feat: clean napi-derive noop feature code path (#1571)

crates/backend/src/ast.rs

@@ -139,9 +139,9 @@ pub enum NapiEnumValue {
   Number(i32),
 }
 
-impl Into<Literal> for &NapiEnumValue {
+impl From<&NapiEnumValue> for Literal {
-  fn into(self) -> Literal {
+  fn from(val: &NapiEnumValue) -> Self {
-    match self {
+    match val {
       NapiEnumValue::String(string) => Literal::string(string),
       NapiEnumValue::Number(number) => Literal::i32_unsuffixed(number.to_owned()),
     }

crates/macro/Cargo.toml

@@ -27,6 +27,7 @@ napi-derive-backend = { version = "1.0.49", path = "../backend" }
 proc-macro2 = "1.0"
 quote = "1.0"
 syn = { version = "1.0.61", features = ["fold", "full", "extra-traits"] }
+cfg-if = "1.0"
 
 [lib]
 proc-macro = true

crates/macro/src/expand.rs

@@ -0,0 +1,9 @@
+cfg_if::cfg_if! {
+  if #[cfg(feature = "noop")] {
+    mod noop;
+    pub use self::noop::*;
+  } else {
+    mod napi;
+    pub use self::napi::*;
+  }
+}

crates/macro/src/expand/napi.rs

@@ -0,0 +1,242 @@
+use std::env;
+use std::fs;
+#[cfg(feature = "type-def")]
+use std::io::BufWriter;
+use std::io::Write;
+use std::sync::atomic::{AtomicBool, Ordering};
+
+use crate::parser::{attrs::BindgenAttrs, ParseNapi};
+#[cfg(feature = "type-def")]
+use napi_derive_backend::ToTypeDef;
+use napi_derive_backend::{BindgenResult, Napi, TryToTokens, REGISTER_IDENTS};
+use proc_macro2::{TokenStream, TokenTree};
+use quote::ToTokens;
+use syn::{Attribute, Item};
+
+/// a flag indicate whether or never at least one `napi` macro has been expanded.
+/// ```ignore
+/// if BUILT_FLAG
+///  .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
+///  .is_ok() {
+///   // logic on first macro expansion
+/// }
+///
+/// ```
+static BUILT_FLAG: AtomicBool = AtomicBool::new(false);
+
+pub fn expand(attr: TokenStream, input: TokenStream) -> BindgenResult<TokenStream> {
+  if BUILT_FLAG
+    .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
+    .is_ok()
+  {
+    // logic on first macro expansion
+    #[cfg(feature = "type-def")]
+    prepare_type_def_file();
+
+    if let Ok(wasi_register_file) = env::var("WASI_REGISTER_TMP_PATH") {
+      if let Err(_e) = fs::remove_file(wasi_register_file) {
+        #[cfg(debug_assertions)]
+        {
+          println!("Failed to manipulate wasi register file: {:?}", _e);
+        }
+      }
+    }
+  }
+
+  let mut item = syn::parse2::<Item>(input)?;
+  let opts: BindgenAttrs = syn::parse2(attr)?;
+  let mut tokens = proc_macro2::TokenStream::new();
+  if let Item::Mod(mut js_mod) = item {
+    let js_name = opts.js_name().map_or_else(
+      || js_mod.ident.to_string(),
+      |(js_name, _)| js_name.to_owned(),
+    );
+    if let Some((_, mut items)) = js_mod.content.clone() {
+      for item in items.iter_mut() {
+        let mut empty_attrs = vec![];
+        if let Some(item_opts) = replace_napi_attr_in_mod(
+          js_name.clone(),
+          match item {
+            Item::Fn(ref mut function) => &mut function.attrs,
+            Item::Struct(ref mut struct_) => &mut struct_.attrs,
+            Item::Enum(ref mut enum_) => &mut enum_.attrs,
+            Item::Const(ref mut const_) => &mut const_.attrs,
+            Item::Impl(ref mut impl_) => &mut impl_.attrs,
+            Item::Mod(mod_) => {
+              let mod_in_mod = mod_
+                .attrs
+                .iter()
+                .enumerate()
+                .find(|(_, m)| m.path.segments[0].ident == "napi");
+              if mod_in_mod.is_some() {
+                bail_span!(
+                  mod_,
+                  "napi module cannot be nested under another napi module"
+                );
+              } else {
+                &mut empty_attrs
+              }
+            }
+            _ => &mut empty_attrs,
+          },
+        ) {
+          let napi = item.parse_napi(&mut tokens, item_opts)?;
+          napi.try_to_tokens(&mut tokens)?;
+
+          #[cfg(feature = "type-def")]
+          output_type_def(&napi);
+        } else {
+          item.to_tokens(&mut tokens);
+        };
+      }
+      js_mod.content = None;
+    };
+
+    let js_mod_attrs: Vec<Attribute> = js_mod
+      .attrs
+      .clone()
+      .into_iter()
+      .filter(|attr| attr.path.segments[0].ident != "napi")
+      .collect();
