fix: text never goes beyond max width for unbound text elements (#6288)

src/element/textWysiwyg.test.tsx

@@ -3,7 +3,11 @@ import ExcalidrawApp from "../excalidraw-app";
 import { GlobalTestState, render, screen } from "../tests/test-utils";
 import { Keyboard, Pointer, UI } from "../tests/helpers/ui";
 import { CODES, KEYS } from "../keys";
-import { fireEvent } from "../tests/test-utils";
+import {
+  fireEvent,
+  mockBoundingClientRect,
+  restoreOriginalGetBoundingClientRect,
+} from "../tests/test-utils";
 import { queryByText } from "@testing-library/react";
 
 import { FONT_FAMILY } from "../constants";
@@ -221,11 +225,19 @@ describe("textWysiwyg", () => {
 
   describe("Test container-unbound text", () => {
     const { h } = window;
+    const dimensions = { height: 400, width: 800 };
 
     let textarea: HTMLTextAreaElement;
     let textElement: ExcalidrawTextElement;
+
+    beforeAll(() => {
+      mockBoundingClientRect(dimensions);
+    });
+
     beforeEach(async () => {
       await render(<ExcalidrawApp />);
+      //@ts-ignore
+      h.app.refreshDeviceState(h.app.excalidrawContainerRef.current!);
 
       textElement = UI.createElement("text");
 
@@ -235,6 +247,10 @@ describe("textWysiwyg", () => {
       )!;
     });
 
+    afterAll(() => {
+      restoreOriginalGetBoundingClientRect();
+    });
+
     it("should add a tab at the start of the first line", () => {
       const event = new KeyboardEvent("keydown", { key: KEYS.TAB });
       textarea.value = "Line#1\nLine#2";
@@ -433,6 +449,27 @@ describe("textWysiwyg", () => {
       );
       expect(h.state.zoom.value).toBe(1);
     });
+
+    it("text should never go beyond max width", async () => {
+      UI.clickTool("text");
+      mouse.clickAt(750, 300);
+
+      textarea = document.querySelector(
+        ".excalidraw-textEditorContainer > textarea",
+      )!;
+      fireEvent.change(textarea, {
+        target: {
+          value:
+            "Excalidraw is an opensource virtual collaborative whiteboard for sketching hand-drawn like diagrams!",
+        },
+      });
+
+      textarea.dispatchEvent(new Event("input"));
+      await new Promise((cb) => setTimeout(cb, 0));
+      textarea.blur();
+      expect(textarea.style.width).toBe("792px");
+      expect(h.elements[0].width).toBe(1000);
+    });
   });
 
   describe("Test container-bound text", () => {
@@ -631,11 +668,11 @@ describe("textWysiwyg", () => {
     ["freedraw", "line"].forEach((type: any) => {
       it(`shouldn't create text element when pressing 'Enter' key on ${type} `, async () => {
         h.elements = [];
-        const elemnet = UI.createElement(type, {
+        const element = UI.createElement(type, {
           width: 100,
           height: 50,
         });
-        API.setSelectedElements([elemnet]);
+        API.setSelectedElements([element]);
         Keyboard.keyPress(KEYS.ENTER);
         expect(h.elements.length).toBe(1);
       });

src/element/textWysiwyg.tsx

@@ -272,9 +272,9 @@ export const textWysiwyg = ({
         : updatedTextElement.height / lines.length;
       if (!container) {
         maxWidth = (appState.width - 8 - viewportX) / appState.zoom.value;
-      }
-      // As firefox, Safari needs little higher dimensions on DOM
-      if (isFirefox || isSafari) {
+        textElementWidth = Math.min(textElementWidth, maxWidth);
+      } else if (isFirefox || isSafari) {
+        // As firefox, Safari needs little higher dimensions on DOM
         textElementWidth += 0.5;
       }
       // Make sure text editor height doesn't go beyond viewport