Triple capacity for transformer

oxc-project · Sep 13, 2024 · 2369c3e · 2369c3e
1 parent c810861
commit 2369c3e
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Showing 5 changed files with 10 additions and 10 deletions.
diff --git a/crates/oxc/src/compiler.rs b/crates/oxc/src/compiler.rs
@@ -189,8 +189,8 @@ pub trait CompilerInterface {
         let mut builder = SemanticBuilder::new(source_text);
 
         if self.transform_options().is_some() {
-            // Estimate transformer will double scopes, symbols, references
-            builder = builder.with_excess_capacity(1.0);
+            // Estimate transformer will triple scopes, symbols, references
+            builder = builder.with_excess_capacity(2.0);
         }
 
         builder

diff --git a/crates/oxc_transformer/examples/transformer.rs b/crates/oxc_transformer/examples/transformer.rs
@@ -40,8 +40,8 @@ fn main() {
     let mut program = ret.program;
 
     let (symbols, scopes) = SemanticBuilder::new(&source_text)
-        // Estimate transformer will double scopes, symbols, references
-        .with_excess_capacity(1.0)
+        // Estimate transformer will triple scopes, symbols, references
+        .with_excess_capacity(2.0)
         .build(&program)
         .semantic
         .into_symbol_table_and_scope_tree();

diff --git a/crates/oxc_wasm/src/lib.rs b/crates/oxc_wasm/src/lib.rs
@@ -194,8 +194,8 @@ impl Oxc {
 
         let mut semantic_builder = SemanticBuilder::new(source_text);
         if run_options.transform.unwrap_or_default() {
-            // Estimate transformer will double scopes, symbols, references
-            semantic_builder = semantic_builder.with_excess_capacity(1.0);
+            // Estimate transformer will triple scopes, symbols, references
+            semantic_builder = semantic_builder.with_excess_capacity(2.0);
         }
         let semantic_ret = semantic_builder
             .with_trivias(trivias.clone())

diff --git a/napi/transform/src/transformer.rs b/napi/transform/src/transformer.rs
@@ -100,8 +100,8 @@ pub fn transform(
 
 fn transpile(ctx: &TransformContext<'_>) -> CodegenReturn {
     let (symbols, scopes) = SemanticBuilder::new(ctx.source_text())
-        // Estimate transformer will double scopes, symbols, references
-        .with_excess_capacity(1.0)
+        // Estimate transformer will triple scopes, symbols, references
+        .with_excess_capacity(2.0)
         .build(&ctx.program())
         .semantic
         .into_symbol_table_and_scope_tree();

diff --git a/tasks/benchmark/benches/transformer.rs b/tasks/benchmark/benches/transformer.rs
@@ -30,8 +30,8 @@ fn bench_transformer(criterion: &mut Criterion) {
                     Parser::new(&allocator, source_text, source_type).parse();
                 let program = allocator.alloc(program);
                 let (symbols, scopes) = SemanticBuilder::new(source_text)
-                    // Estimate transformer will double scopes, symbols, references
-                    .with_excess_capacity(1.0)
+                    // Estimate transformer will triple scopes, symbols, references
+                    .with_excess_capacity(2.0)
                     .build(program)
                     .semantic
                     .into_symbol_table_and_scope_tree();