рабочая версия

.gitignore

@@ -22,3 +22,4 @@ data.json
 .DS_Store
 
 coverage/
+test-report.html

__tests__/TextSyncPipeline.test.ts

@@ -1,4 +1,4 @@
-import { CheckboxUtils } from "src/checkboxUtils";
+import { CheckboxUtils } from "src/core/checkboxUtils";
 import { FileFilter } from "src/FileFilter";
 import TextSyncPipeline from "src/TextSyncPipeline";
 import { CheckboxSyncPluginSettings, DEFAULT_SETTINGS } from "src/types";

__tests__/checkboxUtils.base.test.ts

@@ -1,4 +1,4 @@
-import { CheckboxLineInfo, CheckboxUtils } from '../src/checkboxUtils'; // Путь к вашему файлу
+import { CheckboxLineInfo, CheckboxUtils } from '../src/core/checkboxUtils'; // Путь к вашему файлу
 import { CheckboxState, CheckboxSyncPluginSettings, DEFAULT_SETTINGS } from '../src/types'; // Путь к вашему файлу типов
 
 // Вспомогательная функция для создания настроек с переопределениями

__tests__/checkboxUtils.plainLists.test.ts

@@ -1,6 +1,6 @@
 // checkboxUtils.plainLists.test.ts
 
-import { CheckboxUtils } from '../src/checkboxUtils';
+import { CheckboxUtils } from '../src/core/checkboxUtils';
 import { CheckboxState, CheckboxSyncPluginSettings, DEFAULT_SETTINGS } from '../src/types';
 
