add RuleNode.unparse() to the TypeScript API (#731)

used in #732
NomicFoundation · Jan 10, 2024 · 3deaea2 · 3deaea2
1 parent 0727cf8
commit 3deaea2
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diff --git a/.changeset/silver-buttons-relax.md b/.changeset/silver-buttons-relax.md
@@ -0,0 +1,5 @@
+---
+"@nomicfoundation/slang": patch
+---
+
+add `RuleNode.unparse()` to the TypeScript API
diff --git a/crates/codegen/parser/runtime/src/napi/napi_cst.rs b/crates/codegen/parser/runtime/src/napi/napi_cst.rs
@@ -65,6 +65,11 @@ impl RuleNode {
  .cursor_with_offset((&text_offset).into())
  .into()
  }
+
+ #[napi(catch_unwind)]
+ pub fn unparse(&self) -> String {
+ self.0.clone().unparse()
+ }
 }
 
 #[napi(namespace = "cst")]

diff --git a/crates/solidity/outputs/cargo/crate/src/generated/napi/napi_cst.rs b/crates/solidity/outputs/cargo/crate/src/generated/napi/napi_cst.rs
diff --git a/crates/solidity/outputs/npm/crate/src/generated/napi/napi_cst.rs b/crates/solidity/outputs/npm/crate/src/generated/napi/napi_cst.rs
diff --git a/crates/solidity/outputs/npm/package/src/generated/index.d.ts b/crates/solidity/outputs/npm/package/src/generated/index.d.ts
diff --git a/crates/solidity/outputs/npm/tests/src/tests/cst-output.ts b/crates/solidity/outputs/npm/tests/src/tests/cst-output.ts
@@ -64,3 +64,13 @@ test("calculate unicode characters text length", () => {
  utf8: 24,
  });
 });
+
+test("can unparse rule nodes", () => {
+ const source = `contract Foo {}`;
+ const language = new Language("0.8.1");
+
+ const parseTree = language.parse(RuleKind.SourceUnit, source).tree();
+ expectRule(parseTree, RuleKind.SourceUnit);
+
+ expect(parseTree.unparse()).toEqual(source);
+});