test(oxfmt/lsp): define type OxfmtLSPConfig for initializationOptions (#18351)

Author: Sysix

apps/oxfmt/test/lsp/format/format.test.ts

@@ -1,5 +1,4 @@
 import { join } from "node:path";
-import { pathToFileURL } from "node:url";
 import fs from "node:fs/promises";
 import { describe, expect, it } from "vitest";
 import { formatFixture } from "../utils";
@@ -82,14 +81,9 @@ describe("LSP formatting", () => {
           FIXTURES_DIR,
           "custom_config_path/semicolons-as-needed.ts",
           "typescript",
-          [
-            {
-              workspaceUri: pathToFileURL(join(FIXTURES_DIR, "custom_config_path")).href,
-              options: {
-                "fmt.configPath": "./format.json",
-              },
-            },
-          ],
+          {
+            "fmt.configPath": "./format.json",
+          },
         ),
       ).toMatchSnapshot();
     });

apps/oxfmt/test/lsp/utils.ts

@@ -86,7 +86,7 @@ export async function formatFixture(
   fixturesDir: string,
   fixturePath: string,
   languageId: string,
-  initializationOptions?: unknown,
+  initializationOptions?: OxfmtLSPConfig,
 ): Promise<string> {
   const filePath = join(fixturesDir, fixturePath);
   const dirPath = dirname(filePath);
@@ -97,7 +97,12 @@ export async function formatFixture(
 
   await client.initialize(
     [{ uri: pathToFileURL(dirPath).href, name: "test" }],
-    initializationOptions,
+    [
+      {
+        workspaceUri: pathToFileURL(dirPath).href,
+        options: initializationOptions,
+      },
+    ],
   );
   await client.didOpen(fileUri, languageId, content);
 
@@ -118,8 +123,8 @@ export async function formatFixtureAfterConfigChange(
   fixturesDir: string,
   fixturePath: string,
   languageId: string,
-  initializationOptions: unknown,
-  configurationChangeOptions: unknown,
+  initializationOptions: OxfmtLSPConfig,
+  configurationChangeOptions: OxfmtLSPConfig,
 ): Promise<string> {
   const filePath = join(fixturesDir, fixturePath);
   const dirPath = dirname(filePath);
@@ -165,6 +170,11 @@ ${formatted2}
 
 // ---
 
+// aligned with https://github.com/oxc-project/oxc/blob/7e6c15baaebf206ab540191da0e4e103e4fabf06/apps/oxfmt/src/lsp/options.rs
+type OxfmtLSPConfig = {
+  "fmt.configPath"?: string | null;
+};
+
 function applyEdits(content: string, edits: TextEdit[] | null, languageId: string): string | null {
   if (edits === null || edits.length === 0) return null;
   const doc = TextDocument.create("file:///test", languageId, 1, content);