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Absorb the matrix-react-sdk repository (#28192)
Co-authored-by: github-merge-queue <118344674+github-merge-queue@users.noreply.github.com> Co-authored-by: github-merge-queue <github-merge-queue@users.noreply.github.com> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: Florian Duros <florian.duros@ormaz.fr> Co-authored-by: Kim Brose <kim.brose@nordeck.net> Co-authored-by: Florian Duros <florianduros@element.io> Co-authored-by: R Midhun Suresh <hi@midhun.dev> Co-authored-by: dbkr <986903+dbkr@users.noreply.github.com> Co-authored-by: ElementRobot <releases@riot.im> Co-authored-by: dbkr <dbkr@users.noreply.github.com> Co-authored-by: David Baker <dbkr@users.noreply.github.com> Co-authored-by: Michael Telatynski <7t3chguy@gmail.com> Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com> Co-authored-by: David Langley <davidl@element.io> Co-authored-by: Michael Weimann <michaelw@matrix.org> Co-authored-by: Timshel <Timshel@users.noreply.github.com> Co-authored-by: Sahil Silare <32628578+sahil9001@users.noreply.github.com> Co-authored-by: Will Hunt <will@half-shot.uk> Co-authored-by: Hubert Chathi <hubert@uhoreg.ca> Co-authored-by: Andrew Ferrazzutti <andrewf@element.io> Co-authored-by: Robin <robin@robin.town> Co-authored-by: Tulir Asokan <tulir@maunium.net>
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/*
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Copyright 2024 New Vector Ltd.
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Copyright 2019 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import HistoryManager, { IHistory, MAX_STEP_LENGTH } from "../../../src/editor/history";
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import EditorModel from "../../../src/editor/model";
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import DocumentPosition from "../../../src/editor/position";
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describe("editor/history", function () {
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it("push, then undo", function () {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() } as unknown as EditorModel;
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const caret1 = new DocumentPosition(0, 0);
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const result1 = history.tryPush(model, caret1, "insertText", {});
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expect(result1).toEqual(true);
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parts[0] = "hello world";
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history.tryPush(model, new DocumentPosition(0, 0), "insertText", {});
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expect(history.canUndo()).toEqual(true);
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const undoState = history.undo(model) as IHistory;
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expect(undoState.caret).toBe(caret1);
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expect(undoState.parts).toEqual(["hello"]);
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expect(history.canUndo()).toEqual(false);
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});
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it("push, undo, then redo", function () {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() } as unknown as EditorModel;
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history.tryPush(model, new DocumentPosition(0, 0), "insertText", {});
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parts[0] = "hello world";
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const caret2 = new DocumentPosition(0, 0);
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history.tryPush(model, caret2, "insertText", {});
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history.undo(model);
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expect(history.canRedo()).toEqual(true);
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const redoState = history.redo() as IHistory;
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expect(redoState.caret).toBe(caret2);
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expect(redoState.parts).toEqual(["hello world"]);
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expect(history.canRedo()).toEqual(false);
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expect(history.canUndo()).toEqual(true);
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});
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it("push, undo, push, ensure you can`t redo", function () {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() } as unknown as EditorModel;
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history.tryPush(model, new DocumentPosition(0, 0), "insertText", {});
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parts[0] = "hello world";
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history.tryPush(model, new DocumentPosition(0, 0), "insertText", {});
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history.undo(model);
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parts[0] = "hello world!!";
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history.tryPush(model, new DocumentPosition(0, 0), "insertText", {});
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expect(history.canRedo()).toEqual(false);
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});
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it("not every keystroke stores a history step", function () {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() } as unknown as EditorModel;
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const firstCaret = new DocumentPosition(0, 0);
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history.tryPush(model, firstCaret, "insertText", {});
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const diff = { added: "o" };
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let keystrokeCount = 0;
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do {
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parts[0] = parts[0] + diff.added;
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keystrokeCount += 1;
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} while (!history.tryPush(model, new DocumentPosition(0, 0), "insertText", diff));
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const undoState = history.undo(model) as IHistory;
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expect(undoState.caret).toBe(firstCaret);
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expect(undoState.parts).toEqual(["hello"]);
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expect(history.canUndo()).toEqual(false);
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expect(keystrokeCount).toEqual(MAX_STEP_LENGTH + 1); // +1 before we type before checking
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});
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it("history step is added at word boundary", function () {
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const history = new HistoryManager();
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const model = { serializeParts: () => parts.slice() } as unknown as EditorModel;
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const parts = ["h"];
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let diff = { added: "h" };
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const blankCaret = new DocumentPosition(0, 0);
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expect(history.tryPush(model, blankCaret, "insertText", diff)).toEqual(false);
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diff = { added: "i" };
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parts[0] = "hi";
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expect(history.tryPush(model, blankCaret, "insertText", diff)).toEqual(false);
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diff = { added: " " };
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parts[0] = "hi ";
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const spaceCaret = new DocumentPosition(1, 1);
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expect(history.tryPush(model, spaceCaret, "insertText", diff)).toEqual(true);
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diff = { added: "y" };
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parts[0] = "hi y";
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expect(history.tryPush(model, blankCaret, "insertText", diff)).toEqual(false);
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diff = { added: "o" };
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parts[0] = "hi yo";
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expect(history.tryPush(model, blankCaret, "insertText", diff)).toEqual(false);
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diff = { added: "u" };
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parts[0] = "hi you";
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expect(history.canUndo()).toEqual(true);
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const undoResult = history.undo(model) as IHistory;
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expect(undoResult.caret).toEqual(spaceCaret);
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expect(undoResult.parts).toEqual(["hi "]);
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});
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it("keystroke that didn't add a step can undo", function () {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() } as unknown as EditorModel;
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const firstCaret = new DocumentPosition(0, 0);
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history.tryPush(model, firstCaret, "insertText", {});
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parts[0] = "helloo";
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const result = history.tryPush(model, new DocumentPosition(0, 0), "insertText", { added: "o" });
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expect(result).toEqual(false);
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expect(history.canUndo()).toEqual(true);
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const undoState = history.undo(model) as IHistory;
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expect(undoState.caret).toEqual(firstCaret);
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expect(undoState.parts).toEqual(["hello"]);
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});
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it("undo after keystroke that didn't add a step is able to redo", function () {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() } as unknown as EditorModel;
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history.tryPush(model, new DocumentPosition(0, 0), "insertText", {});
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parts[0] = "helloo";
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const caret = new DocumentPosition(1, 1);
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history.tryPush(model, caret, "insertText", { added: "o" });
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history.undo(model);
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expect(history.canRedo()).toEqual(true);
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const redoState = history.redo() as IHistory;
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expect(redoState.caret).toBe(caret);
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expect(redoState.parts).toEqual(["helloo"]);
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});
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it("overwriting text always stores a step", function () {
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const history = new HistoryManager();
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const parts = ["hello"];
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const model = { serializeParts: () => parts.slice() } as unknown as EditorModel;
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const firstCaret = new DocumentPosition(0, 0);
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history.tryPush(model, firstCaret, "insertText", {});
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const diff = { at: 1, added: "a", removed: "e" };
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const secondCaret = new DocumentPosition(1, 1);
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const result = history.tryPush(model, secondCaret, "insertText", diff);
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expect(result).toEqual(true);
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});
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});
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