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

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

import { autoValue } from '../utils/auto-value.js';

/**
 * @deprecated don't use
 **/
const isObjectSource = (expression) => Array.isArray(expression) && expression.length == 2;
/**
 * A data source that updates an object's property from an <input> element when
 * a certain event occurs
 * @param key an ['property', object] or [index, array] pair to update
 * @returns A data source
 * @example <input oninput="${[obj, 'property']}">
 * @example <input oninput="${ObjectSource('property', obj)}">
 * @example <input oninput="${ObjectSource(4, arr)}">
 */
const ObjectSource = (key, targetObject) => {
    const handler = ((targetObject, e) => {
        const t = e.target;
        targetObject[key] = autoValue(t);
    });
    return (targetObject
        ? handler.bind(null, targetObject)
        : (t2) => handler.bind(null, t2));
};
/**
 * An Event Adapter that uses an event's underlying &lt;input&gt; element
 * to updates an object's property or an array item.
 * @param property A property to update in the given object or an index to update in the given array
 * @param object The object or array to update
 * @returns An event handler
 */
const Update = (property, object) => ObjectSource(property, object);
const asObjectSource = ObjectSource;
const AsObjectSource = ObjectSource;

export { AsObjectSource, ObjectSource, Update, asObjectSource, isObjectSource };
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