fix(core): reset builder extension after compiled each template

Author: oscar60310

packages/core/src/lib/template-engine/built-in-extensions/query-builder/reqTagBuilder.ts

@@ -100,6 +100,7 @@ export class ReqTagBuilder extends TagBuilder {
     if (!this.hasMainBuilder) {
       this.wrapOutputWithBuilder();
     }
+    this.reset();
   }
 
   public override getMetadata() {
@@ -147,4 +148,10 @@ export class ReqTagBuilder extends TagBuilder {
     const builder = this.createAsyncExtensionNode(args, originalChildren);
     this.root.children = [builder];
   }
+
+  private reset() {
+    this.variableList.clear();
+    this.root = undefined;
+    this.hasMainBuilder = false;
+  }
 }

packages/core/test/template-engine/built-in-extensions/query-builder/builder.spec.ts

@@ -127,3 +127,21 @@ it('Extension should throw an error if there are multiple builders using same na
     `We can't declare multiple builder with same name. Duplicated name: user (declared at 1:7 and 2:7)`
   );
 });
+
+it('Extension should reset after compiled each template', async () => {
+  // Arrange
+  const { compiler } = await createTestCompiler();
+  compiler.compile(
+    `
+  {% req user main %} select * from users; {% endreq %}
+  `
+  );
+  // Act, Arrange
+  await expect(
+    compiler.compile(
+      `
+    {% req user main %} select * from users; {% endreq %}
+    `
+    )
+  ).resolves.not.toThrow();
+});