Update App.tsx

do not delete last element if draggingElement is type selection

src/components/App.tsx

@@ -894,11 +894,7 @@ class App extends React.Component<AppProps, AppState> {
                       title="Excalidraw Embedded Content"
                       allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
                       allowFullScreen={true}
-                      sandbox={`${
+                      sandbox="allow-same-origin allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox allow-presentation allow-downloads"
-                        embedLink?.sandbox?.allowSameOrigin
-                          ? "allow-same-origin"
-                          : ""
-                      } allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox allow-presentation allow-downloads`}
                     />
                   )}
                 </div>
@@ -1090,7 +1086,7 @@ class App extends React.Component<AppProps, AppState> {
             cursor: CURSOR_TYPE.MOVE,
             pointerEvents: this.state.viewModeEnabled
               ? POINTER_EVENTS.disabled
-              : POINTER_EVENTS.inheritFromUI,
+              : POINTER_EVENTS.enabled,
           }}
           onPointerDown={(event) => this.handleCanvasPointerDown(event)}
           onWheel={(event) => this.handleWheel(event)}
@@ -6404,9 +6400,11 @@ class App extends React.Component<AppProps, AppState> {
         isInvisiblySmallElement(draggingElement)
       ) {
         // remove invisible element which was added in onPointerDown
+        if (draggingElement.type !== "selection") {
           this.scene.replaceAllElements(
             this.scene.getElementsIncludingDeleted().slice(0, -1),
           );
+        }
         this.setState({
           draggingElement: null,
         });

src/data/url.ts

@@ -1,15 +1,11 @@
 import { sanitizeUrl } from "@braintree/sanitize-url";
 
-export const sanitizeHTMLAttribute = (html: string) => {
-  return html.replace(/"/g, """);
-};
-
 export const normalizeLink = (link: string) => {
   link = link.trim();
   if (!link) {
     return link;
   }
-  return sanitizeUrl(sanitizeHTMLAttribute(link));
+  return sanitizeUrl(link);
 };
 
 export const isLocalLink = (link: string | null) => {

src/element/embeddable.ts

@@ -12,13 +12,11 @@ import {
   NonDeletedExcalidrawElement,
   Theme,
 } from "./types";
-import { sanitizeHTMLAttribute } from "../data/url";
 
 type EmbeddedLink =
   | ({
       aspectRatio: { w: number; h: number };
       warning?: string;
-      sandbox?: { allowSameOrigin?: boolean };
     } & (
       | { type: "video" | "generic"; link: string }
       | { type: "document"; srcdoc: (theme: Theme) => string }
@@ -30,21 +28,20 @@ const embeddedLinkCache = new Map<string, EmbeddedLink>();
 const RE_YOUTUBE =
   /^(?:http(?:s)?:\/\/)?(?:www\.)?youtu(?:be\.com|\.be)\/(embed\/|watch\?v=|shorts\/|playlist\?list=|embed\/videoseries\?list=)?([a-zA-Z0-9_-]+)(?:\?t=|&t=|\?start=|&start=)?([a-zA-Z0-9_-]+)?[^\s]*$/;
 const RE_VIMEO =
-  /^(?:http(?:s)?:\/\/)?(?:(?:w){3}\.)?(?:player\.)?vimeo\.com\/(?:video\/)?([^?\s]+)(?:\?.*)?$/;
+  /^(?:http(?:s)?:\/\/)?(?:(?:w){3}.)?(?:player\.)?vimeo\.com\/(?:video\/)?([^?\s]+)(?:\?.*)?$/;
 const RE_FIGMA = /^https:\/\/(?:www\.)?figma\.com/;
 
-const RE_GH_GIST = /^https:\/\/gist\.github\.com\/([\w_-]+)\/([\w_-]+)/;
+const RE_GH_GIST = /^https:\/\/gist\.github\.com/;
 const RE_GH_GIST_EMBED =
-  /^<script[\s\S]*?\ssrc=["'](https:\/\/gist\.github\.com\/.*?)\.js["']/i;
+  /^<script[\s\S]*?\ssrc=["'](https:\/\/gist.github.com\/.*?)\.js["']/i;
 
