wip: replace packages with pure files

packages/utils/commands.ts

@@ -0,0 +1,20 @@
+export interface File {
+  path: string
+  type: string
+}
+
+const fileTypes = new Map([
+  ['file', '-f'],
+  ['directory', '-d'],
+  ['link', '-L'],
+  ['socket', '-S'],
+])
+
+function sanitizePath(path: string): string {
+  return path.replace(/[^a-zA-Z0-9._/-]/g, '')
+}
+
+export function buildFileCheckCmd(file: File): string[] {
+  const { path, type } = file
+  return ['test', fileTypes.get(type) || '-e', sanitizePath(path)]
+}