From 4cb7f05cfb2673a8741af62f34ae6870e21e2755 Mon Sep 17 00:00:00 2001
From: magic-akari <akari.ccino@gmail.com>
Date: Sat, 7 Sep 2024 03:26:52 +0800
Subject: [PATCH] chore: clean code

---
 Cargo.lock                       | 23 -----------------------
 crates/swc_ast_viewer/Cargo.toml |  3 ---
 crates/swc_ast_viewer/src/lib.rs | 17 +++++++++--------
 3 files changed, 9 insertions(+), 34 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 3471b2f..397f9a6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -320,15 +320,6 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
-[[package]]
-name = "js-sys"
-version = "0.3.70"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1868808506b929d7b0cfa8f75951347aa71bb21144b7791bae35d9bccfcfe37a"
-dependencies = [
- "wasm-bindgen",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.158"
@@ -694,17 +685,6 @@ dependencies = [
  "serde_derive",
 ]
 
-[[package]]
-name = "serde-wasm-bindgen"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8302e169f0eddcc139c70f139d19d6467353af16f9fce27e8c30158036a1e16b"
-dependencies = [
- "js-sys",
- "serde",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.210"
@@ -824,9 +804,6 @@ name = "swc_ast_viewer"
 version = "0.0.0"
 dependencies = [
  "anyhow",
- "serde",
- "serde-wasm-bindgen",
- "serde_json",
  "swc_core",
  "swc_error_reporters",
  "wasm-bindgen",
diff --git a/crates/swc_ast_viewer/Cargo.toml b/crates/swc_ast_viewer/Cargo.toml
index e4dbf2b..7c0e152 100644
--- a/crates/swc_ast_viewer/Cargo.toml
+++ b/crates/swc_ast_viewer/Cargo.toml
@@ -14,9 +14,6 @@ version.workspace     = true
 
 [dependencies]
 anyhow             = "1.0.86"
-serde              = "1.0.210"
-serde-wasm-bindgen = "0.6.5"
-serde_json         = "1.0.128"
 wasm-bindgen       = "0.2.93"
 
     [dependencies.swc_core]
diff --git a/crates/swc_ast_viewer/src/lib.rs b/crates/swc_ast_viewer/src/lib.rs
index 7bceb44..22c3e86 100644
--- a/crates/swc_ast_viewer/src/lib.rs
+++ b/crates/swc_ast_viewer/src/lib.rs
@@ -1,5 +1,4 @@
 use anyhow::Result;
-use serde::Deserialize;
 use std::{str::FromStr, sync::Arc};
 use swc_core::{
     self,
@@ -44,7 +43,10 @@ fn javascript(fm: &SourceFile, errors: &mut Vec<SWCError>, jsx: bool) -> PResult
     )
 }
 
-#[derive(Default, PartialEq, Deserialize)]
+#[wasm_bindgen(typescript_custom_section)]
+const TS_FileType: &'static str = r#"type FileType = "js" | "jsx" | "ts" | "tsx";"#;
+
+#[derive(Default, PartialEq)]
 enum FileType {
     JavaScript,
     JavaScriptReact,
@@ -75,17 +77,16 @@ impl FromStr for FileType {
 
 #[wasm_bindgen]
 extern "C" {
-    #[wasm_bindgen(typescript_type = "Config")]
+    #[wasm_bindgen(typescript_type = "FileType")]
     pub type File;
 }
 
 #[wasm_bindgen]
 pub fn ast(input: &str, file_type: Option<File>) -> Result<String, String> {
-    let file_type: FileType = if let Some(file_type) = file_type {
-        serde_wasm_bindgen::from_value(file_type.clone()).map_err(|op| op.to_string())?
-    } else {
-        Default::default()
-    };
+    let file_type: FileType = file_type
+        .and_then(|file_type| file_type.as_string())
+        .and_then(|s| s.parse().ok())
+        .unwrap_or_default();
 
     let cm: Arc<SourceMap> = Default::default();
     let fm = cm.new_source_file(Arc::new(FileName::Anon), input.into());