+    let mod_name = js_mod.ident;
+    let visible = js_mod.vis;
+    let mod_tokens = quote! { #(#js_mod_attrs)* #visible mod #mod_name { #tokens } };
+    Ok(mod_tokens)
+  } else {
+    let napi = item.parse_napi(&mut tokens, opts)?;
+    napi.try_to_tokens(&mut tokens)?;
+
+    #[cfg(feature = "type-def")]
+    output_type_def(&napi);
+
+    REGISTER_IDENTS.with(|idents| {
+      if let Ok(wasi_register_file) = env::var("WASI_REGISTER_TMP_PATH") {
+        let mut file =
+          fs::File::create(wasi_register_file).expect("Create wasi register file failed");
+        file
+          .write_all(format!("{:?}", idents.borrow()).as_bytes())
+          .expect("Write wasi register file failed");
+      }
+    });
+
+    Ok(tokens)
+  }
+}
+
+#[cfg(feature = "type-def")]
+fn output_type_def(napi: &Napi) {
+  if let Ok(type_def_file) = env::var("TYPE_DEF_TMP_PATH") {
+    if let Some(type_def) = napi.to_type_def() {
+      fs::OpenOptions::new()
+        .append(true)
+        .create(true)
+        .open(type_def_file)
+        .and_then(|file| {
+          let mut writer = BufWriter::<fs::File>::new(file);
+          writer.write_all(type_def.to_string().as_bytes())?;
+          writer.write_all("\n".as_bytes())
+        })
+        .unwrap_or_else(|e| {
+          println!("Failed to write type def file: {:?}", e);
+        });
+    }
+  }
+}
+
+fn replace_napi_attr_in_mod(
+  js_namespace: String,
+  attrs: &mut Vec<syn::Attribute>,
+) -> Option<BindgenAttrs> {
+  let napi_attr = attrs.clone();
+  let napi_attr = napi_attr
+    .iter()
+    .enumerate()
+    .find(|(_, m)| m.path.segments[0].ident == "napi");
+  if let Some((index, napi_attr)) = napi_attr {
+    let attr_token_stream = napi_attr.tokens.clone();
+    let raw_attr_stream = attr_token_stream.to_string();
+    let raw_attr_stream = if !raw_attr_stream.is_empty() {
+      raw_attr_stream
+        .strip_prefix('(')
+        .unwrap()
+        .strip_suffix(')')
+        .unwrap()
+        .to_string()
+    } else {
+      raw_attr_stream
+    };
+    let raw_attr_token_stream = syn::parse_str::<TokenStream>(raw_attr_stream.as_str()).unwrap();
+
+    let new_attr: syn::Attribute = if !raw_attr_stream.is_empty() {
+      syn::parse_quote!(
+        #[napi(#raw_attr_token_stream, namespace = #js_namespace)]
+      )
+    } else {
+      syn::parse_quote!(
+        #[napi(namespace = #js_namespace)]
+      )
+    };
+    let struct_opts: BindgenAttrs =
+      if let Some(TokenTree::Group(g)) = new_attr.tokens.into_iter().next() {
+        syn::parse2(g.stream()).ok()?
+      } else {
+        syn::parse2(quote! {}).ok()?
+      };
+    attrs.remove(index);
+    Some(struct_opts)
+  } else {
+    None
+  }
+}
+
+#[cfg(feature = "type-def")]
+fn prepare_type_def_file() {
+  if let Ok(ref type_def_file) = env::var("TYPE_DEF_TMP_PATH") {
+    use napi_derive_backend::{NAPI_RS_CLI_VERSION, NAPI_RS_CLI_VERSION_WITH_SHARED_CRATES_FIX};
+    if let Err(_e) = if *NAPI_RS_CLI_VERSION >= *NAPI_RS_CLI_VERSION_WITH_SHARED_CRATES_FIX {
+      remove_existed_type_def(type_def_file)
+    } else {
+      fs::remove_file(type_def_file)
+    } {
+      #[cfg(debug_assertions)]
+      {
+        println!("Failed to manipulate type def file: {:?}", _e);
+      }
+    }
+  }
+}
+
+#[cfg(feature = "type-def")]
+fn remove_existed_type_def(type_def_file: &str) -> std::io::Result<()> {
+  use std::io::{BufRead, BufReader};
+
+  let pkg_name = std::env::var("CARGO_PKG_NAME").expect("CARGO_PKG_NAME is not set");
+  if let Ok(content) = std::fs::File::open(type_def_file) {
+    let reader = BufReader::new(content);
+    let cleaned_content = reader
+      .lines()
+      .filter_map(|line| {
+        if let Ok(line) = line {
+          if let Some((package_name, _)) = line.split_once(':') {
+            if pkg_name == package_name {
+              return None;
+            }
+          }
+          Some(line)
+        } else {
+          None
+        }
+      })
+      .collect::<Vec<String>>()
+      .join("\n");
+    let mut content = std::fs::OpenOptions::new()
+      .read(true)
+      .write(true)
+      .truncate(true)
+      .open(type_def_file)?;
+
+    content.write_all(cleaned_content.as_bytes())?;
+    content.write_all(b"\n")?;
+  }
+  Ok(())
+}

