custom table with my sort any data

UserList.vue

if (event.target.classList[0] === "points") {
        this.toggleSortTable.points ? this.users.sort((a, b) => b.points_earned - a.points_earned) : this.users.sort((a, b) => a.points_earned - b.points_earned);
        this.toggleSortTable.points = !this.toggleSortTable.points;
      } else if (event.target.classList[0] === "name") {
        if(this.toggleSortTable.name) {
          this.users.sort(function (a, b) {
            if (a.name < b.name) {
              return 1;
            }
            if (a.name > b.name) {
              return -1;
            }
          });
        }
        else {
            this.users.sort(function (a, b) {
            if (a.name > b.name) {
              return 1;
            }
            if (a.name < b.name) {
              return -1;
            }
          });
        }
        this.toggleSortTable.name = !this.toggleSortTable.name;
      } else if(event.target.classList[0] === "date") {
        if(this.toggleSortTable.date) {
          this.users.sort((a, b) => {
            const dateA = new Date(a.registration_date);
            const dateB = new Date(b.registration_date);
            return dateB - dateA;
          });
        } else {
          this.users.sort((a, b) => {
            const dateA = new Date(a.registration_date);
            const dateB = new Date(b.registration_date);
            return dateA - dateB;
          });
        }
        this.toggleSortTable.date = !this.toggleSortTable.date;
      }