rvx
Version:
A signal based rendering library
17 lines (16 loc) • 547 B
TypeScript
import { Expression } from "../core/signals.js";
/**w
* Map expression values to strings except `null` or `undefined`.
*
* See {@link map}.
*
* @example
* ```tsx
* import { optionalString } from "rvx";
*
* <div some-value={optionalString(false)} />; // <div some-value="false" />
* <div some-value={optionalString(null)} />; // <div />
* <div some-value={optionalString(undefined)} />; // <div />
* ```
*/
export declare function optionalString<T>(input: Expression<T>): Expression<string | Exclude<T, Exclude<T, null | undefined>>>;