crates/macro/src/expand/noop.rs

@@ -0,0 +1,36 @@
+use napi_derive_backend::BindgenResult;
+use proc_macro2::TokenStream;
+use quote::ToTokens;
+use syn::Attribute;
+
+pub fn expand(_attr: TokenStream, input: TokenStream) -> BindgenResult<TokenStream> {
+  let mut item = syn::parse2::<syn::Item>(input)?;
+  let mut tokens = TokenStream::new();
+
+  if let syn::Item::Struct(ref mut struct_) = item {
+    struct_
+      .fields
+      .iter_mut()
+      .for_each(|field| find_and_remove_napi_attr(&mut field.attrs))
+  }
+
+  item.to_tokens(&mut tokens);
+
+  Ok(tokens)
+}
+
+fn find_and_remove_napi_attr(attrs: &mut Vec<Attribute>) {
+  loop {
+    let napi_attr = attrs
+      .iter()
+      .enumerate()
+      .find(|&(_, m)| m.path.segments[0].ident == "napi");
+
+    let pos = match napi_attr {
+      Some((pos, _raw_attr)) => pos,
+      None => break,
+    };
+
+    attrs.remove(pos);
+  }
+}

crates/macro/src/lib.rs

@@ -1,5 +1,6 @@
 #[cfg(feature = "compat-mode")]
 mod compat_macro;
+mod expand;
 mod parser;
 
 #[macro_use]
@@ -9,101 +10,25 @@ extern crate napi_derive_backend;
 #[macro_use]
 extern crate quote;
 
-#[cfg(not(feature = "noop"))]
 use std::env;
-#[cfg(not(feature = "noop"))]
-use std::fs;
-#[cfg(not(feature = "noop"))]
-use std::io::Write;
-#[cfg(all(feature = "type-def", not(feature = "noop")))]
-use std::io::{BufWriter, Result as IOResult};
-#[cfg(not(feature = "noop"))]
-use std::sync::atomic::{AtomicBool, Ordering};
 
-use napi_derive_backend::BindgenResult;
+use proc_macro::TokenStream;
-#[cfg(not(feature = "noop"))]
-use napi_derive_backend::TryToTokens;
-#[cfg(not(feature = "noop"))]
-use napi_derive_backend::REGISTER_IDENTS;
-#[cfg(all(feature = "type-def", not(feature = "noop")))]
-use napi_derive_backend::{ToTypeDef, TypeDef};
-#[cfg(not(feature = "noop"))]
-use parser::{attrs::BindgenAttrs, ParseNapi};
-use proc_macro::TokenStream as RawStream;
-use proc_macro2::TokenStream;
-#[cfg(not(feature = "noop"))]
-use proc_macro2::TokenTree;
-use quote::ToTokens;
-use syn::Attribute;
-#[cfg(not(feature = "noop"))]
-use syn::Item;
 #[cfg(feature = "compat-mode")]
 use syn::{fold::Fold, parse_macro_input, ItemFn};
 