 // Вспомогательная функция для создания настроек с переопределениями

__tests__/core/CheckboxUtils2.test.ts

@@ -0,0 +1,312 @@
+// import { CheckboxLineInfo, CheckboxUtils } from '../src/checkboxUtils'; // Путь к вашему файлу
+import { CheckboxUtils2 } from 'src/core/CheckboxUtils2';
+import { CheckboxSyncPluginSettings, DEFAULT_SETTINGS } from 'src/types'; // Путь к вашему файлу типов
+
+// Вспомогательная функция для создания настроек с переопределениями
+const createSettings = (overrides: Partial<CheckboxSyncPluginSettings> = {}): Readonly<CheckboxSyncPluginSettings> => {
+	return { ...DEFAULT_SETTINGS, ...overrides } as Readonly<CheckboxSyncPluginSettings>;
+};
+
+describe('CheckboxUtils2', () => {
+	// --- Тесты для syncText ---
+	describe('syncText', () => {
+		it('should propagate down only if child sync enabled and diff matches', () => {
+			const utils = new CheckboxUtils2(createSettings({
+				enableAutomaticChildState: true,
+				enableAutomaticParentState: false, // Parent sync off
+			}));
+			const textBefore = [
+				'- [ ] Parent',
+				'  - [ ] Child',
+			].join('\n');
+			const textAfterParentChecked = [ // Simulate user checking parent
+				'- [x] Parent',
+				'  - [ ] Child',
+			].join('\n');
+			const expected = [
+				'- [x] Parent',
+				'  - [x] Child', // Propagated down
+			].join('\n');
+			expect(utils.syncText(textAfterParentChecked, textBefore)).toBe(expected);
+		});
+
+		it('should propagate up only if parent sync enabled', () => {
+			const utils = new CheckboxUtils2(createSettings({
+				enableAutomaticChildState: false, // Child sync off
+				enableAutomaticParentState: true,
+			}));
+			const textBefore = [
+				'- [ ] Parent',
+				'  - [ ] Child',
+			].join('\n');
+			const textAfterChildChecked = [ // Simulate user checking child
+				'- [ ] Parent',
+				'  - [x] Child',
+			].join('\n');
+			const expected = [
+				'- [x] Parent', // Propagated up
+				'  - [x] Child',
+			].join('\n');
+			// syncText calls propagateFromChildren unconditionally if enabled
+			expect(utils.syncText(textAfterChildChecked, textBefore)).toBe(expected);
+		});
+
+		it('should propagate down then up if both enabled', () => {
+			const utils = new CheckboxUtils2(createSettings({
+				enableAutomaticChildState: true,
+				enableAutomaticParentState: true,
+			}));
+			const textBefore = [
+				'- [ ] Parent',
+				'  - [ ] Child',
+			].join('\n');
+			const textAfterParentChecked = [ // Simulate user checking parent
+				'- [x] Parent',
+				'  - [ ] Child',
+			].join('\n');
+			// 1. User checks parent: '- [x] Parent', '  - [ ] Child'
+			// 2. Propagate down:   '- [x] Parent', '  - [x] Child'
+			// 3. Propagate up:     (no change needed as parent is already checked)
+			const expectedDown = [
+				'- [x] Parent',
+				'  - [x] Child', // Propagated down
+			].join('\n');
+			expect(utils.syncText(textAfterParentChecked, textBefore)).toBe(expectedDown);
+
+			const textAfterChildChecked = [ // Simulate user checking child
+				'- [ ] Parent',
+				'  - [x] Child',
+			].join('\n');
+			// 1. User checks child: '- [ ] Parent', '  - [x] Child'
+			// 2. Propagate down:   (no change, as only one line changed, and it wasn't the parent)
+			// 3. Propagate up:     '- [x] Parent', '  - [x] Child'
+			const expectedUp = [
+				'- [x] Parent', // Propagated up
+				'  - [x] Child',
+			].join('\n');
+			expect(utils.syncText(textAfterChildChecked, textBefore)).toBe(expectedUp);
+		});
+
+		it('should do nothing if both syncs disabled', () => {
+			const utils = new CheckboxUtils2(createSettings({
+				enableAutomaticChildState: false,
+				enableAutomaticParentState: false,
+			}));
+			const textBefore = [
+				'- [ ] Parent',
+				'  - [ ] Child',
+			].join('\n');
+			const textAfterParentChecked = [ // Simulate user checking parent
+				'- [x] Parent',
+				'  - [ ] Child',
+			].join('\n');
+			const textAfterChildChecked = [ // Simulate user checking child
+				'- [ ] Parent',
+				'  - [x] Child',
+			].join('\n');
+			expect(utils.syncText(textAfterParentChecked, textBefore)).toBe(textAfterParentChecked);
+			expect(utils.syncText(textAfterChildChecked, textBefore)).toBe(textAfterChildChecked);
+		});
+
+		it('should not propagate down if diff is not a single checkbox state change', () => {
+			const utils = new CheckboxUtils2(createSettings({
+				enableAutomaticChildState: true, // Down propagation enabled
+				enableAutomaticParentState: false,
+			}));
+			const textBefore = [
+				'- [ ] Parent',
+				'  - [ ] Child',
+			].join('\n');
+			const textMultipleChanges = [
+				'- [x] Parent Changed', // Text changed too
+				'  - [x] Child also changed',
+			].join('\n');
+			const textIndentChange = [
+				'  - [x] Parent', // Indent changed
+				'    - [ ] Child',
+			].join('\n');
+
+			// Multiple lines changed
+			expect(utils.syncText(textMultipleChanges, textBefore)).toBe(textMultipleChanges);
+			// Indent changed (diff > 1 line index)
+			expect(utils.syncText(textIndentChange, textBefore)).toBe(textIndentChange);
+		});
+
+		it('equals texts', () => {
+			const utils = new CheckboxUtils2(createSettings({
+				enableAutomaticChildState: true, // Down propagation enabled
+				enableAutomaticParentState: true,
+			}));
+			const textBefore = [
+				'- [ ] Parent',
+				'  - [ ] Child',
+			].join('\n');
+
+			// Multiple lines changed
+			expect(utils.syncText(textBefore, textBefore)).toBe(textBefore);
+		});
+
+		it('checkbox, list', ()=> {
+			const utils = new CheckboxUtils2(createSettings({
+				enableAutomaticChildState: true,
+				enableAutomaticParentState: true,
+			}));
+			const textBefore = [
+				'- [ ] Parent',
+				'  - Child1',
+				'  - [ ] Child2',
+			].join('\n');
+			const actualText = [
+				'- [ ] Parent',
+				'  - Child1',
+				'  - [x] Child2',
+			].join('\n');
+			const expectedText = [
+				'- [x] Parent',
+				'  - Child1',
+				'  - [x] Child2',
+			].join('\n');
+
+			// Multiple lines changed
+			expect(utils.syncText(actualText, textBefore)).toBe(expectedText);
+		});
+
+		it('checkbox, plain text', ()=> {
+			const utils = new CheckboxUtils2(createSettings({
+				enableAutomaticChildState: true,
+				enableAutomaticParentState: true,
+			}));
+			const textBefore = [
+				'- [ ] Parent',
+				'  Child1',
+				'  - [ ] Child2',
+			].join('\n');
+			const actualText = [
+				'- [ ] Parent',
+				'  Child1',
+				'  - [x] Child2',
+			].join('\n');
+			const expectedText = [
+				'- [x] Parent',
+				'  Child1',
+				'  - [x] Child2',
+			].join('\n');
+
+			// Multiple lines changed
+			expect(utils.syncText(actualText, textBefore)).toBe(expectedText);
+		});
+
+		describe('without textBefore', () => {
+			it('done from child to parent', () => {
+				const utils = new CheckboxUtils2(createSettings({
+					enableAutomaticChildState: true,
+					enableAutomaticParentState: true,
+				}));
+				const actualText = [
+					'- [ ] Parent',
+					'  - [x] Child',
+				].join('\n');
+				const expected = [
+					'- [x] Parent',
+					'  - [x] Child',
+				].join('\n');
+				expect(utils.syncText(actualText, undefined)).toBe(expected);
+			});
+			it('todo from child to parent', () => {
+				const utils = new CheckboxUtils2(createSettings({
+					enableAutomaticChildState: true,
+					enableAutomaticParentState: true,
+				}));
+				const actualText = [
+					'- [x] Parent',
+					'  - [ ] Child',
+				].join('\n');
+				const expected = [
+					'- [ ] Parent',
+					'  - [ ] Child',
+				].join('\n');
+				expect(utils.syncText(actualText, undefined)).toBe(expected);
+			});
+		});
+		describe('many roots', () => {
+			it('two roots witout text before', () => {
+				const utils = new CheckboxUtils2(createSettings({
+					enableAutomaticChildState: true,
+					enableAutomaticParentState: true,
+				}));
+				const actualText = [
+					'- [x] Parent1',
+					'  - [ ] Child1',
+					'- [ ] Parent2',
+					'  - [x] Child2',
+				].join('\n');
+				const expected = [
+					'- [ ] Parent1',
+					'  - [ ] Child1',
+					'- [x] Parent2',
+					'  - [x] Child2',
+				].join('\n');
+				expect(utils.syncText(actualText, undefined)).toBe(expected);
+			});
+
+			it('two roots', () => {
+				const utils = new CheckboxUtils2(createSettings({
+					enableAutomaticChildState: true,
+					enableAutomaticParentState: true,
+				}));
+				const textBefore = [
+					'- [x] Parent1',
+					'  - [x] Child1',
+					'- [ ] Parent2',
+					'  - [ ] Child2',
+				].join('\n');
+				const actualText = [
+					'- [x] Parent1',
+					'  - [ ] Child1',
+					'- [ ] Parent2',
+					'  - [x] Child2',
+				].join('\n');
+				const expected = [
+					'- [ ] Parent1',
+					'  - [ ] Child1',
+					'- [x] Parent2',
+					'  - [x] Child2',
+				].join('\n');
+				expect(utils.syncText(actualText, textBefore)).toBe(expected);
+			});
+
+			it('all type roots', () => {
+				const utils = new CheckboxUtils2(createSettings({
+					enableAutomaticChildState: true,
+					enableAutomaticParentState: true,
+				}));
+				const textBefore = [
+					'- [x] Parent1',
+					'  - [x] Child1',
+					'- Parent2',
+					'  - Child2',
+					'Parent3',
+					'  Child3',
+				].join('\n');
+				const actualText = [
+					'- [x] Parent1',
+					'  - [ ] Child1',
+					'- Parent2',
+					'  - Child2',
+					'Parent3',
+					'  Child3',
+				].join('\n');
+				const expected = [
+					'- [ ] Parent1',
+					'  - [ ] Child1',
+					'- Parent2',
+					'  - Child2',
+					'Parent3',
+					'  Child3',
+				].join('\n');
+				expect(utils.syncText(actualText, textBefore)).toBe(expected);
+			});			
+		});
+
+	});
+});

