excalidraw/src/components/LibraryButton.tsx

import React from "react";
import { t } from "../i18n";
import { AppState } from "../types";
import { capitalizeString } from "../utils";
import { trackEvent } from "../analytics";
import { useDevice } from "./App";
import "./LibraryButton.scss";
import { LibraryIcon } from "./icons";

export const LibraryButton: React.FC<{
  appState: AppState;
  setAppState: React.Component<any, AppState>["setState"];
  isMobile?: boolean;
}> = ({ appState, setAppState, isMobile }) => {
  const device = useDevice();
  const showLabel = !isMobile;

  // TODO barnabasmolnar/redesign
  // not great, toolbar jumps in a jarring manner
  if (appState.isSidebarDocked && appState.openSidebar === "library") {
    return null;
  }

  return (
    <label title={`${capitalizeString(t("toolBar.library"))} — 0`}>
      <input
        className="ToolIcon_type_checkbox"
        type="checkbox"
        name="editor-library"
        onChange={(event) => {
          document
            .querySelector(".layer-ui__wrapper")
            ?.classList.remove("animate");
          const isOpen = event.target.checked;
          setAppState({ openSidebar: isOpen ? "library" : null });
          // track only openings
          if (isOpen) {
            trackEvent(
              "library",
              "toggleLibrary (open)",
              `toolbar (${device.isMobile ? "mobile" : "desktop"})`,
            );
          }
        }}
        checked={appState.openSidebar === "library"}
        aria-label={capitalizeString(t("toolBar.library"))}
        aria-keyshortcuts="0"
      />
      <div className="library-button">
        <div>{LibraryIcon}</div>
        {showLabel && (
          <div className="library-button__label">{t("toolBar.library")}</div>
        )}
      </div>
    </label>
  );
};