[build-utils] Add EdgeFunction output type (#7510)

Co-authored-by: Steven <steven@ceriously.com>

packages/routing-utils/src/schemas.ts

@@ -153,9 +153,8 @@ export const routesSchema = {
               },
             },
           },
-          middleware: {
-            type: 'number',
-          },
+          middleware: { type: 'number' },
+          middlewarePath: { type: 'string' },
           has: hasSchema,
           missing: hasSchema,
         },

packages/routing-utils/src/types.ts

@@ -38,6 +38,14 @@ export type Source = {
     redirect?: Record<string, string>;
     cookie?: string;
   };
+  /**
+   * A middleware key within the `output` key under the build result.
+   * Overrides a `middleware` definition.
+   */
+  middlewarePath?: string;
+  /**
+   * A middleware index in the `middleware` key under the build result
+   */
   middleware?: number;
 };