fix(lint): extend matcher for GritCodeSnippet to cover edge case

.changeset/ripe-rabbits-build.md

@@ -0,0 +1,5 @@
+---
+"@biomejs/biome": patch
+---
+
+Fixed [#7601](https://github.com/biomejs/biome/issues/7601): Properly match Grit plugin's code snippet with only one child.

crates/biome_grit_patterns/src/grit_code_snippet.rs

@@ -1,13 +1,14 @@
 use crate::grit_context::{GritExecContext, GritQueryContext};
 use crate::grit_resolved_pattern::GritResolvedPattern;
 use crate::grit_target_node::GritTargetSyntaxKind;
+use biome_js_syntax::JsSyntaxKind;
 use grit_pattern_matcher::binding::Binding;
 use grit_pattern_matcher::context::ExecContext;
 use grit_pattern_matcher::pattern::{
     CodeSnippet, DynamicPattern, Matcher, Pattern, PatternName, ResolvedPattern, State,
 };
-use grit_util::AnalysisLogs;
 use grit_util::error::GritResult;
+use grit_util::{AnalysisLogs, AstNode};
 
 #[derive(Clone, Debug)]
 pub struct GritCodeSnippet {
@@ -42,11 +43,28 @@ impl Matcher<GritQueryContext> for GritCodeSnippet {
             return Ok(false);
         };
 
-        if let Some((_, pattern)) = self.patterns.iter().find(|(kind, _)| *kind == node.kind()) {
-            pattern.execute(resolved, state, context, logs)
-        } else {
-            Ok(false)
+        // First, try to match with the exact kind (fast path)
+        if let Some((_, pattern)) = self.patterns.iter().find(|(kind, _)| *kind == node.kind())
+            && pattern.execute(resolved, state, context, logs)?
+        {
+            return Ok(true);
         }
+
+        // If node has a single child, try matching against the child
+        // This handles wrapper nodes like JS_IDENTIFIER_EXPRESSION wrapping JS_REFERENCE_IDENTIFIER
+        if node.kind() == GritTargetSyntaxKind::JsSyntaxKind(JsSyntaxKind::JS_IDENTIFIER_EXPRESSION)
+            && let Some(child) = node.first_child()
+            && child.next_sibling().is_none()
+        {
+            let child_binding = GritResolvedPattern::from_node_binding(child);
+            for (_, pattern) in &self.patterns {
+                if pattern.execute(&child_binding, state, context, logs)? {
+                    return Ok(true);
+                }
+            }
+        }
+
+        Ok(false)
     }
 }
 

crates/biome_grit_patterns/src/pattern_compiler/snippet_compiler.rs

@@ -494,6 +494,25 @@ mod tests {
     use grit_util::Parser;
     use regex::Regex;
 
+    #[test]
+    fn test_snippet_node_from_tree() {
+        let snippet: SnippetTree<GritTargetTree> =
+            GritJsParser.parse_snippet("", "buildConfig", "");
+        let node = node_from_tree(&snippet).expect("no node found");
+        let formatted = format!("{node:#?}");
+        insta::assert_snapshot!(&formatted, @r#"
+        GritTargetNode {
+            node: JsLanguage(
+                Node(
+                    0: JS_REFERENCE_IDENTIFIER@0..11
+                      0: IDENT@0..11 "buildConfig" [] []
+                    ,
+                ),
+            ),
+        }
+        "#);
+    }
+
     #[test]
     fn test_node_from_tree() {
         let snippet = GritJsParser.parse_snippet("", "console.log('hello')", "");

crates/biome_grit_patterns/tests/specs/ts/matchBacktickSnippet.grit

@@ -0,0 +1,3 @@
+`$fn($args)` where {
+    $fn <: `buildConfig`
+}

crates/biome_grit_patterns/tests/specs/ts/matchBacktickSnippet.snap

@@ -0,0 +1,12 @@
+---
+source: crates/biome_grit_patterns/tests/spec_tests.rs
+expression: matchBacktickSnippet
+---
+SnapshotResult {
+    messages: [],
+    matched_ranges: [
+        "1:1-1:28",
+    ],
+    rewritten_files: [],
+    created_files: [],
+}

crates/biome_grit_patterns/tests/specs/ts/matchBacktickSnippet.ts

@@ -0,0 +1 @@
+buildConfig({ foo: "bar" });

crates/biome_grit_patterns/tests/specs/ts/matchStringLiteral.grit

@@ -0,0 +1,3 @@
+`$fn($args)` where {
+    $fn <: "buildConfig"
+}

crates/biome_grit_patterns/tests/specs/ts/matchStringLiteral.snap

@@ -0,0 +1,12 @@
+---
+source: crates/biome_grit_patterns/tests/spec_tests.rs
+expression: matchStringLiteral
+---
+SnapshotResult {
+    messages: [],
+    matched_ranges: [
+        "1:1-1:28",
+    ],
+    rewritten_files: [],
+    created_files: [],
+}

crates/biome_grit_patterns/tests/specs/ts/matchStringLiteral.ts

@@ -0,0 +1 @@
+buildConfig({ foo: "bar" });