From fc121f0c8702a23951596850f7bec2bb2de5b45b Mon Sep 17 00:00:00 2001
From: Caio Alonso <caio@caioalonso.com>
Date: Fri, 26 Jun 2020 21:42:05 -0300
Subject: [PATCH] Defaults *.fs to F#

---
 src/assets.rs                    | 1 +
 src/syntax_mapping.rs            | 1 +
 tests/no_duplicate_extensions.rs | 2 ++
 3 files changed, 4 insertions(+)

diff --git a/src/assets.rs b/src/assets.rs
index 86c3fe0b..b30fa3b7 100644
--- a/src/assets.rs
+++ b/src/assets.rs
@@ -428,6 +428,7 @@ mod tests {
         assert_eq!(test.syntax_for_file("test.h"), "C++");
         assert_eq!(test.syntax_for_file("test.sass"), "Sass");
         assert_eq!(test.syntax_for_file("test.js"), "JavaScript (Babel)");
+        assert_eq!(test.syntax_for_file("test.fs"), "F#");
     }
 
     #[test]
diff --git a/src/syntax_mapping.rs b/src/syntax_mapping.rs
index 0b1feb82..0b65ae65 100644
--- a/src/syntax_mapping.rs
+++ b/src/syntax_mapping.rs
@@ -23,6 +23,7 @@ impl<'a> SyntaxMapping<'a> {
     pub fn builtin() -> SyntaxMapping<'a> {
         let mut mapping = Self::empty();
         mapping.insert("*.h", MappingTarget::MapTo("C++")).unwrap();
+        mapping.insert("*.fs", MappingTarget::MapTo("F#")).unwrap();
         mapping
             .insert("build", MappingTarget::MapToUnknown)
             .unwrap();
diff --git a/tests/no_duplicate_extensions.rs b/tests/no_duplicate_extensions.rs
index 2f3b5c08..3f2f1460 100644
--- a/tests/no_duplicate_extensions.rs
+++ b/tests/no_duplicate_extensions.rs
@@ -14,6 +14,8 @@ fn no_duplicate_extensions() {
         // The "Ruby Haml" syntax also comes with a '.sass' extension. However, we make sure
         // that 'sass' is mapped to the 'Sass' syntax.
         "sass",
+        // The '.fs' extension appears in F# and GLSL. We default to F#.
+        "fs",
     ];
 
     let assets = HighlightingAssets::from_binary();