feat: add support for nimpretty (#4)

src/formatters/mod.rs

@@ -2,8 +2,12 @@ use std::{io::Write, process::Command};
 
 use tempfile::NamedTempFile;
 
-use self::{ruff::format_using_ruff, rustfmt::format_using_rustfmt, stylua::format_using_stylua};
+use self::{
+    nimpretty::format_using_nimpretty, ruff::format_using_ruff, rustfmt::format_using_rustfmt,
+    stylua::format_using_stylua,
+};
 
+mod nimpretty;
 mod ruff;
 mod rustfmt;
 mod stylua;
@@ -30,7 +34,7 @@ pub fn format_snippet(language: &str, code: String) -> String {
         "rust" => format_using_rustfmt(&code),
         "lua" => format_using_stylua(&code),
         "python" => format_using_ruff(&code),
-
+        "nim" => format_using_nimpretty(&code),
         _ => Ok(None),
     } {
         return formatted_code;

src/formatters/nimpretty.rs

@@ -0,0 +1,16 @@
+use super::{execute_command, read_snippet, setup_snippet};
+
+pub fn format_using_nimpretty(code: &str) -> std::io::Result<Option<String>> {
+    let file = setup_snippet(code)?;
+    let file_path = file.path();
+
+    let mut cmd = std::process::Command::new("nimpretty");
+
+    cmd.arg(file_path);
+
+    if execute_command(&mut cmd)? {
+        return read_snippet(file_path).map(Some);
+    }
+
+    Ok(None)
+}

src/main.rs

@@ -7,7 +7,7 @@ mod config;
 mod formatters;
 
 fn format_file(path: &std::path::Path) -> std::io::Result<()> {
-    println!("Formatting {:#?}", path);
+    println!("Formatting {path:#?}");
 
     let input = std::fs::read_to_string(path)?;
 

test/input.md

@@ -40,4 +40,12 @@ def add (
 
 
 
+```
+
+```nim
+
+
+proc add( a         :int , b:int )        : int =
+        return a +          b
+
 ```