rimmel/dist/esm/sources/swap-source.js

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

import { map } from 'rxjs';
import { curry } from '../utils/curry.js';

/**
 * An Event Source Operator that "cuts" the value of the underlying <input> element
 * and resets it to the provided value or empty otherwise
 * @param handler A handler function or observer to send events to
 * @returns EventSource<string>
 */
const swap = (replacement) => map((e) => {
    const t = e.target;
    const v = t.value;
    t.value = typeof replacement == 'function' ? replacement(v) : replacement;
    return v;
});
/**
 * An Event Source that "cuts" the value of the underlying &lt;input&gt; element
 * and resets it to the provided value or empty otherwise
 * @param replacement A new value to swap the current element's value with
 * @param source A handler function or observer to send events to
 * @returns EventSource<string>
 */
const Swap = (replacement = '', source) => curry(swap(replacement), source);

export { Swap, swap };
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