feat: implement zigfmt

src/formatters/mod.rs

@@ -4,13 +4,14 @@ use tempfile::NamedTempFile;
 
 use self::{
     nimpretty::format_using_nimpretty, ruff::format_using_ruff, rustfmt::format_using_rustfmt,
-    stylua::format_using_stylua,
+    stylua::format_using_stylua, zigfmt::format_using_zigfmt,
 };
 
 mod nimpretty;
 mod ruff;
 mod rustfmt;
 mod stylua;
+mod zigfmt;
 
 pub fn setup_snippet(code: &str) -> std::io::Result<NamedTempFile> {
     let mut f = NamedTempFile::new()?;
@@ -35,6 +36,7 @@ pub fn format_snippet(language: &str, code: String) -> String {
         "lua" => format_using_stylua(&code),
         "python" => format_using_ruff(&code),
         "nim" => format_using_nimpretty(&code),
+        "zig" => format_using_zigfmt(&code),
         _ => Ok(None),
     } {
         return formatted_code;

src/formatters/zigfmt.rs

@@ -0,0 +1,18 @@
+use super::{execute_command, read_snippet, setup_snippet};
+
+pub fn format_using_zigfmt(code: &str) -> std::io::Result<Option<String>> {
+    let file = setup_snippet(code)?;
+    let file_path = file.path();
+
+    let mut cmd = std::process::Command::new("zig");
+
+    cmd.arg("fmt");
+
+    cmd.arg(file_path);
+
+    if execute_command(&mut cmd)? {
+        return read_snippet(file_path).map(Some);
+    }
+
+    Ok(None)
+}

test/input.md

@@ -49,3 +49,12 @@ proc add( a         :int , b:int )        : int =
         return a +          b
 
 ```
+
+```zig
+fn add (a : i32    , b :   i32 )             i32 {
+        return a + b ;
+
+    }
+
+
+```