mediawiki-extensions-VisualEditor/includes/VisualEditorDesktopArticleTargetInitModule.php

<?php
/**
 * ResourceLoader module for the 'ext.visualEditor.desktopArticleTarget.init'
 * module. Necessary to incorporate the VisualEditorTabMessages
 * configuration setting.
 *
 * @file
 * @ingroup Extensions
 * @copyright 2011-2018 VisualEditor Team and others; see AUTHORS.txt
 * @license MIT
 */

class VisualEditorDesktopArticleTargetInitModule extends ResourceLoaderFileModule {

	/**
	 * @inheritDoc
	 */
	public function getMessages() {
		$messages = parent::getMessages();

		$veConfig = ConfigFactory::getDefaultInstance()->makeConfig( 'visualeditor' );
		$messages = array_merge(
			$messages,
			array_filter( $veConfig->get( 'VisualEditorTabMessages' ) )
		);

		// Skin-dependent messages for the edit tab (same as generated by SkinTemplate).
		// We only need the message for the current skin, but we don't know which skin will be used.
		// Only some skins use these (e.g. Vector), others just use default 'edit' and 'create'.
		foreach ( SkinFactory::getDefaultInstance()->getSkinNames() as $skname => $unused ) {
			foreach ( [ 'edit', 'create' ] as $msgKey ) {
				// e.g. vector-view-edit, vector-view-create
				if ( wfMessage( "$skname-view-$msgKey" )->inContentLanguage()->exists() ) {
					$messages[] = "$skname-view-$msgKey";
				}
			}
		}

		return $messages;
	}

}