-#[cfg(not(feature = "noop"))]
-/// a flag indicate whether or never at least one `napi` macro has been expanded.
-/// ```ignore
-/// if BUILT_FLAG
-///  .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
-///  .is_ok() {
-///   // logic on first macro expansion
-/// }
-///
-/// ```
-static BUILT_FLAG: AtomicBool = AtomicBool::new(false);
-
 /// ```ignore
 /// #[napi]
 /// fn test(ctx: CallContext, name: String) {
 ///   "hello" + name
 /// }
 /// ```
-#[cfg(not(feature = "noop"))]
 #[proc_macro_attribute]
-pub fn napi(attr: RawStream, input: RawStream) -> RawStream {
+pub fn napi(attr: TokenStream, input: TokenStream) -> TokenStream {
-  if BUILT_FLAG
+  match expand::expand(attr.into(), input.into()) {
-    .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
-    .is_ok()
-  {
-    // logic on first macro expansion
-    #[cfg(feature = "type-def")]
-    if let Ok(ref type_def_file) = env::var("TYPE_DEF_TMP_PATH") {
-      use napi_derive_backend::{NAPI_RS_CLI_VERSION, NAPI_RS_CLI_VERSION_WITH_SHARED_CRATES_FIX};
-      if let Err(_e) = if *NAPI_RS_CLI_VERSION >= *NAPI_RS_CLI_VERSION_WITH_SHARED_CRATES_FIX {
-        remove_existed_type_def(type_def_file)
-      } else {
-        fs::remove_file(type_def_file)
-      } {
-        #[cfg(debug_assertions)]
-        {
-          println!("Failed to manipulate type def file: {:?}", _e);
-        }
-      }
-    }
-    if let Ok(wasi_register_file) = env::var("WASI_REGISTER_TMP_PATH") {
-      if let Err(_e) = fs::remove_file(wasi_register_file) {
-        #[cfg(debug_assertions)]
-        {
-          println!("Failed to manipulate wasi register file: {:?}", _e);
-        }
-      }
-    }
-  }
-
-  match expand(attr.into(), input.into()) {
     Ok(tokens) => {
       if env::var("DEBUG_GENERATED_CODE").is_ok() {
         println!("{}", tokens);
       }
-      REGISTER_IDENTS.with(|idents| {
-        if let Ok(wasi_register_file) = env::var("WASI_REGISTER_TMP_PATH") {
-          let mut file =
-            fs::File::create(wasi_register_file).expect("Create wasi register file failed");
-          file
-            .write_all(format!("{:?}", idents.borrow()).as_bytes())
-            .expect("Write wasi register file failed");
-        }
-      });
       tokens.into()
     }
     Err(diagnostic) => {
@@ -114,150 +39,9 @@ pub fn napi(attr: RawStream, input: RawStream) -> RawStream {
   }
 }
 
