fix(test): normalize path separators [skip ci]

scripts/check-file-utils.ts

@@ -50,6 +50,14 @@ export function collectFilesSync(
   return files;
 }
 
-export function relativeToCwd(filePath: string): string {
-  return path.relative(process.cwd(), filePath) || filePath;
+export function toPosixPath(filePath: string): string {
+  if (path.sep === "/") {
+    return filePath;
+  }
+  return filePath.replaceAll("\\", "/");
+}
+
+export function relativeToCwd(filePath: string): string {
+  const relativePath = path.relative(process.cwd(), filePath) || filePath;
+  return toPosixPath(relativePath);
 }

test/scripts/check-file-utils.test.ts

@@ -2,7 +2,12 @@ import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
 import { afterEach, describe, expect, it } from "vitest";
-import { collectFilesSync, isCodeFile, relativeToCwd } from "../../scripts/check-file-utils.js";
+import {
+  collectFilesSync,
+  isCodeFile,
+  relativeToCwd,
+  toPosixPath,
+} from "../../scripts/check-file-utils.js";
 
 const tempDirs: string[] = [];
 
@@ -37,7 +42,7 @@ describe("scripts/check-file-utils collectFilesSync", () => {
 
     const files = collectFilesSync(rootDir, {
       includeFile: (filePath) => filePath.endsWith(".ts"),
-    }).map((filePath) => path.relative(rootDir, filePath));
+    }).map((filePath) => toPosixPath(path.relative(rootDir, filePath)));
 
     expect(files.toSorted()).toEqual(["src/keep.ts", "src/nested/keep.test.ts"]);
   });
@@ -52,7 +57,7 @@ describe("scripts/check-file-utils collectFilesSync", () => {
     const files = collectFilesSync(rootDir, {
       includeFile: (filePath) => filePath.endsWith(".ts"),
       skipDirNames: new Set(["fixtures"]),
-    }).map((filePath) => path.relative(rootDir, filePath));
+    }).map((filePath) => toPosixPath(path.relative(rootDir, filePath)));
 
     expect(files).toEqual(["src/keep.ts"]);
   });