feat(compiler): Add support for remix config feature flags

.changeset/calm-eels-invite.md

@@ -0,0 +1,5 @@
+---
+"@remix-run/dev": patch
+---
+
+Added support for feature flags in `remix.config.js`

packages/remix-dev/__tests__/readConfig-test.ts

@@ -22,6 +22,9 @@ describe("readConfig", () => {
         assetsBuildDirectory: expect.any(String),
         relativeAssetsBuildDirectory: expect.any(String),
         tsconfigPath: expect.any(String),
+        future: {
+          v2_meta: expect.any(Boolean),
+        },
       },
       `
       Object {
@@ -32,6 +35,9 @@ describe("readConfig", () => {
         "devServerPort": Any<Number>,
         "entryClientFile": "entry.client.tsx",
         "entryServerFile": "entry.server.tsx",
+        "future": Object {
+          "v2_meta": Any<Boolean>,
+        },
         "mdx": undefined,
         "publicPath": "/build/",
         "relativeAssetsBuildDirectory": Any<String>,

packages/remix-dev/compiler/plugins/serverEntryModulePlugin.ts

@@ -45,6 +45,7 @@ ${Object.keys(config.routes)
   export const assetsBuildDirectory = ${JSON.stringify(
     config.relativeAssetsBuildDirectory
   )};
+  export const future = ${JSON.stringify(config.future)};
   export const publicPath = ${JSON.stringify(config.publicPath)};
   export const entry = { module: entryServer };
   export const routes = {

packages/remix-dev/config.ts

@@ -31,6 +31,10 @@ export type ServerBuildTarget =
 export type ServerModuleFormat = "esm" | "cjs";
 export type ServerPlatform = "node" | "neutral";
 
+interface FutureConfig {
+  v2_meta: boolean;
+}
+
 /**
  * The user-provided config in `remix.config.js`.
  */
@@ -157,6 +161,8 @@ export interface AppConfig {
     | string
     | string[]
     | (() => Promise<string | string[]> | string | string[]);
+
+  future?: Partial<FutureConfig>;
 }
 
 /**
@@ -275,6 +281,8 @@ export interface RemixConfig {
    * The path for the tsconfig file, if present on the root directory.
    */
   tsconfigPath: string | undefined;
+
+  future: FutureConfig;
 }
 
 /**
@@ -472,6 +480,10 @@ export async function readConfig(
     writeConfigDefaults(tsconfigPath);
   }
 
+  let future = {
+    v2_meta: appConfig.future?.v2_meta === true,
+  };
+
   return {
     appDirectory,
     cacheDirectory,
@@ -495,6 +507,7 @@ export async function readConfig(
     mdx,
     watchPaths,
     tsconfigPath,
+    future,
   };
 }
 

packages/remix-dev/index.ts

@@ -1,6 +1,6 @@
 import "./modules";
 
-export type { AppConfig } from "./config";
+export type { AppConfig, RemixConfig as ResolvedRemixConfig } from "./config";
 
 export * as cli from "./cli/index";
 export { createApp } from "./cli/create";

packages/remix-react/components.tsx

@@ -24,7 +24,7 @@ import { createPath } from "history";
 import type { SerializeFrom } from "@remix-run/server-runtime";
 
 import type { AppData, FormEncType, FormMethod } from "./data";
-import type { EntryContext, AssetsManifest } from "./entry";
+import type { AssetsManifest, EntryContext, FutureConfig } from "./entry";
 import type { AppState, SerializedError } from "./errors";
 import {
   RemixRootDefaultErrorBoundary,
@@ -71,6 +71,7 @@ interface RemixEntryContextType {
   serverHandoffString?: string;
   clientRoutes: ClientRoute[];
   transitionManager: ReturnType<typeof createTransitionManager>;
+  future: FutureConfig;
 }
 
 export const RemixEntryContext = React.createContext<
@@ -195,6 +196,7 @@ export function RemixEntry({
         routeData: loaderData,
         actionData,
         transitionManager,
+        future: entryContext.future,
       }}
     >
       <RemixErrorBoundary

packages/remix-react/entry.ts

@@ -12,6 +12,11 @@ export interface EntryContext {
   actionData?: RouteData;
   routeModules: RouteModules;
   serverHandoffString?: string;
+  future: FutureConfig;
+}
+
+export interface FutureConfig {
+  v2_meta: boolean;
 }
 
 export interface AssetsManifest {

packages/remix-server-runtime/build.ts

@@ -1,5 +1,5 @@
 import type { DataFunctionArgs } from "./routeModules";
-import type { EntryContext, AssetsManifest } from "./entry";
+import type { AssetsManifest, EntryContext, FutureConfig } from "./entry";
 import type { ServerRouteManifest } from "./routes";
 
 /**
@@ -13,6 +13,7 @@ export interface ServerBuild {
   assets: AssetsManifest;
   publicPath: string;
   assetsBuildDirectory: string;
+  future: FutureConfig;
 }
 
 export interface HandleDocumentRequestFunction {

packages/remix-server-runtime/entry.ts

@@ -17,6 +17,11 @@ export interface EntryContext {
   actionData?: RouteData;
   routeModules: RouteModules<EntryRouteModule>;
   serverHandoffString?: string;
+  future: FutureConfig;
+}
+
+export interface FutureConfig {
+  v2_meta: boolean;
 }
 
 export interface AssetsManifest {

packages/remix-server-runtime/server.ts

@@ -577,6 +577,7 @@ async function handleDocumentRequest({
     appState: appState,
     matches: entryMatches,
     routeData,
+    future: build.future,
   };
 
   let entryContext: EntryContext = {