fix: wrong link to blog

Not needed.

.env.development

@@ -8,7 +8,7 @@ VITE_APP_LIBRARY_BACKEND=https://us-central1-excalidraw-room-persistence.cloudfu
 VITE_APP_WS_SERVER_URL=http://localhost:3002
 
 VITE_APP_PLUS_LP=https://plus.excalidraw.com
-VITE_APP_PLUS_APP=https://app.excalidraw.com
+VITE_APP_PLUS_APP=http://localhost:3000
 
 VITE_APP_AI_BACKEND=http://localhost:3015
 
@@ -37,3 +37,14 @@ VITE_APP_COLLAPSE_OVERLAY=true
 
 # Set this flag to false to disable eslint
 VITE_APP_ENABLE_ESLINT=true
+
+# Enable PWA in dev server
+VITE_APP_ENABLE_PWA=false
+
+VITE_APP_PLUS_EXPORT_PUBLIC_KEY='MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm2g5T+Rub6Kbf1Mf57t0
+7r2zeHuVg4dla3r5ryXMswtzz6x767octl6oLThn33mQsPSy3GKglFZoCTXJR4ij
+ba8SxB04sL/N8eRrKja7TFWjCVtRwTTfyy771NYYNFVJclkxHyE5qw4m27crHF1y
+UNWEjuqNMi/lwAErS9fFa2oJlWyT8U7zzv/5kQREkxZI6y9v0AF3qcbsy2731FnD
+s9ChJvOUW9toIab2gsIdrKW8ZNpu084ZFVKb6LNjvIXI1Se4oMTHeszXzNptzlot
+kdxxjOoaQMAyfljFSot1F1FlU6MQlag7UnFGvFjRHN1JI5q4K+n3a67DX+TMyRqS
+HQIDAQAB'

.env.production

@@ -15,3 +15,18 @@ VITE_APP_WS_SERVER_URL=https://oss-collab.excalidraw.com
 VITE_APP_FIREBASE_CONFIG='{"apiKey":"AIzaSyAd15pYlMci_xIp9ko6wkEsDzAAA0Dn0RU","authDomain":"excalidraw-room-persistence.firebaseapp.com","databaseURL":"https://excalidraw-room-persistence.firebaseio.com","projectId":"excalidraw-room-persistence","storageBucket":"excalidraw-room-persistence.appspot.com","messagingSenderId":"654800341332","appId":"1:654800341332:web:4a692de832b55bd57ce0c1"}'
 
 VITE_APP_ENABLE_TRACKING=false
+
+VITE_APP_PLUS_EXPORT_PUBLIC_KEY='MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApQ0jM9Qz8TdFLzcuAZZX
+/WvuKSOJxiw6AR/ZcE3eFQWM/mbFdhQgyK8eHGkKQifKzH1xUZjCxyXcxW6ZO02t
+kPOPxhz+nxUrIoWCD/V4NGmUA1lxwHuO21HN1gzKrN3xHg5EGjyouR9vibT9VDGF
+gq6+4Ic/kJX+AD2MM7Yre2+FsOdysrmuW2Fu3ahuC1uQE7pOe1j0k7auNP0y1q53
+PrB8Ts2LUpepWC1l7zIXFm4ViDULuyWXTEpUcHSsEH8vpd1tckjypxCwkipfZsXx
+iPszy0o0Dx2iArPfWMXlFAI9mvyFCyFC3+nSvfyAUb2C4uZgCwAuyFh/ydPF4DEE
+PQIDAQAB'
+
+# Set the below flags explicitly to false in production mode since vite loads and merges .env.local vars when  running the build command
+VITE_APP_DEBUG_ENABLE_TEXT_CONTAINER_BOUNDING_BOX=false
+VITE_APP_COLLAPSE_OVERLAY=false
+# Enable eslint in dev server
+VITE_APP_ENABLE_ESLINT=false
+

.github/workflows/locales-coverage.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.PUSH_TRANSLATIONS_COVERAGE_PAT }}
 

.github/workflows/semantic-pr-title.yml

@@ -11,6 +11,6 @@ jobs:
   semantic:
     runs-on: ubuntu-latest
     steps:
-      - uses: amannn/action-semantic-pull-request@v3.0.0
+      - uses: amannn/action-semantic-pull-request@v5
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -7,7 +7,7 @@
 
 <h4 align="center">
   <a href="https://excalidraw.com">Excalidraw Editor</a> |
-  <a href="https://blog.excalidraw.com">Blog</a> |
+  <a href="https://plus.excalidraw.com/blog">Blog</a> |
   <a href="https://docs.excalidraw.com">Documentation</a> |
   <a href="https://plus.excalidraw.com">Excalidraw+</a>
 </h4>

dev-docs/docusaurus.config.js

@@ -66,7 +66,7 @@ const config = {
             label: "Docs",
           },
           {
-            to: "https://blog.excalidraw.com",
+            to: "https://plus.excalidraw.com/blog",
             label: "Blog",
             position: "left",
           },
@@ -111,7 +111,7 @@ const config = {
             items: [
               {
                 label: "Blog",
-                to: "https://blog.excalidraw.com",
+                to: "https://plus.excalidraw.com/blog",
               },
               {
                 label: "GitHub",

excalidraw-app/App.tsx

@@ -126,6 +126,7 @@ import DebugCanvas, {
   loadSavedDebugState,
 } from "./components/DebugCanvas";
 import { AIComponents } from "./components/AI";
+import { ExcalidrawPlusIframeExport } from "./ExcalidrawPlusIframeExport";
 
 polyfill();
 
@@ -1125,6 +1126,12 @@ const ExcalidrawWrapper = () => {
 };
 
 const ExcalidrawApp = () => {
+  const isCloudExportWindow =
+    window.location.pathname === "/excalidraw-plus-export";
+  if (isCloudExportWindow) {
+    return <ExcalidrawPlusIframeExport />;
+  }
+
   return (
     <TopErrorBoundary>
       <Provider unstable_createStore={() => appJotaiStore}>

excalidraw-app/ExcalidrawPlusIframeExport.tsx

@@ -0,0 +1,222 @@
+import { useLayoutEffect, useRef } from "react";
+import { STORAGE_KEYS } from "./app_constants";
+import { LocalData } from "./data/LocalData";
+import type {
+  FileId,
+  OrderedExcalidrawElement,
+} from "../packages/excalidraw/element/types";
+import type { AppState, BinaryFileData } from "../packages/excalidraw/types";
+import { ExcalidrawError } from "../packages/excalidraw/errors";
+import { base64urlToString } from "../packages/excalidraw/data/encode";
+
+const EVENT_REQUEST_SCENE = "REQUEST_SCENE";
+
+const EXCALIDRAW_PLUS_ORIGIN = import.meta.env.VITE_APP_PLUS_APP;
+
+// -----------------------------------------------------------------------------
+// outgoing message
+// -----------------------------------------------------------------------------
+type MESSAGE_REQUEST_SCENE = {
+  type: "REQUEST_SCENE";
+  jwt: string;
+};
+
+type MESSAGE_FROM_PLUS = MESSAGE_REQUEST_SCENE;
+
+// incoming messages
+// -----------------------------------------------------------------------------
+type MESSAGE_READY = { type: "READY" };
+type MESSAGE_ERROR = { type: "ERROR"; message: string };
+type MESSAGE_SCENE_DATA = {
+  type: "SCENE_DATA";
+  elements: OrderedExcalidrawElement[];
+  appState: Pick<AppState, "viewBackgroundColor">;
+  files: { loadedFiles: BinaryFileData[]; erroredFiles: Map<FileId, true> };
+};
+
+type MESSAGE_FROM_EDITOR = MESSAGE_ERROR | MESSAGE_SCENE_DATA | MESSAGE_READY;
+// -----------------------------------------------------------------------------
+
+const parseSceneData = async ({
+  rawElementsString,
+  rawAppStateString,
+}: {
+  rawElementsString: string | null;
+  rawAppStateString: string | null;
+}): Promise<MESSAGE_SCENE_DATA> => {
+  if (!rawElementsString || !rawAppStateString) {
+    throw new ExcalidrawError("Elements or appstate is missing.");
+  }
+
+  try {
+    const elements = JSON.parse(
+      rawElementsString,
+    ) as OrderedExcalidrawElement[];
+
+    if (!elements.length) {
+      throw new ExcalidrawError("Scene is empty, nothing to export.");
+    }
+
+    const appState = JSON.parse(rawAppStateString) as Pick<
+      AppState,
+      "viewBackgroundColor"
+    >;
+
+    const fileIds = elements.reduce((acc, el) => {
+      if ("fileId" in el && el.fileId) {
+        acc.push(el.fileId);
+      }
+      return acc;
+    }, [] as FileId[]);
+
+    const files = await LocalData.fileStorage.getFiles(fileIds);
+
+    return {
+      type: "SCENE_DATA",
+      elements,
+      appState,
+      files,
+    };
+  } catch (error: any) {
+    throw error instanceof ExcalidrawError
+      ? error
+      : new ExcalidrawError("Failed to parse scene data.");
+  }
+};
+
+const verifyJWT = async ({
+  token,
+  publicKey,
+}: {
+  token: string;
+  publicKey: string;
+}) => {
+  try {
+    if (!publicKey) {
+      throw new ExcalidrawError("Public key is undefined");
+    }
+
+    const [header, payload, signature] = token.split(".");
+
+    if (!header || !payload || !signature) {
+      throw new ExcalidrawError("Invalid JWT format");
+    }
+
+    // JWT is using Base64URL encoding
+    const decodedPayload = base64urlToString(payload);
+    const decodedSignature = base64urlToString(signature);
+
+    const data = `${header}.${payload}`;
+    const signatureArrayBuffer = Uint8Array.from(decodedSignature, (c) =>
+      c.charCodeAt(0),
+    );
+
+    const keyData = publicKey.replace(/-----\w+ PUBLIC KEY-----/g, "");
+    const keyArrayBuffer = Uint8Array.from(atob(keyData), (c) =>
+      c.charCodeAt(0),
+    );
+
+    const key = await crypto.subtle.importKey(
+      "spki",
+      keyArrayBuffer,
+      { name: "RSASSA-PKCS1-v1_5", hash: "SHA-256" },
+      true,
+      ["verify"],
+    );
+
+    const isValid = await crypto.subtle.verify(
+      "RSASSA-PKCS1-v1_5",
+      key,
+      signatureArrayBuffer,
+      new TextEncoder().encode(data),
+    );
+
+    if (!isValid) {
+      throw new Error("Invalid JWT");
+    }
+
+    const parsedPayload = JSON.parse(decodedPayload);
+
+    // Check for expiration
+    const currentTime = Math.floor(Date.now() / 1000);
+    if (parsedPayload.exp && parsedPayload.exp < currentTime) {
+      throw new Error("JWT has expired");
+    }
+  } catch (error) {
+    console.error("Failed to verify JWT:", error);
+    throw new Error(error instanceof Error ? error.message : "Invalid JWT");
+  }
+};
+
+export const ExcalidrawPlusIframeExport = () => {
+  const readyRef = useRef(false);
+
+  useLayoutEffect(() => {
+    const handleMessage = async (event: MessageEvent<MESSAGE_FROM_PLUS>) => {
+      if (event.origin !== EXCALIDRAW_PLUS_ORIGIN) {
+        throw new ExcalidrawError("Invalid origin");
+      }
+
+      if (event.data.type === EVENT_REQUEST_SCENE) {
+        if (!event.data.jwt) {
+          throw new ExcalidrawError("JWT is missing");
+        }
+
+        try {
+          try {
+            await verifyJWT({
+              token: event.data.jwt,
+              publicKey: import.meta.env.VITE_APP_PLUS_EXPORT_PUBLIC_KEY,
+            });
+          } catch (error: any) {
+            console.error(`Failed to verify JWT: ${error.message}`);
+            throw new ExcalidrawError("Failed to verify JWT");
+          }
+
+          const parsedSceneData: MESSAGE_SCENE_DATA = await parseSceneData({
+            rawAppStateString: localStorage.getItem(
+              STORAGE_KEYS.LOCAL_STORAGE_APP_STATE,
+            ),
+            rawElementsString: localStorage.getItem(
+              STORAGE_KEYS.LOCAL_STORAGE_ELEMENTS,
+            ),
+          });
+
+          event.source!.postMessage(parsedSceneData, {
+            targetOrigin: EXCALIDRAW_PLUS_ORIGIN,
+          });
+        } catch (error) {
+          const responseData: MESSAGE_ERROR = {
+            type: "ERROR",
+            message:
+              error instanceof ExcalidrawError
+                ? error.message
+                : "Failed to export scene data",
+          };
+          event.source!.postMessage(responseData, {
+            targetOrigin: EXCALIDRAW_PLUS_ORIGIN,
+          });
+        }
+      }
+    };
+
+    window.addEventListener("message", handleMessage);
+
+    // so we don't send twice in StrictMode
+    if (!readyRef.current) {
+      readyRef.current = true;
+      const message: MESSAGE_FROM_EDITOR = { type: "READY" };
+      window.parent.postMessage(message, EXCALIDRAW_PLUS_ORIGIN);
+    }
+
+    return () => {
+      window.removeEventListener("message", handleMessage);
+    };
+  }, []);
+
+  // Since this component is expected to run in a hidden iframe on Excaildraw+,
+  // it doesn't need to render anything. All the data we need is available in
+  // LocalStorage and IndexedDB. It only needs to handle the messaging between
+  // the parent window and the iframe with the relevant data.
+  return null;
+};

excalidraw-app/collab/Collab.tsx

@@ -1,6 +1,7 @@
 import throttle from "lodash.throttle";
 import { PureComponent } from "react";
 import type {
+  BinaryFileData,
   ExcalidrawImperativeAPI,
   SocketId,
 } from "../../packages/excalidraw/types";
@@ -9,6 +10,7 @@ import { APP_NAME, ENV, EVENT } from "../../packages/excalidraw/constants";
 import type { ImportedDataState } from "../../packages/excalidraw/data/types";
 import type {
   ExcalidrawElement,
+  FileId,
   InitializedExcalidrawImageElement,
   OrderedExcalidrawElement,
 } from "../../packages/excalidraw/element/types";
@@ -157,7 +159,7 @@ class Collab extends PureComponent<CollabProps, CollabState> {
           throw new AbortError();
         }
 
-        return saveFilesToFirebase({
+        const { savedFiles, erroredFiles } = await saveFilesToFirebase({
           prefix: `${FIREBASE_STORAGE_PREFIXES.collabFiles}/${roomId}`,
           files: await encodeFilesForUpload({
             files: addedFiles,
@@ -165,6 +167,29 @@ class Collab extends PureComponent<CollabProps, CollabState> {
             maxBytes: FILE_UPLOAD_MAX_BYTES,
           }),
         });
+
+        return {
+          savedFiles: savedFiles.reduce(
+            (acc: Map<FileId, BinaryFileData>, id) => {
+              const fileData = addedFiles.get(id);
+              if (fileData) {
+                acc.set(id, fileData);
+              }
+              return acc;
+            },
+            new Map(),
+          ),
+          erroredFiles: erroredFiles.reduce(
+            (acc: Map<FileId, BinaryFileData>, id) => {
+              const fileData = addedFiles.get(id);
+              if (fileData) {
+                acc.set(id, fileData);
+              }
+              return acc;
+            },
+            new Map(),
+          ),
+        };
       },
     });
     this.excalidrawAPI = props.excalidrawAPI;
@@ -394,7 +419,7 @@ class Collab extends PureComponent<CollabProps, CollabState> {
       .filter((element) => {
         return (
           isInitializedImageElement(element) &&
-          !this.fileManager.isFileHandled(element.fileId) &&
+          !this.fileManager.isFileTracked(element.fileId) &&
           !element.isDeleted &&
           (opts.forceFetchFiles
             ? element.status !== "pending" ||

excalidraw-app/components/EncryptedIcon.tsx

@@ -8,7 +8,7 @@ export const EncryptedIcon = () => {
   return (
     <a
       className="encrypted-icon tooltip"
-      href="https://blog.excalidraw.com/end-to-end-encryption/"
+      href="https://plus.excalidraw.com/blog/end-to-end-encryption/"
       target="_blank"
       rel="noopener noreferrer"
       aria-label={t("encrypted.link")}

excalidraw-app/data/FileManager.ts

@@ -16,14 +16,26 @@ import type {
   BinaryFiles,
 } from "../../packages/excalidraw/types";
 
+type FileVersion = Required<BinaryFileData>["version"];
+
 export class FileManager {
   /** files being fetched */
   private fetchingFiles = new Map<ExcalidrawImageElement["fileId"], true>();
+  private erroredFiles_fetch = new Map<
+    ExcalidrawImageElement["fileId"],
+    true
+  >();
   /** files being saved */
-  private savingFiles = new Map<ExcalidrawImageElement["fileId"], true>();
+  private savingFiles = new Map<
+    ExcalidrawImageElement["fileId"],
+    FileVersion
+  >();
   /* files already saved to persistent storage */
-  private savedFiles = new Map<ExcalidrawImageElement["fileId"], true>();
-  private erroredFiles = new Map<ExcalidrawImageElement["fileId"], true>();
+  private savedFiles = new Map<ExcalidrawImageElement["fileId"], FileVersion>();
+  private erroredFiles_save = new Map<
+    ExcalidrawImageElement["fileId"],
+    FileVersion
+  >();
 
   private _getFiles;
   private _saveFiles;
@@ -37,8 +49,8 @@ export class FileManager {
       erroredFiles: Map<FileId, true>;
     }>;
     saveFiles: (data: { addedFiles: Map<FileId, BinaryFileData> }) => Promise<{
-      savedFiles: Map<FileId, true>;
-      erroredFiles: Map<FileId, true>;
+      savedFiles: Map<FileId, BinaryFileData>;
+      erroredFiles: Map<FileId, BinaryFileData>;
     }>;
   }) {
     this._getFiles = getFiles;
@@ -46,19 +58,28 @@ export class FileManager {
   }
 
   /**
-   * returns whether file is already saved or being processed
+   * returns whether file is saved/errored, or being processed
    */
-  isFileHandled = (id: FileId) => {
+  isFileTracked = (id: FileId) => {
     return (
       this.savedFiles.has(id) ||
-      this.fetchingFiles.has(id) ||
       this.savingFiles.has(id) ||
-      this.erroredFiles.has(id)
+      this.fetchingFiles.has(id) ||
+      this.erroredFiles_fetch.has(id) ||
+      this.erroredFiles_save.has(id)
     );
   };
 
-  isFileSaved = (id: FileId) => {
-    return this.savedFiles.has(id);
+  isFileSavedOrBeingSaved = (file: BinaryFileData) => {
+    const fileVersion = this.getFileVersion(file);
+    return (
+      this.savedFiles.get(file.id) === fileVersion ||
+      this.savingFiles.get(file.id) === fileVersion
+    );
+  };
+
+  getFileVersion = (file: BinaryFileData) => {
+    return file.version ?? 1;
   };
 
   saveFiles = async ({
@@ -71,13 +92,16 @@ export class FileManager {
     const addedFiles: Map<FileId, BinaryFileData> = new Map();
 
     for (const element of elements) {
+      const fileData =
+        isInitializedImageElement(element) && files[element.fileId];
+
       if (
-        isInitializedImageElement(element) &&
-        files[element.fileId] &&
-        !this.isFileHandled(element.fileId)
+        fileData &&
+        // NOTE if errored during save, won't retry due to this check
+        !this.isFileSavedOrBeingSaved(fileData)
       ) {
         addedFiles.set(element.fileId, files[element.fileId]);
-        this.savingFiles.set(element.fileId, true);
+        this.savingFiles.set(element.fileId, this.getFileVersion(fileData));
       }
     }
 
@@ -86,8 +110,12 @@ export class FileManager {
         addedFiles,
       });
 
-      for (const [fileId] of savedFiles) {
-        this.savedFiles.set(fileId, true);
+      for (const [fileId, fileData] of savedFiles) {
+        this.savedFiles.set(fileId, this.getFileVersion(fileData));
+      }
+
+      for (const [fileId, fileData] of erroredFiles) {
+        this.erroredFiles_save.set(fileId, this.getFileVersion(fileData));
       }
 
       return {
@@ -121,10 +149,10 @@ export class FileManager {
       const { loadedFiles, erroredFiles } = await this._getFiles(ids);
 
       for (const file of loadedFiles) {
-        this.savedFiles.set(file.id, true);
+        this.savedFiles.set(file.id, this.getFileVersion(file));
       }
       for (const [fileId] of erroredFiles) {
-        this.erroredFiles.set(fileId, true);
+        this.erroredFiles_fetch.set(fileId, true);
       }
 
       return { loadedFiles, erroredFiles };
@@ -160,7 +188,7 @@ export class FileManager {
   ): element is InitializedExcalidrawImageElement => {
     return (
       isInitializedImageElement(element) &&
-      this.isFileSaved(element.fileId) &&
+      this.savedFiles.has(element.fileId) &&
       element.status === "pending"
     );
   };
@@ -169,7 +197,8 @@ export class FileManager {
     this.fetchingFiles.clear();
     this.savingFiles.clear();
     this.savedFiles.clear();
-    this.erroredFiles.clear();
+    this.erroredFiles_fetch.clear();
+    this.erroredFiles_save.clear();
   }
 }
 

excalidraw-app/data/LocalData.ts

@@ -183,8 +183,8 @@ export class LocalData {
       );
     },
     async saveFiles({ addedFiles }) {
-      const savedFiles = new Map<FileId, true>();
-      const erroredFiles = new Map<FileId, true>();
+      const savedFiles = new Map<FileId, BinaryFileData>();
+      const erroredFiles = new Map<FileId, BinaryFileData>();
 
       // before we use `storage` event synchronization, let's update the flag
       // optimistically. Hopefully nothing fails, and an IDB read executed
@@ -195,10 +195,10 @@ export class LocalData {
         [...addedFiles].map(async ([id, fileData]) => {
           try {
             await set(id, fileData, filesStore);
-            savedFiles.set(id, true);
+            savedFiles.set(id, fileData);
           } catch (error: any) {
             console.error(error);
-            erroredFiles.set(id, true);
+            erroredFiles.set(id, fileData);
           }
         }),
       );

excalidraw-app/data/firebase.ts

@@ -177,8 +177,8 @@ export const saveFilesToFirebase = async ({
 }) => {
   const firebase = await loadFirebaseStorage();
 
-  const erroredFiles = new Map<FileId, true>();
-  const savedFiles = new Map<FileId, true>();
+  const erroredFiles: FileId[] = [];
+  const savedFiles: FileId[] = [];
 
   await Promise.all(
     files.map(async ({ id, buffer }) => {
@@ -194,9 +194,9 @@ export const saveFilesToFirebase = async ({
               cacheControl: `public, max-age=${FILE_CACHE_MAX_AGE_SEC}`,
             },
           );
-        savedFiles.set(id, true);
+        savedFiles.push(id);
       } catch (error: any) {
-        erroredFiles.set(id, true);
+        erroredFiles.push(id);
       }
     }),
   );

excalidraw-app/index.html

@@ -54,12 +54,6 @@
       content="https://excalidraw.com/og-image-3.png"
     />
 
-    <!-- General tags -->
-    <meta
-      name="description"
-      content="Excalidraw is a virtual collaborative whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them."
-    />
-
     <!------------------------------------------------------------------------->
     <!--   to minimize white flash on load when user has dark mode enabled   -->
     <script>
@@ -124,12 +118,6 @@
     <!-- Following placeholder is replaced during the build step -->
     <!-- PLACEHOLDER:EXCALIDRAW_APP_FONTS -->
 
-    <% } else { %>
-    <script>
-      window.EXCALIDRAW_ASSET_PATH = window.origin;
-    </script>
-    <% } %>
-
     <!-- Register Assistant as the UI font, before the scene inits -->
     <link
       rel="stylesheet"
@@ -137,6 +125,12 @@
       type="text/css"
     />
 
+    <% } else { %>
+    <script>
+      window.EXCALIDRAW_ASSET_PATH = window.origin;
+    </script>
+    <% } %>
+
     <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
     <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
     <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
@@ -218,6 +212,7 @@
     </header>
     <div id="root"></div>
     <script type="module" src="index.tsx"></script>
+    <% if (typeof PROD != 'undefined' && PROD == true) { %>
     <!-- 100% privacy friendly analytics -->
     <script>
       // need to load this script dynamically bcs. of iframe embed tracking
@@ -250,5 +245,6 @@
       }
     </script>
     <!-- end LEGACY GOOGLE ANALYTICS -->
+    <% } %>
   </body>
 </html>

excalidraw-app/package.json

@@ -23,7 +23,7 @@
     ]
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": "18.0.0 - 22.x.x"
   },
   "dependencies": {
     "@excalidraw/random-username": "1.0.0",

excalidraw-app/vite-env.d.ts

@@ -29,6 +29,9 @@ interface ImportMetaEnv {
   // Enable eslint in dev server
   VITE_APP_ENABLE_ESLINT: string;
 
+  // Enable PWA in dev server
+  VITE_APP_ENABLE_PWA: string;
+
   VITE_APP_PLUS_LP: string;
 
