feat(rome_js_formatter): TS Intersection & Union types rome#3162

crates/rome_js_formatter/src/ts/lists/union_type_variant_list.rs

@@ -35,12 +35,23 @@ use crate::ts::types::unknown_type::FormatTsUnknownType;
 use crate::ts::types::void_type::FormatTsVoidType;
 use crate::utils::should_hug_type;
 use crate::JsCommentStyle;
-use rome_formatter::{comments::CommentStyle, write};
+use rome_formatter::{comments::CommentStyle, write, FormatRuleWithOptions};
 use rome_js_syntax::{JsLanguage, TsType, TsUnionType, TsUnionTypeVariantList};
 use rome_rowan::{AstSeparatedElement, AstSeparatedList};
 
 #[derive(Debug, Clone, Default)]
-pub struct FormatTsUnionTypeVariantList;
+pub struct FormatTsUnionTypeVariantList {
+    should_hug: bool,
+}
+
+impl FormatRuleWithOptions<TsUnionTypeVariantList> for FormatTsUnionTypeVariantList {
+    type Options = bool;
+
+    fn with_options(mut self, options: Self::Options) -> Self {
+        self.should_hug = options;
+        self
+    }
+}
 
 impl FormatRule<TsUnionTypeVariantList> for FormatTsUnionTypeVariantList {
     type Context = JsFormatContext;

crates/rome_js_formatter/src/ts/types/union_type.rs

@@ -25,12 +25,13 @@ impl FormatNodeRule<TsUnionType> for FormatTsUnionType {
         // } | null | void
         // ```
         // should be inlined and not be printed in the multi-line variant
-        if should_hug_type(&node.clone().into()) {
+        let should_hug = should_hug_type(&node.clone().into());
+        if should_hug {
             return write!(
                 f,
                 [
                     FormatTypeMemberSeparator::new(leading_separator_token.as_ref()),
-                    types.format()
+                    types.format().with_options(should_hug)
                 ]
             );
         }