test(compiler): browser and server bundles for deno

integration/deno-compiler-test.ts

@@ -0,0 +1,230 @@
+import { test, expect } from "@playwright/test";
+import * as fse from "fs-extra";
+import path from "path";
+import shell from "shelljs";
+import glob from "glob";
+
+import { createFixtureProject, js, json } from "./helpers/create-fixture";
+
+let projectDir: string;
+
+const findBrowserBundle = (projectDir: string): string =>
+  path.resolve(projectDir, "public", "build");
+
+const findServerBundle = (projectDir: string): string =>
+  path.resolve(projectDir, "build", "index.js");
+
+const importPattern = (importSpecifier: string) =>
+  new RegExp(
+    String.raw`import\s*{.*}\s*from\s*"` + importSpecifier + String.raw`"`
+  );
+
+const findCodeFiles = async (directory: string) =>
+  glob.sync("**/*.@(js|jsx|ts|tsx)", {
+    cwd: directory,
+    absolute: true,
+  });
+const searchFiles = async (pattern: string | RegExp, files: string[]) => {
+  let result = shell.grep("-l", pattern, files);
+  return result.stdout
+    .trim()
+    .split("\n")
+    .filter((line) => line.length > 0);
+};
+
+test.beforeAll(async () => {
+  projectDir = await createFixtureProject({
+    template: "deno-template",
+    files: {
+      "package.json": json({
+        private: true,
+        sideEffects: false,
+        dependencies: {
+          "@remix-run/deno": "0.0.0-local-version",
+          "@remix-run/react": "0.0.0-local-version",
+          react: "0.0.0-local-version",
+          "react-dom": "0.0.0-local-version",
+          component: "0.0.0-local-version",
+          "deno-pkg": "0.0.0-local-version",
+        },
+        devDependencies: {
+          "@remix-run/dev": "0.0.0-local-version",
+        },
+      }),
+      "app/routes/index.jsx": js`
+        import fake from "deno-pkg";
+        import { urlComponent } from "https://deno.land/x/component.ts";
+        import { urlUtil } from "https://deno.land/x/util.ts";
+        import { urlServerOnly } from "https://deno.land/x/server-only.ts";
+
+        import { npmComponent } from "npm-component";
+        import { npmUtil } from "npm-util";
+        import { npmServerOnly } from "npm-server-only";
+
+        import { useLoaderData } from "@remix-run/react";
+
+        export const loader = () => {
+          return json({
+            a: urlUtil(),
+            b: urlServerOnly(),
+            c: npmUtil(),
+            d: npmServerOnly(),
+          });
+        }
+
+        export default function Index() {
+          const data = useLoaderData();
+          return (
+            <ul>
+              <li>{fake}</li>
+
+              <li>{urlComponent}</li>
+              <li>{urlUtil()}</li>
+              <li>{data.a}</li>
+              <li>{data.b}</li>
+
+              <li>{npmComponent}</li>
+              <li>{npmUtil()}</li>
+              <li>{data.c}</li>
+              <li>{data.d}</li>
+            </ul>
+          )
+        }
+      `,
+      "node_modules/npm-component/package.json": json({
+        name: "npm-component",
+        version: "1.0.0",
+        sideEffects: false,
+      }),
+      "node_modules/npm-component/index.js": js`
+        module.exports = { npmComponent: () => "NPM_COMPONENT" };
+      `,
+      "node_modules/npm-util/package.json": json({
+        name: "npm-util",
+        version: "1.0.0",
+        sideEffects: false,
+      }),
+      "node_modules/npm-util/index.js": js`
+        module.exports = { npmUtil: () => "NPM_UTIL" };
+      `,
+      "node_modules/npm-server-only/package.json": json({
+        name: "npm-server-only",
+        version: "1.0.0",
+        sideEffects: false,
+      }),
+      "node_modules/npm-server-only/index.js": js`
+        module.exports = { npmServerOnly: () => "NPM_SERVER_ONLY" };
+      `,