   VITE_APP_PLUS_APP: string;

excalidraw-app/vite.config.mts

@@ -8,231 +8,234 @@ import { createHtmlPlugin } from "vite-plugin-html";
 import Sitemap from "vite-plugin-sitemap";
 import { woff2BrowserPlugin } from "../scripts/woff2/woff2-vite-plugins";
 
-// To load .env.local variables
-const envVars = loadEnv("", `../`);
-// https://vitejs.dev/config/
-export default defineConfig({
-  server: {
-    port: Number(envVars.VITE_APP_PORT || 3000),
-    // open the browser
-    open: true,
-  },
-  // We need to specify the envDir since now there are no
-  //more located in parallel with the vite.config.ts file but in parent dir
-  envDir: "../",
-  build: {
-    outDir: "build",
-    rollupOptions: {
-      output: {
-        assetFileNames(chunkInfo) {
-          if (chunkInfo?.name?.endsWith(".woff2")) {
-            const family = chunkInfo.name.split("-")[0];
-            return `fonts/${family}/[name][extname]`;
-          }
-
-          return "assets/[name]-[hash][extname]";
-        },
-        // Creating separate chunk for locales except for en and percentages.json so they
-        // can be cached at runtime and not merged with
-        // app precache. en.json and percentages.json are needed for first load
-        // or fallback hence not clubbing with locales so first load followed by offline mode works fine. This is how CRA used to work too.
-        manualChunks(id) {
-          if (
-            id.includes("packages/excalidraw/locales") &&
-            id.match(/en.json|percentages.json/) === null
-          ) {
-            const index = id.indexOf("locales/");
-            // Taking the substring after "locales/"
-            return `locales/${id.substring(index + 8)}`;
-          }
-        },
-      },
+export default defineConfig(({ mode }) => {
+  // To load .env variables
+  const envVars = loadEnv(mode, `../`);
+  // https://vitejs.dev/config/
+  return {
+    server: {
+      port: Number(envVars.VITE_APP_PORT || 3000),
+      // open the browser
+      open: true,
     },
-    sourcemap: true,
-    // don't auto-inline small assets (i.e. fonts hosted on CDN)
-    assetsInlineLimit: 0,
-  },
-  plugins: [
-    Sitemap({
-      hostname: "https://excalidraw.com",
+    // We need to specify the envDir since now there are no
+    //more located in parallel with the vite.config.ts file but in parent dir
+    envDir: "../",
+    build: {
       outDir: "build",
-      changefreq: "monthly",
-      // its static in public folder
-      generateRobotsTxt: false,
-    }),
-    woff2BrowserPlugin(),
-    react(),
-    checker({
-      typescript: true,
-      eslint:
-        envVars.VITE_APP_ENABLE_ESLINT === "false"
-          ? undefined
-          : { lintCommand: 'eslint "./**/*.{js,ts,tsx}"' },
-      overlay: {
-        initialIsOpen: envVars.VITE_APP_COLLAPSE_OVERLAY === "false",
-        badgeStyle: "margin-bottom: 4rem; margin-left: 1rem",
-      },
-    }),
-    svgrPlugin(),
-    ViteEjsPlugin(),
-    VitePWA({
-      registerType: "autoUpdate",
-      devOptions: {
-        /* set this flag to true to enable in Development mode */
-        enabled: false,
-      },
+      rollupOptions: {
+        output: {
+          assetFileNames(chunkInfo) {
+            if (chunkInfo?.name?.endsWith(".woff2")) {
+              const family = chunkInfo.name.split("-")[0];
+              return `fonts/${family}/[name][extname]`;
+            }
 
-      workbox: {
-        // don't precache fonts, locales and separate chunks
-        globIgnores: [
-          "fonts.css",
-          "**/locales/**",
-          "service-worker.js",
-          "**/*.chunk-*.js",
-        ],
-        runtimeCaching: [
-          {
-            urlPattern: new RegExp(".+.woff2"),
-            handler: "CacheFirst",
-            options: {
-              cacheName: "fonts",
-              expiration: {
-                maxEntries: 1000,
-                maxAgeSeconds: 60 * 60 * 24 * 90, // 90 days
-              },
-              cacheableResponse: {
-                // 0 to cache "opaque" responses from cross-origin requests (i.e. CDN)
-                statuses: [0, 200],
-              },
-            },
+            return "assets/[name]-[hash][extname]";
           },
-          {
-            urlPattern: new RegExp("fonts.css"),
-            handler: "StaleWhileRevalidate",
-            options: {
-              cacheName: "fonts",
-              expiration: {
-                maxEntries: 50,
-              },
-            },
-          },
-          {
-            urlPattern: new RegExp("locales/[^/]+.js"),
-            handler: "CacheFirst",
-            options: {
-              cacheName: "locales",
-              expiration: {
-                maxEntries: 50,
-                maxAgeSeconds: 60 * 60 * 24 * 30, // <== 30 days
-              },
-            },
-          },
-          {
-            urlPattern: new RegExp(".chunk-.+.js"),
-            handler: "CacheFirst",
-            options: {
-              cacheName: "chunk",
-              expiration: {
-                maxEntries: 50,
-                maxAgeSeconds: 60 * 60 * 24 * 90, // <== 90 days
-              },
-            },
-          },
-        ],
-      },
-      manifest: {
-        short_name: "Excalidraw",
-        name: "Excalidraw",
-        description:
-          "Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.",
-        icons: [
-          {
-            src: "android-chrome-192x192.png",
-            sizes: "192x192",
-            type: "image/png",
-          },
-          {
-            src: "apple-touch-icon.png",
-            type: "image/png",
-            sizes: "180x180",
-          },
-          {
-            src: "favicon-32x32.png",
-            sizes: "32x32",
-            type: "image/png",
-          },
-          {
-            src: "favicon-16x16.png",
-            sizes: "16x16",
-            type: "image/png",
-          },
-        ],
-        start_url: "/",
-        display: "standalone",
-        theme_color: "#121212",
-        background_color: "#ffffff",
-        file_handlers: [
-          {
-            action: "/",
-            accept: {
-              "application/vnd.excalidraw+json": [".excalidraw"],
-            },
-          },
-        ],
-        share_target: {
-          action: "/web-share-target",
-          method: "POST",
-          enctype: "multipart/form-data",
-          params: {
-            files: [
-              {
-                name: "file",
-                accept: [
-                  "application/vnd.excalidraw+json",
-                  "application/json",
-                  ".excalidraw",
-                ],
-              },
-            ],
+          // Creating separate chunk for locales except for en and percentages.json so they
+          // can be cached at runtime and not merged with
+          // app precache. en.json and percentages.json are needed for first load
+          // or fallback hence not clubbing with locales so first load followed by offline mode works fine. This is how CRA used to work too.
+          manualChunks(id) {
+            if (
+              id.includes("packages/excalidraw/locales") &&
+              id.match(/en.json|percentages.json/) === null
+            ) {
+              const index = id.indexOf("locales/");
+              // Taking the substring after "locales/"
+              return `locales/${id.substring(index + 8)}`;
+            }
           },
         },
-        screenshots: [
-          {
-            src: "/screenshots/virtual-whiteboard.png",
-            type: "image/png",
-            sizes: "462x945",
-          },
-          {
-            src: "/screenshots/wireframe.png",
-            type: "image/png",
-            sizes: "462x945",
-          },
-          {
-            src: "/screenshots/illustration.png",
-            type: "image/png",
-            sizes: "462x945",
-          },
-          {
-            src: "/screenshots/shapes.png",
-            type: "image/png",
-            sizes: "462x945",
-          },
-          {
-            src: "/screenshots/collaboration.png",
-            type: "image/png",
-            sizes: "462x945",
-          },
-          {
-            src: "/screenshots/export.png",
-            type: "image/png",
-            sizes: "462x945",
-          },
-        ],
       },
-    }),
-    createHtmlPlugin({
-      minify: true,
-    }),
-  ],
-  publicDir: "../public",
+      sourcemap: true,
+      // don't auto-inline small assets (i.e. fonts hosted on CDN)
+      assetsInlineLimit: 0,
+    },
+    plugins: [
+      Sitemap({
+        hostname: "https://excalidraw.com",
+        outDir: "build",
+        changefreq: "monthly",
+        // its static in public folder
+        generateRobotsTxt: false,
+      }),
+      woff2BrowserPlugin(),
+      react(),
+      checker({
+        typescript: true,
+        eslint:
+          envVars.VITE_APP_ENABLE_ESLINT === "false"
+            ? undefined
+            : { lintCommand: 'eslint "./**/*.{js,ts,tsx}"' },
+        overlay: {
+          initialIsOpen: envVars.VITE_APP_COLLAPSE_OVERLAY === "false",
+          badgeStyle: "margin-bottom: 4rem; margin-left: 1rem",
+        },
+      }),
+      svgrPlugin(),
+      ViteEjsPlugin(),
+      VitePWA({
+        registerType: "autoUpdate",
+        devOptions: {
+          /* set this flag to true to enable in Development mode */
+          enabled: envVars.VITE_APP_ENABLE_PWA === "true",
+        },
+
+        workbox: {
+          // don't precache fonts, locales and separate chunks
+          globIgnores: [
+            "fonts.css",
+            "**/locales/**",
+            "service-worker.js",
+            "**/*.chunk-*.js",
+          ],
+          runtimeCaching: [
+            {
+              urlPattern: new RegExp(".+.woff2"),
+              handler: "CacheFirst",
+              options: {
+                cacheName: "fonts",
+                expiration: {
+                  maxEntries: 1000,
+                  maxAgeSeconds: 60 * 60 * 24 * 90, // 90 days
+                },
+                cacheableResponse: {
+                  // 0 to cache "opaque" responses from cross-origin requests (i.e. CDN)
+                  statuses: [0, 200],
+                },
+              },
+            },
+            {
+              urlPattern: new RegExp("fonts.css"),
+              handler: "StaleWhileRevalidate",
+              options: {
+                cacheName: "fonts",
+                expiration: {
+                  maxEntries: 50,
+                },
+              },
+            },
+            {
+              urlPattern: new RegExp("locales/[^/]+.js"),
+              handler: "CacheFirst",
+              options: {
+                cacheName: "locales",
+                expiration: {
+                  maxEntries: 50,
+                  maxAgeSeconds: 60 * 60 * 24 * 30, // <== 30 days
+                },
+              },
+            },
+            {
+              urlPattern: new RegExp(".chunk-.+.js"),
+              handler: "CacheFirst",
+              options: {
+                cacheName: "chunk",
+                expiration: {
+                  maxEntries: 50,
+                  maxAgeSeconds: 60 * 60 * 24 * 90, // <== 90 days
+                },
+              },
+            },
+          ],
+        },
+        manifest: {
+          short_name: "Excalidraw",
+          name: "Excalidraw",
+          description:
+            "Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.",
+          icons: [
+            {
+              src: "android-chrome-192x192.png",
+              sizes: "192x192",
+              type: "image/png",
+            },
+            {
+              src: "apple-touch-icon.png",
+              type: "image/png",
+              sizes: "180x180",
+            },
+            {
+              src: "favicon-32x32.png",
+              sizes: "32x32",
+              type: "image/png",
+            },
+            {
+              src: "favicon-16x16.png",
+              sizes: "16x16",
+              type: "image/png",
+            },
+          ],
+          start_url: "/",
+          id:"excalidraw",
+          display: "standalone",
+          theme_color: "#121212",
+          background_color: "#ffffff",
+          file_handlers: [
+            {
+              action: "/",
+              accept: {
+                "application/vnd.excalidraw+json": [".excalidraw"],
+              },
+            },
+          ],
+          share_target: {
+            action: "/web-share-target",
+            method: "POST",
+            enctype: "multipart/form-data",
+            params: {
+              files: [
+                {
+                  name: "file",
+                  accept: [
+                    "application/vnd.excalidraw+json",
+                    "application/json",
+                    ".excalidraw",
+                  ],
+                },
+              ],
+            },
+          },
+          screenshots: [
+            {
+              src: "/screenshots/virtual-whiteboard.png",
+              type: "image/png",
+              sizes: "462x945",
+            },
+            {
+              src: "/screenshots/wireframe.png",
+              type: "image/png",
+              sizes: "462x945",
+            },
+            {
+              src: "/screenshots/illustration.png",
+              type: "image/png",
+              sizes: "462x945",
+            },
+            {
+              src: "/screenshots/shapes.png",
+              type: "image/png",
+              sizes: "462x945",
+            },
+            {
+              src: "/screenshots/collaboration.png",
+              type: "image/png",
+              sizes: "462x945",
+            },
+            {
+              src: "/screenshots/export.png",
+              type: "image/png",
+              sizes: "462x945",
+            },
+          ],
+        },
+      }),
+      createHtmlPlugin({
+        minify: true,
+      }),
+    ],
+    publicDir: "../public",
+  };
 });

package.json

@@ -45,7 +45,7 @@
     "vitest-canvas-mock": "0.3.3"
   },
   "engines": {
-    "node": "18.0.0 - 20.x.x"
+    "node": "18.0.0 - 22.x.x"
   },
   "homepage": ".",
   "prettier": "@excalidraw/prettier-config",
@@ -55,15 +55,9 @@
     "build:app": "yarn --cwd ./excalidraw-app build:app",
     "build:version": "yarn --cwd ./excalidraw-app build:version",
     "build": "yarn --cwd ./excalidraw-app build",
-    "fix:code": "yarn test:code --fix",
-    "fix:other": "yarn prettier --write",
-    "fix": "yarn fix:other && yarn fix:code",
-    "locales-coverage": "node scripts/build-locales-coverage.js",
-    "locales-coverage:description": "node scripts/locales-coverage-description.js",
-    "prepare": "husky install",
-    "prettier": "prettier \"**/*.{css,scss,json,md,html,yml}\" --ignore-path=.eslintignore",
+    "build:preview": "yarn --cwd ./excalidraw-app build:preview",
     "start": "yarn --cwd ./excalidraw-app start",
-    "start:app:production": "npm run build && npx http-server build -a localhost -p 5001 -o",
+    "start:production": "yarn --cwd ./excalidraw-app start:production",
     "test:all": "yarn test:typecheck && yarn test:code && yarn test:other && yarn test:app --watch=false",
     "test:app": "vitest",
     "test:code": "eslint --max-warnings=0 --ext .js,.ts,.tsx .",
@@ -74,9 +68,15 @@
     "test:coverage": "vitest --coverage",
     "test:coverage:watch": "vitest --coverage --watch",
     "test:ui": "yarn test --ui --coverage.enabled=true",
+    "fix:code": "yarn test:code --fix",
+    "fix:other": "yarn prettier --write",
+    "fix": "yarn fix:other && yarn fix:code",
+    "locales-coverage": "node scripts/build-locales-coverage.js",
+    "locales-coverage:description": "node scripts/locales-coverage-description.js",
+    "prepare": "husky install",
+    "prettier": "prettier \"**/*.{css,scss,json,md,html,yml}\" --ignore-path=.eslintignore",
     "autorelease": "node scripts/autorelease.js",
     "prerelease:excalidraw": "node scripts/prerelease.js",
-    "build:preview": "yarn build && vite preview --port 5000",
     "release:excalidraw": "node scripts/release.js",
     "rm:build": "rm -rf excalidraw-app/{build,dist,dev-dist} && rm -rf packages/*/{dist,build} && rm -rf examples/*/*/{build,dist}",
     "rm:node_modules": "rm -rf node_modules && rm -rf excalidraw-app/node_modules && rm -rf packages/*/node_modules",

packages/excalidraw/components/App.tsx

@@ -49,7 +49,7 @@ import {
 } from "../appState";
 import type { PastedMixedContent } from "../clipboard";
 import { copyTextToSystemClipboard, parseClipboard } from "../clipboard";
-import { ARROW_TYPE, type EXPORT_IMAGE_TYPES } from "../constants";
+import { ARROW_TYPE, isSafari, type EXPORT_IMAGE_TYPES } from "../constants";
 import {
   APP_NAME,
   CURSOR_TYPE,
@@ -304,8 +304,10 @@ import { Toast } from "./Toast";
 import { actionToggleViewMode } from "../actions/actionToggleViewMode";
 import {
   dataURLToFile,
+  dataURLToString,
   generateIdFromFile,
   getDataURL,
+  getDataURL_sync,
   getFileFromEvent,
   ImageURLToFile,
   isImageFileHandle,
@@ -338,7 +340,6 @@ import {
   isValidTextContainer,
   measureText,
   normalizeText,
-  wrapText,
 } from "../element/textElement";
 import {
   showHyperlinkTooltip,
@@ -459,6 +460,7 @@ import {
   vectorNormalize,
 } from "../../math";
 import { cropElement } from "../element/cropElement";
+import { wrapText } from "../element/textWrapping";
 
 const AppContext = React.createContext<AppClassProperties>(null!);
 const AppPropsContext = React.createContext<AppProps>(null!);
@@ -2122,9 +2124,7 @@ class App extends React.Component<AppProps, AppState> {
     }
 
     if (actionResult.files) {
-      this.files = actionResult.replaceFiles
-        ? actionResult.files
-        : { ...this.files, ...actionResult.files };
+      this.addMissingFiles(actionResult.files, actionResult.replaceFiles);
       this.addNewImagesToImageCache();
     }
 
@@ -2320,11 +2320,11 @@ class App extends React.Component<AppProps, AppState> {
     // clear the shape and image cache so that any images in initialData
     // can be loaded fresh
     this.clearImageShapeCache();
-    // FontFaceSet loadingdone event we listen on may not always
-    // fire (looking at you Safari), so on init we manually load all
-    // fonts and rerender scene text elements once done. This also
-    // seems faster even in browsers that do fire the loadingdone event.
-    this.fonts.loadSceneFonts();
+
+    // manually loading the font faces seems faster even in browsers that do fire the loadingdone event
+    this.fonts.loadSceneFonts().then((fontFaces) => {
+      this.fonts.onLoaded(fontFaces);
+    });
   };
 
   private isMobileBreakpoint = (width: number, height: number) => {
@@ -2557,19 +2557,27 @@ class App extends React.Component<AppProps, AppState> {
         { passive: false },
       ),
       addEventListener(window, EVENT.MESSAGE, this.onWindowMessage, false),
-      addEventListener(document, EVENT.POINTER_UP, this.removePointer), // #3553
-      addEventListener(document, EVENT.COPY, this.onCopy),
+      addEventListener(document, EVENT.POINTER_UP, this.removePointer, {
+        passive: false,
+      }), // #3553
+      addEventListener(document, EVENT.COPY, this.onCopy, { passive: false }),
       addEventListener(document, EVENT.KEYUP, this.onKeyUp, { passive: true }),
       addEventListener(
         document,
         EVENT.POINTER_MOVE,
         this.updateCurrentCursorPosition,
+        { passive: false },
       ),
       // rerender text elements on font load to fix #637 && #1553
-      addEventListener(document.fonts, "loadingdone", (event) => {
-        const loadedFontFaces = (event as FontFaceSetLoadEvent).fontfaces;
-        this.fonts.onLoaded(loadedFontFaces);
-      }),
+      addEventListener(
+        document.fonts,
+        "loadingdone",
+        (event) => {
+          const fontFaces = (event as FontFaceSetLoadEvent).fontfaces;
+          this.fonts.onLoaded(fontFaces);
+        },
+        { passive: false },
+      ),
       // Safari-only desktop pinch zoom
       addEventListener(
         document,
@@ -2589,12 +2597,17 @@ class App extends React.Component<AppProps, AppState> {
         this.onGestureEnd as any,
         false,
       ),
-      addEventListener(window, EVENT.FOCUS, () => {
-        this.maybeCleanupAfterMissingPointerUp(null);
-        // browsers (chrome?) tend to free up memory a lot, which results
-        // in canvas context being cleared. Thus re-render on focus.
-        this.triggerRender(true);
-      }),
+      addEventListener(
+        window,
+        EVENT.FOCUS,
+        () => {
+          this.maybeCleanupAfterMissingPointerUp(null);
+          // browsers (chrome?) tend to free up memory a lot, which results
+          // in canvas context being cleared. Thus re-render on focus.
+          this.triggerRender(true);
+        },
+        { passive: false },
+      ),
     );
 
     if (this.state.viewModeEnabled) {
@@ -2610,9 +2623,12 @@ class App extends React.Component<AppProps, AppState> {
         document,
         EVENT.FULLSCREENCHANGE,
         this.onFullscreenChange,
+        { passive: false },
       ),
-      addEventListener(document, EVENT.PASTE, this.pasteFromClipboard),
-      addEventListener(document, EVENT.CUT, this.onCut),
+      addEventListener(document, EVENT.PASTE, this.pasteFromClipboard, {
+        passive: false,
+      }),
+      addEventListener(document, EVENT.CUT, this.onCut, { passive: false }),
       addEventListener(window, EVENT.RESIZE, this.onResize, false),
       addEventListener(window, EVENT.UNLOAD, this.onUnload, false),
       addEventListener(window, EVENT.BLUR, this.onBlur, false),
@@ -2620,6 +2636,7 @@ class App extends React.Component<AppProps, AppState> {
         this.excalidrawContainerRef.current,
         EVENT.WHEEL,
         this.handleWheel,
+        { passive: false },
       ),
       addEventListener(
         this.excalidrawContainerRef.current,
@@ -2641,6 +2658,7 @@ class App extends React.Component<AppProps, AppState> {
           getNearestScrollableContainer(this.excalidrawContainerRef.current!),
           EVENT.SCROLL,
           this.onScroll,
+          { passive: false },
         ),
       );
     }
@@ -3236,8 +3254,15 @@ class App extends React.Component<AppProps, AppState> {
       }
     });
 
+    // paste event may not fire FontFace loadingdone event in Safari, hence loading font faces manually
+    if (isSafari) {
+      Fonts.loadElementsFonts(newElements).then((fontFaces) => {
+        this.fonts.onLoaded(fontFaces);
+      });
+    }
+
     if (opts.files) {
-      this.files = { ...this.files, ...opts.files };
+      this.addMissingFiles(opts.files);
     }
 
     this.store.shouldCaptureIncrement();
@@ -3746,23 +3771,56 @@ class App extends React.Component<AppProps, AppState> {
     }
   };
 
-  /** adds supplied files to existing files in the appState */
+  /**
+   * adds supplied files to existing files in the appState.
+   * NOTE if file already exists in editor state, the file data is not updated
+   * */
   public addFiles: ExcalidrawImperativeAPI["addFiles"] = withBatchedUpdates(
     (files) => {
-      const filesMap = files.reduce((acc, fileData) => {
-        acc.set(fileData.id, fileData);
-        return acc;
-      }, new Map<FileId, BinaryFileData>());
+      const { addedFiles } = this.addMissingFiles(files);
 
-      this.files = { ...this.files, ...Object.fromEntries(filesMap) };
-
-      this.clearImageShapeCache(Object.fromEntries(filesMap));
+      this.clearImageShapeCache(addedFiles);
       this.scene.triggerUpdate();
 
       this.addNewImagesToImageCache();
     },
   );
 
+  private addMissingFiles = (
+    files: BinaryFiles | BinaryFileData[],
+    replace = false,
+  ) => {
+    const nextFiles = replace ? {} : { ...this.files };
+    const addedFiles: BinaryFiles = {};
+
+    const _files = Array.isArray(files) ? files : Object.values(files);
+
+    for (const fileData of _files) {
+      if (nextFiles[fileData.id]) {
+        continue;
+      }
+
+      addedFiles[fileData.id] = fileData;
+      nextFiles[fileData.id] = fileData;
+
+      if (fileData.mimeType === MIME_TYPES.svg) {
+        const restoredDataURL = getDataURL_sync(
+          normalizeSVG(dataURLToString(fileData.dataURL)),
+          MIME_TYPES.svg,
+        );
+        if (fileData.dataURL !== restoredDataURL) {
+          // bump version so persistence layer can update the store
+          fileData.version = (fileData.version ?? 1) + 1;
+          fileData.dataURL = restoredDataURL;
+        }
+      }
+    }
+
+    this.files = nextFiles;
+
+    return { addedFiles };
+  };
+
   public updateScene = withBatchedUpdates(
     <K extends keyof AppState>(sceneData: {
       elements?: SceneData["elements"];
@@ -7882,10 +7940,14 @@ class App extends React.Component<AppProps, AppState> {
           isFrameLikeElement(e),
         );
         const topLayerFrame = this.getTopLayerFrameAtSceneCoords(pointerCoords);
-        this.setState({
-          frameToHighlight:
-            topLayerFrame && !selectedElementsHasAFrame ? topLayerFrame : null,
-        });
+        const frameToHighlight =
+          topLayerFrame && !selectedElementsHasAFrame ? topLayerFrame : null;
+        // Only update the state if there is a difference
+        if (this.state.frameToHighlight !== frameToHighlight) {
+          flushSync(() => {
+            this.setState({ frameToHighlight });
+          });
+        }
 
         // Marking that click was used for dragging to check
         // if elements should be deselected on pointerup
@@ -8032,7 +8094,9 @@ class App extends React.Component<AppProps, AppState> {
             this.scene.getNonDeletedElementsMap(),
           );
 