-#[cfg(feature = "noop")]
-#[proc_macro_attribute]
-pub fn napi(attr: RawStream, input: RawStream) -> RawStream {
-  match expand(attr.into(), input.into()) {
-    Ok(tokens) => tokens.into(),
-    Err(diagnostic) => {
-      println!("`napi` macro expand failed.");
-
-      (quote! { #diagnostic }).into()
-    }
-  }
-}
-
-#[cfg(feature = "noop")]
-fn expand(_attr: TokenStream, input: TokenStream) -> BindgenResult<TokenStream> {
-  let mut item = syn::parse2::<syn::Item>(input.into())?;
-  let mut tokens = proc_macro2::TokenStream::new();
-
-  match item {
-    syn::Item::Struct(ref mut struct_) => struct_
-      .fields
-      .iter_mut()
-      .for_each(|field| find_and_remove_napi_attr(&mut field.attrs)),
-    _ => {}
-  }
-
-  item.to_tokens(&mut tokens);
-
-  Ok(tokens)
-}
-
-#[cfg(feature = "noop")]
-fn find_and_remove_napi_attr(attrs: &mut Vec<Attribute>) {
-  loop {
-    let napi_attr = attrs
-      .iter()
-      .enumerate()
-      .find(|&(_, m)| m.path.segments[0].ident == "napi");
-
-    let pos = match napi_attr {
-      Some((pos, _raw_attr)) => pos,
-      None => break,
-    };
-
-    attrs.remove(pos);
-  }
-}
-
-#[cfg(not(feature = "noop"))]
-fn expand(attr: TokenStream, input: TokenStream) -> BindgenResult<TokenStream> {
-  let mut item = syn::parse2::<syn::Item>(input)?;
-  let opts: BindgenAttrs = syn::parse2(attr)?;
-  let mut tokens = proc_macro2::TokenStream::new();
-  if let Item::Mod(mut js_mod) = item {
-    let js_name = opts.js_name().map_or_else(
-      || js_mod.ident.to_string(),
-      |(js_name, _)| js_name.to_owned(),
-    );
-    if let Some((_, mut items)) = js_mod.content.clone() {
-      for item in items.iter_mut() {
-        let mut empty_attrs = vec![];
-        if let Some(item_opts) = replace_napi_attr_in_mod(
-          js_name.clone(),
-          match item {
-            syn::Item::Fn(ref mut function) => &mut function.attrs,
-            syn::Item::Struct(ref mut struct_) => &mut struct_.attrs,
-            syn::Item::Enum(ref mut enum_) => &mut enum_.attrs,
-            syn::Item::Const(ref mut const_) => &mut const_.attrs,
-            syn::Item::Impl(ref mut impl_) => &mut impl_.attrs,
-            syn::Item::Mod(mod_) => {
-              let mod_in_mod = mod_
-                .attrs
-                .iter()
-                .enumerate()
-                .find(|(_, m)| m.path.segments[0].ident == "napi");
-              if mod_in_mod.is_some() {
-                bail_span!(
-                  mod_,
-                  "napi module cannot be nested under another napi module"
-                );
-              } else {
-                &mut empty_attrs
-              }
-            }
-            _ => &mut empty_attrs,
-          },
-        ) {
-          let napi = item.parse_napi(&mut tokens, item_opts)?;
-          napi.try_to_tokens(&mut tokens)?;
-          #[cfg(feature = "type-def")]
-          if let Ok(type_def_file) = env::var("TYPE_DEF_TMP_PATH") {
-            if let Err(e) = output_type_def(type_def_file, napi.to_type_def()) {
-              println!("Failed to write type def file: {:?}", e);
-            };
-          }
-        } else {
-          item.to_tokens(&mut tokens);
-        };
-      }
-      js_mod.content = None;
-    };
-    let js_mod_attrs: Vec<Attribute> = js_mod
-      .attrs
-      .clone()
-      .into_iter()
-      .filter(|attr| attr.path.segments[0].ident != "napi")
-      .collect();
-    let mod_name = js_mod.ident;
-    let visible = js_mod.vis;
-    let mod_tokens = quote! { #(#js_mod_attrs)* #visible mod #mod_name { #tokens } };
-    Ok(mod_tokens)
-  } else {
-    let napi = item.parse_napi(&mut tokens, opts)?;
-    napi.try_to_tokens(&mut tokens)?;
-
-    #[cfg(feature = "type-def")]
-    if let Ok(type_def_file) = env::var("TYPE_DEF_TMP_PATH") {
-      if let Err(e) = output_type_def(type_def_file, napi.to_type_def()) {
-        println!("Failed to write type def file: {:?}", e);
-      };
-    }
-    Ok(tokens)
-  }
-}
-
-#[cfg(all(feature = "type-def", not(feature = "noop")))]
-fn output_type_def(type_def_file: String, type_def: Option<TypeDef>) -> IOResult<()> {
-  if type_def.is_some() {
-    let file = fs::OpenOptions::new()
-      .append(true)
-      .create(true)
-      .open(type_def_file)?;
-
-    let mut writer = BufWriter::<fs::File>::new(file);
-    writer.write_all(type_def.unwrap().to_string().as_bytes())?;
-    writer.write_all("\n".as_bytes())
-  } else {
-    IOResult::Ok(())
-  }
-}
-
 #[cfg(feature = "compat-mode")]
 #[proc_macro_attribute]
-pub fn contextless_function(_attr: RawStream, input: RawStream) -> RawStream {
+pub fn contextless_function(_attr: TokenStream, input: TokenStream) -> TokenStream {
   let input = parse_macro_input!(input as ItemFn);
   let mut js_fn = compat_macro::JsFunction::new();
   js_fn.fold_item_fn(input);
@@ -287,12 +71,12 @@ pub fn contextless_function(_attr: RawStream, input: RawStream) -> RawStream {
     }
   };
   // Hand the output tokens back to the compiler
-  RawStream::from(expanded)
+  TokenStream::from(expanded)
 }
 
