function var descriptionJql summaryJql emailJql if TERMS descriptionJq

(function () { 
var descriptionJql = '', summaryJql = '', emailJql = ''; 
if (TERMS[1] != '') { 
descriptionJql += 'description ~ "' + TERMS[1] + '"'; 
summaryJql += 'summary ~ "' + TERMS[1] + '"'; 
} 
if (TERMS[2] != '') { 
descriptionJql += (descriptionJql != '' ? ' AND ' : '') + 'description ~ "' + TERMS[2] + '"'; 
summaryJql += (summaryJql != '' ? ' AND ' : '') + 'summary ~ "' + TERMS[2] + '"'; 
} 
if (TERMS[3] != '') { 
emailJql += (emailJql != '' ? ' AND ' : '') + 'E-mail ~ "' + TERMS[3] + '"';
} 

var descriptionOrSummaryJql = ''; 
if (descriptionJql != ''){ 
descriptionOrSummaryJql += '(' + descriptionJql + ')';} 
if (summaryJql != '') 
descriptionOrSummaryJql += (descriptionOrSummaryJql != '' ? ' OR ' : '') + '(' + summaryJql + ')'; 
if (emailJql != '') 
descriptionOrSummaryJql += (descriptionOrSummaryJql != '' ? ' OR ' : '') + '(' + emailJql + ')'; 

var jql = 'project = BR'; 
if (descriptionOrSummaryJql != '') 
jql += ' AND (' + descriptionOrSummaryJql + ')'; 

return jql; 
})();