-          this.setState({ snapLines });
+          flushSync(() => {
+            this.setState({ snapLines });
+          });
 
           // when we're editing the name of a frame, we want the user to be
           // able to select and interact with the text input
@@ -9285,7 +9349,7 @@ class App extends React.Component<AppProps, AppState> {
     if (mimeType === MIME_TYPES.svg) {
       try {
         imageFile = SVGStringToFile(
-          await normalizeSVG(await imageFile.text()),
+          normalizeSVG(await imageFile.text()),
           imageFile.name,
         );
       } catch (error: any) {
@@ -9353,16 +9417,15 @@ class App extends React.Component<AppProps, AppState> {
     return new Promise<NonDeleted<InitializedExcalidrawImageElement>>(
       async (resolve, reject) => {
         try {
-          this.files = {
-            ...this.files,
-            [fileId]: {
+          this.addMissingFiles([
+            {
               mimeType,
               id: fileId,
               dataURL,
               created: Date.now(),
               lastRetrieved: Date.now(),
             },
-          };
+          ]);
           const cachedImageData = this.imageCache.get(fileId);
           if (!cachedImageData) {
             this.addNewImagesToImageCache();
@@ -9767,6 +9830,7 @@ class App extends React.Component<AppProps, AppState> {
       this.interactiveCanvas.addEventListener(
         EVENT.TOUCH_START,
         this.onTouchStart,
+        { passive: false },
       );
       this.interactiveCanvas.addEventListener(EVENT.TOUCH_END, this.onTouchEnd);
       // -----------------------------------------------------------------------
@@ -10198,7 +10262,7 @@ class App extends React.Component<AppProps, AppState> {
           croppingElement,
           this.scene.getNonDeletedElementsMap(),
           {
-            oldSize: {
+            newSize: {
               width: croppingElement.width,
               height: croppingElement.height,
             },

packages/excalidraw/components/HelpDialog.tsx

@@ -22,7 +22,7 @@ const Header = () => (
     </a>
     <a
       className="HelpDialog__btn"
-      href="https://blog.excalidraw.com"
+      href="https://plus.excalidraw.com/blog"
       target="_blank"
       rel="noopener noreferrer"
     >

packages/excalidraw/components/SearchMenu.tsx

@@ -294,6 +294,7 @@ export const SearchMenu = () => {
     // as well as to handle events before App ones
     return addEventListener(window, EVENT.KEYDOWN, eventHandler, {
       capture: true,
+      passive: false,
     });
   }, [setAppState, stableState, app]);
 

packages/excalidraw/components/Stats/MultiDimension.tsx

@@ -69,7 +69,6 @@ const resizeElementInGroup = (
   originalElementsMap: ElementsMap,
 ) => {
   const updates = getResizedUpdates(anchorX, anchorY, scale, origElement);
-  const { width: oldWidth, height: oldHeight } = latestElement;
 
   mutateElement(latestElement, updates, false);
   const boundTextElement = getBoundTextElement(
@@ -79,7 +78,7 @@ const resizeElementInGroup = (
   if (boundTextElement) {
     const newFontSize = boundTextElement.fontSize * scale;
     updateBoundElements(latestElement, elementsMap, {
-      oldSize: { width: oldWidth, height: oldHeight },
+      newSize: { width: updates.width, height: updates.height },
     });
     const latestBoundTextElement = elementsMap.get(boundTextElement.id);
     if (latestBoundTextElement && isTextElement(latestBoundTextElement)) {

packages/excalidraw/components/Stats/utils.ts

@@ -151,8 +151,6 @@ export const resizeElement = (
     nextHeight = Math.max(nextHeight, minHeight);
   }
 
-  const { width: oldWidth, height: oldHeight } = latestElement;
-
   mutateElement(
     latestElement,
     {
@@ -201,7 +199,7 @@ export const resizeElement = (
   }
 
   updateBoundElements(latestElement, elementsMap, {
-    oldSize: { width: oldWidth, height: oldHeight },
+    newSize: { width: nextWidth, height: nextHeight },
   });
 
   if (boundTextElement && boundTextFont) {

packages/excalidraw/constants.ts

@@ -2,6 +2,7 @@ import cssVariables from "./css/variables.module.scss";
 import type { AppProps, AppState } from "./types";
 import type { ExcalidrawElement, FontFamilyValues } from "./element/types";
 import { COLOR_PALETTE } from "./colors";
+
 export const isDarwin = /Mac|iPod|iPhone|iPad/.test(navigator.platform);
 export const isWindows = /^Win/.test(navigator.platform);
 export const isAndroid = /\b(android)\b/i.test(navigator.userAgent);

packages/excalidraw/data/blob.ts

@@ -8,13 +8,14 @@ import { calculateScrollCenter } from "../scene";
 import type { AppState, DataURL, LibraryItem } from "../types";
 import type { ValueOf } from "../utility-types";
 import { bytesToHexString, isPromiseLike } from "../utils";
+import { base64ToString, stringToBase64, toByteString } from "./encode";
 import type { FileSystemHandle } from "./filesystem";
 import { nativeFileSystemSupported } from "./filesystem";
 import { isValidExcalidrawData, isValidLibrary } from "./json";
 import { restore, restoreLibraryItems } from "./restore";
 import type { ImportedLibraryData } from "./types";
 
-const parseFileContents = async (blob: Blob | File) => {
+const parseFileContents = async (blob: Blob | File): Promise<string> => {
   let contents: string;
 
   if (blob.type === MIME_TYPES.png) {
@@ -46,9 +47,7 @@ const parseFileContents = async (blob: Blob | File) => {
     }
     if (blob.type === MIME_TYPES.svg) {
       try {
-        return await (
-          await import("./image")
-        ).decodeSvgMetadata({
+        return (await import("./image")).decodeSvgMetadata({
           svg: contents,
         });
       } catch (error: any) {
@@ -249,6 +248,7 @@ export const generateIdFromFile = async (file: File): Promise<FileId> => {
   }
 };
 
+/** async. For sync variant, use getDataURL_sync */
 export const getDataURL = async (file: Blob | File): Promise<DataURL> => {
   return new Promise((resolve, reject) => {
     const reader = new FileReader();
@@ -261,6 +261,16 @@ export const getDataURL = async (file: Blob | File): Promise<DataURL> => {
   });
 };
 
+export const getDataURL_sync = (
+  data: string | Uint8Array | ArrayBuffer,
+  mimeType: ValueOf<typeof MIME_TYPES>,
+): DataURL => {
+  return `data:${mimeType};base64,${stringToBase64(
+    toByteString(data),
+    true,
+  )}` as DataURL;
+};
+
 export const dataURLToFile = (dataURL: DataURL, filename = "") => {
   const dataIndexStart = dataURL.indexOf(",");
   const byteString = atob(dataURL.slice(dataIndexStart + 1));
@@ -274,6 +284,10 @@ export const dataURLToFile = (dataURL: DataURL, filename = "") => {
   return new File([ab], filename, { type: mimeType });
 };
 
+export const dataURLToString = (dataURL: DataURL) => {
+  return base64ToString(dataURL.slice(dataURL.indexOf(",") + 1));
+};
+
 export const resizeImageFile = async (
   file: File,
   opts: {

packages/excalidraw/data/encode.ts

@@ -5,24 +5,23 @@ import { encryptData, decryptData } from "./encryption";
 // byte (binary) strings
 // -----------------------------------------------------------------------------
 
-// fast, Buffer-compatible implem
-export const toByteString = (
-  data: string | Uint8Array | ArrayBuffer,
-): Promise<string> => {
-  return new Promise((resolve, reject) => {
-    const blob =
-      typeof data === "string"
-        ? new Blob([new TextEncoder().encode(data)])
-        : new Blob([data instanceof Uint8Array ? data : new Uint8Array(data)]);
-    const reader = new FileReader();
-    reader.onload = (event) => {
-      if (!event.target || typeof event.target.result !== "string") {
-        return reject(new Error("couldn't convert to byte string"));
-      }
-      resolve(event.target.result);
-    };
-    reader.readAsBinaryString(blob);
-  });
+// Buffer-compatible implem.
+//
+// Note that in V8, spreading the uint8array (by chunks) into
+// `String.fromCharCode(...uint8array)` tends to be faster for large
+// strings/buffers, in case perf is needed in the future.
+export const toByteString = (data: string | Uint8Array | ArrayBuffer) => {
+  const bytes =
+    typeof data === "string"
+      ? new TextEncoder().encode(data)
+      : data instanceof Uint8Array
+      ? data
+      : new Uint8Array(data);
+  let bstring = "";
+  for (const byte of bytes) {
+    bstring += String.fromCharCode(byte);
+  }
+  return bstring;
 };
 
 const byteStringToArrayBuffer = (byteString: string) => {
@@ -46,12 +45,12 @@ const byteStringToString = (byteString: string) => {
  * @param isByteString set to true if already byte string to prevent bloat
  *  due to reencoding
  */
-export const stringToBase64 = async (str: string, isByteString = false) => {
-  return isByteString ? window.btoa(str) : window.btoa(await toByteString(str));
+export const stringToBase64 = (str: string, isByteString = false) => {
+  return isByteString ? window.btoa(str) : window.btoa(toByteString(str));
 };
 
 // async to align with stringToBase64
-export const base64ToString = async (base64: string, isByteString = false) => {
+export const base64ToString = (base64: string, isByteString = false) => {
   return isByteString
     ? window.atob(base64)
     : byteStringToString(window.atob(base64));
@@ -66,6 +65,20 @@ export const base64ToArrayBuffer = (base64: string): ArrayBuffer => {
   return byteStringToArrayBuffer(atob(base64));
 };
 
+// -----------------------------------------------------------------------------
+// base64url
+// -----------------------------------------------------------------------------
+
+export const base64urlToString = (str: string) => {
+  return window.atob(
+    // normalize base64URL to base64
+    str
+      .replace(/-/g, "+")
+      .replace(/_/g, "/")
+      .padEnd(str.length + ((4 - (str.length % 4)) % 4), "="),
+  );
+};
+
 // -----------------------------------------------------------------------------
 // text encoding
 // -----------------------------------------------------------------------------
@@ -82,18 +95,18 @@ type EncodedData = {
 /**
  * Encodes (and potentially compresses via zlib) text to byte string
  */
-export const encode = async ({
+export const encode = ({
   text,
   compress,
 }: {
   text: string;
   /** defaults to `true`. If compression fails, falls back to bstring alone. */
   compress?: boolean;
-}): Promise<EncodedData> => {
+}): EncodedData => {
   let deflated!: string;
   if (compress !== false) {
     try {
-      deflated = await toByteString(deflate(text));
+      deflated = toByteString(deflate(text));
     } catch (error: any) {
       console.error("encode: cannot deflate", error);
     }
@@ -102,11 +115,11 @@ export const encode = async ({
     version: "1",
     encoding: "bstring",
     compressed: !!deflated,
-    encoded: deflated || (await toByteString(text)),
+    encoded: deflated || toByteString(text),
   };
 };
 
-export const decode = async (data: EncodedData): Promise<string> => {
+export const decode = (data: EncodedData): string => {
   let decoded: string;
 
   switch (data.encoding) {
@@ -114,7 +127,7 @@ export const decode = async (data: EncodedData): Promise<string> => {
       // if compressed, do not double decode the bstring
       decoded = data.compressed
         ? data.encoded
-        : await byteStringToString(data.encoded);
+        : byteStringToString(data.encoded);
       break;
     default:
       throw new Error(`decode: unknown encoding "${data.encoding}"`);

packages/excalidraw/data/image.ts

@@ -32,7 +32,7 @@ export const encodePngMetadata = async ({
   const metadataChunk = tEXt.encode(
     MIME_TYPES.excalidraw,
     JSON.stringify(
-      await encode({
+      encode({
         text: metadata,
         compress: true,
       }),
@@ -59,7 +59,7 @@ export const decodePngMetadata = async (blob: Blob) => {
         }
         throw new Error("FAILED");
       }
-      return await decode(encodedData);
+      return decode(encodedData);
     } catch (error: any) {
       console.error(error);
       throw new Error("FAILED");
@@ -72,9 +72,9 @@ export const decodePngMetadata = async (blob: Blob) => {
 // SVG
 // -----------------------------------------------------------------------------
 
-export const encodeSvgMetadata = async ({ text }: { text: string }) => {
-  const base64 = await stringToBase64(
-    JSON.stringify(await encode({ text })),
+export const encodeSvgMetadata = ({ text }: { text: string }) => {
+  const base64 = stringToBase64(
+    JSON.stringify(encode({ text })),
     true /* is already byte string */,
   );
 
@@ -87,7 +87,7 @@ export const encodeSvgMetadata = async ({ text }: { text: string }) => {
   return metadata;
 };
 
-export const decodeSvgMetadata = async ({ svg }: { svg: string }) => {
+export const decodeSvgMetadata = ({ svg }: { svg: string }) => {
   if (svg.includes(`payload-type:${MIME_TYPES.excalidraw}`)) {
     const match = svg.match(
       /<!-- payload-start -->\s*(.+?)\s*<!-- payload-end -->/,
@@ -100,7 +100,7 @@ export const decodeSvgMetadata = async ({ svg }: { svg: string }) => {
     const isByteString = version !== "1";
 
     try {
-      const json = await base64ToString(match[1], isByteString);
+      const json = base64ToString(match[1], isByteString);
       const encodedData = JSON.parse(json);
       if (!("encoded" in encodedData)) {
         // legacy, un-encoded scene JSON
@@ -112,7 +112,7 @@ export const decodeSvgMetadata = async ({ svg }: { svg: string }) => {
         }
         throw new Error("FAILED");
       }
-      return await decode(encodedData);
+      return decode(encodedData);
     } catch (error: any) {
       console.error(error);
       throw new Error("FAILED");

packages/excalidraw/element/binding.ts

@@ -576,11 +576,11 @@ export const updateBoundElements = (
   elementsMap: NonDeletedSceneElementsMap | SceneElementsMap,
   options?: {
     simultaneouslyUpdated?: readonly ExcalidrawElement[];
-    oldSize?: { width: number; height: number };
+    newSize?: { width: number; height: number };
     changedElements?: Map<string, OrderedExcalidrawElement>;
   },
 ) => {
-  const { oldSize, simultaneouslyUpdated, changedElements } = options ?? {};
+  const { newSize, simultaneouslyUpdated, changedElements } = options ?? {};
   const simultaneouslyUpdatedElementIds = getSimultaneouslyUpdatedElementIds(
     simultaneouslyUpdated,
   );
@@ -603,12 +603,12 @@ export const updateBoundElements = (
       startBinding: maybeCalculateNewGapWhenScaling(
         changedElement,
         element.startBinding,
-        oldSize,
+        newSize,
       ),
       endBinding: maybeCalculateNewGapWhenScaling(
         changedElement,
         element.endBinding,
-        oldSize,
+        newSize,
       ),
     };
 

packages/excalidraw/element/embeddable.ts

@@ -4,7 +4,7 @@ import type { ExcalidrawProps } from "../types";
 import { getFontString, updateActiveTool } from "../utils";
 import { setCursorForShape } from "../cursor";
 import { newTextElement } from "./newElement";
-import { wrapText } from "./textElement";
+import { wrapText } from "./textWrapping";
 import { isIframeElement } from "./typeChecks";
 import type {
   ExcalidrawElement,

packages/excalidraw/element/image.ts

@@ -94,7 +94,7 @@ export const isHTMLSVGElement = (node: Node | null): node is SVGElement => {
   return node?.nodeName.toLowerCase() === "svg";
 };
 
-export const normalizeSVG = async (SVGString: string) => {
+export const normalizeSVG = (SVGString: string) => {
   const doc = new DOMParser().parseFromString(SVGString, MIME_TYPES.svg);
   const svg = doc.querySelector("svg");
   const errorNode = doc.querySelector("parsererror");

packages/excalidraw/element/newElement.ts

@@ -34,9 +34,9 @@ import { getResizedElementAbsoluteCoords } from "./bounds";
 import {
   measureText,
   normalizeText,
-  wrapText,
   getBoundTextMaxWidth,
 } from "./textElement";
+import { wrapText } from "./textWrapping";
 import {
   DEFAULT_ELEMENT_PROPS,
   DEFAULT_FONT_FAMILY,

packages/excalidraw/element/resizeElements.ts

@@ -47,10 +47,10 @@ import {
   handleBindTextResize,
   getBoundTextMaxWidth,
   getApproxMinLineHeight,
-  wrapText,
   measureText,
   getMinTextElementWidth,
 } from "./textElement";
+import { wrapText } from "./textWrapping";
 import { LinearElementEditor } from "./linearElementEditor";
 import { isInGroup } from "../groups";
 import { mutateElbowArrow } from "./routing";
@@ -739,9 +739,9 @@ export const resizeSingleElement = (
     mutateElement(element, resizedElement);
 
     updateBoundElements(element, elementsMap, {
-      oldSize: {
-        width: stateAtResizeStart.width,
-        height: stateAtResizeStart.height,
+      newSize: {
+        width: resizedElement.width,
+        height: resizedElement.height,
       },
     });
 
@@ -999,14 +999,13 @@ export const resizeMultipleElements = (
     element,
     update: { boundTextFontSize, ...update },
   } of elementsAndUpdates) {
-    const { angle } = update;
-    const { width: oldWidth, height: oldHeight } = element;
+    const { angle, width: newWidth, height: newHeight } = update;
 
     mutateElement(element, update, false);
 
     updateBoundElements(element, elementsMap, {
       simultaneouslyUpdated: elementsToUpdate,
-      oldSize: { width: oldWidth, height: oldHeight },
+      newSize: { width: newWidth, height: newHeight },
     });
 
     const boundTextElement = getBoundTextElement(element, elementsMap);

