updated docs and tests

Author: Bertie690

crates/biome_js_analyze/src/lint/complexity/no_useless_string_concat.rs

@@ -98,9 +98,9 @@ impl Rule for NoUselessStringConcat {
         let parent_binary_expression = get_parent_binary_expression(node);
 
         // Prevent duplicated error reportings when the parent is a useless concatenation too, i.e.: "a" + "b" + "c"
-        if parent_binary_expression.is_some()
-            && get_concatenation_range(&parent_binary_expression).is_some()
-        {
+        if parent_binary_expression.is_some_and(|parent_expression| {
+            get_concatenation_range(&parent_expression).is_some()
+        }) {
             return None;
         }
 

crates/biome_js_analyze/tests/specs/complexity/noUselessStringConcat/valid.js.snap

@@ -14,12 +14,12 @@ const a = foo + 'a' + 'b'
 const a = foo + `a` + `b`
 const a = (number + 1) + 'px'
 const a = (1 + +2) + `b`
-const stylisticConcat = 'foo' +
+const stylisticConcat = 'foo' + // formatting
                         'bar'
 const stylisticConcat = `foo` +
                         'bar' +
                         `baz`
-const stylisticConcatLeading = 'foo'
+const stylisticConcatLeading = 'foo' // formatting
                         + 'bar'
 const stylisticConcatLeading = `foo`
                         + 'bar'