refactor: reuse parens on string interpol

Author: kamadorueda

src/alejandra_engine/src/builder.rs

@@ -188,7 +188,7 @@ fn format(
                 rnix::SyntaxKind::NODE_STRING => crate::rules::string::rule,
                 // ${a}
                 rnix::SyntaxKind::NODE_STRING_INTERPOL => {
-                    crate::rules::string_interpol::rule
+                    crate::rules::paren::rule
                 }
                 // !a
                 rnix::SyntaxKind::NODE_UNARY_OP => crate::rules::default,

src/alejandra_engine/src/rules/mod.rs

@@ -16,7 +16,6 @@ pub(crate) mod root;
 pub(crate) mod scoped;
 pub(crate) mod select;
 pub(crate) mod string;
-pub(crate) mod string_interpol;
 
 pub(crate) fn default(
     _: &crate::builder::BuildCtx,

src/alejandra_engine/src/rules/string_interpol.rs

@@ -22,8 +22,7 @@
        */
     ))
   ''
-    otherModules=${
-      pkgs.writeText "other-modules.json"
+    otherModules=${pkgs.writeText "other-modules.json"
       (l.toJSON
         (l.mapAttrs
           (pname: subOutputs: let
@@ -32,8 +31,7 @@
               installMethod = "copy";
             });
           in "${pkg}/lib/node_modules/${pname}/node_modules")
-          outputs.subPackages))
-    }
+          outputs.subPackages))}
   ''
   {
     name1 =

src/alejandra_engine/tests/cases/apply/out

@@ -84,12 +84,8 @@
     </plist>''
 
   ''
-    --${
-      "test"
-    }
+    --${"test"}
   ''
 
-  "--${
-    "test"
-  }"
+  "--${"test"}"
 ]