feat: Add renderCustomStats prop and expose setToastMessage API via refs to update toast (#3360)

* feat: Add renderCustomStats prop to render extra stats & move storage and version to renderCustomStats

* expose Api to update toast message so single instance of toast is used

* rename to setToastMessage

* update docs

src/components/Stats.tsx

@@ -1,49 +1,22 @@
-import React, { useEffect, useState } from "react";
-import { copyTextToSystemClipboard } from "../clipboard";
-import { DEFAULT_VERSION } from "../constants";
+import React from "react";
 import { getCommonBounds } from "../element/bounds";
 import { NonDeletedExcalidrawElement } from "../element/types";
-import {
-  getElementsStorageSize,
-  getTotalStorageSize,
-} from "../excalidraw-app/data/localStorage";
 import { t } from "../i18n";
 import { useIsMobile } from "../is-mobile";
 import { getTargetElements } from "../scene";
-import { AppState } from "../types";
-import { debounce, getVersion, nFormatter } from "../utils";
+import { AppState, ExcalidrawProps } from "../types";
 import { close } from "./icons";
 import { Island } from "./Island";
 import "./Stats.scss";
 
-type StorageSizes = { scene: number; total: number };
-
-const getStorageSizes = debounce((cb: (sizes: StorageSizes) => void) => {
-  cb({
-    scene: getElementsStorageSize(),
-    total: getTotalStorageSize(),
-  });
-}, 500);
-
 export const Stats = (props: {
   appState: AppState;
   setAppState: React.Component<any, AppState>["setState"];
   elements: readonly NonDeletedExcalidrawElement[];
   onClose: () => void;
+  renderCustomStats: ExcalidrawProps["renderCustomStats"];
 }) => {
   const isMobile = useIsMobile();
-  const [storageSizes, setStorageSizes] = useState<StorageSizes>({
-    scene: 0,
-    total: 0,
-  });
-
-  useEffect(() => {
-    getStorageSizes((sizes) => {
-      setStorageSizes(sizes);
-    });
-  });
-
-  useEffect(() => () => getStorageSizes.cancel(), []);
 
   const boundingBox = getCommonBounds(props.elements);
   const selectedElements = getTargetElements(props.elements, props.appState);
@@ -53,17 +26,6 @@ export const Stats = (props: {
     return null;
   }
 
-  const version = getVersion();
-  let hash;
-  let timestamp;
-
-  if (version !== DEFAULT_VERSION) {
-    timestamp = version.slice(0, 16).replace("T", " ");
-    hash = version.slice(21);
-  } else {
-    timestamp = t("stats.versionNotAvailable");
-  }
-
   return (
     <div className="Stats">
       <Island padding={2}>
@@ -88,17 +50,7 @@ export const Stats = (props: {
               <td>{t("stats.height")}</td>
               <td>{Math.round(boundingBox[3]) - Math.round(boundingBox[1])}</td>
             </tr>
-            <tr>
-              <th colSpan={2}>{t("stats.storage")}</th>
-            </tr>
-            <tr>
-              <td>{t("stats.scene")}</td>
-              <td>{nFormatter(storageSizes.scene, 1)}</td>
-            </tr>
-            <tr>
-              <td>{t("stats.total")}</td>
-              <td>{nFormatter(storageSizes.total, 1)}</td>
-            </tr>
+
             {selectedElements.length === 1 && (
               <tr>
                 <th colSpan={2}>{t("stats.element")}</th>
@@ -154,28 +106,7 @@ export const Stats = (props: {
                 </td>
               </tr>
             )}
-            <tr>
-              <th colSpan={2}>{t("stats.version")}</th>
-            </tr>
-            <tr>
-              <td
-                colSpan={2}
-                style={{ textAlign: "center", cursor: "pointer" }}
-                onClick={async () => {
-                  try {
-                    await copyTextToSystemClipboard(getVersion());
-                    props.setAppState({
-                      toastMessage: t("toast.copyToClipboard"),
-                    });
-                  } catch {}
-                }}
-                title={t("stats.versionCopy")}
-              >
-                {timestamp}
-                <br />
-                {hash}
-              </td>
-            </tr>
+            {props.renderCustomStats?.(props.elements, props.appState)}
           </tbody>
         </table>
       </Island>