Moved to convert_case crate for kebab case conversions.

lychee-lib/Cargo.toml

@@ -20,6 +20,7 @@ version = "0.13.0"
 async-stream = "0.3.5"
 cached = "0.44.0"
 check-if-email-exists = { version = "0.9.0", optional = true }
+convert_case = "0.6.0"
 email_address = "0.2.4"
 futures = "0.3.27"
 glob = "0.3.1"

lychee-lib/src/extract/markdown.rs

@@ -1,6 +1,7 @@
 //! Extract things from markdown documents
 use std::collections::{HashMap, HashSet};
 
+use convert_case::{Case, Casing};
 use pulldown_cmark::{Event, Parser, Tag};
 
 use crate::{extract::plaintext::extract_plaintext, types::uri::raw::RawUri};
@@ -98,7 +99,7 @@ pub(crate) fn extract_markdown_fragments(input: &str) -> HashSet<String> {
                     out.insert(frag.to_string());
                 }
 
-                let mut id = into_kebab_case(&heading);
+                let mut id = heading.to_case(Case::Kebab);
 
                 let k_id_count = kebab_id_counter.entry(id.clone()).or_insert(0);
                 if *k_id_count != 0 {
@@ -123,22 +124,6 @@ pub(crate) fn extract_markdown_fragments(input: &str) -> HashSet<String> {
     out
 }
 
-/// Converts text into kebab case
-#[must_use]
-pub fn into_kebab_case(text: &str) -> String {
-    text.chars()
-        .filter_map(|ch| {
-            if ch.is_alphanumeric() || ch == '_' || ch == '-' {
-                Some(ch.to_ascii_lowercase())
-            } else if ch.is_whitespace() {
-                Some('-')
-            } else {
-                None
-            }
-        })
-        .collect::<String>()
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;