fix(es/codegen): Emit type_params for TsConstructSignatureDecl (#…

…7080)

**Related issue:**

 - Closes #7079.

crates/swc_ecma_codegen/src/typescript.rs

@@ -100,6 +100,10 @@ where
         self.emit_leading_comments_of_span(n.span(), false)?;
 
         keyword!("new");
+        if let Some(type_params) = &n.type_params {
+            space!();
+            emit!(type_params);
+        }
 
         punct!("(");
         self.emit_list(n.span, Some(&n.params), ListFormat::Parameters)?;
@@ -122,8 +126,8 @@ where
         }
 
         keyword!("new");
-        space!();
         if let Some(type_params) = &n.type_params {
+            space!();
             emit!(type_params);
         }
 

crates/swc_ecma_codegen/tests/fixture/issues/7079/input.ts

@@ -0,0 +1,3 @@
+interface Foo {
+  new <T>(value: T): Obj<T>;
+}

crates/swc_ecma_codegen/tests/fixture/issues/7079/output.ts

@@ -0,0 +1,3 @@
+interface Foo {
+    new <T>(value: T): Obj<T>;
+}

crates/swc_ecma_transforms_base/tests/ts-resolver/stc/1/output.ts

@@ -4,7 +4,7 @@ interface Mixin1__1 {
 class AbstractBase__1 {
     abstractBaseMethod(): void;
 }
-function Mixin2__1<TBase__2 extends abstract new (...args: any[]) => any>(baseClass__2: TBase__2) {
+function Mixin2__1<TBase__2 extends abstract new(...args: any[]) => any>(baseClass__2: TBase__2) {
     class MixinClass__2 extends baseClass__2 implements Mixin1__1 {
         mixinMethod(): void {}
         static staticMixinMethod(): void {}