Merge branch 'master' into mtolmacs/chore/rename-inside-binding

Signed-off-by: Mark Tolmacs <mark@lazycat.hu>

packages/element/tests/collision.test.tsx

@@ -1,4 +1,4 @@
-import { arrayToMap } from "@excalidraw/common";
+import { arrayToMap, reseed } from "@excalidraw/common";
 import { type GlobalPoint, type LocalPoint, pointFrom } from "@excalidraw/math";
 import { Excalidraw } from "@excalidraw/excalidraw";
 import { API } from "@excalidraw/excalidraw/tests/helpers/api";
@@ -12,6 +12,7 @@ import { hitElementItself } from "../src/collision";
 describe("check rotated elements can be hit:", () => {
   beforeEach(async () => {
     localStorage.clear();
+    reseed(7);
     await render(<Excalidraw handleKeyboardGlobally={true} />);
   });
 
@@ -56,6 +57,7 @@ describe("hitElementItself cache", () => {
     });
 
     localStorage.clear();
+    reseed(7);
     await render(<Excalidraw handleKeyboardGlobally={true} />);
   });
 

packages/element/tests/embeddable.test.ts

@@ -1,4 +1,4 @@
-import { getEmbedLink } from "../src/embeddable";
+import { embeddableURLValidator, getEmbedLink } from "../src/embeddable";
 
 describe("YouTube timestamp parsing", () => {
   it("should parse YouTube URLs with timestamp in seconds", () => {
@@ -151,3 +151,83 @@ describe("YouTube timestamp parsing", () => {
     }
   });
 });
+
+describe("Google Drive video embedding", () => {
+  it.each([
+    {
+      url: "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view?usp=sharing",
+      expectedLink:
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview",
+    },
+    {
+      url: "https://drive.google.com/open?id=1AbCdEfGhIjKlMnOpQrStUvWxYz123456",
+      expectedLink:
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview",
+    },
+    {
+      url: "https://drive.google.com/uc?export=download&id=1AbCdEfGhIjKlMnOpQrStUvWxYz123456",
+      expectedLink:
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview",
+    },
+  ])("should normalize Google Drive link: $url", ({ url, expectedLink }) => {
+    const result = getEmbedLink(url);
+
+    expect(result).toBeTruthy();
+    expect(result?.type).toBe("video");
+    if (result?.type === "video" || result?.type === "generic") {
+      expect(result.link).toBe(expectedLink);
+    }
+    expect(result?.intrinsicSize).toEqual({ w: 560, h: 315 });
+  });
+
+  it("should preserve resourcekey when available", () => {
+    const url =
+      "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view?resourcekey=0-abcdef123456";
+    const result = getEmbedLink(url);
+
+    expect(result).toBeTruthy();
+    expect(result?.type).toBe("video");
+    if (result?.type === "video" || result?.type === "generic") {
+      expect(result.link).toBe(
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview?resourcekey=0-abcdef123456",
+      );
+    }
+  });
+
+  it("should preserve timestamp when available", () => {
+    const url =
+      "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view?t=9";
+    const result = getEmbedLink(url);
+
+    expect(result).toBeTruthy();
+    expect(result?.type).toBe("video");
+    if (result?.type === "video" || result?.type === "generic") {
+      expect(result.link).toBe(
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview?t=9",
+      );
+    }
+  });
+
+  it("should preserve resourcekey and timestamp together", () => {
+    const url =
+      "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view?resourcekey=0-abcdef123456&t=9";
+    const result = getEmbedLink(url);
+
+    expect(result).toBeTruthy();
+    expect(result?.type).toBe("video");
+    if (result?.type === "video" || result?.type === "generic") {
+      expect(result.link).toBe(
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/preview?resourcekey=0-abcdef123456&t=9",
+      );
+    }
+  });
+
+  it("should validate Google Drive domain by default", () => {
+    expect(
+      embeddableURLValidator(
+        "https://drive.google.com/file/d/1AbCdEfGhIjKlMnOpQrStUvWxYz123456/view",
+        undefined,
+      ),
+    ).toBe(true);
+  });
+});

packages/element/tests/fractionalIndex.test.ts

@@ -1,9 +1,8 @@
 /* eslint-disable no-lone-blocks */
-import { generateKeyBetween } from "fractional-indexing";
-
 import { arrayToMap } from "@excalidraw/common";
 
 import {
+  InvalidFractionalIndexError,
   syncInvalidIndices,
   syncMovedIndices,
   validateFractionalIndices,
@@ -13,13 +12,34 @@ import { deepCopyElement } from "@excalidraw/element";
 
 import { API } from "@excalidraw/excalidraw/tests/helpers/api";
 
