focusIn: React.FocusEventHandler<HTMLDivElement> = (e) => {
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if (
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!disableFocus &&
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!e.currentTarget.contains(e.relatedTarget) &&
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progressRef.current === undefined
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) {
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startAnim('appear');
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}
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};
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const focusOut: React.FocusEventHandler<HTMLDivElement> = (e) => {
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if (
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!disableFocus &&
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!e.currentTarget.contains(e.relatedTarget) &&
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progressRef.current === undefined
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) {
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startAnim('disappear');
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}
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};
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return (
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<div
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ref={containerRef}
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style={{
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width: width || '100%',
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height: height || '100%',
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}}
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>
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<div
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className={cn(
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'relative isolate grid select-none place-items-center overflow-hidden rounded-lg border border-border-light shadow-md transition-colors duration-200 ease-in-out',
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className,
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)}
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style={{
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width: '100%',
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height: '100%',
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transitionTimingFunction: 'cubic-bezier(0.5, 1, 0.89, 1)',
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}}
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onMouseEnter={hoverIn}
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onMouseLeave={hoverOut}
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onFocus={disableFocus ? undefined : focusIn}
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onBlur={disableFocus ? undefined : focusOut}
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tabIndex={disableFocus ? -1 : 0}
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>
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<canvas
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ref={canvasRef}
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className="pointer-events-none absolute inset-0 block"
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width={width && width !== 'auto' ? parseInt(String(width)) : undefined}
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height={height && height !== 'auto' ? parseInt(String(height)) : undefined}
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/>
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</div>
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</div>
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);
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}
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