feat(rome_service): add support for JSON linter in the workspace

CHANGELOG.md

@@ -68,6 +68,10 @@ multiple files:
 
 ### Editors
 
+#### Other changes
+
+- The Rome LSP is now able to show diagnostics that belong to JSON lint rules.
+
 ### Formatter
 
 - Added a new option called `--jsx-quote-style` to the formatter. This option allows you to choose between single and double quotes for JSX attributes. [#4486](https://github.com/rome/tools/issues/4486)
@@ -96,6 +100,8 @@ multiple files:
   This rule proposes turning function expressions into arrow functions.
   Function expressions that use `this` are ignored.
 
+- [`noDuplicateJsonKeys`](https://docs.rome.tools/lint/rules/noDuplicateJsonKeys/)
+
 #### Other changes
 
 - [`noRedeclare`](https://docs.rome.tools/lint/rules/noredeclare/): allow redeclare of index signatures are in different type members [#4478](https://github.com/rome/tools/issues/4478)

crates/rome_cli/tests/commands/check.rs

@@ -2398,3 +2398,46 @@ fn ignores_unknown_file() {
         result,
     ));
 }
+
+#[test]
+fn check_json_files() {
+    let mut fs = MemoryFileSystem::default();
+    let mut console = BufferConsole::default();
+
+    let file_path1 = Path::new("test.json");
+    fs.insert(
+        file_path1.into(),
+        r#"{ "foo": true, "foo": true }"#.as_bytes(),
+    );
+
+    let configuration = Path::new("rome.json");
+    fs.insert(
+        configuration.into(),
+        r#"{
+	"linter": {
+		"rules": {
+			"nursery": {
+				"noDuplicateJsonKeys": "error"
+			}
+		}
+	}
+	 }"#
+        .as_bytes(),
+    );
+
+    let result = run_cli(
+        DynRef::Borrowed(&mut fs),
+        &mut console,
+        Args::from(&[("check"), file_path1.as_os_str().to_str().unwrap()]),
+    );
+
+    assert!(result.is_err(), "run_cli returned {result:?}");
+
+    assert_cli_snapshot(SnapshotPayload::new(
+        module_path!(),
+        "check_json_files",
+        fs,
+        console,
+        result,
+    ));
+}

crates/rome_cli/tests/snapshots/main_commands_check/check_json_files.snap

@@ -0,0 +1,60 @@
+---
+source: crates/rome_cli/tests/snap_test.rs
+expression: content
+---
+## `rome.json`
+
+```json
+{
+  "linter": {
+    "rules": {
+      "nursery": {
+        "noDuplicateJsonKeys": "error"
+      }
+    }
+  }
+}
+```
+
+## `test.json`
+
+```json
+{ "foo": true, "foo": true }
+```
+
+# Termination Message
+
+```block
+internalError/io ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  × Some errors were emitted while running checks
+
+
+
+```
+
+# Emitted Messages
+
+```block
+test.json:1:3 lint/nursery/noDuplicateJsonKeys ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  × The key foo was already declared.
+
+  > 1 │ { "foo": true, "foo": true }
+      │   ^^^^^
+
+  i This where a duplicated key was declared again.
+
+  > 1 │ { "foo": true, "foo": true }
+      │                ^^^^^
+
+  i If a key is defined multiple times, only the last definition takes effect. Previous definitions are ignored.
+
+
+```
+
+```block
+Checked 1 file(s) in <TIME>
+```
+
+

crates/rome_deserialize/src/json.rs

@@ -15,15 +15,15 @@ pub trait JsonDeserialize: Sized {
     /// It accepts a JSON AST and a visitor. The visitor is the [default](Default) implementation of the data
     /// type that implements this trait.
     fn deserialize_from_ast(
-        root: JsonRoot,
+        root: &JsonRoot,
         visitor: &mut impl VisitJsonNode,
         diagnostics: &mut Vec<DeserializationDiagnostic>,
     ) -> Option<()>;
 }
 
 impl JsonDeserialize for () {
     fn deserialize_from_ast(
-        _root: JsonRoot,
+        _root: &JsonRoot,
         _visitor: &mut impl VisitJsonNode,
         _diagnostics: &mut Vec<DeserializationDiagnostic>,
     ) -> Option<()> {
@@ -526,14 +526,14 @@ pub fn with_only_known_variants(
 ///         use rome_deserialize::Deserialized;
 ///         let mut output = Self::default();
 ///         let mut diagnostics = vec![];
-///         NewConfiguration::deserialize_from_ast(root, &mut output, &mut diagnostics);
+///         NewConfiguration::deserialize_from_ast(&root, &mut output, &mut diagnostics);
 ///         Deserialized::new(output, diagnostics)
 ///     }
 /// }
 ///
 ///
 /// impl JsonDeserialize for NewConfiguration {
-///     fn deserialize_from_ast(root: JsonRoot, visitor: &mut impl VisitJsonNode, diagnostics: &mut Vec<DeserializationDiagnostic>) -> Option<()> {
+///     fn deserialize_from_ast(root: &JsonRoot, visitor: &mut impl VisitJsonNode, diagnostics: &mut Vec<DeserializationDiagnostic>) -> Option<()> {
 ///         let object = root.value().ok()?;
 ///         let object = object.as_json_object_value()?;
 ///         for member in object.json_member_list() {
@@ -561,7 +561,7 @@ where
     let mut output = Output::default();
     let mut diagnostics = vec![];
     let parse = parse_json(source);
-    Output::deserialize_from_ast(parse.tree(), &mut output, &mut diagnostics);
+    Output::deserialize_from_ast(&parse.tree(), &mut output, &mut diagnostics);
     let mut errors = parse
         .into_diagnostics()
         .into_iter()
@@ -580,7 +580,7 @@ where
 }
 
 /// Attempts to deserialize a JSON AST, given the `Output`.
-pub fn deserialize_from_json_ast<Output>(parse: JsonRoot) -> Deserialized<Output>
+pub fn deserialize_from_json_ast<Output>(parse: &JsonRoot) -> Deserialized<Output>
 where
     Output: Default + VisitJsonNode + JsonDeserialize,
 {

crates/rome_diagnostics/Cargo.toml

@@ -45,4 +45,4 @@ schema = ["schemars", "rome_text_edit/schemars", "rome_diagnostics_categories/sc
 
 [dev-dependencies]
 serde_json = "1.0.74"
-trybuild   = "1.0"
+trybuild   = "1.0.80"

crates/rome_service/Cargo.toml

@@ -25,6 +25,7 @@ rome_js_formatter   = { workspace = true, features = ["serde"] }
 rome_js_parser      = { workspace = true }
 rome_js_semantic    = { workspace = true }
 rome_js_syntax      = { workspace = true, features = ["serde"] }
+rome_json_analyze   = { workspace = true }
 rome_json_formatter = { workspace = true }
 rome_json_parser    = { workspace = true }
 rome_json_syntax    = { workspace = true }

crates/rome_service/src/configuration/parse/json.rs

@@ -18,7 +18,7 @@ use rome_rowan::AstNode;
 
 impl JsonDeserialize for Configuration {
     fn deserialize_from_ast(
-        root: JsonRoot,
+        root: &JsonRoot,
         visitor: &mut impl VisitJsonNode,
         diagnostics: &mut Vec<DeserializationDiagnostic>,
     ) -> Option<()> {