From b8f913024d2f0503492a39b2ea37dcf45ba20d18 Mon Sep 17 00:00:00 2001
From: OJ Kwon <kwon.ohjoong@gmail.com>
Date: Mon, 11 Apr 2022 10:40:34 -0700
Subject: [PATCH] feat(trace): add trace for emotion transform

---
 packages/next-swc/Cargo.lock                | 52 +++++++++++++++++++++
 packages/next-swc/crates/emotion/src/lib.rs |  2 +
 2 files changed, 54 insertions(+)

diff --git a/packages/next-swc/Cargo.lock b/packages/next-swc/Cargo.lock
index 2e86100a737a..7e8b5f905381 100644
--- a/packages/next-swc/Cargo.lock
+++ b/packages/next-swc/Cargo.lock
@@ -717,6 +717,12 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "json"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "078e285eafdfb6c4b434e0d31e8cfcb5115b651496faca5749b88fafd4f23bfd"
+
 [[package]]
 name = "json_comments"
 version = "0.2.1"
@@ -1043,6 +1049,10 @@ dependencies = [
  "swc_ecma_loader",
  "swc_ecmascript",
  "swc_node_base",
+ "tracing",
+ "tracing-chrome",
+ "tracing-futures",
+ "tracing-subscriber",
 ]
 
 [[package]]
@@ -1303,6 +1313,26 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "pin-project"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58ad3879ad3baf4e44784bc6a718a8698867bb991f8ce24d1bcbe2cfb4c3a75e"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "744b6f092ba29c3650faf274db506afd39944f48420f6c86b17cfe0ee1cb36bb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.8"
@@ -2555,7 +2585,9 @@ dependencies = [
  "swc_common",
  "swc_ecma_transforms_testing",
  "swc_ecmascript",
+ "swc_trace_macro",
  "testing",
+ "tracing",
 ]
 
 [[package]]
@@ -2848,6 +2880,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tracing-chrome"
+version = "0.6.0"
+source = "git+https://github.com/kwonoj/tracing-chrome?rev=0dd9d6c9e0f74f43993b58560f4ac0103e058df8#0dd9d6c9e0f74f43993b58560f4ac0103e058df8"
+dependencies = [
+ "json",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "tracing-core"
 version = "0.1.24"
@@ -2858,6 +2900,16 @@ dependencies = [
  "valuable",
 ]
 
+[[package]]
+name = "tracing-futures"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
+dependencies = [
+ "pin-project",
+ "tracing",
+]
+
 [[package]]
 name = "tracing-log"
 version = "0.1.2"
diff --git a/packages/next-swc/crates/emotion/src/lib.rs b/packages/next-swc/crates/emotion/src/lib.rs
index ff89be748a3e..795070aa3a51 100644
--- a/packages/next-swc/crates/emotion/src/lib.rs
+++ b/packages/next-swc/crates/emotion/src/lib.rs
@@ -25,6 +25,7 @@ use swc_ecmascript::{
     codegen::util::SourceMapperExt,
     visit::{Fold, FoldWith},
 };
+use swc_trace_macro::swc_trace;
 
 mod hash;
 
@@ -164,6 +165,7 @@ pub struct EmotionTransformer<C: Comments> {
     in_jsx_element: bool,
 }
 
+#[swc_trace]
 impl<C: Comments> EmotionTransformer<C> {
     pub fn new(options: EmotionOptions, path: &Path, cm: Arc<SourceMap>, comments: C) -> Self {
         EmotionTransformer {