packages/excalidraw/element/textElement.test.ts

@@ -1,4 +1,4 @@
-import { BOUND_TEXT_PADDING, FONT_FAMILY } from "../constants";
+import { FONT_FAMILY } from "../constants";
 import { getLineHeight } from "../fonts";
 import { API } from "../tests/helpers/api";
 import {
@@ -6,642 +6,10 @@ import {
   getContainerCoords,
   getBoundTextMaxWidth,
   getBoundTextMaxHeight,
-  wrapText,
   detectLineHeight,
   getLineHeightInPx,
-  parseTokens,
 } from "./textElement";
-import type { ExcalidrawTextElementWithContainer, FontString } from "./types";
-
-describe("Test wrapText", () => {
-  // font is irrelevant as jsdom does not support FontFace API
-  // `measureText` width is mocked to return `text.length` by `jest-canvas-mock`
-  // https://github.com/hustcc/jest-canvas-mock/blob/master/src/classes/TextMetrics.js
-  const font = "10px Cascadia, Segoe UI Emoji" as FontString;
-
-  it("should wrap the text correctly when word length is exactly equal to max width", () => {
-    const text = "Hello Excalidraw";
-    // Length of "Excalidraw" is 100 and exacty equal to max width
-    const res = wrapText(text, font, 100);
-    expect(res).toEqual(`Hello\nExcalidraw`);
-  });
-
-  it("should return the text as is if max width is invalid", () => {
-    const text = "Hello Excalidraw";
-    expect(wrapText(text, font, NaN)).toEqual(text);
-    expect(wrapText(text, font, -1)).toEqual(text);
-    expect(wrapText(text, font, Infinity)).toEqual(text);
-  });
-
-  it("should show the text correctly when max width reached", () => {
-    const text = "Hello😀";
-    const maxWidth = 10;
-    const res = wrapText(text, font, maxWidth);
-    expect(res).toBe("H\ne\nl\nl\no\n😀");
-  });
-
-  it("should not wrap number when wrapping line", () => {
-    const text = "don't wrap this number 99,100.99";
-    const maxWidth = 300;
-    const res = wrapText(text, font, maxWidth);
-    expect(res).toBe("don't wrap this number\n99,100.99");
-  });
-
-  it("should support multiple (multi-codepoint) emojis", () => {
-    const text = "😀🗺🔥👩🏽‍🦰👨‍👩‍👧‍👦🇨🇿";
-    const maxWidth = 1;
-    const res = wrapText(text, font, maxWidth);
-    expect(res).toBe("😀\n🗺\n🔥\n👩🏽‍🦰\n👨‍👩‍👧‍👦\n🇨🇿");
-  });
-
-  it("should wrap the text correctly when text contains hyphen", () => {
-    let text =
-      "Wikipedia is hosted by Wikimedia- Foundation, a non-profit organization that also hosts a range-of other projects";
-    const res = wrapText(text, font, 110);
-    expect(res).toBe(
-      `Wikipedia\nis hosted\nby\nWikimedia-\nFoundation,\na non-\nprofit\norganizatio\nn that also\nhosts a\nrange-of\nother\nprojects`,
-    );
-
-    text = "Hello thereusing-now";
-    expect(wrapText(text, font, 100)).toEqual("Hello\nthereusing\n-now");
-  });
-
-  it("should support wrapping nested lists", () => {
-    const text = `\tA) one tab\t\t- two tabs        - 8 spaces`;
-
-    const maxWidth = 100;
-    const res = wrapText(text, font, maxWidth);
-    expect(res).toBe(`\tA) one\ntab\t\t- two\ntabs\n- 8 spaces`);
-
-    const maxWidth2 = 50;
-    const res2 = wrapText(text, font, maxWidth2);
-    expect(res2).toBe(`\tA)\none\ntab\n- two\ntabs\n- 8\nspace\ns`);
-  });
-
-  describe("When text is CJK", () => {
-    it("should break each CJK character when width is very small", () => {
-      // "안녕하세요" (Hangul) + "こんにちは世界" (Hiragana, Kanji) + "ｺﾝﾆﾁハ" (Katakana) + "你好" (Han) = "Hello Hello World Hello Hi"
-      const text = "안녕하세요こんにちは世界ｺﾝﾆﾁハ你好";
-      const maxWidth = 10;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe(
-        "안\n녕\n하\n세\n요\nこ\nん\nに\nち\nは\n世\n界\nｺ\nﾝ\nﾆ\nﾁ\nハ\n你\n好",
-      );
-    });
-
-    it("should break CJK text into longer segments when width is larger", () => {
-      // "안녕하세요" (Hangul) + "こんにちは世界" (Hiragana, Kanji) + "ｺﾝﾆﾁハ" (Katakana) + "你好" (Han) = "Hello Hello World Hello Hi"
-      const text = "안녕하세요こんにちは世界ｺﾝﾆﾁハ你好";
-      const maxWidth = 30;
-      const res = wrapText(text, font, maxWidth);
-
-      // measureText is mocked, so it's not precisely what would happen in prod
-      expect(res).toBe("안녕하\n세요こ\nんにち\nは世界\nｺﾝﾆ\nﾁハ你\n好");
-    });
-
-    it("should handle a combination of CJK, latin, emojis and whitespaces", () => {
-      const text = `a醫 醫      bb  你好  world-i-😀🗺🔥`;
-
-      const maxWidth = 150;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe(`a醫 醫      bb  你\n好  world-i-😀🗺\n🔥`);
-
-      const maxWidth2 = 50;
-      const res2 = wrapText(text, font, maxWidth2);
-      expect(res2).toBe(`a醫 醫\nbb  你\n好\nworld\n-i-😀\n🗺🔥`);
-
-      const maxWidth3 = 30;
-      const res3 = wrapText(text, font, maxWidth3);
-      expect(res3).toBe(`a醫\n醫\nbb\n你好\nwor\nld-\ni-\n😀\n🗺\n🔥`);
-    });
-
-    it("should break before and after a regular CJK character", () => {
-      const text = "HelloたWorld";
-      const maxWidth1 = 50;
-      const res1 = wrapText(text, font, maxWidth1);
-      expect(res1).toBe("Hello\nた\nWorld");
-
-      const maxWidth2 = 60;
-      const res2 = wrapText(text, font, maxWidth2);
-      expect(res2).toBe("Helloた\nWorld");
-    });
-
-    it("should break before and after certain CJK symbols", () => {
-      const text = "こんにちは〃世界";
-      const maxWidth1 = 50;
-      const res1 = wrapText(text, font, maxWidth1);
-      expect(res1).toBe("こんにちは\n〃世界");
-
-      const maxWidth2 = 60;
-      const res2 = wrapText(text, font, maxWidth2);
-      expect(res2).toBe("こんにちは〃\n世界");
-    });
-
-    it("should break after, not before for certain CJK pairs", () => {
-      const text = "Hello た。";
-      const maxWidth = 70;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe("Hello\nた。");
-    });
-
-    it("should break before, not after for certain CJK pairs", () => {
-      const text = "Hello「たWorld」";
-      const maxWidth = 60;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe("Hello\n「た\nWorld」");
-    });
-
-    it("should break after, not before for certain CJK character pairs", () => {
-      const text = "「Helloた」World";
-      const maxWidth = 70;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe("「Hello\nた」World");
-    });
-
-    it("should break Chinese sentences", () => {
-      const text = `中国你好！这是一个测试。
-我们来看看：人民币¥1234「很贵」
-（括号）、逗号，句号。空格 换行　全角符号…—`;
-
-      const maxWidth1 = 80;
-      const res1 = wrapText(text, font, maxWidth1);
-      expect(res1).toBe(`中国你好！这是一\n个测试。
-我们来看看：人民\n币¥1234「很\n贵」
-（括号）、逗号，\n句号。空格 换行\n全角符号…—`);
-
-      const maxWidth2 = 50;
-      const res2 = wrapText(text, font, maxWidth2);
-      expect(res2).toBe(`中国你好！\n这是一个测\n试。
-我们来看\n看：人民币\n¥1234\n「很贵」
-（括号）、\n逗号，句\n号。空格\n换行　全角\n符号…—`);
-    });
-  });
-
-  it("should break Japanese sentences", () => {
-    const text = `日本こんにちは！これはテストです。
-  見てみましょう：円￥1234「高い」
-  （括弧）、読点、句点。
-  空白 改行　全角記号…ー`;
-
-    const maxWidth1 = 80;
-    const res1 = wrapText(text, font, maxWidth1);
-    expect(res1).toBe(`日本こんにちは！\nこれはテストで\nす。
-  見てみましょ\nう：円￥1234\n「高い」
-  （括弧）、読\n点、句点。
-  空白 改行\n全角記号…ー`);
-
-    const maxWidth2 = 50;
-    const res2 = wrapText(text, font, maxWidth2);
-    expect(res2).toBe(`日本こんに\nちは！これ\nはテストで\nす。
-  見てみ\nましょう：\n円\n￥1234\n「高い」
-  （括\n弧）、読\n点、句点。
-  空白\n改行　全角\n記号…ー`);
-  });
-
-  it("should break Korean sentences", () => {
-    const text = `한국 안녕하세요! 이것은 테스트입니다.
-우리 보자: 원화₩1234「비싸다」
-(괄호), 쉼표, 마침표.
-공백 줄바꿈　전각기호…—`;
-
-    const maxWidth1 = 80;
-    const res1 = wrapText(text, font, maxWidth1);
-    expect(res1).toBe(`한국 안녕하세\n요! 이것은 테\n스트입니다.
-우리 보자: 원\n화₩1234「비\n싸다」
-(괄호), 쉼\n표, 마침표.
-공백 줄바꿈　전\n각기호…—`);
-
-    const maxWidth2 = 60;
-    const res2 = wrapText(text, font, maxWidth2);
-    expect(res2).toBe(`한국 안녕하\n세요! 이것\n은 테스트입\n니다.
-우리 보자:\n원화\n₩1234\n「비싸다」
-(괄호),\n쉼표, 마침\n표.
-공백 줄바꿈\n전각기호…—`);
-  });
-
-  describe("When text contains leading whitespaces", () => {
-    const text = "  \t   Hello world";
-
-    it("should preserve leading whitespaces", () => {
-      const maxWidth = 120;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe("  \t   Hello\nworld");
-    });
-
-    it("should break and collapse leading whitespaces when line breaks", () => {
-      const maxWidth = 60;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe("\nHello\nworld");
-    });
-
-    it("should break and collapse leading whitespaces whe words break", () => {
-      const maxWidth = 30;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe("\nHel\nlo\nwor\nld");
-    });
-  });
-
-  describe("When text contains trailing whitespaces", () => {
-    it("shouldn't add new lines for trailing spaces", () => {
-      const text = "Hello whats up     ";
-      const maxWidth = 200 - BOUND_TEXT_PADDING * 2;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe(text);
-    });
-
-    it("should ignore trailing whitespaces when line breaks", () => {
-      const text = "Hippopotomonstrosesquippedaliophobia        ??????";
-      const maxWidth = 400;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe("Hippopotomonstrosesquippedaliophobia\n??????");
-    });
-
-    it("should not ignore trailing whitespaces when word breaks", () => {
-      const text = "Hippopotomonstrosesquippedaliophobia        ??????";
-      const maxWidth = 300;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe("Hippopotomonstrosesquippedalio\nphobia        ??????");
-    });
-
-    it("should ignore trailing whitespaces when word breaks and line breaks", () => {
-      const text = "Hippopotomonstrosesquippedaliophobia        ??????";
-      const maxWidth = 180;
-      const res = wrapText(text, font, maxWidth);
-      expect(res).toBe("Hippopotomonstrose\nsquippedaliophobia\n??????");
-    });
-  });
-
-  describe("When text doesn't contain new lines", () => {
-    const text = "Hello whats up";
-
-    [
-      {
-        desc: "break all words when width of each word is less than container width",
-        width: 80,
-        res: `Hello\nwhats\nup`,
-      },
-      {
-        desc: "break all characters when width of each character is less than container width",
-        width: 25,
-        res: `H
-e
-l
-l
-o
-w
-h
-a
-t
-s
-u
-p`,
-      },
-      {
-        desc: "break words as per the width",
-
-        width: 140,
-        res: `Hello whats\nup`,
-      },
-      {
-        desc: "fit the container",
-
-        width: 250,
-        res: "Hello whats up",
-      },
-      {
-        desc: "should push the word if its equal to max width",
-        width: 60,
-        res: `Hello
-whats
-up`,
-      },
-    ].forEach((data) => {
-      it(`should ${data.desc}`, () => {
-        const res = wrapText(text, font, data.width - BOUND_TEXT_PADDING * 2);
-        expect(res).toEqual(data.res);
-      });
-    });
-  });
-
-  describe("When text contain new lines", () => {
-    const text = `Hello
-whats up`;
-    [
-      {
-        desc: "break all words when width of each word is less than container width",
-        width: 80,
-        res: `Hello\nwhats\nup`,
-      },
-      {
-        desc: "break all characters when width of each character is less than container width",
-        width: 25,
-        res: `H
-e
-l
-l
-o
-w
-h
-a
-t
-s
-u
-p`,
-      },
-      {
-        desc: "break words as per the width",
-
-        width: 150,
-        res: `Hello
-whats up`,
-      },
-      {
-        desc: "fit the container",
-
-        width: 250,
-        res: `Hello
-whats up`,
-      },
-    ].forEach((data) => {
-      it(`should respect new lines and ${data.desc}`, () => {
-        const res = wrapText(text, font, data.width - BOUND_TEXT_PADDING * 2);
-        expect(res).toEqual(data.res);
-      });
-    });
-  });
-
-  describe("When text is long", () => {
-    const text = `hellolongtextthisiswhatsupwithyouIamtypingggggandtypinggg break it now`;
-    [
-      {
-        desc: "fit characters of long string as per container width",
-        width: 170,
-        res: `hellolongtextthi\nsiswhatsupwithyo\nuIamtypingggggan\ndtypinggg break\nit now`,
-      },
-      {
-        desc: "fit characters of long string as per container width and break words as per the width",
-
-        width: 130,
-        res: `hellolongtex
-tthisiswhats
-upwithyouIam
-typingggggan
-dtypinggg
-break it now`,
-      },
-      {
-        desc: "fit the long text when container width is greater than text length and move the rest to next line",
-
-        width: 600,
-        res: `hellolongtextthisiswhatsupwithyouIamtypingggggandtypinggg\nbreak it now`,
-      },
-    ].forEach((data) => {
-      it(`should ${data.desc}`, () => {
-        const res = wrapText(text, font, data.width - BOUND_TEXT_PADDING * 2);
-        expect(res).toEqual(data.res);
-      });
-    });
-  });
-
-  describe("Test parseTokens", () => {
-    it("should tokenize latin", () => {
-      let text = "Excalidraw is a virtual collaborative whiteboard";
-
-      expect(parseTokens(text)).toEqual([
-        "Excalidraw",
-        " ",
-        "is",
-        " ",
-        "a",
-        " ",
-        "virtual",
-        " ",
-        "collaborative",
-        " ",
-        "whiteboard",
-      ]);
-
-      text =
-        "Wikipedia is hosted by Wikimedia- Foundation, a non-profit organization that also hosts a range-of other projects";
-      expect(parseTokens(text)).toEqual([
-        "Wikipedia",
-        " ",
-        "is",
-        " ",
-        "hosted",
-        " ",
-        "by",
-        " ",
-        "Wikimedia-",
-        " ",
-        "Foundation,",
-        " ",
-        "a",
-        " ",
-        "non-",
-        "profit",
-        " ",
-        "organization",
-        " ",
-        "that",
-        " ",
-        "also",
-        " ",
-        "hosts",
-        " ",
-        "a",
-        " ",
-        "range-",
-        "of",
-        " ",
-        "other",
-        " ",
-        "projects",
-      ]);
-    });
-
-    it("should not tokenize number", () => {
-      const text = "99,100.99";
-      const tokens = parseTokens(text);
-      expect(tokens).toEqual(["99,100.99"]);
-    });
-
-    it("should tokenize joined emojis", () => {
-      const text = `😬🌍🗺🔥☂️👩🏽‍🦰👨‍👩‍👧‍👦👩🏾‍🔬🏳️‍🌈🧔‍♀️🧑‍🤝‍🧑🙅🏽‍♂️✅0️⃣🇨🇿🦅`;
-      const tokens = parseTokens(text);
-
-      expect(tokens).toEqual([
-        "😬",
-        "🌍",
-        "🗺",
-        "🔥",
-        "☂️",
-        "👩🏽‍🦰",
-        "👨‍👩‍👧‍👦",
-        "👩🏾‍🔬",
-        "🏳️‍🌈",
-        "🧔‍♀️",
-        "🧑‍🤝‍🧑",
-        "🙅🏽‍♂️",
-        "✅",
-        "0️⃣",
-        "🇨🇿",
-        "🦅",
-      ]);
-    });
-
-    it("should tokenize emojis mixed with mixed text", () => {
-      const text = `😬a🌍b🗺c🔥d☂️《👩🏽‍🦰》👨‍👩‍👧‍👦德👩🏾‍🔬こ🏳️‍🌈안🧔‍♀️g🧑‍🤝‍🧑h🙅🏽‍♂️e✅f0️⃣g🇨🇿10🦅#hash`;
-      const tokens = parseTokens(text);
-
-      expect(tokens).toEqual([
-        "😬",
-        "a",
-        "🌍",
-        "b",
-        "🗺",
-        "c",
-        "🔥",
-        "d",
-        "☂️",
-        "《",
-        "👩🏽‍🦰",
-        "》",
-        "👨‍👩‍👧‍👦",
-        "德",
-        "👩🏾‍🔬",
-        "こ",
-        "🏳️‍🌈",
-        "안",
-        "🧔‍♀️",
-        "g",
-        "🧑‍🤝‍🧑",
-        "h",
-        "🙅🏽‍♂️",
-        "e",
-        "✅",
-        "f0️⃣g", // bummer, but ok, as we traded kecaps not breaking (less common) for hash and numbers not breaking (more common)
-        "🇨🇿",
-        "10", // nice! do not break the number, as it's by default matched by \p{Emoji}
-        "🦅",
-        "#hash", // nice! do not break the hash, as it's by default matched by \p{Emoji}
-      ]);
-    });
-
-    it("should tokenize decomposed chars into their composed variants", () => {
-      // each input character is in a decomposed form
-      const text = "čでäぴέ다й한";
-      expect(text.normalize("NFC").length).toEqual(8);
-      expect(text).toEqual(text.normalize("NFD"));
-
-      const tokens = parseTokens(text);
-      expect(tokens.length).toEqual(8);
-      expect(tokens).toEqual(["č", "で", "ä", "ぴ", "έ", "다", "й", "한"]);
-    });
-
-    it("should tokenize artificial CJK", () => {
-      const text = `《道德經》醫-醫こんにちは世界！안녕하세요세계；다.다...원/달(((다)))[[1]]〚({((한))>)〛た…[Hello] World？ニューヨーク・￥3700.55す。090-1234-5678￥1,000〜＄5,000「素晴らしい！」〔重要〕＃１：Taro君30％は、（たなばた）〰￥110±￥570で20℃〜9:30〜10:00【一番】`;
-
-      // [
-      //   '《道',        '德',             '經》',    '醫-',
-      //   '醫',          'こ',             'ん',      'に',
-      //   'ち',          'は',             '世',      '界！',
-      //   '안',          '녕',             '하',      '세',
-      //   '요',          '세',             '계；',    '다.',
-      //   '다...',       '원/',            '달',      '(((다)))',
-      //   '[[1]]',       '〚({((한))>)〛', 'た…',     '[Hello]',
-      //   ' ',           'World？',        'ニ',      'ュ',
-      //   'ー',          'ヨ',             'ー',      'ク・',
-      //   '￥3700.55',   'す。',           '090-',    '1234-',
-      //   '5678￥1,000', '〜',             '＄5,000', '「素',
-      //   '晴',          'ら',             'し',      'い！」',
-      //   '〔重',        '要〕',           '＃',      '１：',
-      //   'Taro',        '君',             '30％',    'は、',
-      //   '（た',        'な',             'ば',      'た）',
-      //   '〰',          '￥110±',         '￥570',   'で',
-      //   '20℃',         '〜',             '9:30',    '〜',
-      //   '10:00',       '【一',           '番】'
-      // ]
-      const tokens = parseTokens(text);
-
-      // Latin
-      expect(tokens).toContain("[[1]]");
-      expect(tokens).toContain("[Hello]");
-      expect(tokens).toContain("World？");
-      expect(tokens).toContain("Taro");
-
-      // Chinese
-      expect(tokens).toContain("《道");
-      expect(tokens).toContain("德");
-      expect(tokens).toContain("經》");
-      expect(tokens).toContain("醫-");
-      expect(tokens).toContain("醫");
-
-      // Japanese
-      expect(tokens).toContain("こ");
-      expect(tokens).toContain("ん");
-      expect(tokens).toContain("に");
-      expect(tokens).toContain("ち");
-      expect(tokens).toContain("は");
-      expect(tokens).toContain("世");
-      expect(tokens).toContain("ニ");
-      expect(tokens).toContain("ク・");
-      expect(tokens).toContain("界！");
-      expect(tokens).toContain("た…");
-      expect(tokens).toContain("す。");
-      expect(tokens).toContain("ュ");
-      expect(tokens).toContain("ー");
-      expect(tokens).toContain("「素");
-      expect(tokens).toContain("晴");
-      expect(tokens).toContain("ら");
-      expect(tokens).toContain("し");
-      expect(tokens).toContain("い！」");
-      expect(tokens).toContain("君");
-      expect(tokens).toContain("は、");
-      expect(tokens).toContain("（た");
-      expect(tokens).toContain("な");
-      expect(tokens).toContain("ば");
-      expect(tokens).toContain("た）");
-      expect(tokens).toContain("で");
-      expect(tokens).toContain("【一");
-      expect(tokens).toContain("番】");
-
-      // Check for Korean
-      expect(tokens).toContain("안");
-      expect(tokens).toContain("녕");
-      expect(tokens).toContain("하");
-      expect(tokens).toContain("세");
-      expect(tokens).toContain("요");
-      expect(tokens).toContain("세");
-      expect(tokens).toContain("계；");
-      expect(tokens).toContain("다.");
-      expect(tokens).toContain("다...");
-      expect(tokens).toContain("원/");
-      expect(tokens).toContain("달");
-      expect(tokens).toContain("(((다)))");
-      expect(tokens).toContain("〚({((한))>)〛");
-
-      // Numbers and units
-      expect(tokens).toContain("￥3700.55");
-      expect(tokens).toContain("090-");
-      expect(tokens).toContain("1234-");
-      expect(tokens).toContain("5678￥1,000");
-      expect(tokens).toContain("＄5,000");
-      expect(tokens).toContain("１：");
-      expect(tokens).toContain("30％");
-      expect(tokens).toContain("￥110±");
-      expect(tokens).toContain("￥570");
-      expect(tokens).toContain("20℃");
-      expect(tokens).toContain("9:30");
-      expect(tokens).toContain("10:00");
-
-      // Punctuation and symbols
-      expect(tokens).toContain("〜");
-      expect(tokens).toContain("〰");
-      expect(tokens).toContain("＃");
-    });
-  });
-});
+import type { ExcalidrawTextElementWithContainer } from "./types";
 
 describe("Test measureText", () => {
   describe("Test getContainerCoords", () => {

packages/excalidraw/element/textElement.ts

@@ -16,12 +16,12 @@ import {
   BOUND_TEXT_PADDING,
   DEFAULT_FONT_FAMILY,
   DEFAULT_FONT_SIZE,
-  ENV,
   TEXT_ALIGN,
   VERTICAL_ALIGN,
 } from "../constants";
 import type { MaybeTransformHandleType } from "./transformHandles";
 import { isTextElement } from ".";
+import { wrapText } from "./textWrapping";
 import { isBoundToContainer, isArrowElement } from "./typeChecks";
 import { LinearElementEditor } from "./linearElementEditor";
 import type { AppState } from "../types";
@@ -31,172 +31,6 @@ import {
 } from "./containerCache";
 import type { ExtractSetType } from "../utility-types";
 
-/**
- * Matches various emoji types.
- *
- * 1. basic emojis (😀, 🌍)
- * 2. flags (🇨🇿)
- * 3. multi-codepoint emojis:
- *    - skin tones (👍🏽)
- *    - variation selectors (☂️)
- *    - keycaps (1️⃣)
- *    - tag sequences (🏴󠁧󠁢󠁥󠁮󠁧󠁿)
- *    - emoji sequences (👨‍👩‍👧‍👦, 👩‍🚀, 🏳️‍🌈)
- *
- * Unicode points:
- * - \uFE0F: presentation selector
- * - \u20E3: enclosing keycap
- * - \u200D: ZWJ (zero width joiner)
- * - \u{E0020}-\u{E007E}: tags
- * - \u{E007F}: cancel tag
- *
- * @see https://unicode.org/reports/tr51/#EBNF_and_Regex, with changes:
- * - replaced \p{Emoji} with [\p{Extended_Pictographic}\p{Emoji_Presentation}], see more in `should tokenize emojis mixed with mixed text` test
- * - replaced \p{Emod} with \p{Emoji_Modifier} as some do not understand the abbreviation (i.e. https://devina.io/redos-checker)
- */
-const _EMOJI_CHAR =
-  /(\p{RI}\p{RI}|[\p{Extended_Pictographic}\p{Emoji_Presentation}](?:\p{Emoji_Modifier}|\uFE0F\u20E3?|[\u{E0020}-\u{E007E}]+\u{E007F})?(?:\u200D(?:\p{RI}\p{RI}|[\p{Emoji}](?:\p{Emoji_Modifier}|\uFE0F\u20E3?|[\u{E0020}-\u{E007E}]+\u{E007F})?))*)/u;
-
-/**
- * Detect a CJK char, though does not include every possible char used in CJK texts,
- * such as symbols and punctuations.
- *
- * By default every CJK is a breaking point, though CJK has additional breaking points,
- * including full width punctuations or symbols (Chinese and Japanese) and western punctuations (Korean).
- *
- * Additional CJK breaking point rules:
- * - expect a break before (lookahead), but not after (negative lookbehind),  i.e. "(" or "("
- * - expect a break after (lookbehind), but not before (negative lookahead), i.e. "）" or ")"
- * - expect a break always (lookahead and lookbehind), i.e. "〃"
- */
-const _CJK_CHAR =
-  /\p{Script=Han}\p{Script=Hiragana}\p{Script=Katakana}\p{Script=Hangul}/u;
-
-/**
- * Following characters break only with CJK, not with alphabetic characters.
- * This is essential for Korean, as it uses alphabetic punctuation, but expects CJK-like breaking points.
- *
- * Hello((た)) → ["Hello", "((た))"]
- * Hello((World)) → ["Hello((World))"]
- */
-const _CJK_BREAK_NOT_AFTER_BUT_BEFORE = /<\(\[\{/u;
-const _CJK_BREAK_NOT_BEFORE_BUT_AFTER = />\)\]\}.,:;\?!/u;
-const _CJK_BREAK_ALWAYS = /　〃〜～〰＃＆＊＋－ー／＝｜￢￣￤/u;
-const _CJK_SYMBOLS_AND_PUNCTUATION =
-  /（）［］｛｝〈〉《》｟｠｢｣「」『』【】〖〗〔〕〘〙〚〛＜＞〝〞＇〟・。ﾟﾞ，、．：；？！％ー/u;
-
-/**
- * Following characters break with any character, even though are mostly used with CJK.
- *
- * Hello た。→ ["Hello", "た。"]
- *        ↑ DON'T BREAK "た。" (negative lookahead)
- * Hello「た」 World → ["Hello", "「た」", "World"]
- *       ↑ DON'T BREAK "「た" (negative lookbehind)
- *        ↑ DON'T BREAK "た」"(negative lookahead)
- *      ↑ BREAK BEFORE "「" (lookahead)
- *         ↑ BREAK AFTER "」" (lookbehind)
- */
-const _ANY_BREAK_NOT_AFTER_BUT_BEFORE = /（［｛〈《｟｢「『【〖〔〘〚＜〝/u;
-const _ANY_BREAK_NOT_BEFORE_BUT_AFTER =
-  /）］｝〉》｠｣」』】〗〕〙〛＞〞＇〟・。ﾟﾞ，、．：；？！％±‥…\//u;
-
-/**
- * Natural breaking points for any grammars.
- *
- * Hello-world
- *       ↑ BREAK AFTER "-" → ["Hello-", "world"]
- * Hello world
- *      ↑ BREAK ALWAYS " " → ["Hello", " ", "world"]
- */
-const _ANY_BREAK_AFTER = /-/u;
-const _ANY_BREAK_ALWAYS = /\s/u;
-
-/**
- * Simple fallback for browsers (mainly Safari < 16.4) that don't support "Lookbehind assertion".
- *
- * Browser support as of 10/2024:
- * - 91% Lookbehind assertion https://caniuse.com/mdn-javascript_regular_expressions_lookbehind_assertion
- * - 94% Unicode character class escape https://caniuse.com/mdn-javascript_regular_expressions_unicode_character_class_escape
- *
- * Does not include advanced CJK breaking rules, but covers most of the core cases, especially for latin.
- */
-const BREAK_LINE_REGEX_SIMPLE = new RegExp(
-  `${_EMOJI_CHAR.source}|([${_ANY_BREAK_ALWAYS.source}${_CJK_CHAR.source}${_CJK_BREAK_ALWAYS.source}${_ANY_BREAK_AFTER.source}])`,
-  "u",
-);
-
-// Hello World → ["Hello", " World"]
-//      ↑ BREAK BEFORE " "
-// HelloたWorld → ["Hello", "たWorld"]
-//      ↑ BREAK BEFORE "た"
-// Hello「World」→ ["Hello", "「World」"]
-//      ↑ BREAK BEFORE "「"
-const getLookaheadBreakingPoints = () => {
-  const ANY_BREAKING_POINT = `(?<![${_ANY_BREAK_NOT_AFTER_BUT_BEFORE.source}])(?=[${_ANY_BREAK_NOT_AFTER_BUT_BEFORE.source}${_ANY_BREAK_ALWAYS.source}])`;
-  const CJK_BREAKING_POINT = `(?<![${_ANY_BREAK_NOT_AFTER_BUT_BEFORE.source}${_CJK_BREAK_NOT_AFTER_BUT_BEFORE.source}])(?=[${_CJK_BREAK_NOT_AFTER_BUT_BEFORE.source}]*[${_CJK_CHAR.source}${_CJK_BREAK_ALWAYS.source}])`;
-  return new RegExp(`(?:${ANY_BREAKING_POINT}|${CJK_BREAKING_POINT})`, "u");
-};
-
-// Hello World → ["Hello ", "World"]
-//       ↑ BREAK AFTER " "
-// Hello-World → ["Hello-", "World"]
-//       ↑ BREAK AFTER "-"
-// HelloたWorld → ["Helloた", "World"]
-//       ↑ BREAK AFTER "た"
-//「Hello」World → ["「Hello」", "World"]
-//       ↑ BREAK AFTER "」"
-const getLookbehindBreakingPoints = () => {
-  const ANY_BREAKING_POINT = `(?![${_ANY_BREAK_NOT_BEFORE_BUT_AFTER.source}])(?<=[${_ANY_BREAK_NOT_BEFORE_BUT_AFTER.source}${_ANY_BREAK_ALWAYS.source}${_ANY_BREAK_AFTER.source}])`;
-  const CJK_BREAKING_POINT = `(?![${_ANY_BREAK_NOT_BEFORE_BUT_AFTER.source}${_CJK_BREAK_NOT_BEFORE_BUT_AFTER.source}${_ANY_BREAK_AFTER.source}])(?<=[${_CJK_CHAR.source}${_CJK_BREAK_ALWAYS.source}][${_CJK_BREAK_NOT_BEFORE_BUT_AFTER.source}]*)`;
-  return new RegExp(`(?:${ANY_BREAKING_POINT}|${CJK_BREAKING_POINT})`, "u");
-};
-
-/**
- * Break a line based on the whitespaces, CJK / emoji chars and language specific breaking points,
- * like hyphen for alphabetic and various full-width codepoints for CJK - especially Japanese, e.g.:
- *
- *  "Hello 世界。🌎🗺" → ["Hello", " ", "世", "界。", "🌎", "🗺"]
- *  "Hello-world" → ["Hello-", "world"]
- *  "「Hello World」" → ["「Hello", " ", "World」"]
- */
-const getBreakLineRegexAdvanced = () =>
-  new RegExp(
-    `${_EMOJI_CHAR.source}|${getLookaheadBreakingPoints().source}|${
-      getLookbehindBreakingPoints().source
-    }`,
-    "u",
-  );
-
-let cachedBreakLineRegex: RegExp | undefined;
-
-// Lazy-load for browsers that don't support "Lookbehind assertion"
-const getBreakLineRegex = () => {
-  if (!cachedBreakLineRegex) {
-    try {
-      cachedBreakLineRegex = getBreakLineRegexAdvanced();
-    } catch {
-      cachedBreakLineRegex = BREAK_LINE_REGEX_SIMPLE;
-    }
-  }
-
-  return cachedBreakLineRegex;
-};
-
-const CJK_REGEX = new RegExp(
-  `[${_CJK_CHAR.source}${_CJK_BREAK_ALWAYS.source}${_CJK_SYMBOLS_AND_PUNCTUATION.source}]`,
-  "u",
-);
-
-const EMOJI_REGEX = new RegExp(`${_EMOJI_CHAR.source}`, "u");
-
-export const containsCJK = (text: string) => {
-  return CJK_REGEX.test(text);
-};
-
-export const containsEmoji = (text: string) => {
-  return EMOJI_REGEX.test(text);
-};
-
 export const normalizeText = (text: string) => {
   return (
     normalizeEOL(text)
@@ -510,7 +344,7 @@ let canvas: HTMLCanvasElement | undefined;
  *
  * `Math.ceil` of the final width adds additional buffer which stabilizes slight wrapping incosistencies.
  */
-const getLineWidth = (
+export const getLineWidth = (
   text: string,
   font: FontString,
   forceAdvanceWidth?: true,
@@ -575,164 +409,6 @@ export const getTextHeight = (
   return getLineHeightInPx(fontSize, lineHeight) * lineCount;
 };
 