__tests__/fakes/InMemoryFilePathStateHolder.ts

@@ -8,13 +8,13 @@ export class InMemoryFilePathStateHolder implements IFilePathStateHolder {
 	}
 
 	public setByPath(filePath: string, text: string): void {
-		console.log(`InMemoryFileStateHolder: Setting state for "${filePath}"`);
+		// console.log(`InMemoryFileStateHolder: Setting state for "${filePath}"`);
 		this.states.set(filePath, text);
 	}
 
 	public getByPath(filePath: string): string | undefined {
 		const state = this.states.get(filePath);
-		console.log(`InMemoryFileStateHolder: Getting state for "${filePath}". Found: ${!!state}`);
+		// console.log(`InMemoryFileStateHolder: Getting state for "${filePath}". Found: ${!!state}`);
 		return state;
 	}
 

jest.config.ts

@@ -3,10 +3,18 @@
  * https://jestjs.io/docs/configuration
  */
 
-import type {Config} from 'jest';
+import type { Config } from 'jest';
 
 const config: Config = {
 
+  reporters: [
+    'default',
+    ['jest-html-reporter', {
+      pageTitle: 'Test Report',
+      outputPath: './test-report.html',
+    }]
+  ],
+
   // Automatically clear mock calls, instances, contexts and results before every test
   clearMocks: true,
 
@@ -18,14 +26,14 @@ const config: Config = {
 
   // Indicates which provider should be used to instrument code for coverage
   // coverageProvider: "v8",
-	coverageProvider: "babel",
+  coverageProvider: "babel",
 
   // An array of file extensions your modules use
   moduleFileExtensions: [
     "ts",
     "tsx",
     "js",
-    "jsx",    
+    "jsx",
     "json",
     "node"
   ],
@@ -43,11 +51,11 @@ const config: Config = {
     '^src/(.*)$': '<rootDir>/src/$1',
   },
 
-	testPathIgnorePatterns: [
+  testPathIgnorePatterns: [
     "/node_modules/", // Хорошо иметь это явно, хотя Jest часто делает это по умолчанию
     "/__tests__/fakes/" // Исключаем папку fakes внутри __tests__
   ],
-	
+
 };
 
 export default config;

package.json

@@ -22,6 +22,7 @@
     "builtin-modules": "3.3.0",
     "esbuild": "^0.25.0",
     "jest": "^29.7.0",
+    "jest-html-reporter": "^4.3.0",
     "obsidian": "^1.7.2",
     "ts-jest": "^29.2.5",
     "ts-node": "^10.9.2",

src/SyncController.ts

@@ -1,18 +1,15 @@
 import { Mutex } from "async-mutex";
 import { Editor, EditorChange, MarkdownFileInfo, MarkdownView, TFile, Vault } from "obsidian";
-import { CheckboxUtils } from "./checkboxUtils";
 import TextSyncPipeline from "./TextSyncPipeline";
 
 export default class SyncController {
 	private vault: Vault;
-	private checkboxUtils: CheckboxUtils;
 	textSyncPipeline: TextSyncPipeline
 
 	private mutex: Mutex;
 
-	constructor(vault: Vault, checkboxUtils: CheckboxUtils, textSyncPipeline: TextSyncPipeline) {
+	constructor(vault: Vault, textSyncPipeline: TextSyncPipeline) {
 		this.vault = vault;
-		this.checkboxUtils = checkboxUtils;
 		this.textSyncPipeline = textSyncPipeline;
 		this.mutex = new Mutex();
 	}
@@ -47,7 +44,7 @@ export default class SyncController {
 		const newLines = newText.split("\n");
 		const oldLines = oldText.split("\n");
 
-		const diffIndexes = this.checkboxUtils.findDifferentLineIndexes(oldLines, newLines);
+		const diffIndexes = this.findDifferentLineIndexes(oldLines, newLines);
 
 		const changes: EditorChange[] = [];
 
@@ -73,4 +70,19 @@ export default class SyncController {
 		}
 	}
 
+	private findDifferentLineIndexes(lines1: string[], lines2: string[]): number[] {
+		if (lines1.length !== lines2.length) {
+			throw new Error("the length of the lines must be equal");
+		}
+
+		const length = lines1.length;
+		const result: number[] = [];
+		for (let i = 0; i < length; i++) {
+			if (lines1[i] !== lines2[i]) {
+				result.push(i);
+			}
+		}
+		return result;
+	}
+
 }

src/TextSyncPipeline.ts

@@ -1,14 +1,14 @@
-import { CheckboxUtils } from "./checkboxUtils";
+import { ICheckboxUtils } from "./core/interface/ICheckboxUtils";
 import { FileFilter } from "./FileFilter";
 import { IFilePathStateHolder } from "./IFilePathStateHolder";
 
 export default class TextSyncPipeline {
-	private checkboxUtils: CheckboxUtils;
+	private checkboxUtils: ICheckboxUtils;
 	private fileStateHolder: IFilePathStateHolder;
 	private fileFilter: FileFilter;
 