+      "node_modules/deno-pkg/package.json": json({
+        name: "deno-pkg",
+        version: "1.0.0",
+        type: "module",
+        main: "./default.js",
+        exports: {
+          deno: "./deno.js",
+          worker: "./worker.js",
+          default: "./default.js",
+        },
+        sideEffects: false,
+      }),
+      "node_modules/deno-pkg/deno.js": js`
+        export default "DENO_EXPORTS";
+      `,
+      "node_modules/deno-pkg/worker.js": js`
+        export default "WORKER_EXPORTS";
+      `,
+      "node_modules/deno-pkg/default.js": js`
+        export default "DEFAULT_EXPORTS";
+      `,
+    },
+  });
+});
+
+test("compiler does not bundle url imports for server", async () => {
+  let serverBundle = await fse.readFile(findServerBundle(projectDir), "utf8");
+  expect(serverBundle).toMatch(importPattern("https://deno.land/x/util.ts"));
+  expect(serverBundle).toMatch(
+    importPattern("https://deno.land/x/server-only.ts")
+  );
+
+  // server-side rendering
+  expect(serverBundle).toMatch(
+    importPattern("https://deno.land/x/component.ts")
+  );
+});
+
+test("compiler does not bundle url imports for browser", async () => {
+  let browserBundle = findBrowserBundle(projectDir);
+  let browserCodeFiles = await findCodeFiles(browserBundle);
+
+  let utilFiles = await searchFiles(
+    importPattern("https://deno.land/x/util.ts"),
+    browserCodeFiles
+  );
+  expect(utilFiles.length).toBeGreaterThanOrEqual(1);
+
+  let componentFiles = await searchFiles(
+    importPattern("https://deno.land/x/component.ts"),
+    browserCodeFiles
+  );
+  expect(componentFiles.length).toBeGreaterThanOrEqual(1);
+
+  /*
+  Url imports _could_ have side effects, but the vast majority do not.
+  Currently Remix marks all URL imports as side-effect free.
+  */
+  let serverOnlyUtilFiles = await searchFiles(
+    importPattern("https://deno.land/x/server-only.ts"),
+    browserCodeFiles
+  );
+  expect(serverOnlyUtilFiles.length).toBe(0);
+});
+
+test("compiler bundles npm imports for server", async () => {
+  let serverBundle = await fse.readFile(findServerBundle(projectDir), "utf8");
+
+  expect(serverBundle).not.toMatch(importPattern("npm-component"));
+  expect(serverBundle).toContain("NPM_COMPONENT");
+
+  expect(serverBundle).not.toMatch(importPattern("npm-util"));
+  expect(serverBundle).toContain("NPM_UTIL");
+
+  expect(serverBundle).not.toMatch(importPattern("npm-server-only"));
+  expect(serverBundle).toContain("NPM_SERVER_ONLY");
+});
+
+test("compiler bundles npm imports for browser", async () => {
+  let browserBundle = findBrowserBundle(projectDir);
+  let browserCodeFiles = await findCodeFiles(browserBundle);
+
+  let utilImports = await searchFiles(
+    importPattern("npm-util"),
+    browserCodeFiles
+  );
+  expect(utilImports.length).toBe(0);
+  let utilFiles = await searchFiles("NPM_UTIL", browserCodeFiles);
+  expect(utilFiles.length).toBeGreaterThanOrEqual(1);
+
+  let componentImports = await searchFiles(
+    importPattern("npm-component"),
+    browserCodeFiles
+  );
+  expect(componentImports.length).toBe(0);
+  let componentFiles = await searchFiles("NPM_COMPONENT", browserCodeFiles);
+  expect(componentFiles.length).toBeGreaterThanOrEqual(1);
+
+  let serverOnlyImports = await searchFiles(
+    importPattern("npm-server-only"),
+    browserCodeFiles
+  );
+  expect(serverOnlyImports.length).toBe(0);
+  let serverOnlyFiles = await searchFiles("NPM_SERVER_ONLY", browserCodeFiles);
+  expect(serverOnlyFiles.length).toBe(0);
+});
+
+test("compiler bundles deno export of 3rd party package", async () => {
+  let serverBundle = await fse.readFile(findServerBundle(projectDir), "utf8");
+
+  expect(serverBundle).toMatch("DENO_EXPORTS");
+  expect(serverBundle).not.toMatch("DEFAULT_EXPORTS");
+});

