rimmel/dist/esm/sinks/error-sink.js

A Streams-Oriented UI library for the Rx.Observable Universe

import { catchError, of } from 'rxjs';

/**
 * An error-catcher sink that displays a custom message when the underlying stream errors
 * @param stream The original data or source stream
 * @param handler A function that takes an error and returns a message
 * @returns RMLTemplateExpression A template expression for the "innerHTML" attribute
 * @example <div>${Catch(contentStream)}">
 * @example <input value="${Catch(valueStream)}">
 */
const Catch = (stream, handler) => (stream.pipe?.(catchError((err) => of(handler(err)))))
    ?? (stream.catch?.((err) => handler(err)))
    ?? stream;

export { Catch };
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