Add SSR bundle minify config

README.md

@@ -991,6 +991,7 @@ export default config;
 | `sitemap`            | `BunextSitemapConfig`                                                             | —                | Options for `bunext sitemap` — see [Sitemap](#sitemap)                                            |
 | `robots`             | `BunextRobotsConfig \| false`                                                     | —                | robots.txt options for `bunext sitemap`, or `false` to skip it — see [robots.txt](#robotstxt)     |
 | `disable_seo`        | `boolean`                                                                         | `false`          | Keep the whole site out of search engines (e.g. preview deployments) — see [Disabling SEO](#disabling-seo) |
+| `minify_ssr_bundle`  | `boolean`                                                                         | `true`           | Minify the SSR bundle. SSR output is served from local disk, not downloaded by browsers, so set `false` to cut build memory on constrained hosts. Never minified in dev |
 
 ### Middleware
 

dist/functions/bundler/pages-ssr-context-bundler.js

@@ -12,7 +12,8 @@ import { evictDeletedModules } from "../../utils/import-fresh";
 import { writeFileSync } from "fs";
 import path from "path";
 import { log } from "../../utils/log";
-import { logBuildErrorsOnce, } from "../../utils/build-error-log";
+import { logBuildErrorsOnce } from "../../utils/build-error-log";
+import shouldMinifySSR from "../../utils/should-minify-ssr";
 const { BUNX_CWD_MODULE_CACHE_DIR, BUNX_TMP_DIR } = grabDirNames();
 // Current virtual entry contents. The SSR virtual plugin resolves its
 // onLoad contents lazily from this map on every rebuild, so edits to
@@ -124,7 +125,9 @@ async function doSSRRebuild(params) {
                 entryPoints,
                 outdir: BUNX_CWD_MODULE_CACHE_DIR,
                 bundle: true,
-                minify: !dev,
+                minify: shouldMinifySSR({
+                    minify_ssr_bundle: config.minify_ssr_bundle,
+                }),
                 format: "esm",
                 target: "esnext",
                 platform: "node",

dist/types/index.d.ts

@@ -114,6 +114,13 @@ export type BunextConfig = {
      * aborted and answered with a 500. Defaults to 30000.
      */
     ssr_render_timeout_ms?: number;
+    /**
+     * Minify the SSR bundle. The SSR output is read off local disk by the
+     * server and is never downloaded by a browser, so minifying it only costs
+     * build memory. Set to `false` on memory-constrained hosts. Never minified
+     * in dev; defaults to `true` in production.
+     */
+    minify_ssr_bundle?: boolean;
 };
 export type BunextConfigMiddlewareParams = {
     req: Request;

dist/utils/should-minify-ssr.d.ts

@@ -0,0 +1,17 @@
+type Params = {
+    /**
+     * The value of `minify_ssr_bundle` in `bunext.config.ts`
+     * (`global.BUNEXT_CONFIG.minify_ssr_bundle`).
+     */
+    minify_ssr_bundle?: boolean;
+};
+/**
+ * Whether the SSR bundle should be minified.
+ *
+ * The SSR output is read off local disk by the server and is never downloaded
+ * by a browser, so minifying it only costs build memory. Dev is never minified.
+ * In production the bundle is minified unless `minify_ssr_bundle` is explicitly
+ * set to `false` in `bunext.config.ts`.
+ */
+export default function shouldMinifySSR(params?: Params): boolean;
+export {};

dist/utils/should-minify-ssr.js

@@ -0,0 +1,14 @@
+import isDevelopment from "./is-development";
+/**
+ * Whether the SSR bundle should be minified.
+ *
+ * The SSR output is read off local disk by the server and is never downloaded
+ * by a browser, so minifying it only costs build memory. Dev is never minified.
+ * In production the bundle is minified unless `minify_ssr_bundle` is explicitly
+ * set to `false` in `bunext.config.ts`.
+ */
+export default function shouldMinifySSR(params = {}) {
+    if (isDevelopment())
+        return false;
+    return params.minify_ssr_bundle !== false;
+}

