plane/web/components/pages/editor/summary/popover.tsx

import { useState } from "react";
import { usePopper } from "react-popper";
import { List } from "lucide-react";
// document editor
import { EditorReadOnlyRefApi, EditorRefApi, IMarking } from "@plane/document-editor";
// helpers
import { cn } from "@/helpers/common.helper";
// components
import { PageContentBrowser } from "./content-browser";

type Props = {
  editorRef: EditorRefApi | EditorReadOnlyRefApi | null;
  isFullWidth: boolean;
  markings: IMarking[];
  sidePeekVisible: boolean;
  setSidePeekVisible: (sidePeekState: boolean) => void;
};

export const PageSummaryPopover: React.FC<Props> = (props) => {
  const { editorRef, markings, sidePeekVisible, setSidePeekVisible } = props;
  // refs
  const [referenceElement, setReferenceElement] = useState<HTMLButtonElement | null>(null);
  const [popperElement, setPopperElement] = useState<HTMLDivElement | null>(null);
  // popper-js
  const { styles: summaryPopoverStyles, attributes: summaryPopoverAttributes } = usePopper(
    referenceElement,
    popperElement,
    {
      placement: "bottom-start",
    }
  );

  return (
    <div className="group/summary-popover w-min whitespace-nowrap">
      <button
        type="button"
        ref={setReferenceElement}
        className={`grid h-7 w-7 place-items-center rounded ${
          sidePeekVisible ? "bg-custom-primary-100/20 text-custom-primary-100" : "text-custom-text-300"
        }`}
        onClick={() => setSidePeekVisible(!sidePeekVisible)}
      >
        <List className="h-4 w-4" />
      </button>
      <div
        className={cn("block md:hidden", {
          // "md:hidden": !isFullWidth,
        })}
      >
        {sidePeekVisible && (
          <div
            className="z-10 max-h-80 w-64 overflow-y-auto rounded border-[0.5px] border-custom-border-200 bg-custom-background-100 p-3 shadow-custom-shadow-rg"
            ref={setPopperElement}
            style={summaryPopoverStyles.popper}
            {...summaryPopoverAttributes.popper}
          >
            <PageContentBrowser setSidePeekVisible={setSidePeekVisible} editorRef={editorRef} markings={markings} />
          </div>
        )}
      </div>
      <div className="hidden md:block">
        {!sidePeekVisible && (
          <div
            className="z-10 hidden max-h-80 w-64 overflow-y-auto rounded border-[0.5px] border-custom-border-200 bg-custom-background-100 p-3 shadow-custom-shadow-rg group-hover/summary-popover:block"
            ref={setPopperElement}
            style={summaryPopoverStyles.popper}
            {...summaryPopoverAttributes.popper}
          >
            <PageContentBrowser editorRef={editorRef} markings={markings} />
          </div>
        )}
      </div>
    </div>
  );
};