+import {
+  generateKeyBetween,
+  validateOrderKey,
+} from "@excalidraw/fractional-indexing";
+
 import type {
   ElementsMap,
   ExcalidrawElement,
   FractionalIndex,
 } from "@excalidraw/element/types";
 
-import { InvalidFractionalIndexError } from "../src/fractionalIndex";
+describe("fractional index format validation", () => {
+  it("should reject malformed base62 order keys", () => {
+    expect(() => validateOrderKey("a!")).toThrow();
+    expect(() => validateOrderKey("a_")).toThrow();
+    expect(() => validateOrderKey("a1!")).toThrow();
+    expect(() => validateOrderKey("a1_")).toThrow();
+    expect(() => validateOrderKey("zd0032")).toThrow();
+  });
+
+  it("should accept valid base62 order keys", () => {
+    expect(() => validateOrderKey("Zz")).not.toThrow();
+    expect(() => validateOrderKey("a0")).not.toThrow();
+    expect(() => validateOrderKey("a1")).not.toThrow();
+    expect(() => validateOrderKey("a1V")).not.toThrow();
+    expect(() => validateOrderKey("z".padEnd(28, "z"))).not.toThrow();
+  });
+});
 
 describe("sync invalid indices with array order", () => {
   describe("should NOT sync empty array", () => {
@@ -104,6 +124,46 @@ describe("sync invalid indices with array order", () => {
     });
   });
 
+  describe("should sync when fractional index is malformed", () => {
+    // "zd0032" has head "z" which requires length 28 per getIntegerLength,
+    // but the string is far too short, so validateOrderKey throws for it
+    testInvalidIndicesSync({
+      elements: [{ id: "A", index: "zd0032" }],
+      expect: {
+        unchangedElements: [],
+      },
+    });
+
+    testInvalidIndicesSync({
+      elements: [
+        { id: "A", index: "a1" },
+        { id: "B", index: "zd0032" },
+        { id: "C", index: "a3" },
+      ],
+      expect: {
+        unchangedElements: ["A", "C"],
+      },
+    });
+
+    testInvalidIndicesSync({
+      elements: [{ id: "A", index: "a!" }],
+      expect: {
+        unchangedElements: [],
+      },
+    });
+
+    testInvalidIndicesSync({
+      elements: [
+        { id: "A", index: "a1" },
+        { id: "B", index: "a!" },
+        { id: "C", index: "a2" },
+      ],
+      expect: {
+        unchangedElements: ["A", "C"],
+      },
+    });
+  });
+
   describe("should sync when fractional indices are duplicated", () => {
     testInvalidIndicesSync({
       elements: [

packages/element/tests/frame.test.tsx

@@ -2,15 +2,24 @@ import {
   convertToExcalidrawElements,
   Excalidraw,
 } from "@excalidraw/excalidraw";
+import { arrayToMap } from "@excalidraw/common";
 
 import { API } from "@excalidraw/excalidraw/tests/helpers/api";
-import { Keyboard, Pointer } from "@excalidraw/excalidraw/tests/helpers/ui";
+import { Keyboard, Pointer, UI } from "@excalidraw/excalidraw/tests/helpers/ui";
+import { getTextEditor } from "@excalidraw/excalidraw/tests/queries/dom";
 import {
   getCloneByOrigId,
   render,
 } from "@excalidraw/excalidraw/tests/test-utils";
 
-import type { ExcalidrawElement } from "../src/types";
+import { getSelectedElements } from "@excalidraw/excalidraw/scene";
+
+import { elementOverlapsWithFrame } from "../src/frame";
+
+import type {
+  ExcalidrawElement,
+  ExcalidrawFrameLikeElement,
+} from "../src/types";
 
 const { h } = window;
 const mouse = new Pointer("mouse");
@@ -125,6 +134,250 @@ describe("adding elements to frames", () => {
     });
   });
 
