From b94f6bac64512da4a588a1cf28bcb63d94e650b8 Mon Sep 17 00:00:00 2001
From: Boshen <boshenc@gmail.com>
Date: Wed, 25 Dec 2024 20:39:11 +0800
Subject: [PATCH] feat(tasks/minsize): define `process.env.NODE_ENV` for react

---
 Cargo.lock                 | 2 ++
 tasks/minsize/Cargo.toml   | 2 ++
 tasks/minsize/minsize.snap | 2 +-
 tasks/minsize/src/lib.rs   | 9 +++++++++
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/Cargo.lock b/Cargo.lock
index d1d2be451c7269..f3b71332323a59 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1793,8 +1793,10 @@ dependencies = [
  "oxc_codegen",
  "oxc_minifier",
  "oxc_parser",
+ "oxc_semantic",
  "oxc_span",
  "oxc_tasks_common",
+ "oxc_transformer",
  "rustc-hash",
 ]
 
diff --git a/tasks/minsize/Cargo.toml b/tasks/minsize/Cargo.toml
index bfc2bd01ed9c01..f3e25e0ec7db7f 100644
--- a/tasks/minsize/Cargo.toml
+++ b/tasks/minsize/Cargo.toml
@@ -23,6 +23,8 @@ oxc_codegen = { workspace = true }
 oxc_minifier = { workspace = true }
 oxc_parser = { workspace = true }
 oxc_span = { workspace = true }
+oxc_transformer = { workspace = true }
+oxc_semantic = { workspace = true }
 
 flate2 = { workspace = true }
 oxc_tasks_common = { workspace = true }
diff --git a/tasks/minsize/minsize.snap b/tasks/minsize/minsize.snap
index 76c69877c44b5e..bc9fede0fae175 100644
--- a/tasks/minsize/minsize.snap
+++ b/tasks/minsize/minsize.snap
@@ -1,7 +1,7 @@
            | Oxc        | ESBuild    | Oxc        | ESBuild    |
 Original   | minified   | minified   | gzip       | gzip       | Fixture
 -------------------------------------------------------------------------------------
-72.14 kB   | 24.04 kB   | 23.70 kB   | 8.61 kB    | 8.54 kB    | react.development.js
+72.14 kB   | 24.00 kB   | 23.70 kB   | 8.58 kB    | 8.54 kB    | react.development.js
 
 173.90 kB  | 61.55 kB   | 59.82 kB   | 19.54 kB   | 19.33 kB   | moment.js 
 
diff --git a/tasks/minsize/src/lib.rs b/tasks/minsize/src/lib.rs
index f6f7d8eed3def0..e3655b6977010a 100644
--- a/tasks/minsize/src/lib.rs
+++ b/tasks/minsize/src/lib.rs
@@ -11,8 +11,10 @@ use oxc_allocator::Allocator;
 use oxc_codegen::{CodeGenerator, CodegenOptions};
 use oxc_minifier::{CompressOptions, MangleOptions, Minifier, MinifierOptions};
 use oxc_parser::Parser;
+use oxc_semantic::SemanticBuilder;
 use oxc_span::SourceType;
 use oxc_tasks_common::{project_root, TestFile, TestFiles};
+use oxc_transformer::{ReplaceGlobalDefines, ReplaceGlobalDefinesConfig};
 use rustc_hash::FxHashMap;
 
 // #[test]
@@ -137,6 +139,13 @@ fn minify(source_text: &str, source_type: SourceType, options: MinifierOptions)
     let allocator = Allocator::default();
     let ret = Parser::new(&allocator, source_text, source_type).parse();
     let mut program = ret.program;
+    let (symbols, scopes) =
+        SemanticBuilder::new().build(&program).semantic.into_symbol_table_and_scope_tree();
+    let _ = ReplaceGlobalDefines::new(
+        &allocator,
+        ReplaceGlobalDefinesConfig::new(&[("process.env.NODE_ENV", "'development'")]).unwrap(),
+    )
+    .build(symbols, scopes, &mut program);
     let ret = Minifier::new(options).build(&allocator, &mut program);
     CodeGenerator::new()
         .with_options(CodegenOptions { minify: true, ..CodegenOptions::default() })