 
-	constructor(checkboxUtils: CheckboxUtils, fileStateHolder: IFilePathStateHolder, fileFilter: FileFilter) {
+	constructor(checkboxUtils: ICheckboxUtils, fileStateHolder: IFilePathStateHolder, fileFilter: FileFilter) {
 		this.checkboxUtils = checkboxUtils;
 		this.fileStateHolder = fileStateHolder;
 		this.fileFilter = fileFilter;

src/core/CheckboxUtils2.ts

@@ -1,26 +1,18 @@
-import { CheckboxState, CheckboxSyncPluginSettings } from "src/types";
+import { CheckboxSyncPluginSettings } from "src/types";
 import { ICheckboxUtils } from "./interface/ICheckboxUtils";
 import { ContextFactory } from "./model/ContextFactory";
 import { PropagateStateToChildrenProcess } from "./process/PropagateStateToChildrenProcess";
 import { PropagateStateToParentProcess } from "./process/PropagateStateToParentProcess";
 
-export interface CheckboxLineInfo {
-	indent: number;
-	marker: string;
-	checkChar?: string;
-	checkboxCharPosition?: number;
-	checkboxState: CheckboxState;
-	isChecked?: boolean | undefined;
-	listItemText?: string;
-}
-
 export class CheckboxUtils2 implements ICheckboxUtils {
 	private settings: Readonly<CheckboxSyncPluginSettings>;
-	private propagateStateToChildrenProcces: PropagateStateToChildrenProcess;
-	private propagateStateToParentProcces: PropagateStateToParentProcess;
+	private propagateStateToChildrenProcess: PropagateStateToChildrenProcess;
+	private propagateStateToParentProcess: PropagateStateToParentProcess;
 
 	constructor(settings: Readonly<CheckboxSyncPluginSettings>) {
 		this.settings = settings;
+		this.propagateStateToChildrenProcess = new PropagateStateToChildrenProcess();
+		this.propagateStateToParentProcess = new PropagateStateToParentProcess();
 	}
 
 	syncText(text: string, textBefore: string | undefined): string {
@@ -29,8 +21,8 @@ export class CheckboxUtils2 implements ICheckboxUtils {
 		}
 		const context = ContextFactory.createContext(text, textBefore, this.settings);
 
-		this.propagateStateToChildrenProcces.process(context);
-		this.propagateStateToParentProcces.process(context);
+		this.propagateStateToChildrenProcess.process(context);
+		this.propagateStateToParentProcess.process(context);
 
 		return context.getResultText();
 	}

src/core/checkboxUtils.ts

@@ -1,4 +1,6 @@
-import { CheckboxState, CheckboxSyncPluginSettings } from "./types";
+import { CheckboxState, CheckboxSyncPluginSettings } from "src/types";
+import { ICheckboxUtils } from "./interface/ICheckboxUtils";
+
 
 export interface CheckboxLineInfo {
 	indent: number;
@@ -10,7 +12,7 @@ export interface CheckboxLineInfo {
 	listItemText?: string;
 }
 
-export class CheckboxUtils {
+export class CheckboxUtils implements ICheckboxUtils {
 	private settings: Readonly<CheckboxSyncPluginSettings>;
 	constructor(settings: Readonly<CheckboxSyncPluginSettings>) {
 		this.settings = settings;

src/core/model/ContextFactory.ts

@@ -3,66 +3,42 @@ import { Context } from "./Context";
 import { TreeNode } from "./TreeNode";
 import { Line } from "./Line";
 import { View } from "./View";
+import { CheckboxLine } from "./line/CheckboxLine";
+import { ListLine } from "./line/ListLine";
+import { TextLine } from "./line/TextLine";
 
 export class ContextFactory {
 
+	static readonly CHECKBOX_REGEXP = /^(\s*)([*+-]|\d+\.) \[(.)\]\s(.*)$/;
+	static readonly LIST_ITEM_REGEXP = /^(\s*)([*+-]|\d+\.)\s+(?!\[.?\])(.*)$/;
+	static readonly TEXT_REGEXP = /^(\s*)(.*)$/;
+
 	private constructor() {
 	}
 
-	public static createContext(text: string, textBefore: string | undefined, settings: Readonly<CheckboxSyncPluginSettings>): Context {
+	static createContext(text: string, textBefore: string | undefined, settings: Readonly<CheckboxSyncPluginSettings>): Context {
 		return new Context(text, textBefore, settings);
 	}
 
-	static createLines(context: Context): Line[] {
-		const settings = context.getSettings();
-		const textLines = context.getTextLines();
-		const lines = this.createLinesFromTextLines(context.getTextLines(), settings);
-		if (context.textBeforeChangeIsPresent()) {
-			const textBeforeLines = context.getTextBeforeChangeLines()!;
-			if (textLines.length === textBeforeLines.length) {
-				const diffIndex = this.findSingleDiffLineIndex(textLines, textBeforeLines);
-				if (diffIndex) {
-					const oldLine = new Line(textBeforeLines[diffIndex], settings);
-					const actualLine = lines[diffIndex];
-
-					// если новая и старая строка чекбокс
-					// если текст остался старым
-					// если изменилось состояние чекбокса
-					if (oldLine.isCheckbox() &&
-						actualLine.isCheckbox() &&
-						oldLine.getText() === actualLine.getText() &&
-						oldLine.getState() !== actualLine.getState()
-					) {
-						actualLine.setChange(true);
-					}
-				}
-			}
-		}
-		return lines;
-	}
-
 	static createView(context: Context) {
-		const settings = context.getSettings();
-
 		const lines = context.getLines();
-
-		// построить дерево
-		const treeNodes = this.createNodesFromLines(lines);
-
-		// проверить ноды на modify
-		let isModify = false;
-		for (const treeNode of treeNodes) {
-			isModify = isModify || treeNode.isModify();
-		}
-
-		return new View(treeNodes, isModify);
+		const treeNodes = this.createRootTreeNodesFromLines(lines);
+		return new View(treeNodes);
 	}
 
