split into proper function

src/utils/markdown.rs

@@ -11,6 +11,7 @@ use std::path::Path;
 use std::sync::Arc;
 
 use crate::utils::metadata::MType;
+use crate::utils::misc::remove_first_letter;
 
 use super::metadata::{get, MFile, Metadata};
 
@@ -213,13 +214,8 @@ fn fix_headers_ids(html: &str, path: Option<&FilePath>) -> String {
             element_content_handlers: vec![element!(
                 "a:not(.footnote-ref):not(.footnote-backref)[href^='#']",
                 |el| {
-                    /// Remove the first character of a string
-                    fn remove_anchor(s: &str) -> &str {
-                        s.chars().next().map(|c| &s[c.len_utf8()..]).unwrap()
-                    }
-
                     let id = el.get_attribute("id").unwrap_or(
-                        path_to_hid(path) + remove_anchor(&el.get_attribute("href").unwrap()),
+                        path_to_hid(path) + remove_first_letter(&el.get_attribute("href").unwrap()),
                     );
                     el.set_attribute("href", &format!("#{id}")).unwrap();
                     Ok(())

src/utils/misc.rs

@@ -86,3 +86,8 @@ fn read_pdf(data: Vec<u8>) -> File {
         ),
     }
 }
+
+/// Remove the first character of a string
+pub fn remove_first_letter(s: &str) -> &str {
+    s.chars().next().map(|c| &s[c.len_utf8()..]).unwrap()
+}