 #[cfg(feature = "compat-mode")]
 #[proc_macro_attribute]
-pub fn js_function(attr: RawStream, input: RawStream) -> RawStream {
+pub fn js_function(attr: TokenStream, input: TokenStream) -> TokenStream {
   let arg_len = parse_macro_input!(attr as compat_macro::ArgLength);
   let arg_len_span = arg_len.length;
   let input = parse_macro_input!(input as ItemFn);
@@ -345,12 +129,12 @@ pub fn js_function(attr: RawStream, input: RawStream) -> RawStream {
     }
   };
   // Hand the output tokens back to the compiler
-  RawStream::from(expanded)
+  TokenStream::from(expanded)
 }
 
 #[cfg(feature = "compat-mode")]
 #[proc_macro_attribute]
-pub fn module_exports(_attr: RawStream, input: RawStream) -> RawStream {
+pub fn module_exports(_attr: TokenStream, input: TokenStream) -> TokenStream {
   let input = parse_macro_input!(input as ItemFn);
   let mut js_fn = compat_macro::JsFunction::new();
   js_fn.fold_item_fn(input);
@@ -390,85 +174,3 @@ pub fn module_exports(_attr: RawStream, input: RawStream) -> RawStream {
   })
   .into()
 }
-
-#[cfg(not(feature = "noop"))]
-fn replace_napi_attr_in_mod(
-  js_namespace: String,
-  attrs: &mut Vec<syn::Attribute>,
-) -> Option<BindgenAttrs> {
-  let napi_attr = attrs.clone();
-  let napi_attr = napi_attr
-    .iter()
-    .enumerate()
-    .find(|(_, m)| m.path.segments[0].ident == "napi");
-  if let Some((index, napi_attr)) = napi_attr {
-    let attr_token_stream = napi_attr.tokens.clone();
-    let raw_attr_stream = attr_token_stream.to_string();
-    let raw_attr_stream = if !raw_attr_stream.is_empty() {
-      raw_attr_stream
-        .strip_prefix('(')
-        .unwrap()
-        .strip_suffix(')')
-        .unwrap()
-        .to_string()
-    } else {
-      raw_attr_stream
-    };
-    let raw_attr_token_stream = syn::parse_str::<TokenStream>(raw_attr_stream.as_str()).unwrap();
-
-    let new_attr: syn::Attribute = if !raw_attr_stream.is_empty() {
-      syn::parse_quote!(
-        #[napi(#raw_attr_token_stream, namespace = #js_namespace)]
-      )
-    } else {
-      syn::parse_quote!(
-        #[napi(namespace = #js_namespace)]
-      )
-    };
-    let struct_opts: BindgenAttrs =
-      if let Some(TokenTree::Group(g)) = new_attr.tokens.into_iter().next() {
-        syn::parse2(g.stream()).ok()?
-      } else {
-        syn::parse2(quote! {}).ok()?
-      };
-    attrs.remove(index);
-    Some(struct_opts)
-  } else {
-    None
-  }
-}
-
-#[cfg(all(feature = "type-def", not(feature = "noop")))]
-fn remove_existed_type_def(type_def_file: &str) -> std::io::Result<()> {
-  use std::io::{BufRead, BufReader};
-
-  let pkg_name = std::env::var("CARGO_PKG_NAME").expect("CARGO_PKG_NAME is not set");
-  if let Ok(content) = std::fs::File::open(type_def_file) {
-    let reader = BufReader::new(content);
-    let cleaned_content = reader
-      .lines()
-      .filter_map(|line| {
-        if let Ok(line) = line {
-          if let Some((package_name, _)) = line.split_once(':') {
-            if pkg_name == package_name {
-              return None;
-            }
-          }
-          Some(line)
-        } else {
-          None
-        }
-      })
-      .collect::<Vec<String>>()
-      .join("\n");
-    let mut content = std::fs::OpenOptions::new()
-      .read(true)
-      .write(true)
-      .truncate(true)
-      .open(type_def_file)?;
-
-    content.write_all(cleaned_content.as_bytes())?;
-    content.write_all(b"\n")?;
-  }
-  Ok(())
-}