feat(rome_lsp): add link to LSP diagnostic

crates/rome_lsp/src/utils.rs

@@ -16,7 +16,7 @@ use std::collections::HashMap;
 use std::fmt::{Debug, Display};
 use std::io;
 use tower_lsp::jsonrpc::Error as LspError;
-use tower_lsp::lsp_types::{self as lsp};
+use tower_lsp::lsp_types::{self as lsp, CodeDescription, Url};
 use tracing::error;
 
 pub(crate) fn position(line_index: &LineIndex, offset: TextSize) -> Result<lsp::Position> {
@@ -217,6 +217,13 @@ pub(crate) fn diagnostic_to_lsp<D: Diagnostic>(
         .category()
         .map(|category| lsp::NumberOrString::String(category.name().to_string()));
 
+    let code_description = diagnostic
+        .category()
+        .and_then(|category| category.link())
+        .map(|link| CodeDescription {
+            href: Url::parse(link).unwrap(),
+        });
+
     let message = PrintDescription(&diagnostic).to_string();
     ensure!(!message.is_empty(), "diagnostic description is empty");
 
@@ -248,15 +255,17 @@ pub(crate) fn diagnostic_to_lsp<D: Diagnostic>(
         }
     };
 
-    Ok(lsp::Diagnostic::new(
+    let mut diagnostic = lsp::Diagnostic::new(
         span,
         Some(severity),
         code,
         Some("rome".into()),
         message,
         related_information,
         tags,
-    ))
+    );
+    diagnostic.code_description = code_description;
+    Ok(diagnostic)
 }
 
 struct RelatedInformationVisitor<'a> {

crates/rome_lsp/tests/server.rs

@@ -28,7 +28,6 @@ use tower::{Service, ServiceExt};
 use tower_lsp::jsonrpc;
 use tower_lsp::jsonrpc::Response;
 use tower_lsp::lsp_types as lsp;
-use tower_lsp::lsp_types::ClientCapabilities;
 use tower_lsp::lsp_types::DidChangeTextDocumentParams;
 use tower_lsp::lsp_types::DidCloseTextDocumentParams;
 use tower_lsp::lsp_types::DidOpenTextDocumentParams;
@@ -45,6 +44,7 @@ use tower_lsp::lsp_types::TextDocumentItem;
 use tower_lsp::lsp_types::TextEdit;
 use tower_lsp::lsp_types::VersionedTextDocumentIdentifier;
 use tower_lsp::lsp_types::WorkDoneProgressParams;
+use tower_lsp::lsp_types::{ClientCapabilities, CodeDescription, Url};
 use tower_lsp::LspService;
 use tower_lsp::{jsonrpc::Request, lsp_types::InitializeParams};
 
@@ -564,7 +564,10 @@ async fn pull_diagnostics() -> Result<()> {
                     code: Some(lsp::NumberOrString::String(String::from(
                         "lint/suspicious/noDoubleEquals",
                     ))),
-                    code_description: None,
+                    code_description: Some(CodeDescription {
+                        href: Url::parse("https://docs.rome.tools/lint/rules/noDoubleEquals")
+                            .unwrap()
+                    }),
                     source: Some(String::from("rome")),
                     message: String::from(
                         "Use === instead of ==.\n== is only allowed when comparing against `null`",

website/package.json

@@ -12,7 +12,7 @@
 				"build:wasm": "wasm-pack build --out-dir ../../npm/wasm-web --target web --release --scope rometools ../crates/rome_wasm",
 				"build:wasm-dev": "wasm-pack build --out-dir ../../npm/wasm-web --target web --dev --scope rometools ../crates/rome_wasm"
 		},
-		"dependencies": {
+		"devDependencies": {
 				"@astrojs/mdx": "^0.11.5",
 				"@astrojs/prism": "^1.0.2",
 				"@astrojs/react": "^1.2.2",