Yu1709$!%yuyu!$%wutu!5=126+

                
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\   \/  /  _____|  |   ______  _  __
 \     /  /  ___/  |  /  _ \ \/ \/ /
 /     \  \___ \|  |_(  <_> )     / 
/___/\  \/____  >____/\____/ \/\_/  
      \_/     \/    @ligmakokz

Editing: json-handler.php

<?php

namespace ElementsKit_Lite;

defined('ABSPATH') || exit;

class ElementsKit_Json_Handler {

const MIME_TYPE = 'application/json';
	const EXT = 'json';

/**
	 * The plugin instance.
	 */
	public static $instance = null;

/**
	 * constructor function.
	 */
	public function __construct() {
		add_filter('upload_mimes', array($this, 'upload_mimes'));
		add_filter('wp_handle_upload_prefilter', array($this, 'wp_handle_upload_prefilter'));
		add_filter('wp_check_filetype_and_ext', array($this, 'wp_check_filetype_and_ext'), 10, 4);
	}

/**
	 * Adds json file format
	 */
	public function upload_mimes($allowed_types) {
		$allowed_types[self::EXT] = self::MIME_TYPE;

return $allowed_types;
	}

public function wp_handle_upload_prefilter($file) {
		if(self::MIME_TYPE !== $file['type']) {
			return $file;
		}

$ext = pathinfo($file['name'], PATHINFO_EXTENSION);

if(self::EXT !== $ext) {
			$file['error'] = sprintf('%1a %2s $3s',
				esc_html__('The uploaded', 'elementskit-lite'),
				$file['name'],
				esc_html__('file is not supported. Please upload a valid JSON file', 'elementskit-lite'),
			);

return $file;
		}

return $file;
	}

public function wp_check_filetype_and_ext($data, $file, $filename, $mimes) {
		if(!empty($data['ext']) && !empty($data['type'])) {
			return $data;
		}

$filetype = wp_check_filetype($filename, $mimes);

if(self::EXT === $filetype['ext']) {
			$data['ext']  = self::EXT;
			$data['type'] = self::MIME_TYPE;
		}

return $data;
	}

/**
	 * Instance.
	 */
	public static function instance() {
		if(is_null(self::$instance)) {
			// Fire when ElementsKit_Lite instance.
			self::$instance = new self();
		}

return self::$instance;
	}
}

// Run the instance.
ElementsKit_Json_Handler::instance();

Name	Type	Actions
assets	Directory
json-handler.php	File
lottie-handler.php	File
lottie.php	File