-export const parseTokens = (line: string) => {
-  const breakLineRegex = getBreakLineRegex();
-
-  // normalizing to single-codepoint composed chars due to canonical equivalence of multi-codepoint versions for chars like č, で (~ so that we don't break a line in between c and ˇ)
-  // filtering due to multi-codepoint chars like 👨‍👩‍👧‍👦, 👩🏽‍🦰
-  return line.normalize("NFC").split(breakLineRegex).filter(Boolean);
-};
-
-// handles multi-byte chars (é, 中) and purposefully does not handle multi-codepoint char (👨‍👩‍👧‍👦, 👩🏽‍🦰)
-const isSingleCharacter = (maybeSingleCharacter: string) => {
-  return (
-    maybeSingleCharacter.codePointAt(0) !== undefined &&
-    maybeSingleCharacter.codePointAt(1) === undefined
-  );
-};
-
-const satisfiesWordInvariant = (word: string) => {
-  if (import.meta.env.MODE === ENV.TEST || import.meta.env.DEV) {
-    if (/\s/.test(word)) {
-      throw new Error("Word should not contain any whitespaces!");
-    }
-  }
-};
-
-const wrapWord = (
-  word: string,
-  font: FontString,
-  maxWidth: number,
-): Array<string> => {
-  // multi-codepoint emojis are already broken apart and shouldn't be broken further
-  if (EMOJI_REGEX.test(word)) {
-    return [word];
-  }
-
-  satisfiesWordInvariant(word);
-
-  const lines: Array<string> = [];
-  const chars = Array.from(word);
-
-  let currentLine = "";
-  let currentLineWidth = 0;
-
-  for (const char of chars) {
-    const _charWidth = charWidth.calculate(char, font);
-    const testLineWidth = currentLineWidth + _charWidth;
-
-    if (testLineWidth <= maxWidth) {
-      currentLine = currentLine + char;
-      currentLineWidth = testLineWidth;
-      continue;
-    }
-
-    if (currentLine) {
-      lines.push(currentLine);
-    }
-
-    currentLine = char;
-    currentLineWidth = _charWidth;
-  }
-
-  if (currentLine) {
-    lines.push(currentLine);
-  }
-
-  return lines;
-};
-
-const wrapLine = (
-  line: string,
-  font: FontString,
-  maxWidth: number,
-): string[] => {
-  const lines: Array<string> = [];
-  const tokens = parseTokens(line);
-  const tokenIterator = tokens[Symbol.iterator]();
-
-  let currentLine = "";
-  let currentLineWidth = 0;
-
-  let iterator = tokenIterator.next();
-
-  while (!iterator.done) {
-    const token = iterator.value;
-    const testLine = currentLine + token;
-
-    // cache single codepoint whitespace, CJK or emoji width calc. as kerning should not apply here
-    const testLineWidth = isSingleCharacter(token)
-      ? currentLineWidth + charWidth.calculate(token, font)
-      : getLineWidth(testLine, font, true);
-
-    // build up the current line, skipping length check for possibly trailing whitespaces
-    if (/\s/.test(token) || testLineWidth <= maxWidth) {
-      currentLine = testLine;
-      currentLineWidth = testLineWidth;
-      iterator = tokenIterator.next();
-      continue;
-    }
-
-    // current line is empty => just the token (word) is longer than `maxWidth` and needs to be wrapped
-    if (!currentLine) {
-      const wrappedWord = wrapWord(token, font, maxWidth);
-      const trailingLine = wrappedWord[wrappedWord.length - 1] ?? "";
-      const precedingLines = wrappedWord.slice(0, -1);
-
-      lines.push(...precedingLines);
-
-      // trailing line of the wrapped word might still be joined with next token/s
-      currentLine = trailingLine;
-      currentLineWidth = getLineWidth(trailingLine, font, true);
-      iterator = tokenIterator.next();
-    } else {
-      // push & reset, but don't iterate on the next token, as we didn't use it yet!
-      lines.push(currentLine.trimEnd());
-
-      // purposefully not iterating and not setting `currentLine` to `token`, so that we could use a simple !currentLine check above
-      currentLine = "";
-      currentLineWidth = 0;
-    }
-  }
-
-  // iterator done, push the trailing line if exists
-  if (currentLine) {
-    lines.push(currentLine.trimEnd());
-  }
-
-  return lines;
-};
-
-export const wrapText = (
-  text: string,
-  font: FontString,
-  maxWidth: number,
-): string => {
-  // if maxWidth is not finite or NaN which can happen in case of bugs in
-  // computation, we need to make sure we don't continue as we'll end up
-  // in an infinite loop
-  if (!Number.isFinite(maxWidth) || maxWidth < 0) {
-    return text;
-  }
-
-  const lines: Array<string> = [];
-  const originalLines = text.split("\n");
-
-  for (const originalLine of originalLines) {
-    const currentLineWidth = getLineWidth(originalLine, font, true);
-
-    if (currentLineWidth <= maxWidth) {
-      lines.push(originalLine);
-      continue;
-    }
-
-    const wrappedLine = wrapLine(originalLine, font, maxWidth);
-    lines.push(...wrappedLine);
-  }
-
-  return lines.join("\n");
-};
-
 export const charWidth = (() => {
   const cachedCharWidth: { [key: FontString]: Array<number> } = {};
 

packages/excalidraw/element/textWrapping.test.ts

@@ -0,0 +1,633 @@
+import { wrapText, parseTokens } from "./textWrapping";
+import type { FontString } from "./types";
+
+describe("Test wrapText", () => {
+  // font is irrelevant as jsdom does not support FontFace API
+  // `measureText` width is mocked to return `text.length` by `jest-canvas-mock`
+  // https://github.com/hustcc/jest-canvas-mock/blob/master/src/classes/TextMetrics.js
+  const font = "10px Cascadia, Segoe UI Emoji" as FontString;
+
+  it("should wrap the text correctly when word length is exactly equal to max width", () => {
+    const text = "Hello Excalidraw";
+    // Length of "Excalidraw" is 100 and exacty equal to max width
+    const res = wrapText(text, font, 100);
+    expect(res).toEqual(`Hello\nExcalidraw`);
+  });
+
+  it("should return the text as is if max width is invalid", () => {
+    const text = "Hello Excalidraw";
+    expect(wrapText(text, font, NaN)).toEqual(text);
+    expect(wrapText(text, font, -1)).toEqual(text);
+    expect(wrapText(text, font, Infinity)).toEqual(text);
+  });
+
+  it("should show the text correctly when max width reached", () => {
+    const text = "Hello😀";
+    const maxWidth = 10;
+    const res = wrapText(text, font, maxWidth);
+    expect(res).toBe("H\ne\nl\nl\no\n😀");
+  });
+
+  it("should not wrap number when wrapping line", () => {
+    const text = "don't wrap this number 99,100.99";
+    const maxWidth = 300;
+    const res = wrapText(text, font, maxWidth);
+    expect(res).toBe("don't wrap this number\n99,100.99");
+  });
+
+  it("should trim all trailing whitespaces", () => {
+    const text = "Hello     ";
+    const maxWidth = 50;
+    const res = wrapText(text, font, maxWidth);
+    expect(res).toBe("Hello");
+  });
+
+  it("should trim all but one trailing whitespaces", () => {
+    const text = "Hello     ";
+    const maxWidth = 60;
+    const res = wrapText(text, font, maxWidth);
+    expect(res).toBe("Hello ");
+  });
+
+  it("should keep preceding whitespaces and trim all trailing whitespaces", () => {
+    const text = "  Hello  World";
+    const maxWidth = 90;
+    const res = wrapText(text, font, maxWidth);
+    expect(res).toBe("  Hello\nWorld");
+  });
+
+  it("should keep some preceding whitespaces, trim trailing whitespaces, but kep those that fit in the trailing line", () => {
+    const text = "   Hello  World            ";
+    const maxWidth = 90;
+    const res = wrapText(text, font, maxWidth);
+    expect(res).toBe("   Hello\nWorld    ");
+  });
+
+  it("should trim keep those whitespace that fit in the trailing line", () => {
+    const text = "Hello   Wo rl  d                     ";
+    const maxWidth = 100;
+    const res = wrapText(text, font, maxWidth);
+    expect(res).toBe("Hello   Wo\nrl  d     ");
+  });
+
+  it("should support multiple (multi-codepoint) emojis", () => {
+    const text = "😀🗺🔥👩🏽‍🦰👨‍👩‍👧‍👦🇨🇿";
+    const maxWidth = 1;
+    const res = wrapText(text, font, maxWidth);
+    expect(res).toBe("😀\n🗺\n🔥\n👩🏽‍🦰\n👨‍👩‍👧‍👦\n🇨🇿");
+  });
+
+  it("should wrap the text correctly when text contains hyphen", () => {
+    let text =
+      "Wikipedia is hosted by Wikimedia- Foundation, a non-profit organization that also hosts a range-of other projects";
+    const res = wrapText(text, font, 110);
+    expect(res).toBe(
+      `Wikipedia\nis hosted\nby\nWikimedia-\nFoundation,\na non-\nprofit\norganizatio\nn that also\nhosts a\nrange-of\nother\nprojects`,
+    );
+
+    text = "Hello thereusing-now";
+    expect(wrapText(text, font, 100)).toEqual("Hello\nthereusing\n-now");
+  });
+
+  it("should support wrapping nested lists", () => {
+    const text = `\tA) one tab\t\t- two tabs        - 8 spaces`;
+
+    const maxWidth = 100;
+    const res = wrapText(text, font, maxWidth);
+    expect(res).toBe(`\tA) one\ntab\t\t- two\ntabs\n- 8 spaces`);
+
+    const maxWidth2 = 50;
+    const res2 = wrapText(text, font, maxWidth2);
+    expect(res2).toBe(`\tA)\none\ntab\n- two\ntabs\n- 8\nspace\ns`);
+  });
+
+  describe("When text is CJK", () => {
+    it("should break each CJK character when width is very small", () => {
+      // "안녕하세요" (Hangul) + "こんにちは世界" (Hiragana, Kanji) + "ｺﾝﾆﾁハ" (Katakana) + "你好" (Han) = "Hello Hello World Hello Hi"
+      const text = "안녕하세요こんにちは世界ｺﾝﾆﾁハ你好";
+      const maxWidth = 10;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe(
+        "안\n녕\n하\n세\n요\nこ\nん\nに\nち\nは\n世\n界\nｺ\nﾝ\nﾆ\nﾁ\nハ\n你\n好",
+      );
+    });
+
+    it("should break CJK text into longer segments when width is larger", () => {
+      // "안녕하세요" (Hangul) + "こんにちは世界" (Hiragana, Kanji) + "ｺﾝﾆﾁハ" (Katakana) + "你好" (Han) = "Hello Hello World Hello Hi"
+      const text = "안녕하세요こんにちは世界ｺﾝﾆﾁハ你好";
+      const maxWidth = 30;
+      const res = wrapText(text, font, maxWidth);
+
+      // measureText is mocked, so it's not precisely what would happen in prod
+      expect(res).toBe("안녕하\n세요こ\nんにち\nは世界\nｺﾝﾆ\nﾁハ你\n好");
+    });
+
+    it("should handle a combination of CJK, latin, emojis and whitespaces", () => {
+      const text = `a醫 醫      bb  你好  world-i-😀🗺🔥`;
+
+      const maxWidth = 150;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe(`a醫 醫      bb  你\n好  world-i-😀🗺\n🔥`);
+
+      const maxWidth2 = 50;
+      const res2 = wrapText(text, font, maxWidth2);
+      expect(res2).toBe(`a醫 醫\nbb  你\n好\nworld\n-i-😀\n🗺🔥`);
+
+      const maxWidth3 = 30;
+      const res3 = wrapText(text, font, maxWidth3);
+      expect(res3).toBe(`a醫\n醫\nbb\n你好\nwor\nld-\ni-\n😀\n🗺\n🔥`);
+    });
+
+    it("should break before and after a regular CJK character", () => {
+      const text = "HelloたWorld";
+      const maxWidth1 = 50;
+      const res1 = wrapText(text, font, maxWidth1);
+      expect(res1).toBe("Hello\nた\nWorld");
+
+      const maxWidth2 = 60;
+      const res2 = wrapText(text, font, maxWidth2);
+      expect(res2).toBe("Helloた\nWorld");
+    });
+
+    it("should break before and after certain CJK symbols", () => {
+      const text = "こんにちは〃世界";
+      const maxWidth1 = 50;
+      const res1 = wrapText(text, font, maxWidth1);
+      expect(res1).toBe("こんにちは\n〃世界");
+
+      const maxWidth2 = 60;
+      const res2 = wrapText(text, font, maxWidth2);
+      expect(res2).toBe("こんにちは〃\n世界");
+    });
+
+    it("should break after, not before for certain CJK pairs", () => {
+      const text = "Hello た。";
+      const maxWidth = 70;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe("Hello\nた。");
+    });
+
+    it("should break before, not after for certain CJK pairs", () => {
+      const text = "Hello「たWorld」";
+      const maxWidth = 60;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe("Hello\n「た\nWorld」");
+    });
+
+    it("should break after, not before for certain CJK character pairs", () => {
+      const text = "「Helloた」World";
+      const maxWidth = 70;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe("「Hello\nた」World");
+    });
+
+    it("should break Chinese sentences", () => {
+      const text = `中国你好！这是一个测试。
+我们来看看：人民币¥1234「很贵」
+（括号）、逗号，句号。空格 换行　全角符号…—`;
+
+      const maxWidth1 = 80;
+      const res1 = wrapText(text, font, maxWidth1);
+      expect(res1).toBe(`中国你好！这是一\n个测试。
+我们来看看：人民\n币¥1234「很\n贵」
+（括号）、逗号，\n句号。空格 换行\n全角符号…—`);
+
+      const maxWidth2 = 50;
+      const res2 = wrapText(text, font, maxWidth2);
+      expect(res2).toBe(`中国你好！\n这是一个测\n试。
+我们来看\n看：人民币\n¥1234\n「很贵」
+（括号）、\n逗号，句\n号。空格\n换行　全角\n符号…—`);
+    });
+
+    it("should break Japanese sentences", () => {
+      const text = `日本こんにちは！これはテストです。
+  見てみましょう：円￥1234「高い」
+  （括弧）、読点、句点。
+  空白 改行　全角記号…ー`;
+
+      const maxWidth1 = 80;
+      const res1 = wrapText(text, font, maxWidth1);
+      expect(res1).toBe(`日本こんにちは！\nこれはテストで\nす。
+  見てみましょ\nう：円￥1234\n「高い」
+  （括弧）、読\n点、句点。
+  空白 改行\n全角記号…ー`);
+
+      const maxWidth2 = 50;
+      const res2 = wrapText(text, font, maxWidth2);
+      expect(res2).toBe(`日本こんに\nちは！これ\nはテストで\nす。
+  見てみ\nましょう：\n円\n￥1234\n「高い」
+  （括\n弧）、読\n点、句点。
+  空白\n改行　全角\n記号…ー`);
+    });
+
+    it("should break Korean sentences", () => {
+      const text = `한국 안녕하세요! 이것은 테스트입니다.
+우리 보자: 원화₩1234「비싸다」
+(괄호), 쉼표, 마침표.
+공백 줄바꿈　전각기호…—`;
+
+      const maxWidth1 = 80;
+      const res1 = wrapText(text, font, maxWidth1);
+      expect(res1).toBe(`한국 안녕하세\n요! 이것은 테\n스트입니다.
+우리 보자: 원\n화₩1234「비\n싸다」
+(괄호), 쉼\n표, 마침표.
+공백 줄바꿈　전\n각기호…—`);
+
+      const maxWidth2 = 60;
+      const res2 = wrapText(text, font, maxWidth2);
+      expect(res2).toBe(`한국 안녕하\n세요! 이것\n은 테스트입\n니다.
+우리 보자:\n원화\n₩1234\n「비싸다」
+(괄호),\n쉼표, 마침\n표.
+공백 줄바꿈\n전각기호…—`);
+    });
+  });
+
+  describe("When text contains leading whitespaces", () => {
+    const text = "  \t   Hello world";
+
+    it("should preserve leading whitespaces", () => {
+      const maxWidth = 120;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe("  \t   Hello\nworld");
+    });
+
+    it("should break and collapse leading whitespaces when line breaks", () => {
+      const maxWidth = 60;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe("\nHello\nworld");
+    });
+
+    it("should break and collapse leading whitespaces whe words break", () => {
+      const maxWidth = 30;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe("\nHel\nlo\nwor\nld");
+    });
+  });
+
+  describe("When text contains trailing whitespaces", () => {
+    it("shouldn't add new lines for trailing spaces", () => {
+      const text = "Hello whats up     ";
+      const maxWidth = 190;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe(text);
+    });
+
+    it("should ignore trailing whitespaces when line breaks", () => {
+      const text = "Hippopotomonstrosesquippedaliophobia        ??????";
+      const maxWidth = 400;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe("Hippopotomonstrosesquippedaliophobia\n??????");
+    });
+
+    it("should not ignore trailing whitespaces when word breaks", () => {
+      const text = "Hippopotomonstrosesquippedaliophobia        ??????";
+      const maxWidth = 300;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe("Hippopotomonstrosesquippedalio\nphobia        ??????");
+    });
+
+    it("should ignore trailing whitespaces when word breaks and line breaks", () => {
+      const text = "Hippopotomonstrosesquippedaliophobia        ??????";
+      const maxWidth = 180;
+      const res = wrapText(text, font, maxWidth);
+      expect(res).toBe("Hippopotomonstrose\nsquippedaliophobia\n??????");
+    });
+  });
+
+  describe("When text doesn't contain new lines", () => {
+    const text = "Hello whats up";
+
+    [
+      {
+        desc: "break all words when width of each word is less than container width",
+        width: 70,
+        res: `Hello\nwhats\nup`,
+      },
+      {
+        desc: "break all characters when width of each character is less than container width",
+        width: 15,
+        res: `H\ne\nl\nl\no\nw\nh\na\nt\ns\nu\np`,
+      },
+      {
+        desc: "break words as per the width",
+
+        width: 130,
+        res: `Hello whats\nup`,
+      },
+      {
+        desc: "fit the container",
+
+        width: 240,
+        res: "Hello whats up",
+      },
+      {
+        desc: "push the word if its equal to max width",
+        width: 50,
+        res: `Hello\nwhats\nup`,
+      },
+    ].forEach((data) => {
+      it(`should ${data.desc}`, () => {
+        const res = wrapText(text, font, data.width);
+        expect(res).toEqual(data.res);
+      });
+    });
+  });
+
+  describe("When text contain new lines", () => {
+    const text = `Hello\n  whats up`;
+    [
+      {
+        desc: "break all words when width of each word is less than container width",
+        width: 70,
+        res: `Hello\n  whats\nup`,
+      },
+      {
+        desc: "break all characters when width of each character is less than container width",
+        width: 15,
+        res: `H\ne\nl\nl\no\n\nw\nh\na\nt\ns\nu\np`,
+      },
+      {
+        desc: "break words as per the width",
+        width: 140,
+        res: `Hello\n  whats up`,
+      },
+    ].forEach((data) => {
+      it(`should respect new lines and ${data.desc}`, () => {
+        const res = wrapText(text, font, data.width);
+        expect(res).toEqual(data.res);
+      });
+    });
+  });
+
+  describe("When text is long", () => {
+    const text = `hellolongtextthisiswhatsupwithyouIamtypingggggandtypinggg break it now`;
+    [
+      {
+        desc: "fit characters of long string as per container width",
+        width: 160,
+        res: `hellolongtextthi\nsiswhatsupwithyo\nuIamtypingggggan\ndtypinggg break\nit now`,
+      },
+      {
+        desc: "fit characters of long string as per container width and break words as per the width",
+
+        width: 120,
+        res: `hellolongtex\ntthisiswhats\nupwithyouIam\ntypingggggan\ndtypinggg\nbreak it now`,
+      },
+      {
+        desc: "fit the long text when container width is greater than text length and move the rest to next line",
+
+        width: 590,
+        res: `hellolongtextthisiswhatsupwithyouIamtypingggggandtypinggg\nbreak it now`,
+      },
+    ].forEach((data) => {
+      it(`should ${data.desc}`, () => {
+        const res = wrapText(text, font, data.width);
+        expect(res).toEqual(data.res);
+      });
+    });
+  });
+
+  describe("Test parseTokens", () => {
+    it("should tokenize latin", () => {
+      let text = "Excalidraw is a virtual collaborative whiteboard";
+
+      expect(parseTokens(text)).toEqual([
+        "Excalidraw",
+        " ",
+        "is",
+        " ",
+        "a",
+        " ",
+        "virtual",
+        " ",
+        "collaborative",
+        " ",
+        "whiteboard",
+      ]);
+
+      text =
+        "Wikipedia is hosted by Wikimedia- Foundation, a non-profit organization that also hosts a range-of other projects";
+      expect(parseTokens(text)).toEqual([
+        "Wikipedia",
+        " ",
+        "is",
+        " ",
+        "hosted",
+        " ",
+        "by",
+        " ",
+        "Wikimedia-",
+        " ",
+        "Foundation,",
+        " ",
+        "a",
+        " ",
+        "non-",
+        "profit",
+        " ",
+        "organization",
+        " ",
+        "that",
+        " ",
+        "also",
+        " ",
+        "hosts",
+        " ",
+        "a",
+        " ",
+        "range-",
+        "of",
+        " ",
+        "other",
+        " ",
+        "projects",
+      ]);
+    });
+
+    it("should not tokenize number", () => {
+      const text = "99,100.99";
+      const tokens = parseTokens(text);
+      expect(tokens).toEqual(["99,100.99"]);
+    });
+
+    it("should tokenize joined emojis", () => {
+      const text = `😬🌍🗺🔥☂️👩🏽‍🦰👨‍👩‍👧‍👦👩🏾‍🔬🏳️‍🌈🧔‍♀️🧑‍🤝‍🧑🙅🏽‍♂️✅0️⃣🇨🇿🦅`;
+      const tokens = parseTokens(text);
+
+      expect(tokens).toEqual([
+        "😬",
+        "🌍",
+        "🗺",
+        "🔥",
+        "☂️",
+        "👩🏽‍🦰",
+        "👨‍👩‍👧‍👦",
+        "👩🏾‍🔬",
+        "🏳️‍🌈",
+        "🧔‍♀️",
+        "🧑‍🤝‍🧑",
+        "🙅🏽‍♂️",
+        "✅",
+        "0️⃣",
+        "🇨🇿",
+        "🦅",
+      ]);
+    });
+
+    it("should tokenize emojis mixed with mixed text", () => {
+      const text = `😬a🌍b🗺c🔥d☂️《👩🏽‍🦰》👨‍👩‍👧‍👦德👩🏾‍🔬こ🏳️‍🌈안🧔‍♀️g🧑‍🤝‍🧑h🙅🏽‍♂️e✅f0️⃣g🇨🇿10🦅#hash`;
+      const tokens = parseTokens(text);
+
+      expect(tokens).toEqual([
+        "😬",
+        "a",
+        "🌍",
+        "b",
+        "🗺",
+        "c",
+        "🔥",
+        "d",
+        "☂️",
+        "《",
+        "👩🏽‍🦰",
+        "》",
+        "👨‍👩‍👧‍👦",
+        "德",
+        "👩🏾‍🔬",
+        "こ",
+        "🏳️‍🌈",
+        "안",
+        "🧔‍♀️",
+        "g",
+        "🧑‍🤝‍🧑",
+        "h",
+        "🙅🏽‍♂️",
+        "e",
+        "✅",
+        "f0️⃣g", // bummer, but ok, as we traded kecaps not breaking (less common) for hash and numbers not breaking (more common)
+        "🇨🇿",
+        "10", // nice! do not break the number, as it's by default matched by \p{Emoji}
+        "🦅",
+        "#hash", // nice! do not break the hash, as it's by default matched by \p{Emoji}
+      ]);
+    });
+
+    it("should tokenize decomposed chars into their composed variants", () => {
+      // each input character is in a decomposed form
+      const text = "čでäぴέ다й한";
+      expect(text.normalize("NFC").length).toEqual(8);
+      expect(text).toEqual(text.normalize("NFD"));
+
+      const tokens = parseTokens(text);
+      expect(tokens.length).toEqual(8);
+      expect(tokens).toEqual(["č", "で", "ä", "ぴ", "έ", "다", "й", "한"]);
+    });
+
+    it("should tokenize artificial CJK", () => {
+      const text = `《道德經》醫-醫こんにちは世界！안녕하세요세계；요』,다.다...원/달(((다)))[[1]]〚({((한))>)〛(「た」)た…[Hello] \t　World？ニューヨーク・￥3700.55す。090-1234-5678￥1,000〜＄5,000「素晴らしい！」〔重要〕＃１：Taro君30％は、（たなばた）〰￥110±￥570で20℃〜9:30〜10:00【一番】`;
+      // [
+      //   '《道',      '德',        '經》',           '醫-',
+      //   '醫',        'こ',        'ん',             'に',
+      //   'ち',        'は',        '世',             '界！',
+      //   '안',        '녕',        '하',             '세',
+      //   '요',        '세',        '계；',           '요』,',
+      //   '다.',       '다...',     '원/',            '달',
+      //   '(((다)))',  '[[1]]',     '〚({((한))>)〛', '(「た」)',
+      //   'た…',       '[Hello]',   ' ',              '\t',
+      //   '　',        'World？',   'ニ',             'ュ',
+      //   'ー',        'ヨ',        'ー',             'ク・',
+      //   '￥3700.55', 'す。',      '090-',           '1234-',
+      //   '5678',      '￥1,000〜', '＄5,000',        '「素',
+      //   '晴',        'ら',        'し',             'い！」',
+      //   '〔重',      '要〕',      '＃',             '１：',
+      //   'Taro',      '君',        '30％',           'は、',
+      //   '（た',      'な',        'ば',             'た）',
+      //   '〰',        '￥110±',    '￥570',          'で',
+      //   '20℃〜',     '9:30〜',    '10:00',          '【一',
+      //   '番】'
+      // ]
+      const tokens = parseTokens(text);
+
+      // Latin
+      expect(tokens).toContain("[[1]]");
+      expect(tokens).toContain("[Hello]");
+      expect(tokens).toContain("World？");
+      expect(tokens).toContain("Taro");
+
+      // Chinese
+      expect(tokens).toContain("《道");
+      expect(tokens).toContain("德");
+      expect(tokens).toContain("經》");
+      expect(tokens).toContain("醫-");
+      expect(tokens).toContain("醫");
+
+      // Japanese
+      expect(tokens).toContain("こ");
+      expect(tokens).toContain("ん");
+      expect(tokens).toContain("に");
+      expect(tokens).toContain("ち");
+      expect(tokens).toContain("は");
+      expect(tokens).toContain("世");
+      expect(tokens).toContain("ク・");
+      expect(tokens).toContain("界！");
+      expect(tokens).toContain("た…");
+      expect(tokens).toContain("す。");
+      expect(tokens).toContain("ュ");
+      expect(tokens).toContain("「素");
+      expect(tokens).toContain("晴");
+      expect(tokens).toContain("ら");
+      expect(tokens).toContain("し");
+      expect(tokens).toContain("い！」");
+      expect(tokens).toContain("君");
+      expect(tokens).toContain("は、");
+      expect(tokens).toContain("（た");
+      expect(tokens).toContain("な");
+      expect(tokens).toContain("ば");
+      expect(tokens).toContain("た）");
+      expect(tokens).toContain("で");
+      expect(tokens).toContain("【一");
+      expect(tokens).toContain("番】");
+
+      // Check for Korean
+      expect(tokens).toContain("안");
+      expect(tokens).toContain("녕");
+      expect(tokens).toContain("하");
+      expect(tokens).toContain("세");
+      expect(tokens).toContain("요");
+      expect(tokens).toContain("세");
+      expect(tokens).toContain("계；");
+      expect(tokens).toContain("요』,");
+      expect(tokens).toContain("다.");
+      expect(tokens).toContain("다...");
+      expect(tokens).toContain("원/");
+      expect(tokens).toContain("달");
+      expect(tokens).toContain("(((다)))");
+      expect(tokens).toContain("〚({((한))>)〛");
+      expect(tokens).toContain("(「た」)");
+
+      // Numbers and units
+      expect(tokens).toContain("￥3700.55");
+      expect(tokens).toContain("090-");
+      expect(tokens).toContain("1234-");
+      expect(tokens).toContain("5678");
+      expect(tokens).toContain("￥1,000〜");
+      expect(tokens).toContain("＄5,000");
+      expect(tokens).toContain("１：");
+      expect(tokens).toContain("30％");
+      expect(tokens).toContain("￥110±");
+      expect(tokens).toContain("20℃〜");
+      expect(tokens).toContain("9:30〜");
+      expect(tokens).toContain("10:00");
+
+      // Punctuation and symbols
+      expect(tokens).toContain(" ");
+      expect(tokens).toContain("\t");
+      expect(tokens).toContain("　");
+      expect(tokens).toContain("ニ");
+      expect(tokens).toContain("ー");
+      expect(tokens).toContain("ヨ");
+      expect(tokens).toContain("〰");
+      expect(tokens).toContain("＃");
+    });
+  });
+});

