utils.js

function formatVal(val, format) {
	if( !format ) return val;
	switch ( format ) {
		case "sign" : 
			return val > 0 ? "+" + val : val ;
			break;
		case "aztext" : 
			return val.toLowerCase().replace(/[^a-z]/g, "");
			break;
		case "azspaceminustext" :  //return lowercased string with anything beside a-z, space and minus excluded
			return val.toLowerCase().replace(/[^a-z(\-)(\ )]/g, "");
			break;
		case "d2pr" : // "percents" 0.54321 > 54.32%
			return Math.round(val*10000)/100 + "%";
			break;
		case "d2pp" : // "plain percents" 0.54321 > 54.3
			return Math.round(val*1000)/10;
			break;
		case "d2sd" :
			return Math.round(val*100)/100;
			break;
		case "d2fd" :
			var res = Math.round(val*10)/10;
			if( res-Math.round(res) === 0) res += ".0";
			return res + " ";
			break;
		case "h2hm" :
			var hrs = (val/60 < 10 ? "0" : "") + Math.floor(val/60);
			var mns = (val%60 < 10 ? "0" : "") + Math.round(val%60);
			return hrs + ":" + mns;
			break;
		case "wikiurl" : 
			return encodeURIComponent(val.replace(/\ +/g, "_") );
			break;
		default :
			return val;
	}	
}

function azContains(a, b){
	if ( arrayIncludes(strictMatch, b) ) {
		return (formatVal(a, "aztext") == formatVal(b, "aztext"));	
	} else {
		return formatVal(a, "aztext").indexOf( formatVal(b, "aztext") ) !== -1;
	}
}

function arrayIncludes(array, item) {
	for (var i = 0; i < array.length; i++) {
		if (array[i] == item) {
			return true;
		}
	}
	return false;
}