feat: 在管理后台表单中集成 Slug 自动生成与防抖处理功能

src/lib/utils/slugify.ts

@@ -0,0 +1,91 @@
+/**
+ * 发送请求至后台 /api/slugify 接口生成英文 Slug
+ */
+export async function fetchSlug(text: string): Promise<string> {
+	if (!text || !text.trim()) return '';
+
+	try {
+		const res = await fetch('/api/slugify', {
+			method: 'POST',
+			headers: {
+				'Content-Type': 'application/json'
+			},
+			body: JSON.stringify({ text })
+		});
+
+		if (res.ok) {
+			const data = (await res.json()) as { slug?: string };
+			return data.slug || '';
+		}
+	} catch (err) {
+		console.error('获取 Slug 错误:', err);
+	}
+	return '';
+}
+
+/**
+ * 带有防抖功能的前端 Slug 自动同步处理器
+ */
+export function createSlugAutoHandler(opts: {
+	getSlug: () => string;
+	setSlug: (val: string) => void;
+	getIsUserModified: () => boolean;
+	setIsUserModified: (val: boolean) => void;
+	delayMs?: number;
+}) {
+	const delay = opts.delayMs ?? 400;
+	let timer: ReturnType<typeof setTimeout> | null = null;
+	let isGenerating = false;
+
+	return {
+		/**
+		 * 当名称/标题 Input 事件触发时调用
+		 */
+		onNameInput(nameValue: string) {
+			// 若用户已经手动更改过 slug，则不自动强行覆盖
+			if (opts.getIsUserModified()) return;
+
+			if (timer) clearTimeout(timer);
+
+			if (!nameValue.trim()) {
+				opts.setSlug('');
+				return;
+			}
+
+			timer = setTimeout(async () => {
+				isGenerating = true;
+				const generated = await fetchSlug(nameValue);
+				// 在异步返回后，再次确认用户期间没有手动修改 slug
+				if (!opts.getIsUserModified() && generated) {
+					opts.setSlug(generated);
+				}
+				isGenerating = false;
+			}, delay);
+		},
+
+		/**
+		 * 当用户手动编辑 Slug 输入框时调用
+		 */
+		onSlugInput(slugValue: string) {
+			if (slugValue.trim()) {
+				opts.setIsUserModified(true);
+			} else {
+				// 如果把 slug 清空了，则恢复自动生成能力
+				opts.setIsUserModified(false);
+			}
+		},
+
+		/**
+		 * 用户点击 🔄 重新生成按钮时强制生成
+		 */
+		async forceGenerate(nameValue: string) {
+			if (!nameValue.trim()) return;
+			const generated = await fetchSlug(nameValue);
+			if (generated) {
+				opts.setSlug(generated);
+				// 标记为重置/由系统填充
+				opts.setIsUserModified(false);
+			}
+		}
+	};
+}

src/routes/admin/categories/+page.svelte

@@ -1,16 +1,27 @@
 <script lang="ts">
 	import { page } from '$app/stores';
 	import type { PageData, ActionData } from './$types';
+	import { createSlugAutoHandler } from '$lib/utils/slugify';
 
 	let { data, form }: { data: PageData; form: ActionData } = $props();
 
 	let name = $state('');
 	let slug = $state('');
+	let isSlugUserModified = $state(false);
+
+	const slugHandler = createSlugAutoHandler({
+		getSlug: () => slug,
+		setSlug: (val) => (slug = val),
+		getIsUserModified: () => isSlugUserModified,
+		setIsUserModified: (val) => (isSlugUserModified = val)
+	});
 
 	function handleNameInput() {
-		if (!slug) {
+		slugHandler.onNameInput(name);
-			slug = name.toLowerCase().replace(/\s+/g, '-');
 	}
+
+	function handleSlugInput() {
+		slugHandler.onSlugInput(slug);
 	}
 </script>
 
@@ -43,7 +54,26 @@
 			</div>
 			<div class="form-group">
 				<label for="slug">别名</label>
-				<input type="text" id="slug" name="slug" bind:value={slug} placeholder="例如: tech" />
+				<div style="display: flex; gap: 0.5rem; align-items: center;">
+					<input
+						type="text"
+						id="slug"
+						name="slug"
+						bind:value={slug}
+						oninput={handleSlugInput}
+						placeholder="例如: tech-sharing"
+						style="flex: 1;"
+					/>
+					<button
+						type="button"
+						class="btn btn-secondary"
+						style="padding: 0.4rem 0.6rem; cursor: pointer;"
+						title="生成英文 Slug"
+						onclick={() => slugHandler.forceGenerate(name)}
+					>
+						🔄
+					</button>
+				</div>
 			</div>
 			<button type="submit" class="btn btn-primary">创建</button>
 		</form>

src/routes/admin/pages/new/+page.svelte

@@ -4,21 +4,29 @@
 	import type { ActionData } from './$types';
 	import MarkdownRenderer from '$lib/components/MarkdownRenderer.svelte';
 
+	import { createSlugAutoHandler } from '$lib/utils/slugify';
+
 	let { form }: { form: ActionData } = $props();
 
 	let title = $state('');
 	let slug = $state('');
 	let content = $state('');
 	let mode = $state<'edit' | 'preview'>('edit');
+	let isSlugUserModified = $state(false);
+
+	const slugHandler = createSlugAutoHandler({
+		getSlug: () => slug,
+		setSlug: (val) => (slug = val),
+		getIsUserModified: () => isSlugUserModified,
+		setIsUserModified: (val) => (isSlugUserModified = val)
+	});
 
