fix: find uppercased notes when referenced with lowercase

This commit fixes a bug where, if a note contained uppercase characters
(for example `Note.md`) but was referred to using lowercase
`(`[[note]]`), that note would not be found.

src/lib.rs

@@ -586,10 +586,11 @@ fn lookup_filename_in_vault<'a>(
     // sentence even if the note is capitalized for example) so we also try a case-insensitive
     // lookup.
     vault_contents.iter().find(|path| {
+        let path_lowered = PathBuf::from(path.to_string_lossy().to_lowercase());
         path.ends_with(&filename)
-            || path.ends_with(&filename.to_lowercase())
+            || path_lowered.ends_with(&filename.to_lowercase())
             || path.ends_with(format!("{}.md", &filename))
-            || path.ends_with(format!("{}.md", &filename.to_lowercase()))
+            || path_lowered.ends_with(format!("{}.md", &filename.to_lowercase()))
     })
 }
 

tests/testdata/expected/main-samples/obsidian-wikilinks.md

@@ -6,6 +6,8 @@ Link to [pure-markdown-examples > Heading 1](pure-markdown-examples.md#heading-1
 
 Link to [pure markdown examples](pure-markdown-examples.md#heading-1).
 
+Link to [uppercased-note](Uppercased-note.md).
+
 Link within backticks: `[[pure-markdown-examples]]`
 
 ````

tests/testdata/input/main-samples/obsidian-wikilinks.md

@@ -6,6 +6,8 @@ Link to [[pure-markdown-examples#Heading 1]].
 
 Link to [[pure-markdown-examples#Heading 1|pure markdown examples]].
 
+Link to [[uppercased-note]].
+
 Link within backticks: `[[pure-markdown-examples]]`
 
 ```