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@moduletrace/bunext",
-    "version": "1.3.3",
+    "version": "1.3.4",
     "main": "dist/index.js",
     "module": "index.ts",
     "dependencies": {

src/__tests__/utils/should-minify-ssr.test.ts

@@ -0,0 +1,28 @@
+import { describe, it, expect, afterEach } from "bun:test";
+import shouldMinifySSR from "../../utils/should-minify-ssr";
+
+const originalEnv = process.env.NODE_ENV;
+
+afterEach(() => {
+    process.env.NODE_ENV = originalEnv;
+});
+
+describe("shouldMinifySSR", () => {
+    it("never minifies in development", () => {
+        process.env.NODE_ENV = "development";
+        expect(shouldMinifySSR()).toBe(false);
+        expect(shouldMinifySSR({ minify_ssr_bundle: true })).toBe(false);
+        expect(shouldMinifySSR({ minify_ssr_bundle: false })).toBe(false);
+    });
+
+    it("minifies in production by default", () => {
+        process.env.NODE_ENV = "production";
+        expect(shouldMinifySSR()).toBe(true);
+        expect(shouldMinifySSR({ minify_ssr_bundle: true })).toBe(true);
+    });
+
+    it("skips minification when minify_ssr_bundle is false", () => {
+        process.env.NODE_ENV = "production";
+        expect(shouldMinifySSR({ minify_ssr_bundle: false })).toBe(false);
+    });
+});

src/functions/bundler/pages-ssr-context-bundler.ts

@@ -13,9 +13,8 @@ import { evictDeletedModules } from "../../utils/import-fresh";
 import { writeFileSync } from "fs";
 import path from "path";
 import { log } from "../../utils/log";
-import {
-    logBuildErrorsOnce,
-} from "../../utils/build-error-log";
+import { logBuildErrorsOnce } from "../../utils/build-error-log";
+import shouldMinifySSR from "../../utils/should-minify-ssr";
 
 const { BUNX_CWD_MODULE_CACHE_DIR, BUNX_TMP_DIR } = grabDirNames();
 
@@ -174,7 +173,9 @@ async function doSSRRebuild(params?: RebuildParams) {
                 entryPoints,
                 outdir: BUNX_CWD_MODULE_CACHE_DIR,
                 bundle: true,
-                minify: !dev,
+                minify: shouldMinifySSR({
+                    minify_ssr_bundle: config.minify_ssr_bundle,
+                }),
                 format: "esm",
                 target: "esnext",
                 platform: "node",

src/types/index.ts

@@ -131,6 +131,13 @@ export type BunextConfig = {
      * aborted and answered with a 500. Defaults to 30000.
      */
     ssr_render_timeout_ms?: number;
+    /**
+     * Minify the SSR bundle. The SSR output is read off local disk by the
+     * server and is never downloaded by a browser, so minifying it only costs
+     * build memory. Set to `false` on memory-constrained hosts. Never minified
+     * in dev; defaults to `true` in production.
+     */
+    minify_ssr_bundle?: boolean;
 };
 
 export type BunextConfigMiddlewareParams = {

src/utils/should-minify-ssr.ts

@@ -0,0 +1,22 @@
+import isDevelopment from "./is-development";
+
+type Params = {
+    /**
+     * The value of `minify_ssr_bundle` in `bunext.config.ts`
+     * (`global.BUNEXT_CONFIG.minify_ssr_bundle`).
+     */
+    minify_ssr_bundle?: boolean;
+};
+
+/**
+ * Whether the SSR bundle should be minified.
+ *
+ * The SSR output is read off local disk by the server and is never downloaded
+ * by a browser, so minifying it only costs build memory. Dev is never minified.
+ * In production the bundle is minified unless `minify_ssr_bundle` is explicitly
+ * set to `false` in `bunext.config.ts`.
+ */
+export default function shouldMinifySSR(params: Params = {}): boolean {
+    if (isDevelopment()) return false;
+    return params.minify_ssr_bundle !== false;
+}