refactor: 提取 Hugo admonition 解析与标题处理逻辑并增强兼容性

src/lib/components/MarkdownRenderer.svelte

@@ -7,6 +7,8 @@
 	import {
 		createUniqueHeadingId,
 		replaceGithubAdmonitions,
+		replaceHugoAdmonitions,
+		resolveAdmonitionTitle,
 		sanitizeMarkdownHtml
 	} from '$lib/markdown/rendering';
 
@@ -337,25 +339,15 @@
 				'<svg viewBox="0 0 512 512" fill="currentColor" height="1em" width="1em"><path d="M504 256c0 136.997-111.043 248-248 248S8 392.997 8 256C8 119.083 119.043 8 256 8s248 111.083 248 248zm-248 50c-25.405 0-46 20.595-46 46s20.595 46 46 46 46-20.595 46-46-20.595-46-46-46zm-43.673-165.346l7.418 136c.347 6.364 5.609 11.346 11.982 11.346h48.546c6.373 0 11.635-4.982 11.982-11.346l7.418-136c.375-6.874-5.098-12.654-11.982-12.654h-63.383c-6.884 0-12.356 5.78-11.981 12.654z"></path></svg>'
 		};
 
-		let html = replaceGithubAdmonitions(markdown, (type, title, content) => {
+		function renderAdmonition(type: string, rawTitle: string, content: string) {
 			const typeLower = type.toLowerCase();
-			const displayTitle = escapeHtml(
+			const displayTitle = escapeHtml(resolveAdmonitionTitle(type, rawTitle));
-				title ? title : type.charAt(0).toUpperCase() + type.slice(1).toLowerCase()
-			);
 			const icon = icons[typeLower as keyof typeof icons] || icons.note;
 			return `\n<div class="details admonition ${typeLower} open">\n<div class="details-summary admonition-title"><span class="icon">${icon}</span><span>${displayTitle}</span></div>\n<div class="details-content">\n<div class="admonition-content">\n\n${content}\n\n</div>\n</div>\n</div>\n`;
-		});
+		}
 
-		const hugoRegex =
+		let html = replaceGithubAdmonitions(markdown, renderAdmonition);
-			/\{\{<\s*admonition\s+([a-zA-Z]+)(?:\s+"(.*?)")?\s*>\}\}\r?\n([\s\S]*?)\{\{<\s*\/admonition\s*>\}\}/gi;
+		html = replaceHugoAdmonitions(html, renderAdmonition);
-		html = html.replace(hugoRegex, (match, type, title, content) => {
-			const typeLower = type.toLowerCase();
-			const displayTitle = escapeHtml(
-				title ? title : type.charAt(0).toUpperCase() + type.slice(1).toLowerCase()
-			);
-			const icon = icons[typeLower as keyof typeof icons] || icons.note;
-			return `\n<div class="details admonition ${typeLower} open">\n<div class="details-summary admonition-title"><span class="icon">${icon}</span><span>${displayTitle}</span></div>\n<div class="details-content">\n<div class="admonition-content">\n\n${content}\n\n</div>\n</div>\n</div>\n`;
-		});
 
 		return html;
 	}

src/lib/markdown/rendering.test.ts

@@ -3,6 +3,8 @@ import {
 	createHeadingId,
 	createUniqueHeadingId,
 	replaceGithubAdmonitions,
+	replaceHugoAdmonitions,
+	resolveAdmonitionTitle,
 	sanitizeMarkdownHtml
 } from './rendering';
 
@@ -21,6 +23,52 @@ describe('replaceGithubAdmonitions', () => {
 	});
 });
 
