Method initCodeMirror

src/code_view.ts:1102–1263

(root: HTMLElement)

	}

	private initCodeMirror(root: HTMLElement): void {
		const baseExtensions = [
			baseTheme,
			this.fontSizeCompartment.of(this.getFontSizeExtension()), // 字体大小管理
			this.lineNumbersCompartment.of(this.getLineNumbersExtension()),
			this.languageCompartment.of([]), // Start with empty, will be updated in onLoadFile
			highlightSpecialChars(),
			history(),
			foldGutter(),
			drawSelection(),
			indentOnInput(),
			bracketMatching(),
			closeBrackets(),
			highlightActiveLine(),
			indentUnit.of("    "),
			// 不使用默认的 search 扩展，改用自定义搜索面板
			highlightSelectionMatches(), // 高亮选中文本的匹配项
			keymap.of([
				...defaultKeymap,
				...historyKeymap,
				indentWithTab
			]),
			// 使用最高优先级注册自定义快捷键，防止被 Obsidian 全局快捷键拦截
			Prec.highest(keymap.of([
				{
					key: "Mod-s",
					run: () => {
						void this.save();
						return true;
					}
				},
				{
					key: "Mod-f",
					run: () => {
						this.openSearchFromHotkey("find");
						return true;
					}
				},
				{
					key: "Mod-h",
					run: () => {
						this.openSearchFromHotkey("replace");
						return true;
					}
				},
				// macOS: Cmd+Alt+F is a common "Replace" shortcut (Cmd+H is reserved by the OS).
				{
					key: "Mod-Alt-f",
					run: () => {
						this.openSearchFromHotkey("replace");
						return true;
					}
				}
			])),
			EditorView.updateListener.of((update) => {
				if (update.docChanged) {
					// 如果正在设置数据，不标记为 dirty
					if (this.isSettingData) {