integration/helpers/create-fixture.ts

@@ -18,7 +18,7 @@ interface FixtureInit {
   buildStdio?: Writable;
   sourcemap?: boolean;
   files: { [filename: string]: string };
-  template?: "cf-template" | "node-template";
+  template?: "cf-template" | "deno-template" | "node-template";
   setup?: "node" | "cloudflare";
 }
 

integration/helpers/deno-template/.gitignore

@@ -0,0 +1,5 @@
+/node_modules/
+
+/.cache
+/build
+/public/build

integration/helpers/deno-template/app/entry.client.tsx

@@ -0,0 +1,5 @@
+import React from "react";
+import ReactDOM from "react-dom";
+import { RemixBrowser } from "@remix-run/react";
+
+ReactDOM.hydrate(<RemixBrowser />, document);

integration/helpers/deno-template/app/entry.server.tsx

@@ -0,0 +1,22 @@
+import React from "react";
+import { renderToString } from "react-dom/server";
+import { RemixServer } from "@remix-run/react";
+import type { EntryContext } from "@remix-run/deno";
+
+export default function handleRequest(
+  request: Request,
+  responseStatusCode: number,
+  responseHeaders: Headers,
+  remixContext: EntryContext,
+) {
+  const markup = renderToString(
+    <RemixServer context={remixContext} url={request.url} />,
+  );
+
+  responseHeaders.set("Content-Type", "text/html");
+
+  return new Response("<!DOCTYPE html>" + markup, {
+    status: responseStatusCode,
+    headers: responseHeaders,
+  });
+}

integration/helpers/deno-template/app/root.tsx

@@ -0,0 +1,33 @@
+import React from "react";
+import {
+  Links,
+  LiveReload,
+  Meta,
+  Outlet,
+  Scripts,
+  ScrollRestoration,
+} from "@remix-run/react";
+import type { MetaFunction } from "@remix-run/deno";
+
+export const meta: MetaFunction = () => ({
+  charset: "utf-8",
+  title: "New Remix App",
+  viewport: "width=device-width,initial-scale=1",
+});
+
+export default function App() {
+  return (
+    <html lang="en">
+      <head>
+        <Meta />
+        <Links />
+      </head>
+      <body>
+        <Outlet />
+        <ScrollRestoration />
+        <Scripts />
+        <LiveReload />
+      </body>
+    </html>
+  );
+}

integration/helpers/deno-template/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "remix-template-deno",
+  "private": true,
+  "sideEffects": false,
+  "dependencies": {
+    "@remix-run/deno": "*",
+    "@remix-run/react": "*",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2"
+  },
+  "devDependencies": {
+    "@remix-run/dev": "*"
+  },
+  "engines": {
+    "node": ">=14"
+  }
+}

integration/helpers/deno-template/remix.config.js

@@ -0,0 +1,12 @@
+module.exports = {
+  serverBuildTarget: "deno",
+  server: "./server.ts",
+
+  /*
+  If live reload causes page to re-render without changes (live reload is too fast),
+  increase the dev server broadcast delay.
+
+  If live reload seems slow, try to decrease the dev server broadcast delay.
+  */
+  devServerBroadcastDelay: 300,
+};

integration/helpers/deno-template/server.ts

@@ -0,0 +1,14 @@
+import { serve } from "https://deno.land/std@0.128.0/http/server.ts";
+import { createRequestHandlerWithStaticFiles } from "@remix-run/deno";
+// Import path interpreted by the Remix compiler
+import * as build from "@remix-run/dev/server-build";
+
+const remixHandler = createRequestHandlerWithStaticFiles({
+  build,
+  mode: process.env.NODE_ENV,
+  getLoadContext: () => ({}),
+});
+
+const port = Number(Deno.env.get("PORT")) || 8000;
+console.log(`Listening on http://localhost:${port}`);
+serve(remixHandler, { port });