+  it("should treat an element fully containing a frame as overlapping the frame", () => {
+    const containingRect = API.createElement({
+      type: "rectangle",
+      x: -50,
+      y: -50,
+      width: 250,
+      height: 250,
+    });
+
+    API.setElements([containingRect, frame]);
+
+    expect(
+      elementOverlapsWithFrame(
+        containingRect,
+        frame as ExcalidrawFrameLikeElement,
+        arrayToMap(h.elements),
+      ),
+    ).toBe(true);
+  });
+
+  it("should not add a newly created element to a frame behind a non-frame element", () => {
+    const cover = API.createElement({
+      id: "cover",
+      type: "rectangle",
+      x: 10,
+      y: 10,
+      width: 80,
+      height: 80,
+      backgroundColor: "#ffc9c9",
+    });
+
+    API.setElements([frame, cover]);
+
+    UI.clickTool("rectangle");
+    mouse.downAt(20, 20);
+    mouse.moveTo(40, 40);
+    mouse.upAt(40, 40);
+
+    const createdElement = h.elements.find(
+      (element) => element.id !== frame.id && element.id !== cover.id,
+    );
+
+    expect(createdElement?.frameId).toBe(null);
+    expect(h.elements.map((element) => element.id)).toEqual([
+      frame.id,
+      cover.id,
+      createdElement?.id,
+    ]);
+  });
+
+  it("should add a newly created element to a frame over a non-frame element", () => {
+    const cover = API.createElement({
+      id: "cover",
+      type: "rectangle",
+      x: 10,
+      y: 10,
+      width: 80,
+      height: 80,
+      backgroundColor: "#ffc9c9",
+    });
+
+    API.setElements([cover, frame]);
+
+    UI.clickTool("rectangle");
+    mouse.downAt(20, 20);
+    mouse.moveTo(40, 40);
+    mouse.upAt(40, 40);
+
+    const createdElement = h.elements.find(
+      (element) => element.id !== frame.id && element.id !== cover.id,
+    );
+
+    expect(createdElement?.frameId).toBe(frame.id);
+  });
+
+  it("should highlight the target frame while creating a new element", () => {
+    API.setElements([frame]);
+
+    UI.clickTool("rectangle");
+    mouse.downAt(20, 20);
+    mouse.moveTo(40, 40);
+
+    expect(h.state.frameToHighlight?.id).toBe(frame.id);
+
+    mouse.upAt(40, 40);
+
+    expect(h.state.frameToHighlight).toBe(null);
+  });
+
+  it("should highlight the target frame while hovering with a creation tool", () => {
+    API.setElements([frame]);
+
+    UI.clickTool("rectangle");
+    mouse.moveTo(20, 20);
+
+    expect(h.state.frameToHighlight?.id).toBe(frame.id);
+
+    mouse.moveTo(200, 200);
+
+    expect(h.state.frameToHighlight).toBe(null);
+  });
+
+  it("should not add grid-snapped text outside the frame to the clicked frame", async () => {
+    const offsetFrame = API.createElement({
+      id: "offsetFrame",
+      type: "frame",
+      x: 10,
+      y: 0,
+      width: 150,
+      height: 150,
+    });
+
+    API.setElements([offsetFrame]);
+    API.setAppState({
+      gridModeEnabled: true,
+    });
+
+    UI.clickTool("text");
+    mouse.clickAt(12, 0);
+
+    await getTextEditor();
+
+    const createdText = h.elements.find(
+      (element) => element.id !== offsetFrame.id,
+    );
+
+    expect(createdText?.x).toBe(0);
+    expect(createdText?.y).toBe(0);
+    expect(createdText?.frameId).toBe(null);
+  });
+
