Fix collectRef

Author: redneckz

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@redneckz/json-ref",
-  "version": "0.0.12",
+  "version": "0.0.13",
   "license": "MIT",
   "author": {
     "name": "redneckz",

src/collectRef.ts

@@ -1,4 +1,5 @@
 import { type JSONNode } from '@redneckz/json-op';
 import { refEntries } from './refEntries';
+import { unique } from './unique';
 
-export const collectRef = (json: JSONNode): string[] => refEntries(json).map(([, _]) => _);
+export const collectRef = (json: JSONNode): string[] => unique(refEntries(json).map(([, _]) => _));

src/fileResolver.ts

@@ -1,5 +1,5 @@
 import * as fs from 'fs';
-import * as path from 'path';
+import * as path from 'path/posix';
 import { promisify } from 'util';
 import type { URIResolver } from './URIResolver';
 

src/unique.ts

@@ -0,0 +1 @@
+export const unique = <T>(list: T[]): T[] => [...new Set(list)];