feat(oxc_wasm): add controlFlowDotString to oxc_wasm (#5571)

oxc-project · Sep 7, 2024 · 08d2b7d · 08d2b7d
1 parent 26d9235
commit 08d2b7d
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/crates/oxc_wasm/src/lib.rs b/crates/oxc_wasm/src/lib.rs
@@ -16,7 +16,7 @@ use oxc::{
     diagnostics::Error,
     minifier::{CompressOptions, Minifier, MinifierOptions},
     parser::{ParseOptions, Parser, ParserReturn},
-    semantic::{ScopeFlags, ScopeId, ScopeTree, SemanticBuilder, SymbolTable},
+    semantic::{dot::DebugDot, ScopeFlags, ScopeId, ScopeTree, SemanticBuilder, SymbolTable},
     span::SourceType,
     transformer::{EnvOptions, Targets, TransformOptions, Transformer},
 };
@@ -40,6 +40,9 @@ pub struct Oxc {
     #[wasm_bindgen(readonly, skip_typescript)]
     pub ir: String,
 
+    #[wasm_bindgen(readonly, skip_typescript, js_name = "controlFlowGraph")]
+    pub control_flow_graph: String,
+
     #[wasm_bindgen(readonly, skip_typescript)]
     #[tsify(type = "SymbolTable")]
     pub symbols: JsValue,
@@ -192,9 +195,13 @@ impl Oxc {
         let semantic_ret = SemanticBuilder::new(source_text)
             .with_trivias(trivias.clone())
             .with_check_syntax_error(true)
+            .with_cfg(true)
             .build_module_record(&path, &program)
             .build(&program);
 
+        self.control_flow_graph = semantic_ret.semantic.cfg().map_or_else(String::default, |cfg| {
+            cfg.debug_dot(semantic_ret.semantic.nodes().into())
+        });
         if run_options.syntax.unwrap_or_default() {
             self.save_diagnostics(
                 errors.into_iter().chain(semantic_ret.errors).map(Error::from).collect::<Vec<_>>(),