+  it("should add a newly created element to a frame behind another frame", () => {
+    const lockedFrame = API.createElement({
+      id: "lockedFrame",
+      type: "frame",
+      x: 10,
+      y: 10,
+      width: 80,
+      height: 80,
+      locked: true,
+    });
+
+    API.setElements([frame, lockedFrame]);
+
+    UI.clickTool("rectangle");
+    mouse.downAt(20, 20);
+    mouse.moveTo(40, 40);
+    mouse.upAt(40, 40);
+
+    const createdElement = h.elements.find(
+      (element) => element.id !== frame.id && element.id !== lockedFrame.id,
+    );
+
+    expect(createdElement?.frameId).toBe(frame.id);
+  });
+
+  it("should insert a newly created frame child just below its frame", () => {
+    const frameChildUnderCursor = API.createElement({
+      id: "frameChildUnderCursor",
+      type: "rectangle",
+      x: 10,
+      y: 10,
+      width: 80,
+      height: 80,
+      backgroundColor: "#ffc9c9",
+      frameId: frame.id,
+    });
+    const otherFrameChild = API.createElement({
+      id: "otherFrameChild",
+      type: "rectangle",
+      x: 100,
+      y: 20,
+      width: 20,
+      height: 20,
+      frameId: frame.id,
+    });
+
+    API.setElements([frameChildUnderCursor, otherFrameChild, frame]);
+
+    UI.clickTool("rectangle");
+    mouse.downAt(20, 20);
+    mouse.moveTo(40, 40);
+    mouse.upAt(40, 40);
+
+    const createdElement = h.elements.find(
+      (element) =>
+        element.id !== frame.id &&
+        element.id !== frameChildUnderCursor.id &&
+        element.id !== otherFrameChild.id,
+    );
+
+    expect(createdElement?.frameId).toBe(frame.id);
+    expect(h.elements.map((element) => element.id)).toEqual([
+      frameChildUnderCursor.id,
+      otherFrameChild.id,
+      createdElement?.id,
+      frame.id,
+    ]);
+  });
+
+  it("should insert a newly created frame child above the highest frame child", () => {
+    const frameChildUnderCursor = API.createElement({
+      id: "frameChildUnderCursor",
+      type: "rectangle",
+      x: 10,
+      y: 10,
+      width: 80,
+      height: 80,
+      backgroundColor: "#ffc9c9",
+      frameId: frame.id,
+    });
+    const otherFrameChild = API.createElement({
+      id: "otherFrameChild",
+      type: "rectangle",
+      x: 100,
+      y: 20,
+      width: 20,
+      height: 20,
+      frameId: frame.id,
+    });
+
+    API.setElements([frame, frameChildUnderCursor, otherFrameChild]);
+
+    UI.clickTool("rectangle");
+    mouse.downAt(20, 20);
+    mouse.moveTo(40, 40);
+    mouse.upAt(40, 40);
+
+    const createdElement = h.elements.find(
+      (element) =>
+        element.id !== frame.id &&
+        element.id !== frameChildUnderCursor.id &&
+        element.id !== otherFrameChild.id,
+    );
+
+    expect(createdElement?.frameId).toBe(frame.id);
+    expect(h.elements.map((element) => element.id)).toEqual([
+      frame.id,
+      frameChildUnderCursor.id,
+      otherFrameChild.id,
+      createdElement?.id,
+    ]);
+  });
+
   const commonTestCases = async (
     func: typeof resizeFrameOverElement | typeof dragElementIntoFrame,
   ) => {
@@ -415,6 +668,345 @@ describe("adding elements to frames", () => {
   describe("dragging elements into the frame", async () => {
     await commonTestCases(dragElementIntoFrame);
 