-	private static createNodesFromLines(textLines: Line[]): TreeNode[] {
+	// создаёт TreeNode из Line
+	// возвращает только корневые узлы
+	private static createRootTreeNodesFromLines(lines: Line[]): TreeNode[] {
+		const flatTreeNodes = this.createFlatNodesFromLines(lines);
+		return flatTreeNodes.filter(node => !node.getParent());
+	}
+
+	// создаёт TreeNode из Line
+	// осторожно, возвращает ВСЕ ноды в порядке линий
+	private static createFlatNodesFromLines(lines: Line[]): TreeNode[] {
 		const nodes: TreeNode[] = [];
 		const stack: TreeNode[] = [];
-		for (let index = 0; index < textLines.length; index++) {
-			const line = textLines[index];
+		for (const line of lines) {
 			const node = new TreeNode(line);
 
 			// найти родителя
@@ -86,15 +62,83 @@ export class ContextFactory {
 		return nodes;
 	}
 
+	static createLines(context: Context): Line[] {
+		const settings = context.getSettings();
+		const lines = this.createLinesFromTextLines(context.getTextLines(), settings);
+		this.markChangeIfNeeded(lines, context);
+		return lines;
+	}
 
+	// помечает line как изменённую при необходимости
+	static markChangeIfNeeded(lines: Line[], context: Context) {
+		if (!context.textBeforeChangeIsPresent()) {
+			return;
+		}
+
+		const textLines = context.getTextLines();
+		const textBeforeLines = context.getTextBeforeChangeLines()!;
+		if (textLines.length !== textBeforeLines.length) {
+			return;
+		}
+
+		const diffIndex = this.findSingleDiffLineIndex(textLines, textBeforeLines);
+		if (diffIndex === undefined) {
+			return;
+		}
+
+		const oldLine = this.createLineFromTextLine(textBeforeLines[diffIndex], context.getSettings());
+		const actualLine = lines[diffIndex];
+
+		// если новая и старая строка чекбокс
+		if (oldLine instanceof CheckboxLine && actualLine instanceof CheckboxLine) {
+			// если текст остался старым
+			// если изменилось состояние чекбокса
+			if (
+				oldLine.getText() === actualLine.getText() &&
+				oldLine.getState() !== actualLine.getState()
+			) {
+				actualLine.setChange(true);
+			}
+		}
+
+
+	}
 
 	// создаёт Line[] из текста 
 	private static createLinesFromTextLines(textLines: string[], settings: Readonly<CheckboxSyncPluginSettings>): Line[] {
 		return textLines.map(line => {
-			return new Line(line, settings);
+			return this.createLineFromTextLine(line, settings);
 		});
 	}
 
+	// создаёт объект из одного из классов, кто реализует Line в зависимости от строки.
+	static createLineFromTextLine(textLine: string, settings: Readonly<CheckboxSyncPluginSettings>): Line {
+		const checkboxMatch = textLine.match(this.CHECKBOX_REGEXP);
+		if (checkboxMatch) {
+			const indentString = checkboxMatch[1];
+			const marker = checkboxMatch[2];
+			const checkChar = checkboxMatch[3];
+
+			const listItemText = checkboxMatch[4].trimStart();
+
+			return new CheckboxLine(indentString, marker, checkChar, listItemText, settings);
+		}
+		const listItemMatch = textLine.match(this.LIST_ITEM_REGEXP);
+		if (listItemMatch) {
+			const indentString = listItemMatch[1];
+			const marker = listItemMatch[2];
+			const listItemText = listItemMatch[3].trimStart();
+
+			return new ListLine(indentString, marker, listItemText, settings.tabSize);
+		}
+
+		const textLineMatch = textLine.match(this.TEXT_REGEXP)!;
+		const indentString = textLineMatch[1];
+		const itemText = textLineMatch[2];
+		return new TextLine(indentString, itemText, settings.tabSize);
+
+	}
+
 	private static findSingleDiffLineIndex(lines1: string[], lines2: string[]): number | undefined {
 		const diffLines = this.findDifferentLineIndexes(lines1, lines2);
 		if (diffLines.length == 1) {

src/core/model/Line.ts

@@ -1,3 +1,5 @@
+import { CheckboxState } from "src/types";
+
 export interface Line {
   getIndent(): number;
 
@@ -5,4 +7,6 @@ export interface Line {
 
   toResultText(): string;
 
+  getState(): CheckboxState;
+
 }

src/core/model/TreeNode.ts

@@ -1,15 +1,17 @@
 import { Line } from "./Line";
+import { CheckboxLine } from "./line/CheckboxLine";
 
 export class TreeNode {
 	private parent?: TreeNode;
-	private childrens: TreeNode[];
+	private childrens: TreeNode[] = [];
 
 	private line: Line;
+	// метка того, что Единичное изменение произошло в этой ноде или дочерних нодах
 	private modify = false;
 
 	constructor(line: Line) {
 		this.line = line;
-		if (line.isChange()) {
+		if (line instanceof CheckboxLine && line.isChange()) {
 			this.modify = true;
 		}
 	}

src/core/model/View.ts

@@ -2,10 +2,16 @@ import { TreeNode } from "./TreeNode";
 
 export class View {
 	private treeNodes: TreeNode[];
+	// метка того, что Единичное изменение произошло в этой View
 	private modify: boolean;
 
