Force newline after front-matter

Closes #1287

CHANGELOG.md

@@ -2,7 +2,11 @@
 
 ## unreleased
 
-### Features
+### Breaking
+
+- Newlines are now required after the closing `+++` of front-matter
+
+### Other
 
 - internal links are now resolved in the `markdown` filter in the templates (#1296 #1316)
 - Add a `required` argument to `load_data` so it can be allowed to fail

components/front_matter/src/lib.rs

@@ -15,9 +15,9 @@ pub use section::SectionFrontMatter;
 
 lazy_static! {
     static ref TOML_RE: Regex =
-        Regex::new(r"^[[:space:]]*\+\+\+(\r?\n(?s).*?(?-s))\+\+\+\r?\n?((?s).*(?-s))$").unwrap();
+        Regex::new(r"^[[:space:]]*\+\+\+(\r?\n(?s).*?(?-s))\+\+\+\r?\n((?s).*(?-s))$").unwrap();
     static ref YAML_RE: Regex =
-        Regex::new(r"^[[:space:]]*---(\r?\n(?s).*?(?-s))---\r?\n?((?s).*(?-s))$").unwrap();
+        Regex::new(r"^[[:space:]]*---(\r?\n(?s).*?(?-s))---\r?\n((?s).*(?-s))$").unwrap();
 }
 
 pub enum RawFrontMatter<'a> {
@@ -174,13 +174,15 @@ Hello
 title = "Title"
 description = "hey there"
 date = 2002-10-12
-+++"#; "toml")]
++++
+"#; "toml")]
     #[test_case(r#"
 ---
 title: Title
 description: hey there
 date: 2002-10-12
----"#; "yaml")]
+---
+"#; "yaml")]
     fn can_split_content_with_only_frontmatter_valid(content: &str) {
         let (front_matter, content) = split_page_content(Path::new(""), content).unwrap();
         assert_eq!(content, "");

components/library/src/content/page.rs

@@ -490,7 +490,7 @@ Hello world"#;
         let mut config = Config::default();
         config.slugify.paths = SlugifyStrategy::On;
         let res =
-            Page::parse(Path::new(" file with space.md"), "+++\n+++", &config, &PathBuf::new());
+            Page::parse(Path::new(" file with space.md"), "+++\n+++\n", &config, &PathBuf::new());
         assert!(res.is_ok());
         let page = res.unwrap();
         assert_eq!(page.slug, "file-with-space");
@@ -501,7 +501,7 @@ Hello world"#;
     fn can_make_path_from_utf8_filename() {
         let mut config = Config::default();
         config.slugify.paths = SlugifyStrategy::Safe;
-        let res = Page::parse(Path::new("日本.md"), "+++\n++++", &config, &PathBuf::new());
+        let res = Page::parse(Path::new("日本.md"), "+++\n+++\n", &config, &PathBuf::new());
         assert!(res.is_ok());
         let page = res.unwrap();
         assert_eq!(page.slug, "日本");

components/templates/src/global_fns/load_data.rs

@@ -255,8 +255,7 @@ impl TeraFn for LoadData {
                         .into())
                     }
                 }
-            }
-            // Now that we have discarded recoverable errors, we can unwrap the result
+            } // Now that we have discarded recoverable errors, we can unwrap the result
         }?;
 
         let result_value: Result<Value> = match file_format {