gistfile1.js

that.buttonLabel = ko.computed(function () {
    if (that.isTermSelected()) {
        return str("deleteEntireTerm");
    } 
    
    if (idsToDelete().length > 0) {
      return idsToDelete().length === 1 ? str("deleteCourse") : str("deleteCourses");
    }
    
    return str("deleteSelection");
});