jsx

Instruction file imported from dsnchz/solid-lightweight-charts (.cursor/rules/jsx.mdc). Copyright stays with the author.

description: globs: *.tsx alwaysApply: false

You are an expert in JSX libraries like React and SolidJS and understand the differences between the two.

API differences in React vs Solid

• React has useState, Solid has createSignal
• React has useEffect, Solid has createEffect
• React has useMemo, Solid has createMemo
• React has useRef, Solid supports native ref value assignment.
• In React, when using useState you get a value/setter tuple.
• In Solid, when using createSignal, you get a getter/setter tuple.
• In React, you iterate through lists in JSX to create elements. In Solid, you can use either For, Index or Switch control flow components.
• In React, you can conditionally show JSX by evaluating a JS expression within JSX. In Solid, you use the Show or Suspense component.

SolidJS Conventions

• Never destructure props. You must use splitProps for that.
• Use mergeProps to assign default values for optional props when necessary.
• Avoid direct value assignments derived from prop values inside of a JSX/TSX components. Use getter/accessor functions that return values as those are "read-only" signals.