Function isWeekdayStr

codebase/sources/dhtmlxscheduler.js:15713–15715

(value)

    return typeof value === "number";
  };
  var isWeekdayStr = function(value) {
    return typeof value === "string" && ALL_WEEKDAYS.includes(value);
  };
  var isArray = Array.isArray;
  var range = function(start, end) {
    if (end === void 0) {