packages/excalidraw/element/textWrapping.ts

@@ -0,0 +1,568 @@
+import { ENV } from "../constants";
+import { charWidth, getLineWidth } from "./textElement";
+import type { FontString } from "./types";
+
+let cachedCjkRegex: RegExp | undefined;
+let cachedLineBreakRegex: RegExp | undefined;
+let cachedEmojiRegex: RegExp | undefined;
+
+/**
+ * Test if a given text contains any CJK characters (including symbols, punctuation, etc,).
+ */
+export const containsCJK = (text: string) => {
+  if (!cachedCjkRegex) {
+    cachedCjkRegex = Regex.class(...Object.values(CJK));
+  }
+
+  return cachedCjkRegex.test(text);
+};
+
+const getLineBreakRegex = () => {
+  if (!cachedLineBreakRegex) {
+    try {
+      cachedLineBreakRegex = getLineBreakRegexAdvanced();
+    } catch {
+      cachedLineBreakRegex = getLineBreakRegexSimple();
+    }
+  }
+
+  return cachedLineBreakRegex;
+};
+
+const getEmojiRegex = () => {
+  if (!cachedEmojiRegex) {
+    cachedEmojiRegex = getEmojiRegexUnicode();
+  }
+
+  return cachedEmojiRegex;
+};
+
+/**
+ * Common symbols used across different languages.
+ */
+const COMMON = {
+  /**
+   * Natural breaking points for any grammars.
+   *
+   * Hello world
+   *      ↑ BREAK ALWAYS " " → ["Hello", " ", "world"]
+   * Hello-world
+   *       ↑ BREAK AFTER "-" → ["Hello-", "world"]
+   */
+  WHITESPACE: /\s/u,
+  HYPHEN: /-/u,
+  /**
+   * Generally do not break, unless closed symbol is followed by an opening symbol.
+   *
+   * Also, western punctation is often used in modern Korean and expects to be treated
+   * similarly to the CJK opening and closing symbols.
+   *
+   * Hello(한글)→ ["Hello", "(한", "글)"]
+   *      ↑ BREAK BEFORE "("
+   *          ↑ BREAK AFTER ")"
+   */
+  OPENING: /<\(\[\{/u,
+  CLOSING: />\)\]\}.,:;!\?…\//u,
+};
+
+/**
+ * Characters and symbols used in Chinese, Japanese and Korean.
+ */
+const CJK = {
+  /**
+   * Every CJK breaks before and after, unless it's paired with an opening or closing symbol.
+   *
+   * Does not include every possible char used in CJK texts, such as currency, parentheses or punctuation.
+   */
+  CHAR: /\p{Script=Han}\p{Script=Hiragana}\p{Script=Katakana}\p{Script=Hangul}｀＇＾〃〰〆＃＆＊＋－ー／＼＝｜￤〒￢￣/u,
+  /**
+   * Opening and closing CJK punctuation breaks before and after all such characters (in case of many),
+   * and creates pairs with neighboring characters.
+   *
+   * Hello た。→ ["Hello", "た。"]
+   *        ↑ DON'T BREAK "た。"
+   * * Hello「た」 World → ["Hello", "「た」", "World"]
+   *       ↑ DON'T BREAK "「た"
+   *        ↑ DON'T BREAK "た"
+   *      ↑ BREAK BEFORE "「"
+   *         ↑ BREAK AFTER "」"
+   */
+  // eslint-disable-next-line prettier/prettier
+  OPENING:/（［｛〈《｟｢「『【〖〔〘〚＜〝/u,
+  CLOSING: /）］｝〉》｠｣」』】〗〕〙〛＞。．，、〟‥？！：；・〜〞/u,
+  /**
+   * Currency symbols break before, not after
+   *
+   * Price￥100 → ["Price", "￥100"]
+   *      ↑ BREAK BEFORE "￥"
+   */
+  CURRENCY: /￥￦￡￠＄/u,
+};
+
+const EMOJI = {
+  FLAG: /\p{RI}\p{RI}/u,
+  JOINER:
+    /(?:\p{Emoji_Modifier}|\uFE0F\u20E3?|[\u{E0020}-\u{E007E}]+\u{E007F})?/u,
+  ZWJ: /\u200D/u,
+  ANY: /[\p{Emoji}]/u,
+  MOST: /[\p{Extended_Pictographic}\p{Emoji_Presentation}]/u,
+};
+
+/**
+ * Simple fallback for browsers (mainly Safari < 16.4) that don't support "Lookbehind assertion".
+ *
+ * Browser support as of 10/2024:
+ * - 91% Lookbehind assertion https://caniuse.com/mdn-javascript_regular_expressions_lookbehind_assertion
+ * - 94% Unicode character class escape https://caniuse.com/mdn-javascript_regular_expressions_unicode_character_class_escape
+ *
+ * Does not include advanced CJK breaking rules, but covers most of the core cases, especially for latin.
+ */
+const getLineBreakRegexSimple = () =>
+  Regex.or(
+    getEmojiRegex(),
+    Break.On(COMMON.HYPHEN, COMMON.WHITESPACE, CJK.CHAR),
+  );
+
+/**
+ * Specifies the line breaking rules based for alphabetic-based languages,
+ * Chinese, Japanese, Korean and Emojis.
+ *
+ * "Hello-world" → ["Hello-", "world"]
+ * "Hello 「世界。」🌎🗺" → ["Hello", " ", "「世", "界。」", "🌎", "🗺"]
+ */
+const getLineBreakRegexAdvanced = () =>
+  Regex.or(
+    // Unicode-defined regex for (multi-codepoint) Emojis
+    getEmojiRegex(),
+    // Rules for whitespace and hyphen
+    Break.Before(COMMON.WHITESPACE).Build(),
+    Break.After(COMMON.WHITESPACE, COMMON.HYPHEN).Build(),
+    // Rules for CJK (chars, symbols, currency)
+    Break.Before(CJK.CHAR, CJK.CURRENCY)
+      .NotPrecededBy(COMMON.OPENING, CJK.OPENING)
+      .Build(),
+    Break.After(CJK.CHAR)
+      .NotFollowedBy(COMMON.HYPHEN, COMMON.CLOSING, CJK.CLOSING)
+      .Build(),
+    // Rules for opening and closing punctuation
+    Break.BeforeMany(CJK.OPENING).NotPrecededBy(COMMON.OPENING).Build(),
+    Break.AfterMany(CJK.CLOSING).NotFollowedBy(COMMON.CLOSING).Build(),
+    Break.AfterMany(COMMON.CLOSING).FollowedBy(COMMON.OPENING).Build(),
+  );
+
+/**
+ * Matches various emoji types.
+ *
+ * 1. basic emojis (😀, 🌍)
+ * 2. flags (🇨🇿)
+ * 3. multi-codepoint emojis:
+ *    - skin tones (👍🏽)
+ *    - variation selectors (☂️)
+ *    - keycaps (1️⃣)
+ *    - tag sequences (🏴󠁧󠁢󠁥󠁮󠁧󠁿)
+ *    - emoji sequences (👨‍👩‍👧‍👦, 👩‍🚀, 🏳️‍🌈)
+ *
+ * Unicode points:
+ * - \uFE0F: presentation selector
+ * - \u20E3: enclosing keycap
+ * - \u200D: zero width joiner
+ * - \u{E0020}-\u{E007E}: tags
+ * - \u{E007F}: cancel tag
+ *
+ * @see https://unicode.org/reports/tr51/#EBNF_and_Regex, with changes:
+ * - replaced \p{Emoji} with [\p{Extended_Pictographic}\p{Emoji_Presentation}], see more in `should tokenize emojis mixed with mixed text` test
+ * - replaced \p{Emod} with \p{Emoji_Modifier} as some engines do not understand the abbreviation (i.e. https://devina.io/redos-checker)
+ */
+const getEmojiRegexUnicode = () =>
+  Regex.group(
+    Regex.or(
+      EMOJI.FLAG,
+      Regex.and(
+        EMOJI.MOST,
+        EMOJI.JOINER,
+        Regex.build(
+          `(?:${EMOJI.ZWJ.source}(?:${EMOJI.FLAG.source}|${EMOJI.ANY.source}${EMOJI.JOINER.source}))*`,
+        ),
+      ),
+    ),
+  );
+
+/**
+ * Regex utilities for unicode character classes.
+ */
+const Regex = {
+  /**
+   * Builds a regex from a string.
+   */
+  build: (regex: string): RegExp => new RegExp(regex, "u"),
+  /**
+   * Joins regexes into a single string.
+   */
+  join: (...regexes: RegExp[]): string => regexes.map((x) => x.source).join(""),
+  /**
+   * Joins regexes into a single regex as with "and" operator.
+   */
+  and: (...regexes: RegExp[]): RegExp => Regex.build(Regex.join(...regexes)),
+  /**
+   * Joins regexes into a single regex with "or" operator.
+   */
+  or: (...regexes: RegExp[]): RegExp =>
+    Regex.build(regexes.map((x) => x.source).join("|")),
+  /**
+   * Puts regexes into a matching group.
+   */
+  group: (...regexes: RegExp[]): RegExp =>
+    Regex.build(`(${Regex.join(...regexes)})`),
+  /**
+   * Puts regexes into a character class.
+   */
+  class: (...regexes: RegExp[]): RegExp =>
+    Regex.build(`[${Regex.join(...regexes)}]`),
+};
+
+/**
+ * Human-readable lookahead and lookbehind utilities for defining line break
+ * opportunities between pairs of character classes.
+ */
+const Break = {
+  /**
+   * Break on the given class of characters.
+   */
+  On: (...regexes: RegExp[]) => {
+    const joined = Regex.join(...regexes);
+    return Regex.build(`([${joined}])`);
+  },
+  /**
+   * Break before the given class of characters.
+   */
+  Before: (...regexes: RegExp[]) => {
+    const joined = Regex.join(...regexes);
+    const builder = () => Regex.build(`(?=[${joined}])`);
+    return Break.Chain(builder) as Omit<
+      ReturnType<typeof Break.Chain>,
+      "FollowedBy"
+    >;
+  },
+  /**
+   * Break after the given class of characters.
+   */
+  After: (...regexes: RegExp[]) => {
+    const joined = Regex.join(...regexes);
+    const builder = () => Regex.build(`(?<=[${joined}])`);
+    return Break.Chain(builder) as Omit<
+      ReturnType<typeof Break.Chain>,
+      "PreceededBy"
+    >;
+  },
+  /**
+   * Break before one or multiple characters of the same class.
+   */
+  BeforeMany: (...regexes: RegExp[]) => {
+    const joined = Regex.join(...regexes);
+    const builder = () => Regex.build(`(?<![${joined}])(?=[${joined}])`);
+    return Break.Chain(builder) as Omit<
+      ReturnType<typeof Break.Chain>,
+      "FollowedBy"
+    >;
+  },
+  /**
+   * Break after one or multiple character from the same class.
+   */
+  AfterMany: (...regexes: RegExp[]) => {
+    const joined = Regex.join(...regexes);
+    const builder = () => Regex.build(`(?<=[${joined}])(?![${joined}])`);
+    return Break.Chain(builder) as Omit<
+      ReturnType<typeof Break.Chain>,
+      "PreceededBy"
+    >;
+  },
+  /**
+   * Do not break before the given class of characters.
+   */
+  NotBefore: (...regexes: RegExp[]) => {
+    const joined = Regex.join(...regexes);
+    const builder = () => Regex.build(`(?![${joined}])`);
+    return Break.Chain(builder) as Omit<
+      ReturnType<typeof Break.Chain>,
+      "NotFollowedBy"
+    >;
+  },
+  /**
+   * Do not break after the given class of characters.
+   */
+  NotAfter: (...regexes: RegExp[]) => {
+    const joined = Regex.join(...regexes);
+    const builder = () => Regex.build(`(?<![${joined}])`);
+    return Break.Chain(builder) as Omit<
+      ReturnType<typeof Break.Chain>,
+      "NotPrecededBy"
+    >;
+  },
+  Chain: (rootBuilder: () => RegExp) => ({
+    /**
+     * Build the root regex.
+     */
+    Build: rootBuilder,
+    /**
+     * Specify additional class of characters that should precede the root regex.
+     */
+    PreceededBy: (...regexes: RegExp[]) => {
+      const root = rootBuilder();
+      const preceeded = Break.After(...regexes).Build();
+      const builder = () => Regex.and(preceeded, root);
+      return Break.Chain(builder) as Omit<
+        ReturnType<typeof Break.Chain>,
+        "PreceededBy"
+      >;
+    },
+    /**
+     * Specify additional class of characters that should follow the root regex.
+     */
+    FollowedBy: (...regexes: RegExp[]) => {
+      const root = rootBuilder();
+      const followed = Break.Before(...regexes).Build();
+      const builder = () => Regex.and(root, followed);
+      return Break.Chain(builder) as Omit<
+        ReturnType<typeof Break.Chain>,
+        "FollowedBy"
+      >;
+    },
+    /**
+     * Specify additional class of characters that should not precede the root regex.
+     */
+    NotPrecededBy: (...regexes: RegExp[]) => {
+      const root = rootBuilder();
+      const notPreceeded = Break.NotAfter(...regexes).Build();
+      const builder = () => Regex.and(notPreceeded, root);
+      return Break.Chain(builder) as Omit<
+        ReturnType<typeof Break.Chain>,
+        "NotPrecededBy"
+      >;
+    },
+    /**
+     * Specify additional class of characters that should not follow the root regex.
+     */
+    NotFollowedBy: (...regexes: RegExp[]) => {
+      const root = rootBuilder();
+      const notFollowed = Break.NotBefore(...regexes).Build();
+      const builder = () => Regex.and(root, notFollowed);
+      return Break.Chain(builder) as Omit<
+        ReturnType<typeof Break.Chain>,
+        "NotFollowedBy"
+      >;
+    },
+  }),
+};
+
+/**
+ * Breaks the line into the tokens based on the found line break opporutnities.
+ */
+export const parseTokens = (line: string) => {
+  const breakLineRegex = getLineBreakRegex();
+
+  // normalizing to single-codepoint composed chars due to canonical equivalence
+  // of multi-codepoint versions for chars like č, で (~ so that we don't break a line in between c and ˇ)
+  // filtering due to multi-codepoint chars like 👨‍👩‍👧‍👦, 👩🏽‍🦰
+  return line.normalize("NFC").split(breakLineRegex).filter(Boolean);
+};
+
+/**
+ * Wraps the original text into the lines based on the given width.
+ */
+export const wrapText = (
+  text: string,
+  font: FontString,
+  maxWidth: number,
+): string => {
+  // if maxWidth is not finite or NaN which can happen in case of bugs in
+  // computation, we need to make sure we don't continue as we'll end up
+  // in an infinite loop
+  if (!Number.isFinite(maxWidth) || maxWidth < 0) {
+    return text;
+  }
+
+  const lines: Array<string> = [];
+  const originalLines = text.split("\n");
+
+  for (const originalLine of originalLines) {
+    const currentLineWidth = getLineWidth(originalLine, font, true);
+
+    if (currentLineWidth <= maxWidth) {
+      lines.push(originalLine);
+      continue;
+    }
+
+    const wrappedLine = wrapLine(originalLine, font, maxWidth);
+    lines.push(...wrappedLine);
+  }
+
+  return lines.join("\n");
+};
+
+/**
+ * Wraps the original line into the lines based on the given width.
+ */
+const wrapLine = (
+  line: string,
+  font: FontString,
+  maxWidth: number,
+): string[] => {
+  const lines: Array<string> = [];
+  const tokens = parseTokens(line);
+  const tokenIterator = tokens[Symbol.iterator]();
+
+  let currentLine = "";
+  let currentLineWidth = 0;
+
+  let iterator = tokenIterator.next();
+
+  while (!iterator.done) {
+    const token = iterator.value;
+    const testLine = currentLine + token;
+
+    // cache single codepoint whitespace, CJK or emoji width calc. as kerning should not apply here
+    const testLineWidth = isSingleCharacter(token)
+      ? currentLineWidth + charWidth.calculate(token, font)
+      : getLineWidth(testLine, font, true);
+
+    // build up the current line, skipping length check for possibly trailing whitespaces
+    if (/\s/.test(token) || testLineWidth <= maxWidth) {
+      currentLine = testLine;
+      currentLineWidth = testLineWidth;
+      iterator = tokenIterator.next();
+      continue;
+    }
+
+    // current line is empty => just the token (word) is longer than `maxWidth` and needs to be wrapped
+    if (!currentLine) {
+      const wrappedWord = wrapWord(token, font, maxWidth);
+      const trailingLine = wrappedWord[wrappedWord.length - 1] ?? "";
+      const precedingLines = wrappedWord.slice(0, -1);
+
+      lines.push(...precedingLines);
+
+      // trailing line of the wrapped word might still be joined with next token/s
+      currentLine = trailingLine;
+      currentLineWidth = getLineWidth(trailingLine, font, true);
+      iterator = tokenIterator.next();
+    } else {
+      // push & reset, but don't iterate on the next token, as we didn't use it yet!
+      lines.push(currentLine.trimEnd());
+
+      // purposefully not iterating and not setting `currentLine` to `token`, so that we could use a simple !currentLine check above
+      currentLine = "";
+      currentLineWidth = 0;
+    }
+  }
+
+  // iterator done, push the trailing line if exists
+  if (currentLine) {
+    const trailingLine = trimLine(currentLine, font, maxWidth);
+    lines.push(trailingLine);
+  }
+
+  return lines;
+};
+
+/**
+ * Wraps the word into the lines based on the given width.
+ */
+const wrapWord = (
+  word: string,
+  font: FontString,
+  maxWidth: number,
+): Array<string> => {
+  // multi-codepoint emojis are already broken apart and shouldn't be broken further
+  if (getEmojiRegex().test(word)) {
+    return [word];
+  }
+
+  satisfiesWordInvariant(word);
+
+  const lines: Array<string> = [];
+  const chars = Array.from(word);
+
+  let currentLine = "";
+  let currentLineWidth = 0;
+
+  for (const char of chars) {
+    const _charWidth = charWidth.calculate(char, font);
+    const testLineWidth = currentLineWidth + _charWidth;
+
+    if (testLineWidth <= maxWidth) {
+      currentLine = currentLine + char;
+      currentLineWidth = testLineWidth;
+      continue;
+    }
+
+    if (currentLine) {
+      lines.push(currentLine);
+    }
+
+    currentLine = char;
+    currentLineWidth = _charWidth;
+  }
+
+  if (currentLine) {
+    lines.push(currentLine);
+  }
+
+  return lines;
+};
+
+/**
+ * Similarly to browsers, does not trim all trailing whitespaces, but only those exceeding the `maxWidth`.
+ */
+const trimLine = (line: string, font: FontString, maxWidth: number) => {
+  const shouldTrimWhitespaces = getLineWidth(line, font, true) > maxWidth;
+
+  if (!shouldTrimWhitespaces) {
+    return line;
+  }
+
+  // defensively default to `trimeEnd` in case the regex does not match
+  let [, trimmedLine, whitespaces] = line.match(/^(.+?)(\s+)$/) ?? [
+    line,
+    line.trimEnd(),
+    "",
+  ];
+
+  let trimmedLineWidth = getLineWidth(trimmedLine, font, true);
+
+  for (const whitespace of Array.from(whitespaces)) {
+    const _charWidth = charWidth.calculate(whitespace, font);
+    const testLineWidth = trimmedLineWidth + _charWidth;
+
+    if (testLineWidth > maxWidth) {
+      break;
+    }
+
+    trimmedLine = trimmedLine + whitespace;
+    trimmedLineWidth = testLineWidth;
+  }
+
+  return trimmedLine;
+};
+
+/**
+ * Check if the given string is a single character.
+ *
+ * Handles multi-byte chars (é, 中) and purposefully does not handle multi-codepoint char (👨‍👩‍👧‍👦, 👩🏽‍🦰).
+ */
+const isSingleCharacter = (maybeSingleCharacter: string) => {
+  return (
+    maybeSingleCharacter.codePointAt(0) !== undefined &&
+    maybeSingleCharacter.codePointAt(1) === undefined
+  );
+};
+
+/**
+ * Invariant for the word wrapping algorithm.
+ */
+const satisfiesWordInvariant = (word: string) => {
+  if (import.meta.env.MODE === ENV.TEST || import.meta.env.DEV) {
+    if (/\s/.test(word)) {
+      throw new Error("Word should not contain any whitespaces!");
+    }
+  }
+};

packages/excalidraw/element/textWysiwyg.tsx

@@ -11,7 +11,7 @@ import {
   isBoundToContainer,
   isTextElement,
 } from "./typeChecks";
-import { CLASSES, isSafari, POINTER_BUTTON } from "../constants";
+import { CLASSES, POINTER_BUTTON } from "../constants";
 import type {
   ExcalidrawElement,
   ExcalidrawLinearElement,
@@ -27,13 +27,13 @@ import {
   getTextWidth,
   normalizeText,
   redrawTextBoundingBox,
-  wrapText,
   getBoundTextMaxHeight,
   getBoundTextMaxWidth,
   computeContainerDimensionForBoundText,
   computeBoundTextPosition,
   getBoundTextElement,
 } from "./textElement";
+import { wrapText } from "./textWrapping";
 import {
   actionDecreaseFontSize,
   actionIncreaseFontSize,
@@ -245,11 +245,6 @@ export const textWysiwyg = ({
 
       const font = getFontString(updatedTextElement);
 
