fix: filter out empty paths when creating ignore

resolves #462

Author: danielroe

packages/vite-plugin-checker/src/glob.ts

@@ -6,18 +6,20 @@ export function createIgnore(_root: string, pattern: string | string[] = []) {
   const paths = Array.isArray(pattern) ? pattern : [pattern]
   const root = _root.replace(/\\/g, '/')
 
-  const globs = paths.flatMap((f) => {
-    const resolvedPath = resolve(root, f)
-    const relativePath = relative(root, resolvedPath).replace(/\\/g, '/')
-    try {
-      const isDirectory =
-        !relativePath.includes('*') && statSync(resolvedPath).isDirectory()
-      if (isDirectory) {
-        return [relativePath, join(relativePath, '**/*').replace(/\\/g, '/')]
-      }
-    } catch {}
-    return [relativePath]
-  })
+  const globs = paths
+    .flatMap((f) => {
+      const resolvedPath = resolve(root, f)
+      const relativePath = relative(root, resolvedPath).replace(/\\/g, '/')
+      try {
+        const isDirectory =
+          !relativePath.includes('*') && statSync(resolvedPath).isDirectory()
+        if (isDirectory) {
+          return [relativePath, join(relativePath, '**/*').replace(/\\/g, '/')]
+        }
+      } catch {}
+      return [relativePath]
+    })
+    .filter(Boolean)
 
   const matcher = picomatch(globs, { cwd: root })