-	constructor(treeNodes: TreeNode[], isModify: boolean) {
+	constructor(treeNodes: TreeNode[]) {
 		this.treeNodes = treeNodes;
+		// проверить ноды на modify
+		let isModify = false;
+		for (const treeNode of treeNodes) {
+			isModify = isModify || treeNode.isModify();
+		}
 		this.modify = isModify;
 	}
 

src/core/model/line/AbstractLine.ts

@@ -1,16 +1,33 @@
+import { CheckboxState } from "src/types";
 import { Line } from "../Line";
 
 export abstract class AbstractLine implements Line {
 
+  protected indentString: string;
+  protected tabSize: number;
   // длина отступа
   protected indent: number;
   // текст после чекбокса
-  protected listText: string;  
+  protected listText: string;
 
-  constructor(indent:number, lineText: string){
-    this.indent = indent;
+  constructor(indentString: string, lineText: string, tabSize: number) {
+    this.indentString = indentString;
     this.listText = lineText;
-    
+    this.tabSize = tabSize;
+
+    this.indent = this.getIndentFromString(indentString, tabSize);
+  }
+
+  private getIndentFromString(indentString: string, tabSize: number): number {    
+    let indent = 0;
+    for (const char of indentString) {
+      if (char === '\t') {
+        indent += tabSize;
+      } else if (char === ' ') {
+        indent += 1;
+      }
+    }
+    return indent;
   }
 
   getIndent(): number {
@@ -21,9 +38,7 @@ export abstract class AbstractLine implements Line {
     return this.listText;
   }
 
-  setText(lineText: string){
-    this.listText = lineText;
-  }
-
   abstract toResultText(): string;
+
+  abstract getState(): CheckboxState;
 }

src/core/model/line/CheckboxLine.ts

@@ -2,32 +2,31 @@ import { CheckboxState, CheckboxSyncPluginSettings } from "src/types";
 import { AbstractLine } from "./AbstractLine";
 
 export class CheckboxLine extends AbstractLine {
-  
+
   // символы перед чекбоксом
   private marker: string;
   // символ в чекбоксе
   private checkChar: string;
   // позиция символа чекбокса в исходной строке
-  private checkboxCharPosition: number;
+  // private checkboxCharPosition: number;
   // интерпретация символа чекбокса(или его отсутствия)
   private checkboxState: CheckboxState;
   // интерпретация состояния чекбокса(или его отсутствия)
   // private isChecked?: boolean | undefined;
-  
 
-  private hasChange = false;  
+  // метка того, что Единичное изменение произошло в этой строке
+  private hasChange = false;
 
   protected settings: Readonly<CheckboxSyncPluginSettings>;
 
-  constructor(indent: number, marker: string, checkChar: string, lineText: string, settings: Readonly<CheckboxSyncPluginSettings>) {
-    super(indent, lineText);
+  constructor(indentString:string, marker: string, checkChar: string, listItemText: string, settings: Readonly<CheckboxSyncPluginSettings>) {
+    super(indentString, listItemText, settings.tabSize);
     this.marker = marker;
     this.checkChar = checkChar;
     this.settings = settings;
 
-    this.checkboxCharPosition = ;
-    this.checkboxState = ;
-    throw new Error("Constructor not implemented.");
+    // this.checkboxCharPosition = indent + marker.length + 2;
+    this.checkboxState = this.getCheckboxState(checkChar);
   }
 
   isChange(): boolean {
@@ -38,36 +37,12 @@ export class CheckboxLine extends AbstractLine {
     this.hasChange = hasChange;
   }
 
-  
-
-  isCheckbox(): boolean {
-    return this.checkboxState !== CheckboxState.NoCheckbox;
-  }
 
   setState(state: CheckboxState): void {
     // обновить checkboxState
     this.checkboxState = state;
     // обновить checkChar
-    switch (state) {
-      case CheckboxState.Checked:
-        this.checkChar = this.settings.checkedSymbols.length > 0 ? this.settings.checkedSymbols[0] : 'x'; // 'x' как дефолт
-        break;
-      case CheckboxState.Unchecked:
-        this.checkChar = this.settings.uncheckedSymbols.length > 0 ? this.settings.uncheckedSymbols[0] : ' '; // ' ' как дефолт
-        break;
-      case CheckboxState.Ignore:
-        if (this.settings.ignoreSymbols.length > 0) {
-          this.checkChar = this.settings.ignoreSymbols[0];
-        } else {
-          throw new Error("Not found ignore char.");
-        }
-        break;
-      case CheckboxState.NoCheckbox:
-        this.checkChar = undefined;
-        break;
-      default:
-        throw new Error(`Unexpected value for parameter [state] = ${state}.`);
-    }
+    this.checkChar = this.getCharFromState(state);
   }
 
   setStateIfNotEquals(newState: CheckboxState) {
@@ -80,5 +55,42 @@ export class CheckboxLine extends AbstractLine {
     return this.checkboxState;
   }
 
