Support caching results on Win32-based systems (#832)

Co-authored-by: David Behmoaras <davidbehmoaras@Davids-MacBook-Air.local>

Author: dbehmoaras

packages/knip/src/util/file-entry-cache.ts

@@ -4,7 +4,10 @@
  * - https://github.com/jaredwray/cacheable/blob/main/packages/file-entry-cache/LICENSE
  */
 import fs from 'node:fs';
+// biome-ignore lint/nursery/noRestrictedImports: ignore
+import path from 'node:path';
 import { timerify } from './Performance.js';
+import parsedArgValues from './cli-arguments.js';
 import { debugLog } from './debug.js';
 import { isDirectory, isFile } from './fs.js';
 import { dirname, isAbsolute, resolve } from './path.js';
@@ -38,7 +41,10 @@ export class FileEntryCache<T> {
   normalizedEntries = new Map<string, FileDescriptor<T>>();
 
   constructor(cacheId: string, _path: string) {
-    this.filePath = isAbsolute(_path) ? resolve(_path, cacheId) : resolve(cwd, _path, cacheId);
+    const { 'cache-location': cacheLocation } = parsedArgValues;
+    const currentPath = cacheLocation ? path.resolve(cacheLocation) : path.resolve(cwd);
+    this.filePath = isAbsolute(currentPath) ? path.join(currentPath, cacheId) : path.join(currentPath, _path, cacheId);
+
     if (isFile(this.filePath)) this.cache = create(this.filePath);
     this.removeNotFoundFiles();
   }