Fix composer autoload

[thomas-topway-it]

Fixes #76

This file is part of the SemanticMetaTags extension, it is not a valid entry point

• Moves extension autoload from composer.json to extension.json
• Remove redundant semantic-media-wiki require to allow running composer in the extension folder

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.28%. Comparing base (4f1cce3) to head (b9a38a1).

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff            @@
##             master      #79   +/-   ##
=========================================
  Coverage     97.28%   97.28%           
  Complexity       67       67           
=========================================
  Files             6        6           
  Lines           184      184           
=========================================
  Hits            179      179           
  Misses            5        5           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[kghbln]

@thomas-topway-it Out of curiosity: How does the extension know it requires SMW hard?

[thomas-topway-it]

@kghbln hello Karsten, from SemanticMetaTags.php

   public static function onExtensionFunction() {

   	if ( !defined( 'SMW_VERSION' ) ) {

   		if ( PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg' ) {
   			die( "\nThe 'Semantic Meta Tags' extension requires 'Semantic MediaWiki' to be installed and enabled.\n" );
   		} else {
   			die(
   				'<b>Error:</b> The <a href="https://www.semantic-mediawiki.org/wiki/Extension:Semantic_Meta_Tags">Semantic Meta Tags</a> ' .
   				'extension requires <a href="https://www.semantic-mediawiki.org/wiki/Semantic_MediaWiki">Semantic MediaWiki</a> to be ' .
   				'installed and enabled.<br>'
   			);
   		}
   	}

(if I understood correctly the question)

[kghbln]

Yeah, you did understand correctly. I was asking out of curiosity since other extensions still do it even both in https://github.com/SemanticMediaWiki/SemanticExtraSpecialProperties/blob/master/extension.json#L18 and https://github.com/SemanticMediaWiki/SemanticExtraSpecialProperties/blob/master/composer.json#L48 though that particular extension does no longer have a SemanticExtraSpecialProperties.php to be able to check this information.

[thomas-topway-it]

the main reason I've removed it, it is for testing purposes to allow installing the required libraries (mainly easyRdf and json-ld, see here #80 ) in the extension's folder. Therefore once that #80 will be merged the SMW require in composer could be restored back. (if deemed necessary, for this actually we should check the strategy followed by all similar extensions dependent on SMW)

[kghbln]

@thomas-topway-it Is this still a work in progress? If not, your changes should be reviewed and merged for a new release.

[thomas-topway-it]

I'm sorry, I have to fix the tests before

[kghbln]

No worries.

[thomas-topway-it]

so now it should work. @kghbln and @gesinn-it-gea are you able to test/check it together with #80 ? once that the 2 PRs will be merged or verified, we could also restore the loading through composer, also if in my opinion is not necessary

[kghbln]

I currently do not have the time to test.