feature(vscode): resolve lspBin using a relative path (#3224)

editors/vscode/package.json

@@ -81,7 +81,7 @@
 						"null"
 					],
 					"default": null,
-					"markdownDescription": "The rome lsp server executable."
+					"markdownDescription": "The rome lsp server executable. If the path is relative, the workspace folder will be used as base path"
 				}
 			}
 		},
@@ -108,8 +108,8 @@
 		"package": "vsce package -o rome_lsp.vsix",
 		"build": "npm run compile -- --minify && npm run package",
 		"install-extension": "code --install-extension rome_lsp.vsix",
-		"format": "cargo run --bin rome format ./src/ ./scripts",
-		"format:rome": "rome format src scripts --write",
+		"format": "cargo run --bin rome format ./src/ ./scripts --write",
+		"pack:dev": "npm run compile && npm run package && npm run install-extension",
 		"tsc": "tsc"
 	},
 	"dependencies": {

editors/vscode/src/main.ts

@@ -15,6 +15,8 @@ import {
 	ServerOptions,
 	StreamInfo,
 } from "vscode-languageclient/node";
+import { join, isAbsolute } from "path";
+import { existsSync } from "fs";
 import { setContextValue } from "./utils";
 import { Session } from "./session";
 import { syntaxTree } from "./commands/syntaxTree";
@@ -121,7 +123,18 @@ async function getServerPath(
 	const config = workspace.getConfiguration();
 	const explicitPath = config.get("rome.lspBin");
 	if (typeof explicitPath === "string" && explicitPath !== "") {
-		return explicitPath;
+		if (isAbsolute(explicitPath)) {
+			return explicitPath;
+		} else {
+			for (let i = 0; i < workspace.workspaceFolders.length; i++) {
+				const workspaceFolder = workspace.workspaceFolders[i];
+				const possiblePath = join(workspaceFolder.uri.path, explicitPath);
+				if (existsSync(possiblePath)) {
+					return possiblePath;
+				}
+			}
+			return undefined;
+		}
 	}
 
 	const triplet = PLATFORM_TRIPLETS[process.platform]?.[process.arch];