-  
+  toResultText(): string {
+    // const spaces = ' '.repeat(this.indent);
+    const resultText = this.indentString + this.marker + " [" + this.checkChar + "] " + this.listText;
+    return resultText;
+  }
+
+  private getCheckboxState(text: string): CheckboxState {
+    if (this.settings.checkedSymbols.includes(text)) {
+      return CheckboxState.Checked;
+    }
+    if (this.settings.uncheckedSymbols.includes(text)) {
+      return CheckboxState.Unchecked;
+    }
+    if (this.settings.ignoreSymbols.includes(text)) {
+      return CheckboxState.Ignore;
+    }
+    return this.settings.unknownSymbolPolicy;
+  }
+
+  private getCharFromState(state: CheckboxState): string {
+    switch (state) {
+      case CheckboxState.Checked:
+        return this.settings.checkedSymbols.length > 0 ? this.settings.checkedSymbols[0] : 'x'; // 'x' как дефолт
+      case CheckboxState.Unchecked:
+        return this.settings.uncheckedSymbols.length > 0 ? this.settings.uncheckedSymbols[0] : ' '; // ' ' как дефолт
+      case CheckboxState.Ignore:
+        if (this.settings.ignoreSymbols.length > 0) {
+          return this.settings.ignoreSymbols[0];
+        } else {
+          throw new Error("Not found ignore char.");
+        }
+      case CheckboxState.NoCheckbox:
+        throw new Error(`Unexpected value for parameter [state] = ${state}. "NoCheckbox".`);
+      default:
+        throw new Error(`Unexpected value for parameter [state] = ${state}.`);
+    }
+  }
+
 }

src/core/model/line/ListLine.ts

@@ -1,3 +1,4 @@
+import { CheckboxState } from "src/types";
 import { AbstractLine } from "./AbstractLine";
 
 export class ListLine extends AbstractLine {
@@ -5,8 +6,8 @@ export class ListLine extends AbstractLine {
   // символы перед текстом
   private marker: string;
 
-  constructor(indent: number, marker: string, listText: string) {
-    super(indent, listText);
+  constructor(indentString: string, marker: string, listText: string, tabSize: number) {
+    super(indentString, listText, tabSize);
     this.marker = marker;
   }
 
@@ -19,9 +20,12 @@ export class ListLine extends AbstractLine {
   }
 
   toResultText(): string {
-    const spaces = ' '.repeat(this.indent);
-
-    const resultText = spaces + this.marker + " " + this.listText;
+    // const spaces = ' '.repeat(this.indent);
+    const resultText = this.indentString + this.marker + " " + this.listText;
     return resultText;
   }
+
+  getState(): CheckboxState {
+    return CheckboxState.NoCheckbox;
+  }
 }

src/core/model/line/TextLine.ts

@@ -1,9 +1,14 @@
+import { CheckboxState } from "src/types";
 import { AbstractLine } from "./AbstractLine";
 
 export class TextLine extends AbstractLine {
   toResultText(): string {
-    const spaces = ' '.repeat(this.indent);
-    const resultText = spaces + this.listText;
+    // const spaces = ' '.repeat(this.indent);
+    const resultText = this.indentString + this.listText;
     return resultText;
   }
+
+  getState(): CheckboxState {
+    return CheckboxState.NoCheckbox;
+  }
 }

src/core/process/PropagateStateToChildrenProcess.ts

@@ -2,6 +2,7 @@ import { CheckboxState } from "src/types";
 import { CheckboxProcess } from "../interface/CheckboxProcess";
 import { Context } from "../model/Context";
 import { TreeNode } from "../model/TreeNode";
+import { CheckboxLine } from "../model/line/CheckboxLine";
 
 export class PropagateStateToChildrenProcess implements CheckboxProcess {
 
@@ -21,46 +22,51 @@ export class PropagateStateToChildrenProcess implements CheckboxProcess {
 
 		const nodes = view.getTreeNodes();
 		for (const node of nodes) {
-			this.propageteStateToChildrenFromChangeLineNode(node);
+			this.propagateStateToChildrenFromChangeLineNode(node);
 		}
 	}
 
 	// находит изменённую Line, если она существует и вызывает от неё propagateStateToChildren
-	propageteStateToChildrenFromChangeLineNode(node: TreeNode) {
+	propagateStateToChildrenFromChangeLineNode(node: TreeNode) {
 		if (!node.isModify()) {
 			return;
 		}
 		const line = node.getLine();
 		// если line изменён
-		if (line.isChange()) {
+		if (line instanceof CheckboxLine && line.isChange()) {
 			// значит мы нашли нужную ноду
-			this.propagateStateToChildren(node);
+			this.propagateStateToChildrenFromNode(node);
 		} else {
 			// иначе ищем вглубь среди детей
 			const childrens = node.getChildrenNodes();
 			for (const children of childrens) {
-				this.propageteStateToChildrenFromChangeLineNode(children);
+				this.propagateStateToChildrenFromChangeLineNode(children);
 			}
 		}
 	}
 
 
-	propagateStateToChildren(modifiedNode: TreeNode) {
-		const state = modifiedNode.getLine().getState();
+	propagateStateToChildrenFromNode(modifiedNode: TreeNode) {
+		const line = modifiedNode.getLine();
+		if (!(line instanceof CheckboxLine)) {
+			console.warn(`propagateStateToChildren from !CheckboxLine.`);
+			return;
+		}
+		const state = line.getState();
 		if (state === CheckboxState.Ignore || state === CheckboxState.NoCheckbox) {
 			console.warn(`propagateStateToChildren ${state.toString()}`);
 			return;
 		}
-		this.propagateToChildren(modifiedNode, state);
+		this.propagateStateToChildren(modifiedNode, state);
 	}
 
-	propagateToChildren(node: TreeNode, state: CheckboxState) {
+	propagateStateToChildren(node: TreeNode, state: CheckboxState) {
 		const line = node.getLine();
-		if (line.isCheckbox()) {
+		if (line instanceof CheckboxLine) {
 			line.setStateIfNotEquals(state);
 		}
 		for (const childrenNode of node.getChildrenNodes()) {
-			this.propagateToChildren(childrenNode, state);
+			this.propagateStateToChildren(childrenNode, state);
 		}
 	}
 }

src/core/process/PropagateStateToParentProcess.ts

@@ -2,6 +2,7 @@ import { CheckboxState } from "src/types";
 import { CheckboxProcess } from "../interface/CheckboxProcess";
 import { Context } from "../model/Context";
 import { TreeNode } from "../model/TreeNode";
+import { CheckboxLine } from "../model/line/CheckboxLine";
 
 export class PropagateStateToParentProcess implements CheckboxProcess {
 
@@ -16,24 +17,42 @@ export class PropagateStateToParentProcess implements CheckboxProcess {
 		const nodes = view.getTreeNodes();
 
 		for (const node of nodes) {
-			this.propagateStateFromChildrens(node);
+			this.propagateStateToParent(node);
 		}
 	}
 
