shared/validation/validate-tag.js

   1 'use strict';
   2
   3 var MAX_TAG_LENGTH = 20;
   4 var MAX_STAFF_TAG_LENGTH = 50;
   5
   6 var getMaxTagLength = function(isStaff) {
   7   return isStaff ? MAX_STAFF_TAG_LENGTH : MAX_TAG_LENGTH;
   8 };
   9
  10 var validateTag = function(tagName, isStaff) {
  11   var reservedTagTestRegex = /:/;
  12   var isValid = true;
  13   var messageList = [];
  14
  15   if (!isStaff && reservedTagTestRegex.test(tagName)) {
  16     messageList.push('Tags can not use `:` colons.');
  17     isValid = false;
  18   }
  19   var tagLength = !!tagName && tagName.length;
  20   var maxTagLength = getMaxTagLength(isStaff);
  21   if (!tagLength || tagLength <= 0 || tagLength > maxTagLength) {
  22     messageList.push('Tags must be between 1 and ' + maxTagLength + ' characters in length.');
  23     isValid = false;
  24   }
  25
  26   return {
  27     isValid: isValid,
  28     messages: messageList
  29   };
  30 };
  31
  32 module.exports = {
  33   validateTag: validateTag,
  34   getMaxTagLength: getMaxTagLength
  35 };