-      // adding left and right padding buffer, so that browser does not cut the glyphs (does not work in Safari)
-      const padding = !isSafari
-        ? Math.ceil(updatedTextElement.fontSize / appState.zoom.value / 2)
-        : 0;
-
       // Make sure text editor height doesn't go beyond viewport
       const editorMaxHeight =
         (appState.height - viewportY) / appState.zoom.value;
@@ -259,7 +254,7 @@ export const textWysiwyg = ({
         lineHeight: updatedTextElement.lineHeight,
         width: `${width}px`,
         height: `${height}px`,
-        left: `${viewportX - padding}px`,
+        left: `${viewportX}px`,
         top: `${viewportY}px`,
         transform: getTransform(
           width,
@@ -269,7 +264,6 @@ export const textWysiwyg = ({
           maxWidth,
           editorMaxHeight,
         ),
-        padding: `0 ${padding}px`,
         textAlign,
         verticalAlign,
         color: updatedTextElement.strokeColor,
@@ -310,6 +304,7 @@ export const textWysiwyg = ({
     minHeight: "1em",
     backfaceVisibility: "hidden",
     margin: 0,
+    padding: 0,
     border: 0,
     outline: 0,
     resize: "none",

packages/excalidraw/errors.ts

@@ -50,6 +50,7 @@ export class WorkerUrlNotDefinedError extends Error {
     this.code = code;
   }
 }
+
 export class WorkerInTheMainChunkError extends Error {
   public code;
   constructor(
@@ -61,3 +62,14 @@ export class WorkerInTheMainChunkError extends Error {
     this.code = code;
   }
 }
+
+/**
+ * Use this for generic, handled errors, so you can check against them
+ * and rethrow if needed
+ */
+export class ExcalidrawError extends Error {
+  constructor(message: string) {
+    super(message);
+    this.name = "ExcalidrawError";
+  }
+}

packages/excalidraw/fonts/Fonts.ts

@@ -3,11 +3,14 @@ import {
   FONT_FAMILY_FALLBACKS,
   CJK_HAND_DRAWN_FALLBACK_FONT,
   WINDOWS_EMOJI_FALLBACK_FONT,
+  isSafari,
+  getFontFamilyFallbacks,
 } from "../constants";
 import { isTextElement } from "../element";
 import { charWidth, getContainerElement } from "../element/textElement";
+import { containsCJK } from "../element/textWrapping";
 import { ShapeCache } from "../scene/ShapeCache";
-import { getFontString } from "../utils";
+import { getFontString, PromisePool, promiseTry } from "../utils";
 import { ExcalidrawFontFace } from "./ExcalidrawFontFace";
 
 import { CascadiaFontFaces } from "./Cascadia";
@@ -73,6 +76,13 @@ export class Fonts {
     this.scene = scene;
   }
 
+  /**
+   * Get all the font families for the given scene.
+   */
+  public getSceneFamilies = () => {
+    return Fonts.getUniqueFamilies(this.scene.getNonDeletedElements());
+  };
+
   /**
    * if we load a (new) font, it's likely that text elements using it have
    * already been rendered using a fallback font. Thus, we want invalidate
@@ -81,7 +91,7 @@ export class Fonts {
    * Invalidates text elements and rerenders scene, provided that at least one
    * of the supplied fontFaces has not already been processed.
    */
-  public onLoaded = (fontFaces: readonly FontFace[]) => {
+  public onLoaded = (fontFaces: readonly FontFace[]): void => {
     // bail if all fonts with have been processed. We're checking just a
     // subset of the font properties (though it should be enough), so it
     // can technically bail on a false positive.
@@ -127,12 +137,40 @@ export class Fonts {
 
   /**
    * Load font faces for a given scene and trigger scene update.
+   *
+   * FontFaceSet loadingdone event we listen on may not always
+   * fire (looking at you Safari), so on init we manually load all
+   * fonts and rerender scene text elements once done.
+   *
+   * For Safari we make sure to check against each loaded font face
+   * with the unique characters per family in the scene,
+   * otherwise fonts might remain unloaded.
    */
   public loadSceneFonts = async (): Promise<FontFace[]> => {
     const sceneFamilies = this.getSceneFamilies();
-    const loaded = await Fonts.loadFontFaces(sceneFamilies);
-    this.onLoaded(loaded);
-    return loaded;
+    const charsPerFamily = isSafari
+      ? Fonts.getCharsPerFamily(this.scene.getNonDeletedElements())
+      : undefined;
+
+    return Fonts.loadFontFaces(sceneFamilies, charsPerFamily);
+  };
+
+  /**
+   * Load font faces for passed elements - use when the scene is unavailable (i.e. export).
+   *
+   * For Safari we make sure to check against each loaded font face,
+   * with the unique characters per family in the elements
+   * otherwise fonts might remain unloaded.
+   */
+  public static loadElementsFonts = async (
+    elements: readonly ExcalidrawElement[],
+  ): Promise<FontFace[]> => {
+    const fontFamilies = Fonts.getUniqueFamilies(elements);
+    const charsPerFamily = isSafari
+      ? Fonts.getCharsPerFamily(elements)
+      : undefined;
+
+    return Fonts.loadFontFaces(fontFamilies, charsPerFamily);
   };
 
   /**
@@ -144,17 +182,48 @@ export class Fonts {
   };
 
   /**
-   * Load font faces for passed elements - use when the scene is unavailable (i.e. export).
+   * Generate CSS @font-face declarations for the given elements.
    */
-  public static loadElementsFonts = async (
+  public static async generateFontFaceDeclarations(
     elements: readonly ExcalidrawElement[],
-  ): Promise<FontFace[]> => {
-    const fontFamilies = Fonts.getElementsFamilies(elements);
-    return await Fonts.loadFontFaces(fontFamilies);
-  };
+  ) {
+    const families = Fonts.getUniqueFamilies(elements);
+    const charsPerFamily = Fonts.getCharsPerFamily(elements);
+
+    // for simplicity, assuming we have just one family with the CJK handdrawn fallback
+    const familyWithCJK = families.find((x) =>
+      getFontFamilyFallbacks(x).includes(CJK_HAND_DRAWN_FALLBACK_FONT),
+    );
+
+    if (familyWithCJK) {
+      const characters = Fonts.getCharacters(charsPerFamily, familyWithCJK);
+
+      if (containsCJK(characters)) {
+        const family = FONT_FAMILY_FALLBACKS[CJK_HAND_DRAWN_FALLBACK_FONT];
+
+        // adding the same characters to the CJK handrawn family
+        charsPerFamily[family] = new Set(characters);
+
+        // the order between the families and fallbacks is important, as fallbacks need to be defined first and in the reversed order
+        // so that they get overriden with the later defined font faces, i.e. in case they share some codepoints
+        families.unshift(FONT_FAMILY_FALLBACKS[CJK_HAND_DRAWN_FALLBACK_FONT]);
+      }
+    }
+
+    // don't trigger hundreds of concurrent requests (each performing fetch, creating a worker, etc.),
+    // instead go three requests at a time, in a controlled manner, without completely blocking the main thread
+    // and avoiding potential issues such as rate limits
+    const iterator = Fonts.fontFacesStylesGenerator(families, charsPerFamily);
+    const concurrency = 3;
+    const fontFaces = await new PromisePool(iterator, concurrency).all();
+
+    // dedup just in case (i.e. could be the same font faces with 0 glyphs)
+    return Array.from(new Set(fontFaces));
+  }
 
   private static async loadFontFaces(
     fontFamilies: Array<ExcalidrawTextElement["fontFamily"]>,
+    charsPerFamily?: Record<number, Set<string>>,
   ) {
     // add all registered font faces into the `document.fonts` (if not added already)
     for (const { fontFaces, metadata } of Fonts.registered.values()) {
@@ -170,35 +239,136 @@ export class Fonts {
       }
     }
 
-    const loadedFontFaces = await Promise.all(
-      fontFamilies.map(async (fontFamily) => {
-        const fontString = getFontString({
-          fontFamily,
-          fontSize: 16,
-        });
+    // loading 10 font faces at a time, in a controlled manner
+    const iterator = Fonts.fontFacesLoader(fontFamilies, charsPerFamily);
+    const concurrency = 10;
+    const fontFaces = await new PromisePool(iterator, concurrency).all();
+    return fontFaces.flat().filter(Boolean);
+  }
 
-        // WARN: without "text" param it does not have to mean that all font faces are loaded, instead it could be just one!
-        if (!window.document.fonts.check(fontString)) {
+  private static *fontFacesLoader(
+    fontFamilies: Array<ExcalidrawTextElement["fontFamily"]>,
+    charsPerFamily?: Record<number, Set<string>>,
+  ): Generator<Promise<void | readonly [number, FontFace[]]>> {
+    for (const [index, fontFamily] of fontFamilies.entries()) {
+      const font = getFontString({
+        fontFamily,
+        fontSize: 16,
+      });
+
+      // WARN: without "text" param it does not have to mean that all font faces are loaded, instead it could be just one!
+      // for Safari on init, we rather check with the "text" param, even though it's less efficient, as otherwise fonts might remain unloaded
+      const text =
+        isSafari && charsPerFamily
+          ? Fonts.getCharacters(charsPerFamily, fontFamily)
+          : "";
+
+      if (!window.document.fonts.check(font, text)) {
+        yield promiseTry(async () => {
           try {
             // WARN: browser prioritizes loading only font faces with unicode ranges for characters which are present in the document (html & canvas), other font faces could stay unloaded
             // we might want to retry here, i.e.  in case CDN is down, but so far I didn't experience any issues - maybe it handles retry-like logic under the hood
-            return await window.document.fonts.load(fontString);
+            const fontFaces = await window.document.fonts.load(font, text);
+
+            return [index, fontFaces];
           } catch (e) {
             // don't let it all fail if just one font fails to load
             console.error(
-              `Failed to load font "${fontString}" from urls "${Fonts.registered
+              `Failed to load font "${font}" from urls "${Fonts.registered
                 .get(fontFamily)
                 ?.fontFaces.map((x) => x.urls)}"`,
               e,
             );
           }
-        }
+        });
+      }
+    }
+  }
 
-        return Promise.resolve();
-      }),
-    );
+  private static *fontFacesStylesGenerator(
+    families: Array<number>,
+    charsPerFamily: Record<number, Set<string>>,
+  ): Generator<Promise<void | readonly [number, string]>> {
+    for (const [familyIndex, family] of families.entries()) {
+      const { fontFaces, metadata } = Fonts.registered.get(family) ?? {};
 
-    return loadedFontFaces.flat().filter(Boolean) as FontFace[];
+      if (!Array.isArray(fontFaces)) {
+        console.error(
+          `Couldn't find registered fonts for font-family "${family}"`,
+          Fonts.registered,
+        );
+        continue;
+      }
+
+      if (metadata?.local) {
+        // don't inline local fonts
+        continue;
+      }
+
+      for (const [fontFaceIndex, fontFace] of fontFaces.entries()) {
+        yield promiseTry(async () => {
+          try {
+            const characters = Fonts.getCharacters(charsPerFamily, family);
+            const fontFaceCSS = await fontFace.toCSS(characters);
+
+            if (!fontFaceCSS) {
+              return;
+            }
+
+            // giving a buffer of 10K font faces per family
+            const fontFaceOrder = familyIndex * 10_000 + fontFaceIndex;
+            const fontFaceTuple = [fontFaceOrder, fontFaceCSS] as const;
+
+            return fontFaceTuple;
+          } catch (error) {
+            console.error(
+              `Couldn't transform font-face to css for family "${fontFace.fontFace.family}"`,
+              error,
+            );
+          }
+        });
+      }
+    }
+  }
+
+  /**
+   * Register a new font.
+   *
+   * @param family font family
+   * @param metadata font metadata
+   * @param fontFacesDecriptors font faces descriptors
+   */
+  private static register(
+    this:
+      | Fonts
+      | {
+          registered: Map<
+            number,
+            { metadata: FontMetadata; fontFaces: ExcalidrawFontFace[] }
+          >;
+        },
+    family: string,
+    metadata: FontMetadata,
+    ...fontFacesDecriptors: ExcalidrawFontFaceDescriptor[]
+  ) {
+    // TODO: likely we will need to abandon number value in order to support custom fonts
+    const fontFamily =
+      FONT_FAMILY[family as keyof typeof FONT_FAMILY] ??
+      FONT_FAMILY_FALLBACKS[family as keyof typeof FONT_FAMILY_FALLBACKS];
+
+    const registeredFamily = this.registered.get(fontFamily);
+
+    if (!registeredFamily) {
+      this.registered.set(fontFamily, {
+        metadata,
+        fontFaces: fontFacesDecriptors.map(
+          ({ uri, descriptors }) =>
+            new ExcalidrawFontFace(family, uri, descriptors),
+        ),
+      });
+    }
+
+    return this.registered;
   }
 
   /**
@@ -248,57 +418,9 @@ export class Fonts {
   }
 
   /**
-   * Register a new font.
-   *
-   * @param family font family
-   * @param metadata font metadata
-   * @param fontFacesDecriptors font faces descriptors
+   * Get all the unique font families for the given elements.
    */
-  private static register(
-    this:
-      | Fonts
-      | {
-          registered: Map<
-            number,
-            { metadata: FontMetadata; fontFaces: ExcalidrawFontFace[] }
-          >;
-        },
-    family: string,
-    metadata: FontMetadata,
-    ...fontFacesDecriptors: ExcalidrawFontFaceDescriptor[]
-  ) {
-    // TODO: likely we will need to abandon number value in order to support custom fonts
-    const fontFamily =
-      FONT_FAMILY[family as keyof typeof FONT_FAMILY] ??
-      FONT_FAMILY_FALLBACKS[family as keyof typeof FONT_FAMILY_FALLBACKS];
-
-    const registeredFamily = this.registered.get(fontFamily);
-
-    if (!registeredFamily) {
-      this.registered.set(fontFamily, {
-        metadata,
-        fontFaces: fontFacesDecriptors.map(
-          ({ uri, descriptors }) =>
-            new ExcalidrawFontFace(family, uri, descriptors),
-        ),
-      });
-    }
-
-    return this.registered;
-  }
-
-  /**
-   * Gets all the font families for the given scene.
-   */
-  public getSceneFamilies = () => {
-    return Fonts.getElementsFamilies(this.scene.getNonDeletedElements());
-  };
-
-  private static getAllFamilies() {
-    return Array.from(Fonts.registered.keys());
-  }
-
-  private static getElementsFamilies(
+  private static getUniqueFamilies(
     elements: ReadonlyArray<ExcalidrawElement>,
   ): Array<ExcalidrawTextElement["fontFamily"]> {
     return Array.from(
@@ -310,6 +432,51 @@ export class Fonts {
       }, new Set<number>()),
     );
   }
+
+  /**
+   * Get all the unique characters per font family for the given scene.
+   */
+  private static getCharsPerFamily(
+    elements: ReadonlyArray<ExcalidrawElement>,
+  ): Record<number, Set<string>> {
+    const charsPerFamily: Record<number, Set<string>> = {};
+
+    for (const element of elements) {
+      if (!isTextElement(element)) {
+        continue;
+      }
+
+      // gather unique codepoints only when inlining fonts
+      for (const char of element.originalText) {
+        if (!charsPerFamily[element.fontFamily]) {
+          charsPerFamily[element.fontFamily] = new Set();
+        }
+
+        charsPerFamily[element.fontFamily].add(char);
+      }
+    }
+
+    return charsPerFamily;
+  }
+
+  /**
+   * Get characters for a given family.
+   */
+  private static getCharacters(
+    charsPerFamily: Record<number, Set<string>>,
+    family: number,
+  ) {
+    return charsPerFamily[family]
+      ? Array.from(charsPerFamily[family]).join("")
+      : "";
+  }
+
+  /**
+   * Get all registered font families.
+   */
+  private static getAllFamilies() {
+    return Array.from(Fonts.registered.keys());
+  }
 }
 
 /**

packages/excalidraw/package.json

@@ -58,11 +58,10 @@
   "dependencies": {
     "@braintree/sanitize-url": "6.0.2",
     "@excalidraw/laser-pointer": "1.3.1",
-    "@excalidraw/mermaid-to-excalidraw": "1.1.0",
+    "@excalidraw/mermaid-to-excalidraw": "1.1.2",
     "@excalidraw/random-username": "1.1.0",
     "@radix-ui/react-popover": "1.0.3",
     "@radix-ui/react-tabs": "1.0.2",
-    "@tldraw/vec": "1.7.1",
     "browser-fs-access": "0.29.1",
     "canvas-roundrect-polyfill": "0.0.1",
     "clsx": "1.1.1",

packages/excalidraw/renderer/staticSvgScene.ts

@@ -7,7 +7,7 @@ import {
   SVG_NS,
 } from "../constants";
 import { normalizeLink, toValidURL } from "../data/url";
-import { getElementAbsoluteCoords } from "../element";
+import { getElementAbsoluteCoords, hashString } from "../element";
 import {
   createPlaceholderEmbeddableLabel,
   getEmbedLink,
@@ -411,7 +411,25 @@ const renderElementToSvg = (
       const fileData =
         isInitializedImageElement(element) && files[element.fileId];
       if (fileData) {
-        const symbolId = `image-${fileData.id}`;
+        const { reuseImages = true } = renderConfig;
+
+        let symbolId = `image-${fileData.id}`;
+
+        let uncroppedWidth = element.width;
+        let uncroppedHeight = element.height;
+        if (element.crop) {
+          ({ width: uncroppedWidth, height: uncroppedHeight } =
+            getUncroppedWidthAndHeight(element));
+
+          symbolId = `image-crop-${fileData.id}-${hashString(
+            `${uncroppedWidth}x${uncroppedHeight}`,
+          )}`;
+        }
+
+        if (!reuseImages) {
+          symbolId = `image-${element.id}`;
+        }
+
         let symbol = svgRoot.querySelector(`#${symbolId}`);
         if (!symbol) {
           symbol = svgRoot.ownerDocument!.createElementNS(SVG_NS, "symbol");
@@ -421,18 +439,7 @@ const renderElementToSvg = (
           image.setAttribute("href", fileData.dataURL);
           image.setAttribute("preserveAspectRatio", "none");
 
-          if (element.crop) {
-            const { width: uncroppedWidth, height: uncroppedHeight } =
-              getUncroppedWidthAndHeight(element);
-
-            symbol.setAttribute(
-              "viewBox",
-              `${
-                element.crop.x / (element.crop.naturalWidth / uncroppedWidth)
-              } ${
-                element.crop.y / (element.crop.naturalHeight / uncroppedHeight)
-              } ${width} ${height}`,
-            );
+          if (element.crop || !reuseImages) {
             image.setAttribute("width", `${uncroppedWidth}`);
             image.setAttribute("height", `${uncroppedHeight}`);
           } else {
@@ -456,8 +463,23 @@ const renderElementToSvg = (
           use.setAttribute("filter", IMAGE_INVERT_FILTER);
         }
 
-        use.setAttribute("width", `${width}`);
-        use.setAttribute("height", `${height}`);
+        let normalizedCropX = 0;
+        let normalizedCropY = 0;
+
+        if (element.crop) {
+          const { width: uncroppedWidth, height: uncroppedHeight } =
+            getUncroppedWidthAndHeight(element);
+          normalizedCropX =
+            element.crop.x / (element.crop.naturalWidth / uncroppedWidth);
+          normalizedCropY =
+            element.crop.y / (element.crop.naturalHeight / uncroppedHeight);
+        }
+
+        const adjustedCenterX = cx + normalizedCropX;
+        const adjustedCenterY = cy + normalizedCropY;
+
+        use.setAttribute("width", `${width + normalizedCropX}`);
+        use.setAttribute("height", `${height + normalizedCropY}`);
         use.setAttribute("opacity", `${opacity}`);
 
         // We first apply `scale` transforms (horizontal/vertical mirroring)
@@ -467,21 +489,43 @@ const renderElementToSvg = (
         // the transformations correctly (the transform-origin was not being
         // applied correctly).
         if (element.scale[0] !== 1 || element.scale[1] !== 1) {
-          const translateX = element.scale[0] !== 1 ? -width : 0;
-          const translateY = element.scale[1] !== 1 ? -height : 0;
           use.setAttribute(
             "transform",
-            `scale(${element.scale[0]}, ${element.scale[1]}) translate(${translateX} ${translateY})`,
+            `translate(${adjustedCenterX} ${adjustedCenterY}) scale(${
+              element.scale[0]
+            } ${
+              element.scale[1]
+            }) translate(${-adjustedCenterX} ${-adjustedCenterY})`,
           );
         }
 
         const g = svgRoot.ownerDocument!.createElementNS(SVG_NS, "g");
+
+        if (element.crop) {
+          const mask = svgRoot.ownerDocument!.createElementNS(SVG_NS, "mask");
+          mask.setAttribute("id", `mask-image-crop-${element.id}`);
+          mask.setAttribute("fill", "#fff");
+          const maskRect = svgRoot.ownerDocument!.createElementNS(
+            SVG_NS,
+            "rect",
+          );
+
+          maskRect.setAttribute("x", `${normalizedCropX}`);
+          maskRect.setAttribute("y", `${normalizedCropY}`);
+          maskRect.setAttribute("width", `${width}`);
+          maskRect.setAttribute("height", `${height}`);
+
+          mask.appendChild(maskRect);
+          root.appendChild(mask);
+          g.setAttribute("mask", `url(#${mask.id})`);
+        }
+
         g.appendChild(use);
         g.setAttribute(
           "transform",
-          `translate(${offsetX || 0} ${
-            offsetY || 0
-          }) rotate(${degree} ${cx} ${cy})`,
+          `translate(${offsetX - normalizedCropX} ${
+            offsetY - normalizedCropY
+          }) rotate(${degree} ${adjustedCenterX} ${adjustedCenterY})`,
         );
 
         if (element.roundness) {

packages/excalidraw/scene/export.ts

@@ -9,14 +9,7 @@ import type {
 import type { Bounds } from "../element/bounds";
 import { getCommonBounds, getElementAbsoluteCoords } from "../element/bounds";
 import { renderSceneToSvg } from "../renderer/staticSvgScene";
-import {
-  arrayToMap,
-  distance,
-  getFontString,
-  PromisePool,
-  promiseTry,
-  toBrandedType,
-} from "../utils";
+import { arrayToMap, distance, getFontString, toBrandedType } from "../utils";
 import type { AppState, BinaryFiles } from "../types";
 import {
   DEFAULT_EXPORT_PADDING,
@@ -25,9 +18,6 @@ import {
   SVG_NS,
   THEME,
   THEME_FILTER,
-  FONT_FAMILY_FALLBACKS,
-  getFontFamilyFallbacks,
-  CJK_HAND_DRAWN_FALLBACK_FONT,
 } from "../constants";
 import { getDefaultAppState } from "../appState";
 import { serializeAsJSON } from "../data/json";
@@ -44,12 +34,11 @@ import {
 import { newTextElement } from "../element";
 import { type Mutable } from "../utility-types";
 import { newElementWith } from "../element/mutateElement";
-import { isFrameLikeElement, isTextElement } from "../element/typeChecks";
+import { isFrameLikeElement } from "../element/typeChecks";
 import type { RenderableElementsMap } from "./types";
 import { syncInvalidIndices } from "../fractionalIndex";
 import { renderStaticScene } from "../renderer/staticScene";
 import { Fonts } from "../fonts";
-import { containsCJK } from "../element/textElement";
 
 const SVG_EXPORT_TAG = `<!-- svg-source:excalidraw -->`;
 
