MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */

/* For every span, div, table, td, or th, if that element has the class "pops", then all anchor links (e.g. from [] or [[]] syntax) should  open in a new tab/window. */
$( function() {
     var pops = function( elems ) {
         for (var i=0; i<elems.length; i++) {
             if ( !(' '+elems[i].className+' ').match( / pops / ) ) continue;
             var anchs = elems[i].getElementsByTagName('a');
             for (var j=0; j<anchs.length; j++) anchs[j].target = '_blank';
         }
     };
     var bc = document.getElementById('bodyContent');
     var tags = ['span', 'div', 'table', 'td', 'th'];
     for (var i=0; i<tags.length; i++) pops( bc.getElementsByTagName( tags[i] ) );
 } );





/*Inject a search bar to filter elements in lists, where the list filterer template is used*/
$( function() {
    var filterFunction = function(searchterm) {
	var searchterm = this.parentElement.getElementsByClassName('list-filterer-input')[0].value;
	var searchtarget = this.parentElement.getElementsByClassName(this.getAttribute('data-list'));
	var searchin = searchtarget.length>0?searchtarget:[this.parentElement.parentElement];
	var el = 'li';
	var e = this.parentElement.getElementsByTagName(el);
        for ( var i=0;i<searchin.length;i++) {
			var e = searchin[i].getElementsByTagName(el);
            for ( var i=0;i<e.length;i++ ) {
                if (e[i].title.includes(searchterm) || e[i].textContent.includes(searchterm) ) {
					e[i].style.removeProperty('display');
				} else {
					e[i].style.display='none';
				}
            }
		}
	};
    var s = document.getElementsByClassName('list-filterer');
    for ( var i=0; i<s.length; i++ ) {
        if (s[i].getAttribute('data-ready')) continue;
        var input = document.createElement('input');
        var button = document.createElement('input');
		
        input.setAttribute('class', 'list-filterer-input ' +s[i].getAttribute('class'));
        input.setAttribute('type', 'search');
        input.setAttribute('placeholder', s[i].getAttribute('data-placeholder'));
		
        button.setAttribute('class', 'list-filterer-button ' +s[i].getAttribute('class'));
        button.setAttribute('type', 'submit');
        button.setAttribute('value', s[i].getAttribute('data-value'));
		if (s[i].getAttribute('data-list')) {
		    button.setAttribute('data-list', s[i].getAttribute('data-list'));
		}
		
	    s[i].insertBefore(input, null);
	    s[i].insertBefore(button, null);
		input.onchange = filterFunction;
		button.onclick = filterFunction;
		
        s[i].setAttribute('data-ready', 'ready');
        input.setAttribute('data-ready', 'ready');
        button.setAttribute('data-ready', 'ready');
    }
} );





/*Auto redirect (for template "Preview redirect")*/
if (autoRedirectDiv = document.getElementById('automaticRedirect')) {
    try {
        var targetForRedirect = autoRedirectDiv.getElementsByTagName('a')[0].href
        var timeForRedirect = (autoRedirectDiv.getElementsByClassName('timeToRedirect')[0].getInnerHTML())
    } catch (err) {
        console.error(err);
    }
    var intervalId = setInterval(function(){
        try {
            var targetForRedirect = autoRedirectDiv.getElementsByTagName('a')[0].href
            var timeForRedirect = (autoRedirectDiv.getElementsByClassName('timeToRedirect')[0].getInnerHTML())
            if (timeForRedirect <= 1 && timeForRedirect > 0) {
                (autoRedirectDiv.getElementsByClassName('timeToRedirect')[0].innerHTML = 0);
                console.log('redirecting to: '+targetForRedirect+' now.');
                window.location = targetForRedirect;
            } else {
                (autoRedirectDiv.getElementsByClassName('timeToRedirect')[0].innerHTML = timeForRedirect-1);
                console.log('redirecting to: '+targetForRedirect+' in '+timeForRedirect+' second(s).');
            }
        } catch (err) {
            console.error(err);
        }
    }, 1000)
    console.log('redirecting to: '+targetForRedirect+' in '+timeForRedirect+' second(s).');
}




/*Mediawiki editing rules enforcement*/
var getAllPatternMatches = function(subject, pattern) {
    var results = [];
    var matches = [...subject.matchAll(pattern)];
    for (var match of matches) {
        results.push(match);
    }
    return results;
}
var getSurroundingText = function(subject, startIndex, length) {
    var buffer = 40
    var start = Math.max(0, startIndex-buffer);
    var end = Math.min(subject.length, startIndex+length+buffer);
    return subject.substring(start, end);
}

var rules = {'Avoid <br>': { 'regex': /(<br(\s[^>]*)*>(\s)*)+/ig, 'warning':'There is an instance of a manual <br>.'}};

var getRulesResults = function() {
    var results = {};
    for (var ruleName in rules) {
        var rule = rules[ruleName];
        var results = [];
        if (rule['regex']) {
            var newResults = getAllPatternMatches(content, rule['regex']);
        }
        if ( newResults.length > 0 ) {
            results[ruleName] = newResults;
        }
    }
    return results;
}

var convertResultsToDom = function(results) {
    var $output = $('<div class=\'editResults\'></div>');
    if ( Object.values(results).length > 0 ) {
        for (var resultName in results) {
            var rule = rules[ruleName];
            var text = rule['error'] ? rule['error'] : rule['warning'];
            $results = $('<div></div>');
            $results.append('<span class=\'editResultsHeader\'></span>').text(text);
            
            var ruleResults = results[resultName];
    
            for (var result of ruleResults) {
                var stringResult = getSurroundingText(content, result['index'], result[0].length);
                
                //var stringResult = stringResult.replace(/[\u00A0-\u9999<>\&]/gim, function(i) {
                //    return '&#' + i.charCodeAt(0) + ';';
                //});

                $results.append( $('<p></p>').text(stringResult) );
            }
            $output.append($results);
        }
    }
    return $output;
}

var reportResults = function( results ) {
    var $dom = convertResultsToDom( results );
    $('.editButtons').find('.editResults').remove();
    $('.editButtons').prepend( $dom );
    console.log($dom);
}

var checkAndReportResults = function() {
    var content = $('textarea').val();
    var results = getRulesResults( content );
    reportResults( results );
}