+describe('resolveAdmonitionTitle', () => {
+	it('strips matching quotes and trims bare titles', () => {
+		expect(resolveAdmonitionTitle('note', '"自定义标题"')).toBe('自定义标题');
+		expect(resolveAdmonitionTitle('note', "'自定义标题'")).toBe('自定义标题');
+		expect(resolveAdmonitionTitle('note', ' 裸标题 ')).toBe('裸标题');
+	});
+
+	it('falls back to the localized default title, then the capitalized type', () => {
+		expect(resolveAdmonitionTitle('note', '')).toBe('注意');
+		expect(resolveAdmonitionTitle('ABSTRACT', '   ')).toBe('摘要');
+		expect(resolveAdmonitionTitle('unknown', '')).toBe('Unknown');
+	});
+});
+
+describe('replaceHugoAdmonitions', () => {
+	const render = (type: string, title: string, content: string) =>
+		`<aside data-type="${type}">${resolveAdmonitionTitle(type, title)}:${content.trim()}</aside>`;
+
+	it('accepts quoted, unquoted and missing titles', () => {
+		const quoted = replaceHugoAdmonitions(
+			'{{< admonition abstract "摘要" >}}\nbody\n{{< /admonition >}}',
+			render
+		);
+		const unquoted = replaceHugoAdmonitions(
+			'{{< admonition abstract 摘要>}}\nbody\n{{< /admonition >}}',
+			render
+		);
+		const missing = replaceHugoAdmonitions(
+			'{{< admonition abstract >}}\nbody\n{{< /admonition >}}',
+			render
+		);
+
+		expect(quoted).toContain('<aside data-type="abstract">摘要:body</aside>');
+		expect(unquoted).toContain('<aside data-type="abstract">摘要:body</aside>');
+		expect(missing).toContain('<aside data-type="abstract">摘要:body</aside>');
+	});
+
+	it('supports single quotes and multi-word bare titles', () => {
+		const singleQuoted = replaceHugoAdmonitions(
+			"{{< admonition tip 'Best practice' >}}\nbody\n{{< /admonition >}}",
+			render
+		);
+		expect(singleQuoted).toContain('<aside data-type="tip">Best practice:body</aside>');
+	});
+});
+
 describe('heading IDs', () => {
 	it('keeps Unicode letters and provides a deterministic fallback', () => {
 		expect(createHeadingId('中文 标题')).toBe('中文-标题');

src/lib/markdown/rendering.ts

@@ -2,6 +2,46 @@ import sanitizeHtml from 'sanitize-html';
 
 type AdmonitionRenderer = (type: string, title: string, content: string) => string;
 
+/** 无标题时的默认标题，与编辑器菜单中的中文名称保持一致 */
+export const DEFAULT_ADMONITION_TITLES: Record<string, string> = {
+	note: '注意',
+	abstract: '摘要',
+	info: '信息',
+	tip: '技巧',
+	success: '成功',
+	question: '问题',
+	warning: '警告',
+	failure: '失败',
+	danger: '危险',
+	bug: 'Bug',
+	example: '示例',
+	quote: '引用',
+	important: '重要',
+	caution: '谨慎'
+};
+
+/**
+ * 解析 admonition 标题：
+ * - 兼容 `"标题"`、`'标题'` 以及不带引号的裸标题（如 `abstract 摘要`）
+ * - 未提供标题时回退到该类型的默认标题，再回退到首字母大写的类型名
+ */
+export function resolveAdmonitionTitle(type: string, rawTitle: string): string {
+	const title = (rawTitle ?? '')
+		.trim()
+		.replace(/^(["'])([\s\S]*)\1$/, '$2')
+		.trim();
+
+	if (title) {
+		return title;
+	}
+
+	const typeLower = type.toLowerCase();
+	return (
+		DEFAULT_ADMONITION_TITLES[typeLower] ||
+		type.charAt(0).toUpperCase() + type.slice(1).toLowerCase()
+	);
+}
+
 export function replaceGithubAdmonitions(markdown: string, render: AdmonitionRenderer): string {
 	const pattern =
 		/(?:^|\r?\n)> ?\[!(NOTE|ABSTRACT|INFO|TIP|SUCCESS|QUESTION|WARNING|FAILURE|DANGER|BUG|EXAMPLE|QUOTE|IMPORTANT|CAUTION)\][ \t]*(.*?)\r?\n((?:>.*(?:\r?\n|$))*)/gi;
@@ -11,6 +51,20 @@ export function replaceGithubAdmonitions(markdown: string, render: AdmonitionRen
 	);
 }
 
+/**
+ * 替换 Hugo/Docsy 风格的 admonition shortcode：
+ * `{{< admonition <type> [标题] >}} ... {{< /admonition >}}`
+ * 标题可选，且可以是 `"标题"`、`'标题'` 或裸文本。
+ */
+export function replaceHugoAdmonitions(html: string, render: AdmonitionRenderer): string {
+	const pattern =
+		/\{\{<\s*admonition\s+([a-zA-Z][\w-]*)([^>]*?)>\}\}\r?\n([\s\S]*?)\{\{<\s*\/admonition\s*>\}\}/gi;
+
+	return html.replace(pattern, (_match, type: string, rawTitle: string, content: string) =>
+		render(type, rawTitle.trim(), content)
+	);
+}
+
 export function createHeadingId(rawText: string): string {
 	const slug = rawText
 		.replace(/<[^>]*>?/g, '')