 // not anchored to start to allow <blockquote> twitter embeds
-const RE_TWITTER =
+const RE_TWITTER = /(?:http(?:s)?:\/\/)?(?:(?:w){3}.)?twitter.com/;
-  /(?:https?:\/\/)?(?:(?:w){3}\.)?(?:twitter|x)\.com\/[^/]+\/status\/(\d+)/;
 const RE_TWITTER_EMBED =
-  /^<blockquote[\s\S]*?\shref=["'](https?:\/\/(?:twitter|x)\.com\/[^"']*)/i;
+  /^<blockquote[\s\S]*?\shref=["'](https:\/\/twitter.com\/[^"']*)/i;
 
 const RE_VALTOWN =
-  /^https:\/\/(?:www\.)?val\.town\/(v|embed)\/[a-zA-Z_$][0-9a-zA-Z_$]+\.[a-zA-Z_$][0-9a-zA-Z_$]+/;
+  /^https:\/\/(?:www\.)?val.town\/(v|embed)\/[a-zA-Z_$][0-9a-zA-Z_$]+\.[a-zA-Z_$][0-9a-zA-Z_$]+/;
 
 const RE_GENERIC_EMBED =
   /^<(?:iframe|blockquote)[\s\S]*?\s(?:src|href)=["']([^"']*)["'][\s\S]*?>$/i;
@@ -139,38 +136,47 @@ export const getEmbedLink = (link: string | null | undefined): EmbeddedLink => {
   }
 
   if (RE_TWITTER.test(link)) {
-    const postId = link.match(RE_TWITTER)![1];
+    let ret: EmbeddedLink;
-    // the embed srcdoc still supports twitter.com domain only.
+    // assume embed code
-    // Note that we don't attempt to parse the username as it can consist of
+    if (/<blockquote/.test(link)) {
-    // non-latin1 characters, and the username in the url can be set to anything
+      const srcDoc = createSrcDoc(link);
-    // without affecting the embed.
+      ret = {
-    const safeURL = sanitizeHTMLAttribute(
+        type: "document",
-      `https://twitter.com/x/status/${postId}`,
+        srcdoc: () => srcDoc,
-    );
+        aspectRatio: { w: 480, h: 480 },
-
+      };
-    const ret: EmbeddedLink = {
+      // assume regular tweet url
+    } else {
+      ret = {
         type: "document",
         srcdoc: (theme: string) =>
           createSrcDoc(
-          `<blockquote class="twitter-tweet" data-dnt="true" data-theme="${theme}"><a href="${safeURL}"></a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>`,
+            `<blockquote class="twitter-tweet" data-dnt="true" data-theme="${theme}"><a href="${link}"></a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>`,
           ),
         aspectRatio: { w: 480, h: 480 },
-      sandbox: { allowSameOrigin: true },
       };
+    }
     embeddedLinkCache.set(originalLink, ret);
     return ret;
   }
 
   if (RE_GH_GIST.test(link)) {
-    const [, user, gistId] = link.match(RE_GH_GIST)!;
+    let ret: EmbeddedLink;
-    const safeURL = sanitizeHTMLAttribute(
+    // assume embed code
-      `https://gist.github.com/${user}/${gistId}`,
+    if (/<script>/.test(link)) {
-    );
+      const srcDoc = createSrcDoc(link);
-    const ret: EmbeddedLink = {
+      ret = {
+        type: "document",
+        srcdoc: () => srcDoc,
+        aspectRatio: { w: 550, h: 720 },
+      };
+      // assume regular url
+    } else {
+      ret = {
         type: "document",
         srcdoc: () =>
           createSrcDoc(`
-          <script src="${safeURL}.js"></script>
+          <script src="${link}.js"></script>
           <style type="text/css">
             * { margin: 0px; }
             table, .gist { height: 100%; }
@@ -179,6 +185,7 @@ export const getEmbedLink = (link: string | null | undefined): EmbeddedLink => {
         `),
         aspectRatio: { w: 550, h: 720 },
       };
+    }
     embeddedLinkCache.set(link, ret);
     return ret;
   }

src/packages/excalidraw/CHANGELOG.md

@@ -11,6 +11,22 @@ The change should be grouped under one of the below section and must contain PR
 Please add the latest change on the top under the correct section.
 -->
 
+## 0.16.1 (2023-09-21)
+
+## Excalidraw Library
+
+**_This section lists the updates made to the excalidraw library and will not affect the integration._**
+
+### Fixes
+
+- More eye-droper fixes [#7019](https://github.com/excalidraw/excalidraw/pull/7019)
+
+### Refactor
+
+- Move excalidraw-app outside src [#6987](https://github.com/excalidraw/excalidraw/pull/6987)
+
+---
+
 ## 0.16.0 (2023-09-19)
 
 - Support creating containers, linear elements, text containers, labelled arrows and arrow bindings programatically [#6546](https://github.com/excalidraw/excalidraw/pull/6546)

src/packages/excalidraw/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@excalidraw/excalidraw",
-  "version": "0.16.3",
+  "version": "0.16.1",
   "main": "main.js",
   "types": "types/packages/excalidraw/index.d.ts",
   "files": [

src/polyfill.ts

@@ -22,5 +22,12 @@ const polyfill = () => {
       configurable: true,
     });
   }
+
+  if (!Element.prototype.replaceChildren) {
+    Element.prototype.replaceChildren = function (...nodes) {
+      this.innerHTML = "";
+      this.append(...nodes);
+    };
+  }
 };
 export default polyfill;