@wesjet/function.js/lib/single-item.js

wesjet javascript library

/**
 * Copyright (c) Wesbitty, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 *
 */
export class SingleItem {
    constructor(item) {
        this.item = item;
    }
    map(fn) {
        return new SingleItem(fn(this.item));
    }
    filter(fn) {
        return fn(this.item) ? this : new SingleItem(undefined);
    }
}
export const singleItem = (item) => new SingleItem(item);