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1. Cubic Bézier Javascript. Matches App...Cubic Bézier Javascript. Matches Apple WebKit/UnitBezier.h

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   /** MIT License github.com/pushkine/ */

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   functioncubicBezier(x1: number,y1: number,x2: number,y2: number){

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   if(!(x1>=0&&x1<=1&&x2>=0&&x2<=1))

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   thrownewError(`CubicBezier x1 & x2 values must be { 0 < x < 1 }, got { x1 : ${x1}, x2: ${x2} }`);

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   constax=1.0-(x2=3.0*(x2-x1)-(x1*=3.0))-x1,

2. Javascript spring solving algorithm....Javascript spring solving algorithm. Solves real life damped harmonic oscillator physics equations as used in Apple iOS & many others. Tweak damping and stiffness for spring behavior, scale mass with value delta and set soft to force solution for a critically damped spring ( no bounce eased smooth ) . Play with this function's graph on www.desmos.com/calculator/urztjwk4dv

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   /** MIT License github.com/pushkine/ */

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   interfaceSpringParams{

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   mass?: number;// = 1.0

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   damping?: number;// = 10.0

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   stiffness?: number;// = 100.0

3. Javascript color conversion algorith...Javascript color conversion algorithms. Complete HEX, HSL, RGB and named css color parsing & interpolation in the HCL color space. All constants directly sourced from the google/chromium open source project. Play, compare and benchmark against d3 on https://svelte.dev/repl/0a40a8348f8841d0b7007c58e4d9b54c

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   typeRGBA=[number,number,number,number];

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   constrgb255=(v: number)=>(v<255 ? (v>0 ? v : 0) : 255);

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   constb1=(v: number)=>(v>0.0031308 ? v**(1/2.4)*269.025-14.025 : v*3294.6);

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   constb2=(v: number)=>(v>0.2068965 ? v**3 : (v-4/29)*(108/841));

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   consta1=(v: number)=>(v>10.314724 ? ((v+14.025)/269.025)**2.4 : v/3294.6);

4. Styles and colors for CLIs in TypeSc...Styles and colors for CLIs in TypeScript. Try it on https://replit.com/@pushkine/ColdTautSpools#index.ts

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   /** MIT License github.com/pushkine */

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   exportconstcolor=(function<Cextendsreadonlyany[],Mextends{}>(colors: C,mods: M){

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   constfn=(c1: number,c2: number,str: string)=>`\x1b[${c1}m${str}\x1b[${c2}m`;

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   constfnc=(c1: number,str: string)=>fn(c1,39,str.replace(/\x1b\[39m/g,`\x1b[${c1}m`));

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   constobj={unstyle: (str: string)=>str.replace(/\x1b\[[0-9]{1,2}m/g,""),grey: fnc.bind(null,90)};

5. benchmarks.mdbenchmarks.md

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   https://jsbench.me/user/pushkine