fix: call stack size exceeded when paste large text (#6373) (#6396)

* fix: call stack size exceeded when paste large text (#6373)

* fix: add test case for paste multi-line text

* fix

* tweak

* add missing assertion

* add comments

* lint

---------

Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>

src/element/textWysiwyg.test.tsx

@@ -526,6 +526,44 @@ describe("textWysiwyg", () => {
       ]);
     });
 
+    it("should compute the container height correctly and not throw error when height is updated while editing the text", async () => {
+      const diamond = API.createElement({
+        type: "diamond",
+        x: 10,
+        y: 20,
+        width: 90,
+        height: 75,
+      });
+      h.elements = [diamond];
+
+      expect(h.elements.length).toBe(1);
+      expect(h.elements[0].id).toBe(diamond.id);
+
+      API.setSelectedElements([diamond]);
+      Keyboard.keyPress(KEYS.ENTER);
+
+      const editor = document.querySelector(
+        ".excalidraw-textEditorContainer > textarea",
+      ) as HTMLTextAreaElement;
+
+      await new Promise((r) => setTimeout(r, 0));
+      const value = new Array(1000).fill("1").join("\n");
+
+      // Pasting large text to simulate height increase
+      expect(() =>
+        fireEvent.input(editor, { target: { value } }),
+      ).not.toThrow();
+
+      expect(diamond.height).toBe(50020);
+
+      // Clearing text to simulate height decrease
+      expect(() =>
+        fireEvent.input(editor, { target: { value: "" } }),
+      ).not.toThrow();
+
+      expect(diamond.height).toBe(70);
+    });
+
     it("should bind text to container when double clicked on center of transparent container", async () => {
       const rectangle = API.createElement({
         type: "rectangle",
@@ -1181,9 +1219,7 @@ describe("textWysiwyg", () => {
       expect(
         (h.elements[1] as ExcalidrawTextElementWithContainer).fontSize,
       ).toEqual(36);
-      expect(getOriginalContainerHeightFromCache(rectangle.id)).toBe(
-        96.39999999999999,
-      );
+      expect(getOriginalContainerHeightFromCache(rectangle.id)).toBe(97);
     });
 
     it("should update line height when font family updated", async () => {

src/element/textWysiwyg.tsx

@@ -34,6 +34,7 @@ import {
   wrapText,
   getMaxContainerHeight,
   getMaxContainerWidth,
+  computeContainerDimensionForBoundText,
 } from "./textElement";
 import {
   actionDecreaseFontSize,
@@ -208,11 +209,12 @@ export const textWysiwyg = ({
 
         // autogrow container height if text exceeds
         if (!isArrowElement(container) && textElementHeight > maxHeight) {
-          const diff = Math.min(
-            textElementHeight - maxHeight,
-            element.lineHeight,
+          const targetContainerHeight = computeContainerDimensionForBoundText(
+            textElementHeight,
+            container.type,
           );
-          mutateElement(container, { height: containerDims.height + diff });
+
+          mutateElement(container, { height: targetContainerHeight });
           return;
         } else if (
           // autoshrink container height until original container height
@@ -221,11 +223,11 @@ export const textWysiwyg = ({
           containerDims.height > originalContainerData.height &&
           textElementHeight < maxHeight
         ) {
-          const diff = Math.min(
-            maxHeight - textElementHeight,
-            element.lineHeight,
+          const targetContainerHeight = computeContainerDimensionForBoundText(
+            textElementHeight,
+            container.type,
           );
-          mutateElement(container, { height: containerDims.height - diff });
+          mutateElement(container, { height: targetContainerHeight });
         }
         // Start pushing text upward until a diff of 30px (padding)
         // is reached