What problem it solves

Building user interfaces requires an approach that connects application state to the elements that depend on it without repeatedly rebuilding the view. Solid addresses this by compiling templates to real DOM nodes and updating them through fine-grained reactions.

Key features

• Fine-grained DOM updates — Solid compiles JSX to real DOM operations, allowing dependent expressions to update without rebuilding the surrounding interface.

  Source: README

• Declarative reactive state — State is modeled with reactive primitives, and accessing reactive state automatically establishes the dependency needed for updates.

  Source: README

• Render-once components — Components are regular JavaScript functions that run once to establish their view, while individual reactive expressions handle subsequent changes.

  Source: README

• Client and server rendering — Components can be rendered on both the client and the server, including support for streaming server rendering and progressive hydration.

  Source: README

• Built-in application primitives — The library includes state management and data-loading primitives that integrate with its rendering features.

  Source: README

Quick start

Copied verbatim from the project's README.

> npm i -D babel-preset-solid
> npm i solid-js

import { createSignal } from "solid-js";
import { render } from "solid-js/web";

function Counter() {
  const [count, setCount] = createSignal(0);
  const doubleCount = () => count() * 2;
  
  console.log("The body of the function runs once...");

  return (
    <>
      <button onClick={() => setCount(c => c + 1)}>
        {doubleCount()}
      </button>
    </>
  );
}

render(Counter, document.getElementById("app")!);

Who it may suit

This may suit JavaScript or TypeScript developers who want a declarative interface model with direct DOM access and reactive state primitives. It may also suit teams building both client-rendered and server-rendered applications.

Topics to discuss

• Which reactive primitive patterns have worked well in your Solid applications?

• How do you organize server rendering, streaming, and progressive hydration in production projects?

• What resources or examples would help developers understand Solid's fine-grained updates?

Written by ReadmeX AI from the project's README, source and public GitHub data; it may contain mistakes.

Read the original README https://github.com/solidjs/solid#readme

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