feat(preloader): add preloadOnce to preload a relationship only once

ezyostudio · Dec 14, 2024 · 24aa495 · 24aa495
1 parent 918f473
commit 24aa495
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/orm/preloader/index.ts b/src/orm/preloader/index.ts
@@ -128,6 +128,18 @@ export class Preloader implements PreloaderContract<LucidRow> {
     return this.load(name, callback)
   }
 
+  /**
+   * Define a relationship to preload, but only if they are not
+   * already preloaded
+   */
+  preloadOnce(name: any): this {
+    if (!this.preloads[name]) {
+      return this.load(name)
+    }
+
+    return this
+  }
+
   /**
    * Toggle query debugging
    */