webpro/DOMtastic

/**
 * @module DOM (extra)
 */

import { each } from '../util';
import { append, before } from './index';
import { $ } from '../selector/index';

/**
 * Append each element in the collection to the specified element(s).
 *
 * @param {Node|NodeList|Object} element What to append the element(s) to. Clones elements as necessary.
 * @return {Object} The wrapped collection
 * @chainable
 * @example
 *     $('.item').appendTo(container);
 */

export const appendTo = function(element) {
  const context = typeof element === 'string' ? $(element) : element;
  append.call(context, this);
  return this;
};

/*
 * Empty each element in the collection.
 *
 * @return {Object} The wrapped collection
 * @chainable
 * @example
 *     $('.item').empty();
 */

export const empty = function() {
  return each(this, element => element.innerHTML = '');
};

/**
 * Remove the collection from the DOM.
 *
 * @return {Array} Array containing the removed elements
 * @example
 *     $('.item').remove();
 */

export const remove = function() {
  return each(this, element => {
    if(element.parentNode) {
      element.parentNode.removeChild(element);
    }
  });
};

/**
 * Replace each element in the collection with the provided new content, and return the array of elements that were replaced.
 *
 * @return {Array} Array containing the replaced elements
 */

export const replaceWith = function() {
  return before.apply(this, arguments).remove();
};

/**
 * Get the `textContent` from the first, or set the `textContent` of each element in the collection.
 *
 * @param {String} [value]
 * @return {Object} The wrapped collection
 * @chainable
 * @example
 *     $('.item').text('New content');
 */

export const text = function(value) {

  if(value === undefined) {
    return this[0].textContent;
  }

  return each(this, element => element.textContent = '' + value);
};

/**
 * Get the `value` from the first, or set the `value` of each element in the collection.
 *
 * @param {String} [value]
 * @return {Object} The wrapped collection
 * @chainable
 * @example
 *     $('input.firstName').val('New value');
 */

export const val = function(value) {

  if(value === undefined) {
    return this.length > 0 ? this[0].value : undefined;
  }

  return each(this, element => element.value = value);
};