![]() ![]() The idea is to only listen for the events needed at the appropriate times. This triggers the assignment of two more event listeners, one for mouseup and the other for mousemove. Everything is initiated by the mousedown event. The component applies a cycle of event listeners. The Handle uses absolute positioning, specifically the left property to determine its location. A ref is used to paint the Canvas with the usePaintHue hook. There is a wrapper that holds the Canvas and Handle components. There is a decent amount going on in the Hue component. Import React from 'react' import styled, export default Picker Index.js is the root of our application, where we render our React component To keep things simple, all files will be stored in the source, or src directory. If you are not familiar with Styled Components, have no fear young grasshopper, it is just plain old CSS for the most part. This tutorial will use Styled Components, which can be installed easily through the dependencies interface of Code Sandbox or with your package manage of choice. I link Code Sandbox for quick prototyping, but feel free to use whatever method you like. Start by bootstrapping a React application. ![]() Try the code yourself on Code Sandbox Getting Started I will do by best to keep a slow pace and explain the thinking behind component composition and how the pieces fit together. The target audience for the article probably has some experience with React, but by no means does it require expert ability. This article will cover the step by step process. Recently, I decided to see what my current skills could produce. It turns out that a color picker can be quite complex when implementing modern features. ![]() They were total abominations if my memory serves me correctly. HSLA PIXEL PICKER HOW TOBuilding a color picker was one of the first projects I tried once I knew how to string together a couple lines of JavaScript. ![]()
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