+    it("should add a dragged element fully containing the frame", () => {
+      const containingRect = API.createElement({
+        type: "rectangle",
+        x: 220,
+        y: 20,
+        width: 300,
+        height: 300,
+      });
+
+      API.setElements([frame, containingRect]);
+
+      dragElementIntoFrame(frame, containingRect);
+
+      expect(API.getElement(containingRect).frameId).toBe(frame.id);
+    });
+
+    it("should drag an element into a frame", () => {
+      API.setElements([rect2, frame]);
+
+      dragElementIntoFrame(frame, rect2);
+
+      expect(rect2.frameId).toBe(frame.id);
+    });
+
+    it("should layer a dragged element above the highest frame child", () => {
+      const frameChild = API.createElement({
+        id: "frameChild",
+        type: "rectangle",
+        x: 10,
+        y: 10,
+        width: 20,
+        height: 20,
+        frameId: frame.id,
+      });
+
+      API.setElements([frame, frameChild, rect2]);
+
+      dragElementIntoFrame(frame, rect2);
+
+      expect(rect2.frameId).toBe(frame.id);
+      expect(h.elements.map((element) => element.id)).toEqual([
+        frame.id,
+        frameChild.id,
+        rect2.id,
+      ]);
+      expect(rect2.index! > frameChild.index!).toBe(true);
+      expect(rect2.index! > frame.index!).toBe(true);
+    });
+
+    it("should preview a dragged element above the highest frame child before pointerup", () => {
+      const frameChild = API.createElement({
+        id: "frameChild",
+        type: "rectangle",
+        x: 10,
+        y: 10,
+        width: 20,
+        height: 20,
+        frameId: frame.id,
+      });
+
+      API.setElements([rect2, frame, frameChild]);
+      API.setSelectedElements([rect2]);
+      API.updateElement(rect2, {
+        x: 10,
+        y: 10,
+      });
+
+      const getRenderableElementIds = (
+        selectedElementsAreBeingDragged: boolean,
+      ) => {
+        return h.app.renderer
+          .getRenderableElements({
+            zoom: h.state.zoom,
+            offsetLeft: 0,
+            offsetTop: 0,
+            scrollX: 0,
+            scrollY: 0,
+            height: 1000,
+            width: 1000,
+            editingTextElement: h.state.editingTextElement,
+            newElement: h.state.newElement,
+            selectedElements: getSelectedElements(h.elements, h.state),
+            selectedElementsAreBeingDragged,
+            frameToHighlight: frame as ExcalidrawFrameLikeElement,
+          })
+          .visibleElements.map((element) => element.id);
+      };
+
+      expect(h.elements.map((element) => element.id)).toEqual([
+        rect2.id,
+        frame.id,
+        frameChild.id,
+      ]);
+      expect(getRenderableElementIds(false)).toEqual([
+        rect2.id,
+        frame.id,
+        frameChild.id,
+      ]);
+      expect(getRenderableElementIds(true)).toEqual([
+        frame.id,
+        frameChild.id,
+        rect2.id,
+      ]);
+      expect(h.elements.map((element) => element.id)).toEqual([
+        rect2.id,
+        frame.id,
+        frameChild.id,
+      ]);
+      expect(rect2.frameId).toBe(null);
+    });
+
+    it("should not preview reorder dragged elements already in the highlighted frame", () => {
+      const frameChild = API.createElement({
+        id: "frameChild",
+        type: "rectangle",
+        x: 10,
+        y: 10,
+        width: 20,
+        height: 20,
+        frameId: frame.id,
+      });
+      const otherFrameChild = API.createElement({
+        id: "otherFrameChild",
+        type: "rectangle",
+        x: 40,
+        y: 10,
+        width: 20,
+        height: 20,
+        frameId: frame.id,
+      });
+
+      API.setElements([frameChild, frame, otherFrameChild]);
+      API.setSelectedElements([frameChild]);
+
+      const renderableElementIds = h.app.renderer
+        .getRenderableElements({
+          zoom: h.state.zoom,
+          offsetLeft: 0,
+          offsetTop: 0,
+          scrollX: 0,
+          scrollY: 0,
+          height: 1000,
+          width: 1000,
+          editingTextElement: h.state.editingTextElement,
+          newElement: h.state.newElement,
+          selectedElements: getSelectedElements(h.elements, h.state),
+          selectedElementsAreBeingDragged: true,
+          frameToHighlight: frame as ExcalidrawFrameLikeElement,
+        })
+        .visibleElements.map((element) => element.id);
+
+      expect(renderableElementIds).toEqual([
+        frameChild.id,
+        frame.id,
+        otherFrameChild.id,
+      ]);
+    });
+
+    it("should put a dragged mixed selection above the highest frame child", () => {
+      const frameChild = API.createElement({
+        id: "frameChild",
+        type: "rectangle",
+        x: 50,
+        y: 10,
+        width: 20,
+        height: 20,
+        frameId: frame.id,
