Add metadata_only to get_section

components/library/src/content/section.rs

@@ -268,6 +268,10 @@ impl Section {
     pub fn to_serialized<'a>(&'a self, library: &'a Library) -> SerializingSection<'a> {
         SerializingSection::from_section(self, library)
     }
+
+    pub fn to_serialized_basic<'a>(&'a self, library: &'a Library) -> SerializingSection<'a> {
+        SerializingSection::from_section_basic(self, Some(library))
+    }
 }
 
 /// Used to create a default index section if there is no _index.md in the root content directory

components/templates/src/global_fns.rs

@@ -75,11 +75,17 @@ pub fn make_get_page(library: &Library) -> GlobalFn {
 
 pub fn make_get_section(library: &Library) -> GlobalFn {
     let mut sections = HashMap::new();
+    let mut sections_basic = HashMap::new();
     for section in library.sections_values() {
         sections.insert(
             section.file.relative.clone(),
             to_value(library.get_section(&section.file.path).unwrap().to_serialized(library)).unwrap(),
         );
+
+        sections_basic.insert(
+            section.file.relative.clone(),
+            to_value(library.get_section(&section.file.path).unwrap().to_serialized_basic(library)).unwrap(),
+        );
     }
 
     Box::new(move |args| -> Result<Value> {
@@ -89,7 +95,19 @@ pub fn make_get_section(library: &Library) -> GlobalFn {
             "`get_section` requires a `path` argument with a string value"
         );
 
-        match sections.get(&path) {
+        let metadata_only = args
+            .get("metadata_only")
+            .map_or(false, |c| {
+                from_value::<bool>(c.clone()).unwrap_or(false)
+            });
+
+        let container = if metadata_only {
+            &sections_basic
+        } else {
+            &sections
+        };
+
+        match container.get(&path) {
             Some(p) => Ok(p.clone()),
             None => Err(format!("Section `{}` not found.", path).into())
         }

docs/content/documentation/templates/overview.md

@@ -92,6 +92,12 @@ Takes a path to a `_index.md` file and returns the associated section
 {% set section = get_section(path="blog/_index.md") %}
 ```
 
+If you only need the metadata of the section, you can pass `metadata_only=true` to the function:
+
+```jinja2
+{% set section = get_section(path="blog/_index.md", metadata_only=true) %}
+```
+
 ### ` get_url`
 Gets the permalink for the given path.
 If the path starts with `./`, it will be understood as an internal
@@ -108,11 +114,11 @@ we want to link to the file that is located at `static/css/app.css`:
 {{/* get_url(path="css/app.css") */}}
 ```
 
-For assets it is reccommended that you pass `trailing_slash=false` to the `get_url` function. This prevents errors
+By default, assets will not have a trailing slash. You can force one by passing `trailing_slash=true` to the `get_url` function.
-when dealing with certain hosting providers. An example is:
+An example is:
 
 ```jinja2
-{{/* get_url(path="css/app.css", trailing_slash=false) */}}
+{{/* get_url(path="css/app.css", trailing_slash=true) */}}
 ```
 
 In the case of non-internal links, you can also add a cachebust of the format `?t=1290192` at the end of a URL