fix(build): prune stale generated api endpoints

Clean list-specific JSON endpoint directories before rewriting them so local and deploy-style API builds do not fail on leftover files from older runs.

Keep the count check, but count only generated JSON outputs so the verification reflects the actual endpoint set.

Author: ThatGuySam

build-lists.js

@@ -1,4 +1,4 @@
-import { dirname, basename } from 'path'
+import { dirname, basename, extname, join } from 'path'
 
 import os from 'os'
 import fs from 'fs-extra'
@@ -448,6 +448,14 @@ class BuildLists {
 
         const apiListDirectory = `${ apiDirectory }/${ listOptions.endpointPrefix }`
 
+        await fs.ensureDir( apiListDirectory )
+
+        for ( const existingFile of await fs.readdir( apiListDirectory ) ) {
+            if ( extname( existingFile ) !== '.json' ) continue
+
+            await fs.remove( join( apiListDirectory, existingFile ) )
+        }
+
         // const poolSize = 1000
 
         // Store app bundles to memory
@@ -516,14 +524,18 @@ class BuildLists {
         }
 
         // Count saved files
-        const fileCount = fs.readdirSync( apiListDirectory ).length
+        const fileCount = fs.readdirSync( apiListDirectory )
+            .filter( fileName => extname( fileName ) === '.json' )
+            .length
 
         console.log( fileCount, 'Files saved in', apiListDirectory )
         console.log( this.lists[listOptions.name].size, 'Entries' )
 
         if ( fileCount !== this.lists[listOptions.name].size ) {
             const listSlugs = Array.from( this.lists[listOptions.name] ).map( listEntry => listEntry.slug )
-            const fileNames = fs.readdirSync( apiListDirectory ).map( fileName => basename(fileName).split('.')[0] )
+            const fileNames = fs.readdirSync( apiListDirectory )
+                .filter( fileName => extname( fileName ) === '.json' )
+                .map( fileName => basename(fileName).split('.')[0] )
 
             logArraysDifference( listSlugs, fileNames )