+        boundElements: [{ id: "boundText", type: "text" }],
+      });
+      const boundText = API.createElement({
+        id: "boundText",
+        type: "text",
+        x: 50,
+        y: 10,
+        width: 20,
+        height: 20,
+        containerId: frameChild.id,
+        frameId: frame.id,
+      });
+      const otherFrameChild = API.createElement({
+        id: "otherFrameChild",
+        type: "rectangle",
+        x: 80,
+        y: 10,
+        width: 20,
+        height: 20,
+        frameId: frame.id,
+      });
+      const nonFrameElement = API.createElement({
+        id: "nonFrameElement",
+        type: "rectangle",
+        x: 155,
+        y: 10,
+        width: 20,
+        height: 20,
+      });
+
+      API.setElements([
+        frame,
+        frameChild,
+        boundText,
+        otherFrameChild,
+        nonFrameElement,
+      ]);
+      API.setSelectedElements([frameChild, nonFrameElement]);
+
+      mouse.downAt(
+        nonFrameElement.x + nonFrameElement.width / 2,
+        nonFrameElement.y + nonFrameElement.height / 2,
+      );
+      mouse.moveTo(frame.x + frame.width - 5, nonFrameElement.y + 10);
+      mouse.up();
+
+      expect(frameChild.frameId).toBe(frame.id);
+      expect(boundText.frameId).toBe(frame.id);
+      expect(nonFrameElement.frameId).toBe(frame.id);
+      expect(h.elements.map((element) => element.id)).toEqual([
+        frame.id,
+        otherFrameChild.id,
+        frameChild.id,
+        boundText.id,
+        nonFrameElement.id,
+      ]);
+    });
+
+    it("should not reorder dragged elements already in the highlighted frame", () => {
+      const frameChild = API.createElement({
+        id: "frameChild",
+        type: "rectangle",
+        x: 50,
+        y: 10,
+        width: 20,
+        height: 20,
+        frameId: frame.id,
+      });
+      const otherFrameChild = API.createElement({
+        id: "otherFrameChild",
+        type: "rectangle",
+        x: 80,
+        y: 10,
+        width: 20,
+        height: 20,
+        frameId: frame.id,
+      });
+
+      API.setElements([frame, frameChild, otherFrameChild]);
+      API.setSelectedElements([frameChild]);
+
+      mouse.downAt(
+        frameChild.x + frameChild.width / 2,
+        frameChild.y + frameChild.height / 2,
+      );
+      mouse.moveTo(frameChild.x + frameChild.width / 2 + 5, frameChild.y + 10);
+      mouse.up();
+
+      expect(frameChild.frameId).toBe(frame.id);
+      expect(h.elements.map((element) => element.id)).toEqual([
+        frame.id,
+        frameChild.id,
+        otherFrameChild.id,
+      ]);
+    });
+
+    it("should not drag an element into a frame behind a non-frame element", () => {
+      const cover = API.createElement({
+        id: "cover",
+        type: "rectangle",
+        x: 10,
+        y: 10,
+        width: 80,
+        height: 80,
+        backgroundColor: "#ffc9c9",
+      });
+      API.setElements([frame, cover, rect2]);
+
+      mouse.clickAt(rect2.x, rect2.y);
+      mouse.downAt(rect2.x + rect2.width / 2, rect2.y + rect2.height / 2);
+      mouse.moveTo(20, 20);
+      mouse.upAt(20, 20);
+
+      expect(rect2.frameId).toBe(null);
+    });
+
+    it("should drag an element into a frame over a non-frame element", () => {
+      const cover = API.createElement({
+        id: "cover",
+        type: "rectangle",
+        x: 10,
+        y: 10,
+        width: 80,
+        height: 80,
+        backgroundColor: "#ffc9c9",
+      });
+      API.setElements([cover, rect2, frame]);
+
+      mouse.clickAt(rect2.x, rect2.y);
+      mouse.downAt(rect2.x + rect2.width / 2, rect2.y + rect2.height / 2);
+      mouse.moveTo(20, 20);
+      mouse.upAt(20, 20);
+
+      expect(rect2.frameId).toBe(frame.id);
+    });
+
+    it("should keep dragging a frame child over a non-frame element above its frame", () => {
+      const cover = API.createElement({
+        id: "cover",
+        type: "rectangle",
+        x: 10,
+        y: 10,
+        width: 80,
+        height: 80,
+        backgroundColor: "#ffc9c9",
+      });
+      const frameChild = API.createElement({
+        id: "frameChild",
+        type: "rectangle",
+        x: 100,
+        y: 20,
+        width: 20,
+        height: 20,
+        frameId: frame.id,
+      });
+
+      API.setElements([frameChild, frame, cover]);
+      API.setSelectedElements([frameChild]);
+
+      mouse.downAt(
+        frameChild.x + frameChild.width / 2,
+        frameChild.y + frameChild.height / 2,
+      );
+      mouse.moveTo(20, 20);
+
+      expect(h.state.frameToHighlight?.id).toBe(frame.id);
+
+      mouse.upAt(20, 20);
+
+      expect(frameChild.frameId).toBe(frame.id);
+    });
+
     it.skip("should drag element inside, duplicate it and keep it in frame", () => {
       API.setElements([frame, rect2]);
 