@@ -284,6 +273,7 @@ export const exportToSvg = async (
     renderEmbeddables?: boolean;
     exportingFrame?: ExcalidrawFrameLikeElement | null;
     skipInliningFonts?: true;
+    reuseImages?: boolean;
   },
 ): Promise<SVGSVGElement> => {
   const frameRendering = getFrameRenderingConfig(
@@ -318,9 +308,7 @@ export const exportToSvg = async (
   // the tempScene hack which duplicates and regenerates ids
   if (exportEmbedScene) {
     try {
-      metadata = await (
-        await import("../data/image")
-      ).encodeSvgMetadata({
+      metadata = (await import("../data/image")).encodeSvgMetadata({
         // when embedding scene, we want to embed the origionally supplied
         // elements which don't contain the temp frame labels.
         // But it also requires that the exportToSvg is being supplied with
@@ -376,7 +364,10 @@ export const exportToSvg = async (
         </clipPath>`;
   }
 
-  const fontFaces = opts?.skipInliningFonts ? [] : await getFontFaces(elements);
+  const fontFaces = !opts?.skipInliningFonts
+    ? await Fonts.generateFontFaceDeclarations(elements)
+    : [];
+
   const delimiter = "\n      "; // 6 spaces
 
   svgRoot.innerHTML = `
@@ -425,6 +416,7 @@ export const exportToSvg = async (
               .map((element) => [element.id, true]),
           )
         : new Map(),
+      reuseImages: opts?.reuseImages ?? true,
     },
   );
 
@@ -454,111 +446,3 @@ export const getExportSize = (
 
   return [width, height];
 };
-
-const getFontFaces = async (
-  elements: readonly ExcalidrawElement[],
-): Promise<string[]> => {
-  const fontFamilies = new Set<number>();
-  const charsPerFamily: Record<number, Set<string>> = {};
-
-  for (const element of elements) {
-    if (!isTextElement(element)) {
-      continue;
-    }
-
-    fontFamilies.add(element.fontFamily);
-
-    // gather unique codepoints only when inlining fonts
-    for (const char of element.originalText) {
-      if (!charsPerFamily[element.fontFamily]) {
-        charsPerFamily[element.fontFamily] = new Set();
-      }
-
-      charsPerFamily[element.fontFamily].add(char);
-    }
-  }
-
-  const orderedFamilies = Array.from(fontFamilies);
-
-  // for simplicity, assuming we have just one family with the CJK handdrawn fallback
-  const familyWithCJK = orderedFamilies.find((x) =>
-    getFontFamilyFallbacks(x).includes(CJK_HAND_DRAWN_FALLBACK_FONT),
-  );
-
-  if (familyWithCJK) {
-    const characters = getChars(charsPerFamily[familyWithCJK]);
-
-    if (containsCJK(characters)) {
-      const family = FONT_FAMILY_FALLBACKS[CJK_HAND_DRAWN_FALLBACK_FONT];
-
-      // adding the same characters to the CJK handrawn family
-      charsPerFamily[family] = new Set(characters);
-
-      // the order between the families and fallbacks is important, as fallbacks need to be defined first and in the reversed order
-      // so that they get overriden with the later defined font faces, i.e. in case they share some codepoints
-      orderedFamilies.unshift(
-        FONT_FAMILY_FALLBACKS[CJK_HAND_DRAWN_FALLBACK_FONT],
-      );
-    }
-  }
-
-  const iterator = fontFacesIterator(orderedFamilies, charsPerFamily);
-
-  // don't trigger hundreds of concurrent requests (each performing fetch, creating a worker, etc.),
-  // instead go three requests at a time, in a controlled manner, without completely blocking the main thread
-  // and avoiding potential issues such as rate limits
-  const concurrency = 3;
-  const fontFaces = await new PromisePool(iterator, concurrency).all();
-
-  // dedup just in case (i.e. could be the same font faces with 0 glyphs)
-  return Array.from(new Set(fontFaces));
-};
-
-function* fontFacesIterator(
-  families: Array<number>,
-  charsPerFamily: Record<number, Set<string>>,
-): Generator<Promise<void | readonly [number, string]>> {
-  for (const [familyIndex, family] of families.entries()) {
-    const { fontFaces, metadata } = Fonts.registered.get(family) ?? {};
-
-    if (!Array.isArray(fontFaces)) {
-      console.error(
-        `Couldn't find registered fonts for font-family "${family}"`,
-        Fonts.registered,
-      );
-      continue;
-    }
-
-    if (metadata?.local) {
-      // don't inline local fonts
-      continue;
-    }
-
-    for (const [fontFaceIndex, fontFace] of fontFaces.entries()) {
-      yield promiseTry(async () => {
-        try {
-          const characters = getChars(charsPerFamily[family]);
-          const fontFaceCSS = await fontFace.toCSS(characters);
-
-          if (!fontFaceCSS) {
-            return;
-          }
-
-          // giving a buffer of 10K font faces per family
-          const fontFaceOrder = familyIndex * 10_000 + fontFaceIndex;
-          const fontFaceTuple = [fontFaceOrder, fontFaceCSS] as const;
-
-          return fontFaceTuple;
-        } catch (error) {
-          console.error(
-            `Couldn't transform font-face to css for family "${fontFace.fontFace.family}"`,
-            error,
-          );
-        }
-      });
-    }
-  }
-}
-
-const getChars = (characterSet: Set<string>) =>
-  Array.from(characterSet).join("");

packages/excalidraw/scene/types.ts

@@ -46,6 +46,13 @@ export type SVGRenderConfig = {
   frameRendering: AppState["frameRendering"];
   canvasBackgroundColor: AppState["viewBackgroundColor"];
   embedsValidationStatus: EmbedsValidationStatus;
+  /**
+   * whether to attempt to reuse images as much as possible through symbols
+   * (reduces SVG size, but may be incompoatible with some SVG renderers)
+   *
+   * @default true
+   */
+  reuseImages: boolean;
 };
 
 export type InteractiveCanvasRenderConfig = {

packages/excalidraw/tests/__snapshots__/export.test.tsx.snap

@@ -10,5 +10,5 @@ exports[`export > exporting svg containing transformed images > svg export outpu
     </style>
     
   </defs>
-  <clipPath id="image-clipPath-id1" data-id="id1"><rect width="100" height="100" rx="25" ry="25"></rect></clipPath><g transform="translate(30.710678118654755 30.710678118654755) rotate(315 50 50)" clip-path="url(#image-clipPath-id1)" data-id="id1"><use href="#image-file_A" width="100" height="100" opacity="1"></use></g><clipPath id="image-clipPath-id2" data-id="id2"><rect width="50" height="50" rx="12.5" ry="12.5"></rect></clipPath><g transform="translate(130.71067811865476 30.710678118654755) rotate(45 25 25)" clip-path="url(#image-clipPath-id2)" data-id="id2"><use href="#image-file_A" width="50" height="50" opacity="1" transform="scale(-1, 1) translate(-50 0)"></use></g><clipPath id="image-clipPath-id3" data-id="id3"><rect width="100" height="100" rx="25" ry="25"></rect></clipPath><g transform="translate(30.710678118654755 130.71067811865476) rotate(45 50 50)" clip-path="url(#image-clipPath-id3)" data-id="id3"><use href="#image-file_A" width="100" height="100" opacity="1" transform="scale(1, -1) translate(0 -100)"></use></g><clipPath id="image-clipPath-id4" data-id="id4"><rect width="50" height="50" rx="12.5" ry="12.5"></rect></clipPath><g transform="translate(130.71067811865476 130.71067811865476) rotate(315 25 25)" clip-path="url(#image-clipPath-id4)" data-id="id4"><use href="#image-file_A" width="50" height="50" opacity="1" transform="scale(-1, -1) translate(-50 -50)"></use></g></svg>"
+  <clipPath id="image-clipPath-id1" data-id="id1"><rect width="100" height="100" rx="25" ry="25"></rect></clipPath><g transform="translate(30.710678118654755 30.710678118654755) rotate(315 50 50)" clip-path="url(#image-clipPath-id1)" data-id="id1"><use href="#image-file_A" width="100" height="100" opacity="1"></use></g><clipPath id="image-clipPath-id2" data-id="id2"><rect width="50" height="50" rx="12.5" ry="12.5"></rect></clipPath><g transform="translate(130.71067811865476 30.710678118654755) rotate(45 25 25)" clip-path="url(#image-clipPath-id2)" data-id="id2"><use href="#image-file_A" width="50" height="50" opacity="1" transform="translate(25 25) scale(-1 1) translate(-25 -25)"></use></g><clipPath id="image-clipPath-id3" data-id="id3"><rect width="100" height="100" rx="25" ry="25"></rect></clipPath><g transform="translate(30.710678118654755 130.71067811865476) rotate(45 50 50)" clip-path="url(#image-clipPath-id3)" data-id="id3"><use href="#image-file_A" width="100" height="100" opacity="1" transform="translate(50 50) scale(1 -1) translate(-50 -50)"></use></g><clipPath id="image-clipPath-id4" data-id="id4"><rect width="50" height="50" rx="12.5" ry="12.5"></rect></clipPath><g transform="translate(130.71067811865476 130.71067811865476) rotate(315 25 25)" clip-path="url(#image-clipPath-id4)" data-id="id4"><use href="#image-file_A" width="50" height="50" opacity="1" transform="translate(25 25) scale(-1 -1) translate(-25 -25)"></use></g></svg>"
 `;

packages/excalidraw/tests/__snapshots__/linearElementEditor.test.tsx.snap

@@ -17,7 +17,7 @@ exports[`Test Linear Elements > Test bound text element > should match styles fo
   class="excalidraw-wysiwyg"
   data-type="wysiwyg"
   dir="auto"
-  style="position: absolute; display: inline-block; min-height: 1em; backface-visibility: hidden; margin: 0px; border: 0px; outline: 0; resize: none; background: transparent; overflow: hidden; z-index: var(--zIndex-wysiwyg); word-break: break-word; white-space: pre-wrap; overflow-wrap: break-word; box-sizing: content-box; width: 10.5px; height: 26.25px; left: 25px; top: 7.5px; transform: translate(0px, 0px) scale(1) rotate(0deg); padding: 0px 10px; text-align: center; vertical-align: middle; color: rgb(30, 30, 30); opacity: 1; filter: var(--theme-filter); max-height: 992.5px; font: Emoji 20px 20px; line-height: 1.25; font-family: Excalifont, Xiaolai, Segoe UI Emoji;"
+  style="position: absolute; display: inline-block; min-height: 1em; backface-visibility: hidden; margin: 0px; padding: 0px; border: 0px; outline: 0; resize: none; background: transparent; overflow: hidden; z-index: var(--zIndex-wysiwyg); word-break: break-word; white-space: pre-wrap; overflow-wrap: break-word; box-sizing: content-box; width: 10.5px; height: 26.25px; left: 35px; top: 7.5px; transform: translate(0px, 0px) scale(1) rotate(0deg); text-align: center; vertical-align: middle; color: rgb(30, 30, 30); opacity: 1; filter: var(--theme-filter); max-height: 992.5px; font: Emoji 20px 20px; line-height: 1.25; font-family: Excalifont, Xiaolai, Segoe UI Emoji;"
   tabindex="0"
   wrap="off"
 />

packages/excalidraw/tests/cropElement.test.tsx

@@ -156,8 +156,8 @@ describe("Crop an image", () => {
       [-initialWidth / 3, 0],
       true,
     );
-    expect(image.width).toBe(resizedWidth);
-    expect(image.height).toBe(resizedHeight);
+    expect(image.width).toBeCloseTo(resizedWidth, 10);
+    expect(image.height).toBeCloseTo(resizedHeight, 10);
 
     // re-crop to initial state
     UI.crop(image, "w", naturalWidth, naturalHeight, [-initialWidth / 3, 0]);

packages/excalidraw/tests/export.test.tsx

@@ -62,10 +62,10 @@ describe("export", () => {
   });
 
   it("test encoding/decoding scene for SVG export", async () => {
-    const encoded = await encodeSvgMetadata({
+    const encoded = encodeSvgMetadata({
       text: serializeAsJSON(testElements, h.state, {}, "local"),
     });
-    const decoded = JSON.parse(await decodeSvgMetadata({ svg: encoded }));
+    const decoded = JSON.parse(decodeSvgMetadata({ svg: encoded }));
     expect(decoded.elements).toEqual([
       expect.objectContaining({ type: "text", text: "😀" }),
     ]);

packages/excalidraw/tests/linearElementEditor.test.tsx

@@ -20,7 +20,6 @@ import { LinearElementEditor } from "../element/linearElementEditor";
 import { act, queryByTestId, queryByText } from "@testing-library/react";
 import {
   getBoundTextElementPosition,
-  wrapText,
   getBoundTextMaxWidth,
 } from "../element/textElement";
 import * as textElementUtils from "../element/textElement";
@@ -29,6 +28,7 @@ import { vi } from "vitest";
 import { arrayToMap } from "../utils";
 import type { GlobalPoint } from "../../math";
 import { pointCenter, pointFrom } from "../../math";
+import { wrapText } from "../element/textWrapping";
 
 const renderInteractiveScene = vi.spyOn(
   InteractiveCanvas,
@@ -1235,8 +1235,7 @@ describe("Test Linear Elements", () => {
       mouse.downAt(rect.x, rect.y);
       mouse.moveTo(200, 0);
       mouse.upAt(200, 0);
-
-      expect(arrow.width).toBe(205);
+      expect(arrow.width).toBe(200);
       expect(rect.x).toBe(200);
       expect(rect.y).toBe(0);
       expect(handleBindTextResizeSpy).toHaveBeenCalledWith(

packages/excalidraw/tests/resize.test.tsx

@@ -882,11 +882,11 @@ describe("multiple selection", () => {
 
     expect(leftBoundArrow.x).toBeCloseTo(-110);
     expect(leftBoundArrow.y).toBeCloseTo(50);
-    expect(leftBoundArrow.width).toBeCloseTo(137.5, 0);
+    expect(leftBoundArrow.width).toBeCloseTo(140, 0);
     expect(leftBoundArrow.height).toBeCloseTo(7, 0);
     expect(leftBoundArrow.angle).toEqual(0);
     expect(leftBoundArrow.startBinding).toBeNull();
-    expect(leftBoundArrow.endBinding?.gap).toBeCloseTo(12.352);
+    expect(leftBoundArrow.endBinding?.gap).toBeCloseTo(10);
     expect(leftBoundArrow.endBinding?.elementId).toBe(
       leftArrowBinding.elementId,
     );

packages/excalidraw/types.ts

@@ -106,6 +106,11 @@ export type BinaryFileData = {
    * Epoch timestamp in milliseconds.
    */
   lastRetrieved?: number;
+  /**
+   * indicates the version of the file. This can be used to determine whether
+   * the file dataURL has changed e.g. as part of restore due to schema update.
+   */
+  version?: number;
 };
 
 export type BinaryFileMetadata = Omit<BinaryFileData, "dataURL">;

packages/utils/export.ts

@@ -167,10 +167,12 @@ export const exportToSvg = async ({
   renderEmbeddables,
   exportingFrame,
   skipInliningFonts,
+  reuseImages,
 }: Omit<ExportOpts, "getDimensions"> & {
   exportPadding?: number;
   renderEmbeddables?: boolean;
   skipInliningFonts?: true;
+  reuseImages?: boolean;
 }): Promise<SVGSVGElement> => {
   const { elements: restoredElements, appState: restoredAppState } = restore(
     { elements, appState },
@@ -187,6 +189,7 @@ export const exportToSvg = async ({
     exportingFrame,
     renderEmbeddables,
     skipInliningFonts,
+    reuseImages,
   });
 };
 

packages/utils/utils.unmocked.test.ts

@@ -27,7 +27,7 @@ describe("embedding scene data", () => {
 
       const svg = svgNode.outerHTML;
 
-      const parsedString = await decodeSvgMetadata({ svg });
+      const parsedString = decodeSvgMetadata({ svg });
       const importedData: ImportedDataState = JSON.parse(parsedString);
 
       expect(sourceElements.map((x) => x.id)).toEqual(

public/manifest.json

@@ -1,74 +0,0 @@
-{
-  "short_name": "Excalidraw",
-  "name": "Excalidraw",
-  "description": "Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.",
-  "icons": [
-    {
-      "src": "android-chrome-192x192.png",
-      "sizes": "192x192",
-      "type": "image/png"
-    },
-    {
-      "src": "apple-touch-icon.png",
-      "type": "image/png",
-      "sizes": "180x180"
-    }
-  ],
-  "start_url": "/",
-  "display": "standalone",
-  "theme_color": "#000000",
-  "background_color": "#ffffff",
-  "file_handlers": [
-    {
-      "action": "/",
-      "accept": {
-        "application/vnd.excalidraw+json": [".excalidraw"]
-      }
-    }
-  ],
-  "share_target": {
-    "action": "/web-share-target",
-    "method": "POST",
-    "enctype": "multipart/form-data",
-    "params": {
-      "files": [
-        {
-          "name": "file",
-          "accept": ["application/vnd.excalidraw+json", "application/json", ".excalidraw"]
-        }
-      ]
-    }
-  },
-  "screenshots": [
-    {
-      "src": "/screenshots/virtual-whiteboard.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/wireframe.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/illustration.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/shapes.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/collaboration.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/export.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    }
-  ]
-}

yarn.lock

@@ -1891,13 +1891,13 @@
   resolved "https://registry.yarnpkg.com/@excalidraw/markdown-to-text/-/markdown-to-text-0.1.2.tgz#1703705e7da608cf478f17bfe96fb295f55a23eb"
   integrity sha512-1nDXBNAojfi3oSFwJswKREkFm5wrSjqay81QlyRv2pkITG/XYB5v+oChENVBQLcxQwX4IUATWvXM5BcaNhPiIg==
 
-"@excalidraw/mermaid-to-excalidraw@1.1.0":
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/@excalidraw/mermaid-to-excalidraw/-/mermaid-to-excalidraw-1.1.0.tgz#a24a7aa3ad2e4f671054fdb670a8508bab463814"
-  integrity sha512-YP2roqrImzek1SpUAeToSTNhH5Gfw9ogdI5KHp7c+I/mX7SEW8oNqqX7CP+oHcUgNF6RrYIkqSrnMRN9/3EGLg==
+"@excalidraw/mermaid-to-excalidraw@1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@excalidraw/mermaid-to-excalidraw/-/mermaid-to-excalidraw-1.1.2.tgz#74d9507971976a7d3d960a1b2e8fb49a9f1f0d22"
+  integrity sha512-hAFv/TTIsOdoy0dL5v+oBd297SQ+Z88gZ5u99fCIFuEMHfQuPgLhU/ztKhFSTs7fISwVo6fizny/5oQRR3d4tQ==
   dependencies:
     "@excalidraw/markdown-to-text" "0.1.2"
-    mermaid "10.9.0"
+    mermaid "10.9.3"
     nanoid "4.0.2"
 
 "@excalidraw/prettier-config@1.0.2":
@@ -3068,11 +3068,6 @@
   dependencies:
     "@babel/runtime" "^7.12.5"
 
-"@tldraw/vec@1.7.1":
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/@tldraw/vec/-/vec-1.7.1.tgz#5bfac9a56e11ad890cbd1c620293d7fcb23bf1ea"
-  integrity sha512-qM6Z9RvkLFFEzr91mmsA4HI14msyDgDDOu36csIzG5BYu2bFmEz5siQ8WntHgDtUjzJHP+VSSOTbAXhklEZHLA==
-
 "@tootallnate/once@2":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@tootallnate/once/-/once-2.0.0.tgz#f544a148d3ab35801c1f633a7441fd87c2e484bf"
@@ -3892,6 +3887,11 @@ ansi-regex@^5.0.1:
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.1.tgz#082cb2c89c9fe8659a311a53bd6a4dc5301db304"
   integrity sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==
 
+ansi-regex@^6.0.1:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-6.1.0.tgz#95ec409c69619d6cb1b8b34f14b660ef28ebd654"
+  integrity sha512-7HSX4QQb4CspciLpVFwyRe79O3xsIZDDLER21kERQ71oaPodF8jL725AgJMFAYbooIqolJoRLuM81SpeUkpkvA==
+
 ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
@@ -4819,9 +4819,9 @@ cross-fetch@3.1.5:
     node-fetch "2.6.7"
 
 cross-spawn@^7.0.0, cross-spawn@^7.0.1, cross-spawn@^7.0.2, cross-spawn@^7.0.3:
-  version "7.0.3"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
-  integrity sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==
+  version "7.0.6"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.6.tgz#8a58fe78f00dcd70c370451759dfbfaf03e8ee9f"
+  integrity sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==
   dependencies:
     path-key "^3.1.0"
     shebang-command "^2.0.0"
@@ -5428,10 +5428,10 @@ domhandler@^4.2.0, domhandler@^4.3.1:
   dependencies:
     domelementtype "^2.2.0"
 
-dompurify@^3.0.5:
-  version "3.1.4"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.1.4.tgz#42121304b2b3a6bae22f80131ff8a8f3f3c56be2"
-  integrity sha512-2gnshi6OshmuKil8rMZuQCGiUF3cUxHY3NGDzUAdUx/NPEe5DVnO8BDoAQouvgwnx0R/+a6jUn36Z0FSdq8vww==
+"dompurify@^3.0.5 <3.1.7":
+  version "3.1.6"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.1.6.tgz#43c714a94c6a7b8801850f82e756685300a027e2"
+  integrity sha512-cTOAhc36AalkjtBpfG6O8JimdTMWNXjiePT2xQH/ppBGi/4uIpmj8eKyIkMJErXWARyINV/sB38yf8JCLF5pbQ==
 
 domutils@^2.8.0:
   version "2.8.0"
@@ -7818,10 +7818,10 @@ merge2@^1.3.0, merge2@^1.4.1:
   resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.4.1.tgz#4368892f885e907455a6fd7dc55c0c9d404990ae"
   integrity sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==
 
-mermaid@10.9.0:
-  version "10.9.0"
-  resolved "https://registry.yarnpkg.com/mermaid/-/mermaid-10.9.0.tgz#4d1272fbe434bd8f3c2c150554dc8a23a9bf9361"
-  integrity sha512-swZju0hFox/B/qoLKK0rOxxgh8Cf7rJSfAUc1u8fezVihYMvrJAS45GzAxTVf4Q+xn9uMgitBcmWk7nWGXOs/g==
+mermaid@10.9.3:
+  version "10.9.3"
+  resolved "https://registry.yarnpkg.com/mermaid/-/mermaid-10.9.3.tgz#90bc6f15c33dbe5d9507fed31592cc0d88fee9f7"
+  integrity sha512-V80X1isSEvAewIL3xhmz/rVmc27CVljcsbWxkxlWJWY/1kQa4XOABqpDl2qQLGKzpKm6WbTfUEKImBlUfFYArw==
   dependencies:
     "@braintree/sanitize-url" "^6.0.1"
     "@types/d3-scale" "^4.0.3"
@@ -7832,7 +7832,7 @@ mermaid@10.9.0:
     d3-sankey "^0.12.3"
     dagre-d3-es "7.0.10"
     dayjs "^1.11.7"
-    dompurify "^3.0.5"
+    dompurify "^3.0.5 <3.1.7"
     elkjs "^0.9.0"
     katex "^0.16.9"
     khroma "^2.0.0"
@@ -9743,13 +9743,27 @@ stringify-object@^3.3.0:
   dependencies:
     ansi-regex "^5.0.1"
 
-strip-ansi@6.0.1, strip-ansi@^3.0.0, strip-ansi@^6.0.0, strip-ansi@^6.0.1, strip-ansi@^7.0.1:
+strip-ansi@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  integrity sha512-VhumSSbBqDTP8p2ZLKj40UjBCV4+v8bUSEpUb4KjRgWk9pbqGF4REFj6KEagidb2f/M6AzC0EmFyDNGaw9OCzg==
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-ansi@^6.0.0, strip-ansi@^6.0.1:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
   dependencies:
     ansi-regex "^5.0.1"
 
+strip-ansi@^7.0.1:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-7.1.0.tgz#d5b6568ca689d8561370b0707685d22434faff45"
+  integrity sha512-iq6eVVI64nQQTRYq2KtEg2d2uU7LElhTJwsH4YzIHZshxlgZms/wIc4VoDQTlG/IvVIrBKG06CrZnp0qv7hkcQ==
+  dependencies:
+    ansi-regex "^6.0.1"
+
 strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"