fix: do not blank line after function type's parameters sometimes (#383)

Author: dsherret

src/generation/generate.rs

@@ -6847,7 +6847,7 @@ fn gen_close_paren_with_type<'a>(opts: GenCloseParenWithTypeOptions<'a>, context
   items.push_condition(if_true(
     "newLineIfHeaderHangingAndTypeNodeMultipleLines",
     Rc::new(move |context| {
-      if !has_type_node {
+      if !has_type_node || context.writer_info.is_start_of_line() {
         return Some(false);
       }
 

tests/specs/issues/issue0382.txt

@@ -0,0 +1,22 @@
+~~ deno: true ~~
+== should not add trailing blank line after parameters in function type ==
+// this is weird code, but it's set to maintain type argument newlines
+type TestingTestTesttttttt<T extends TestingTestingtestingTestingggg> =
+    T extends Testing ? (
+      ...args: Test<T["parameters"]>
+    ) => Other<
+      Test,
+      Test
+    >
+      : never;
+
+[expect]
+// this is weird code, but it's set to maintain type argument newlines
+type TestingTestTesttttttt<T extends TestingTestingtestingTestingggg> =
+  T extends Testing ? (
+      ...args: Test<T["parameters"]>
+    ) => Other<
+      Test,
+      Test
+    >
+    : never;