Element Api

element-api.php

<?php
use craft\elements\Entry;
use craft\helpers\UrlHelper;

return [
    'endpoints' => [
        'news.json' => function() {
            return [
                'elementType' => Entry::class,
                'criteria' => ['section' => 'news'],
                'transformer' => function(Entry $entry) {
                  $photos = [];
                  foreach ($entry->mainImage as $photo) {
                    $photos[] = $photo->getUrl();
                  }
                  $siteId = null;
                  $htmlcontent = $entry->htmlContent;
                  $SuperTableRows = [];

                  foreach ($entry->repeater as $row){
                    $SuperTableRows[] = [
                      'lastName' => $row->lastName,
                      'email' => $row->email
                    ];
                  }
                  $content = Craft::$app->getElements()->parseRefs((string)$htmlcontent, $siteId);
                    return [
                        'title' => $entry->title,
                        'dateCreated' => $entry->dateCreated,
                        'content' => $content,
                        'url' => $photos,
                        'repeater' => $SuperTableRows,

                    ];

                },

            ];
        },

    ]
];




 ?>