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Merge matrix-react-sdk into element-web

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Merge remote-tracking branch 'repomerge/t3chguy/repomerge' into t3chguy/repo-merge

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
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Michael Telatynski 2024-10-15 14:57:26 +01:00
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test/unit-tests/editor/caret-test.ts Normal file
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/*
Copyright 2024 New Vector Ltd.
Copyright 2019 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import { getLineAndNodePosition } from "../../../src/editor/caret";
import EditorModel from "../../../src/editor/model";
import { createPartCreator } from "./mock";
describe("editor/caret: DOM position for caret", function () {
describe("basic text handling", function () {
it("at end of single line", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("hello")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 0, offset: 5 });
expect(lineIndex).toBe(0);
expect(nodeIndex).toBe(0);
expect(offset).toBe(5);
});
it("at start of single line", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("hello")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 0, offset: 0 });
expect(lineIndex).toBe(0);
expect(nodeIndex).toBe(0);
expect(offset).toBe(0);
});
it("at middle of single line", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("hello")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 0, offset: 2 });
expect(lineIndex).toBe(0);
expect(nodeIndex).toBe(0);
expect(offset).toBe(2);
});
});
describe("handling line breaks", function () {
it("at start of first line which is empty", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.newline(), pc.plain("hello world")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 0, offset: 0 });
expect(lineIndex).toBe(0);
expect(nodeIndex).toBe(-1);
expect(offset).toBe(0);
});
it("at end of last line", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("hello"), pc.newline(), pc.plain("world")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 2, offset: 5 });
expect(lineIndex).toBe(1);
expect(nodeIndex).toBe(0);
expect(offset).toBe(5);
});
it("at start of last line", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("hello"), pc.newline(), pc.plain("world")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 2, offset: 0 });
expect(lineIndex).toBe(1);
expect(nodeIndex).toBe(0);
expect(offset).toBe(0);
});
it("before empty line", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("hello"), pc.newline(), pc.newline(), pc.plain("world")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 0, offset: 5 });
expect(lineIndex).toBe(0);
expect(nodeIndex).toBe(0);
expect(offset).toBe(5);
});
it("in empty line", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("hello"), pc.newline(), pc.newline(), pc.plain("world")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 1, offset: 1 });
expect(lineIndex).toBe(1);
expect(nodeIndex).toBe(-1);
expect(offset).toBe(0);
});
it("after empty line", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("hello"), pc.newline(), pc.newline(), pc.plain("world")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 3, offset: 0 });
expect(lineIndex).toBe(2);
expect(nodeIndex).toBe(0);
expect(offset).toBe(0);
});
});
describe("handling non-editable parts and caret nodes", function () {
it("at start of non-editable part (with plain text around)", function () {
const pc = createPartCreator();
const model = new EditorModel(
[pc.plain("hello"), pc.userPill("Alice", "@alice:hs.tld"), pc.plain("!")],
pc,
);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 1, offset: 0 });
expect(lineIndex).toBe(0);
expect(nodeIndex).toBe(0);
expect(offset).toBe(5);
});
it("in middle of non-editable part (with plain text around)", function () {
const pc = createPartCreator();
const model = new EditorModel(
[pc.plain("hello"), pc.userPill("Alice", "@alice:hs.tld"), pc.plain("!")],
pc,
);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 1, offset: 2 });
expect(lineIndex).toBe(0);
expect(nodeIndex).toBe(2);
expect(offset).toBe(0);
});
it("at start of non-editable part (without plain text around)", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.userPill("Alice", "@alice:hs.tld")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 0, offset: 0 });
expect(lineIndex).toBe(0);
//presumed nodes on line are (caret, pill, caret)
expect(nodeIndex).toBe(0);
expect(offset).toBe(0);
});
it("in middle of non-editable part (without plain text around)", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.userPill("Alice", "@alice:hs.tld")], pc);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 0, offset: 1 });
expect(lineIndex).toBe(0);
//presumed nodes on line are (caret, pill, caret)
expect(nodeIndex).toBe(2);
expect(offset).toBe(0);
});
it("in middle of a first non-editable part, with another one following", function () {
const pc = createPartCreator();
const model = new EditorModel(
[pc.userPill("Alice", "@alice:hs.tld"), pc.userPill("Bob", "@bob:hs.tld")],
pc,
);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 0, offset: 1 });
expect(lineIndex).toBe(0);
//presumed nodes on line are (caret, pill, caret, pill, caret)
expect(nodeIndex).toBe(2);
expect(offset).toBe(0);
});
it("in start of a second non-editable part, with another one before it", function () {
const pc = createPartCreator();
const model = new EditorModel(
[pc.userPill("Alice", "@alice:hs.tld"), pc.userPill("Bob", "@bob:hs.tld")],
pc,
);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 1, offset: 0 });
expect(lineIndex).toBe(0);
//presumed nodes on line are (caret, pill, caret, pill, caret)
expect(nodeIndex).toBe(2);
expect(offset).toBe(0);
});
it("in middle of a second non-editable part, with another one before it", function () {
const pc = createPartCreator();
const model = new EditorModel(
[pc.userPill("Alice", "@alice:hs.tld"), pc.userPill("Bob", "@bob:hs.tld")],
pc,
);
const { offset, lineIndex, nodeIndex } = getLineAndNodePosition(model, { index: 1, offset: 1 });
expect(lineIndex).toBe(0);
//presumed nodes on line are (caret, pill, caret, pill, caret)
expect(nodeIndex).toBe(4);
expect(offset).toBe(0);
});
});
});