From 069ac3827411c1f26d97caca962a175db9a2d7cc Mon Sep 17 00:00:00 2001
From: Uiolee <22849383+uiolee@users.noreply.github.com>
Date: Fri, 17 May 2024 17:07:53 +0800
Subject: [PATCH] feat: add option to use slug as title of post (#5470)

Signed-off-by: Uiolee <22849383+uiolee@users.noreply.github.com>
Co-authored-by: Sukka <isukkaw@gmail.com>
---
 lib/hexo/default_config.ts      |  2 ++
 lib/plugins/processor/post.ts   | 10 ++++++++--
 test/scripts/processors/post.ts | 26 ++++++++++++++++++++++++++
 3 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/lib/hexo/default_config.ts b/lib/hexo/default_config.ts
index 6d1ede870c..390b8f32f5 100644
--- a/lib/hexo/default_config.ts
+++ b/lib/hexo/default_config.ts
@@ -58,6 +58,8 @@ export = {
     exclude_languages: [],
     strip_indent: true
   },
+  use_filename_as_post_title: false,
+
   // Category & Tag
   default_category: 'uncategorized',
   category_map: {},
diff --git a/lib/plugins/processor/post.ts b/lib/plugins/processor/post.ts
index 2baee39021..969fad87a1 100644
--- a/lib/plugins/processor/post.ts
+++ b/lib/plugins/processor/post.ts
@@ -71,8 +71,8 @@ function processPost(ctx: Hexo, file: _File) {
   const { path } = file.params;
   const doc = Post.findOne({source: file.path});
   const { config } = ctx;
-  const { timezone: timezoneCfg } = config;
-  const updated_option = config.updated_option;
+  const { timezone: timezoneCfg, updated_option, use_slug_as_post_title } = config;
+
   let categories, tags;
 
   if (file.type === 'skip' && doc) {
@@ -110,6 +110,12 @@ function processPost(ctx: Hexo, file: _File) {
       if (!preservedKeys[key]) data[key] = info[key];
     }
 
+    // use `slug` as `title` of post when `title` is not specified.
+    // https://github.com/hexojs/hexo/issues/5372
+    if (use_slug_as_post_title && !('title' in data)) {
+      data.title = info.title;
+    }
+
     if (data.date) {
       data.date = toDate(data.date);
     } else if (info && info.year && (info.month || info.i_month) && (info.day || info.i_day)) {
diff --git a/test/scripts/processors/post.ts b/test/scripts/processors/post.ts
index c19f2f2c9c..9fa83192e2 100644
--- a/test/scripts/processors/post.ts
+++ b/test/scripts/processors/post.ts
@@ -805,6 +805,32 @@ describe('post', () => {
     ]);
   });
 
+  // use `slug` as `title` of post when `title` is not specified.
+  // https://github.com/hexojs/hexo/issues/5372
+  it('post - without title - use filename', async () => {
+    hexo.config.use_slug_as_post_title = true;
+
+    const body = '';
+
+    const file = newFile({
+      path: 'bar.md',
+      published: true,
+      type: 'create',
+      renderable: true
+    });
+
+    await writeFile(file.source, body);
+    await process(file);
+    const post = Post.findOne({ source: file.path });
+
+    post.title.should.eql('bar');
+
+    return Promise.all([
+      post.remove(),
+      unlink(file.source)
+    ]);
+  });
+
   it('post - category is an alias for categories', async () => {
     const body = [
       'title: "Hello world"',