feat(remix-serve): allow passing getLoadContext for programattically …

…starting server

packages/remix-serve/index.ts

@@ -2,8 +2,13 @@ import express from "express";
 import compression from "compression";
 import morgan from "morgan";
 import { createRequestHandler } from "@remix-run/express";
+import type { GetLoadContextFunction } from "@remix-run/express";
 
-export function createApp(buildPath: string, mode = "production") {
+export function createApp(
+  buildPath: string,
+  mode = "production",
+  getLoadContext?: GetLoadContextFunction
+) {
   let app = express();
 
   app.disable("x-powered-by");
@@ -21,11 +26,19 @@ export function createApp(buildPath: string, mode = "production") {
   app.all(
     "*",
     mode === "production"
-      ? createRequestHandler({ build: require(buildPath), mode })
+      ? createRequestHandler({
+          build: require(buildPath),
+          mode,
+          getLoadContext,
+        })
       : (req, res, next) => {
           // require cache is purged in @remix-run/dev where the file watcher is
           let build = require(buildPath);
-          return createRequestHandler({ build, mode })(req, res, next);
+          return createRequestHandler({ build, mode, getLoadContext })(
+            req,
+            res,
+            next
+          );
         }
   );