packages/element/tests/sortElements.test.ts

@@ -326,19 +326,59 @@ describe("normalizeElementsOrder", () => {
       ]),
       [
         "BA_rect1",
+        "CBA_rect3",
+        "CBA_rect7",
         "BA_rect5",
         "BA_rect6",
         "A_rect2",
         "A_rect5",
-        "CBA_rect3",
-        "CBA_rect7",
         "rect4",
         "X_rect8",
-        "X_rect11",
         "YX_rect10",
+        "X_rect11",
         "rect9",
       ],
     );
+    assertOrder(
+      normalizeElementOrder([
+        API.createElement({
+          id: "A_rect1",
+          type: "rectangle",
+          groupIds: ["A"],
+        }),
+        API.createElement({
+          id: "CBA_rect2",
+          type: "rectangle",
+          groupIds: ["C", "B", "A"],
+        }),
+        API.createElement({
+          id: "A_rect3",
+          type: "rectangle",
+          groupIds: ["A"],
+        }),
+      ]),
+      ["A_rect1", "CBA_rect2", "A_rect3"],
+    );
+    assertOrder(
+      normalizeElementOrder([
+        API.createElement({
+          id: "abcT_rect1",
+          type: "rectangle",
+          groupIds: ["ab", "c", "T"],
+        }),
+        API.createElement({
+          id: "abcT_rect2",
+          type: "rectangle",
+          groupIds: ["a", "bc", "T"],
+        }),
+        API.createElement({
+          id: "abcT_rect3",
+          type: "rectangle",
+          groupIds: ["ab", "c", "T"],
+        }),
+      ]),
+      ["abcT_rect1", "abcT_rect3", "abcT_rect2"],
+    );
   });
 
   // TODO

packages/element/tests/textWrapping.test.ts

@@ -1,4 +1,8 @@
-import { wrapText, parseTokens } from "../src/textWrapping";
+import {
+  getWrappedTextLines,
+  parseTokens,
+  wrapText,
+} from "../src/textWrapping";
 
 import type { FontString } from "../src/types";
 
@@ -102,6 +106,71 @@ describe("Test wrapText", () => {
     expect(res2).toBe(`\tA)\none\ntab\n- two\ntabs\n- 8\nspace\ns`);
   });
 
+  it("should retain original text offsets for wrapped lines", () => {
+    expect(getWrappedTextLines("Hello World!", font, 60)).toEqual([
+      {
+        text: "Hello",
+        start: 0,
+        end: 5,
+      },
+      {
+        text: "World!",
+        start: 6,
+        end: 12,
+      },
+    ]);
+  });
+
+  it("should exclude whitespace trimmed away at soft-wrap boundaries from line offsets", () => {
+    expect(getWrappedTextLines("  Hello  World", font, 90)).toEqual([
+      {
+        text: "  Hello",
+        start: 0,
+        end: 7,
+      },
+      {
+        text: "World",
+        start: 9,
+        end: 14,
+      },
+    ]);
+  });
+
+  it("should retain offsets when wrapping a single long token", () => {
+    expect(getWrappedTextLines("Excalidraw", font, 50)).toEqual([
+      {
+        text: "Excal",
+        start: 0,
+        end: 5,
+      },
+      {
+        text: "idraw",
+        start: 5,
+        end: 10,
+      },
+    ]);
+  });
+
+  it("should preserve empty hard lines in metadata", () => {
+    expect(getWrappedTextLines("A\n\nB", font, 100)).toEqual([
+      {
+        text: "A",
+        start: 0,
+        end: 1,
+      },
+      {
+        text: "",
+        start: 2,
+        end: 2,
+      },
+      {
+        text: "B",
+        start: 3,
+        end: 4,
+      },
+    ]);
+  });
+
   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"