 	// возврат значения нужен для того, чтобы правильно обрабатывать случаи с "не чекбоксам", чтобы они передавали значения детей
-	propagateStateFromChildrens(node: TreeNode): CheckboxState {
+	propagateStateToParent(node: TreeNode): CheckboxState {
 		const line = node.getLine();
 
-		if (!node.hasChildren()) {
-			return line.getState();
+		// обходим всех детей
+		const childrenStates: CheckboxState[] = [];
+		for (const childrenNode of node.getChildrenNodes()) {
+			const childrenState = this.propagateStateToParent(childrenNode);
+			childrenStates.push(childrenState);
 		}
 
+		const newState = this.getNewState(line.getState(), childrenStates);
+		
+		if (line instanceof CheckboxLine){
+			line.setStateIfNotEquals(newState);
+		}
+		
+		return newState;
+	}
+
+	getNewState(actualState: CheckboxState, childrenStates: CheckboxState[]): CheckboxState {
+		if (actualState === CheckboxState.Ignore) {
+			return actualState;
+		}
+
+		// обходим всех детей
+		// если есть релевантные дети, то помечаем это и обновляем "состояние" Line
+		// "состояние" - потому что даже не чекбоксы могут иметь состояние через своих детей
 		let resultIfHasRelevantChildren = CheckboxState.Checked;
 		let hasRelevantChildren = false;
-		for (const childrenNode of node.getChildrenNodes()) {
-			const childrenState = this.propagateStateFromChildrens(childrenNode);
-
-			if (childrenState === CheckboxState.Checked || childrenState === CheckboxState.Unchecked) {
+		for (const childrenState of childrenStates) {
+			if (childrenState !== CheckboxState.Ignore && childrenState !== CheckboxState.NoCheckbox) {
 				hasRelevantChildren = true;
 			}
 
@@ -41,17 +60,12 @@ export class PropagateStateToParentProcess implements CheckboxProcess {
 				resultIfHasRelevantChildren = CheckboxState.Unchecked;
 			}
 		}
-		// делаем эту проверку только после обработки детей
-		if (line.getState() == CheckboxState.Ignore) {
-			return line.getState();
-		}
-		// проверка для нод, все дети которых не релевантны
-		if (!hasRelevantChildren) {
-			return line.getState();
-		}
 
-		line.setStateIfNotEquals(resultIfHasRelevantChildren);
-
-		return resultIfHasRelevantChildren;
+		if (hasRelevantChildren) {
+			return resultIfHasRelevantChildren;
+		} else {
+			return actualState;
+		}
 	}
+
 }

src/main.ts

@@ -1,5 +1,4 @@
 import { Plugin, TFile } from "obsidian";
-import { CheckboxUtils } from "./checkboxUtils";
 import { FileChangeEventHandler } from "./events/FileChangeEventHandler";
 import { FileLoadEventHandler } from "./events/FileLoadEventHandler";
 import FileStateHolder from "./FileStateHolder";
@@ -8,6 +7,8 @@ import SyncController from "./SyncController";
 import { CheckboxSyncPluginSettings, DEFAULT_SETTINGS } from "./types";
 import { FileFilter } from "./FileFilter";
 import TextSyncPipeline from "./TextSyncPipeline";
+import { ICheckboxUtils } from "./core/interface/ICheckboxUtils";
+import { CheckboxUtils2 } from "./core/CheckboxUtils2";
 
 const DEBUG_FLAG_NAME = 'CHECKBOX_SYNC_DEBUG';
 
@@ -23,7 +24,7 @@ export default class CheckboxSyncPlugin extends Plugin {
 	private _settings: CheckboxSyncPluginSettings;
 
 	private syncController: SyncController;
-	private checkboxUtils: CheckboxUtils;
+	private checkboxUtils: ICheckboxUtils;
 	private fileStateHolder: FileStateHolder;
 	private fileLoadEventHandler: FileLoadEventHandler;
 	private fileChangeEventHandler: FileChangeEventHandler;
@@ -35,9 +36,9 @@ export default class CheckboxSyncPlugin extends Plugin {
 
 		this.fileFilter = new FileFilter(this.settings);
 		this.fileStateHolder = new FileStateHolder(this.app.vault);
-		this.checkboxUtils = new CheckboxUtils(this.settings);
+		this.checkboxUtils = new CheckboxUtils2(this.settings);
 		this.textSyncPipeline = new TextSyncPipeline(this.checkboxUtils,this.fileStateHolder, this.fileFilter);
-		this.syncController = new SyncController(this.app.vault, this.checkboxUtils, this.textSyncPipeline);
+		this.syncController = new SyncController(this.app.vault, this.textSyncPipeline);
 		this.fileLoadEventHandler = new FileLoadEventHandler(this, this.app, this.syncController, this.fileStateHolder);
 		this.fileChangeEventHandler = new FileChangeEventHandler(this, this.app, this.syncController, this.fileStateHolder);
 

src/types.ts

@@ -1,4 +1,5 @@
 export interface CheckboxSyncPluginSettings {
+  tabSize: number,
   enableAutomaticParentState: boolean;
   enableAutomaticChildState: boolean;
   checkedSymbols: string[];
@@ -18,6 +19,7 @@ export enum CheckboxState {
 }
 
 export const DEFAULT_SETTINGS: CheckboxSyncPluginSettings = {
+  tabSize: 4,
   enableAutomaticParentState: true,
   enableAutomaticChildState: true,
   checkedSymbols: ['x'],