plane/web/components/issues/issue-detail/issue-activity/activity/activity-list.tsx

import { FC } from "react";
import { observer } from "mobx-react-lite";
// hooks
import { useIssueDetail } from "@/hooks/store";
// components
import {
  IssueDefaultActivity,
  IssueNameActivity,
  IssueDescriptionActivity,
  IssueStateActivity,
  IssueAssigneeActivity,
  IssuePriorityActivity,
  IssueEstimateActivity,
  IssueParentActivity,
  IssueRelationActivity,
  IssueStartDateActivity,
  IssueTargetDateActivity,
  IssueCycleActivity,
  IssueModuleActivity,
  IssueLabelActivity,
  IssueLinkActivity,
  IssueAttachmentActivity,
  IssueArchivedAtActivity,
  IssueInboxActivity,
} from "./actions";

type TIssueActivityList = {
  activityId: string;
  ends: "top" | "bottom" | undefined;
};

export const IssueActivityList: FC<TIssueActivityList> = observer((props) => {
  const { activityId, ends } = props;
  // hooks
  const {
    activity: { getActivityById },
    comment: {},
  } = useIssueDetail();

  const componentDefaultProps = { activityId, ends };

  const activityField = getActivityById(activityId)?.field;
  switch (activityField) {
    case null: // default issue creation
      return <IssueDefaultActivity {...componentDefaultProps} />;
    case "state":
      return <IssueStateActivity {...componentDefaultProps} showIssue={false} />;
    case "name":
      return <IssueNameActivity {...componentDefaultProps} />;
    case "description":
      return <IssueDescriptionActivity {...componentDefaultProps} showIssue={false} />;
    case "assignees":
      return <IssueAssigneeActivity {...componentDefaultProps} showIssue={false} />;
    case "priority":
      return <IssuePriorityActivity {...componentDefaultProps} showIssue={false} />;
    case "estimate_point":
      return <IssueEstimateActivity {...componentDefaultProps} showIssue={false} />;
    case "parent":
      return <IssueParentActivity {...componentDefaultProps} showIssue={false} />;
    case ["blocking", "blocked_by", "duplicate", "relates_to"].find((field) => field === activityField):
      return <IssueRelationActivity {...componentDefaultProps} />;
    case "start_date":
      return <IssueStartDateActivity {...componentDefaultProps} showIssue={false} />;
    case "target_date":
      return <IssueTargetDateActivity {...componentDefaultProps} showIssue={false} />;
    case "cycles":
      return <IssueCycleActivity {...componentDefaultProps} />;
    case "modules":
      return <IssueModuleActivity {...componentDefaultProps} />;
    case "labels":
      return <IssueLabelActivity {...componentDefaultProps} showIssue={false} />;
    case "link":
      return <IssueLinkActivity {...componentDefaultProps} showIssue={false} />;
    case "attachment":
      return <IssueAttachmentActivity {...componentDefaultProps} showIssue={false} />;
    case "archived_at":
      return <IssueArchivedAtActivity {...componentDefaultProps} />;
    case "inbox":
      return <IssueInboxActivity {...componentDefaultProps} />;
    default:
      return <></>;
  }
});