-	// 自动从标题生成 Slug 简易逻辑
 	function handleTitleInput() {
-		if (!slug) {
+		slugHandler.onNameInput(title);
-			slug = title
-				.toLowerCase()
-				.replace(/[^\w\u4e00-\u9fa5\s-]/g, '')
-				.replace(/\s+/g, '-');
 	}
+
+	function handleSlugInput() {
+		slugHandler.onSlugInput(slug);
 	}
 </script>
 
@@ -92,13 +100,25 @@
 			</div>
 
 			<div class="sidebar-box">
-				<h3>别名 *</h3>
+				<div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem;">
+					<h3 style="margin: 0;">别名 *</h3>
+					<button
+						type="button"
+						class="btn btn-secondary"
+						style="padding: 0.2rem 0.5rem; font-size: 0.8rem; cursor: pointer;"
+						title="生成英文 Slug"
+						onclick={() => slugHandler.forceGenerate(title)}
+					>
+						🔄 生成
+					</button>
+				</div>
 				<input
 					type="text"
 					id="slug"
 					name="slug"
 					class="sidebar-input"
 					bind:value={slug}
+					oninput={handleSlugInput}
 					placeholder="about"
 					required
 				/>

src/routes/admin/posts/new/+page.svelte

@@ -11,6 +11,8 @@
 	import { parseHugoMarkdown } from '$lib/hugoParser';
 	import { untrack } from 'svelte';
 
+	import { createSlugAutoHandler } from '$lib/utils/slugify';
+
 	let { data, form }: { data: PageData; form: ActionData } = $props();
 	const initialData = $state.snapshot(untrack(() => data));
 
@@ -29,14 +31,21 @@
 	let tagsList = $state(initialData.tags || []);
 	let seriesList = $state(initialData.series || []);
 
-	// 自动从标题生成 Slug 简易逻辑
+	let isSlugUserModified = $state(false);
+
+	const slugHandler = createSlugAutoHandler({
+		getSlug: () => slug,
+		setSlug: (val) => (slug = val),
+		getIsUserModified: () => isSlugUserModified,
+		setIsUserModified: (val) => (isSlugUserModified = val)
+	});
+
 	function handleTitleInput() {
-		if (!slug) {
+		slugHandler.onNameInput(title);
-			slug = title
-				.toLowerCase()
-				.replace(/[^\w\u4e00-\u9fa5\s-]/g, '')
-				.replace(/\s+/g, '-');
 	}
+
+	function handleSlugInput() {
+		slugHandler.onSlugInput(slug);
 	}
 
 	let selectedTags = $state<number[]>([]);
@@ -501,13 +510,25 @@
 			<FeaturedImagePicker bind:cover adaptiveHeight previewable />
 
 			<div class="sidebar-box">
-				<h3>别名 *</h3>
+				<div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem;">
+					<h3 style="margin: 0;">别名 *</h3>
+					<button
+						type="button"
+						class="btn btn-secondary"
+						style="padding: 0.2rem 0.5rem; font-size: 0.8rem; cursor: pointer;"
+						title="生成英文 Slug"
+						onclick={() => slugHandler.forceGenerate(title)}
+					>
+						🔄 生成
+					</button>
+				</div>
 				<input
 					type="text"
 					id="slug"
 					name="slug"
 					class="sidebar-input"
 					bind:value={slug}
+					oninput={handleSlugInput}
 					placeholder="hello-world"
 					required
 				/>

src/routes/admin/series/+page.svelte

@@ -2,18 +2,26 @@
 	import { page } from '$app/stores';
 	import { resolve } from '$app/paths';
 	import type { ActionData, PageData } from './$types';
+	import { createSlugAutoHandler } from '$lib/utils/slugify';
 
 	let { data, form }: { data: PageData; form: ActionData } = $props();
 	let name = $state('');
 	let slug = $state('');
+	let isSlugUserModified = $state(false);
+
+	const slugHandler = createSlugAutoHandler({
+		getSlug: () => slug,
+		setSlug: (val) => (slug = val),
+		getIsUserModified: () => isSlugUserModified,
+		setIsUserModified: (val) => (isSlugUserModified = val)
+	});
 
 	function handleNameInput() {
-		if (!slug) {
+		slugHandler.onNameInput(name);
-			slug = name
-				.toLowerCase()
-				.replace(/[^\w\u4e00-\u9fa5\s-]/g, '')
-				.replace(/\s+/g, '-');
 	}
+
+	function handleSlugInput() {
+		slugHandler.onSlugInput(slug);
 	}
 </script>
 
@@ -40,7 +48,26 @@
 			/>
 
 			<label for="slug">URL 别名 *</label>
-			<input id="slug" name="slug" type="text" bind:value={slug} required />
+			<div style="display: flex; gap: 0.5rem; align-items: center; margin-bottom: 1rem;">
+				<input
+					id="slug"
+					name="slug"
+					type="text"
+					bind:value={slug}
+					oninput={handleSlugInput}
+					required
+					style="flex: 1;"
+				/>
+				<button
+					type="button"
+					class="btn btn-secondary"
+					style="padding: 0.4rem 0.6rem; cursor: pointer;"
+					title="生成英文 Slug"
+					onclick={() => slugHandler.forceGenerate(name)}
+				>
+					🔄
+				</button>
+			</div>
 
 			<label for="description">描述</label>
 			<textarea