From b9c45646d1a695c96c6f6c22587e42216f781774 Mon Sep 17 00:00:00 2001
From: overlookmotel <557937+overlookmotel@users.noreply.github.com>
Date: Wed, 18 Sep 2024 11:08:27 +0000
Subject: [PATCH] refactor(transformer): transformer example output semantic +
 transformer errors (#5852)

---
 .../oxc_transformer/examples/transformer.rs   | 29 +++++++++++++++----
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/crates/oxc_transformer/examples/transformer.rs b/crates/oxc_transformer/examples/transformer.rs
index faacd9a734226..175205ce7327e 100644
--- a/crates/oxc_transformer/examples/transformer.rs
+++ b/crates/oxc_transformer/examples/transformer.rs
@@ -38,13 +38,22 @@ fn main() {
     println!("{source_text}\n");
 
     let mut program = ret.program;
+    let trivias = ret.trivias;
 
-    let (symbols, scopes) = SemanticBuilder::new(&source_text)
+    let ret = SemanticBuilder::new(&source_text)
         // Estimate transformer will triple scopes, symbols, references
         .with_excess_capacity(2.0)
-        .build(&program)
-        .semantic
-        .into_symbol_table_and_scope_tree();
+        .build(&program);
+
+    if !ret.errors.is_empty() {
+        println!("Semantic Errors:");
+        for error in ret.errors {
+            let error = error.with_source_code(source_text.clone());
+            println!("{error:?}");
+        }
+    }
+
+    let (symbols, scopes) = ret.semantic.into_symbol_table_and_scope_tree();
 
     let transform_options = if let Some(targets) = &targets {
         TransformOptions::from_preset_env(&EnvOptions {
@@ -56,16 +65,24 @@ fn main() {
         TransformOptions::enable_all()
     };
 
-    let _ = Transformer::new(
+    let ret = Transformer::new(
         &allocator,
         path,
         source_type,
         &source_text,
-        ret.trivias.clone(),
+        trivias.clone(),
         transform_options,
     )
     .build_with_symbols_and_scopes(symbols, scopes, &mut program);
 
+    if !ret.errors.is_empty() {
+        println!("Transformer Errors:");
+        for error in ret.errors {
+            let error = error.with_source_code(source_text.clone());
+            println!("{error:?}");
+        }
+    }
+
     let printed = CodeGenerator::new().build(&program).source_text;
     println!("Transformed:\n");
     println!("{printed}");