Refactor some more

Author: wooorm

index.js

@@ -1,6 +1,6 @@
 /**
- * @typedef {import('./lib/index.js').UrlConfig} UrlConfig
  * @typedef {import('./lib/index.js').Options} Options
+ * @typedef {import('./lib/index.js').UrlConfig} UrlConfig
  */
 
 export {default} from './lib/index.js'

lib/index.js

@@ -217,10 +217,10 @@ export default function remarkValidateLinks(options, fileSet) {
       root,
       urlConfig
     }
-    /** @type {Array<string>} */
-    const statted = []
-    /** @type {Array<string>} */
-    const added = []
+    /** @type {Set<string>} */
+    const statted = new Set()
+    /** @type {Set<string>} */
+    const added = new Set()
     /** @type {Array<Promise<void>>} */
     const promises = []
 
@@ -260,7 +260,7 @@ export default function remarkValidateLinks(options, fileSet) {
               addReference(fp, hash, node)
             }
 
-            if (fileSet && fp && !statted.includes(fp)) {
+            if (fileSet && fp && !statted.has(fp)) {
               promises.push(addFile(fp))
             }
           }
@@ -351,7 +351,7 @@ export default function remarkValidateLinks(options, fileSet) {
      *   Nothing.
      */
     async function addFile(filePath) {
-      statted.push(filePath)
+      statted.add(filePath)
 
       try {
         const stats = await fs.stat(filePath)
@@ -384,13 +384,13 @@ export default function remarkValidateLinks(options, fileSet) {
           // Else, there’s no readme that we can parse, so add the directory.
           if (file) {
             filePath = path.join(filePath, file)
-            statted.push(filePath)
+            statted.add(filePath)
           }
         }
       } catch {}
 
-      if (fileSet && !added.includes(filePath)) {
-        added.push(filePath)
+      if (fileSet && !added.has(filePath)) {
+        added.add(filePath)
         fileSet.add(
           new VFile({cwd: file.cwd, path: path.relative(file.cwd, filePath)})
         )