plane/web/components/issues/issue-layouts/kanban/headers/state-group.tsx

// mobx
import { observer } from "mobx-react-lite";
// components
import { HeaderGroupByCard } from "./group-by-card";
import { HeaderSubGroupByCard } from "./sub-group-by-card";
import { StateGroupIcon } from "components/icons";
// constants
import { issueStateGroupByKey } from "constants/issue";

export interface IStateGroupHeader {
  column_id: string;
  sub_group_by: string | null;
  group_by: string | null;
  header_type: "group_by" | "sub_group_by";
  issues_count: number;
}

export const Icon = ({ stateGroup, color }: { stateGroup: any; color?: any }) => (
  <div className="w-[14px] h-[14px] rounded-full">
    <StateGroupIcon stateGroup={stateGroup} color={color || null} width="14" height="14" />
  </div>
);

export const StateGroupHeader: React.FC<IStateGroupHeader> = observer(
  ({ column_id, sub_group_by, group_by, header_type, issues_count }) => {
    const stateGroup = column_id && issueStateGroupByKey(column_id);

    console.log("stateGroup", stateGroup);

    return (
      <>
        {stateGroup &&
          (sub_group_by && header_type === "sub_group_by" ? (
            <HeaderSubGroupByCard
              column_id={column_id}
              icon={<Icon stateGroup={stateGroup?.key} />}
              title={stateGroup?.key || ""}
              count={issues_count}
            />
          ) : (
            <HeaderGroupByCard
              sub_group_by={sub_group_by}
              group_by={group_by}
              column_id={column_id}
              icon={<Icon stateGroup={stateGroup?.key} />}
              title={stateGroup?.key || ""}
              count={issues_count}
            />
          ))}
      </>
    );
  }
);