From f6e24d1a9755c1b1313cbc75efaaf1ac4d80f663 Mon Sep 17 00:00:00 2001
From: Matthew Phillips <matthew@skypack.dev>
Date: Thu, 9 Dec 2021 08:44:26 -0800
Subject: [PATCH] Almost done

---
 .../{cool-app => fast-build}/astro.config.mjs |   0
 .../{cool-app => fast-build}/package.json     |   6 +-
 .../src/components/Greeting.vue               |   0
 .../src/images/penguin.jpg                    | Bin
 .../src/images/random.jpg                     | Bin
 .../src/pages/index.astro                     |   0
 .../src/styles/global.css                     |   0
 packages/astro/package.json                   |   2 +-
 packages/astro/src/@types/astro.ts            |   1 +
 packages/astro/src/core/build/index.ts        | 234 +++---------------
 packages/astro/src/core/build/internal.ts     |  45 ++++
 packages/astro/src/core/build/page-data.ts    | 122 +++++++++
 .../astro/src/core/build/scan-based-build.ts  |  69 ++++++
 packages/astro/src/core/build/static-build.ts | 193 +++++++++++++++
 packages/astro/src/runtime/server/index.ts    |   3 +-
 .../astro/src/vite-plugin-astro/compile.ts    |   2 +
 .../astro/src/vite-plugin-build-css/index.ts  |  33 ++-
 .../astro/src/vite-plugin-build-html/index.ts |  39 +--
 .../astro/src/vite-plugin-new-build/index.ts  |  16 --
 19 files changed, 501 insertions(+), 264 deletions(-)
 rename examples/{cool-app => fast-build}/astro.config.mjs (100%)
 rename examples/{cool-app => fast-build}/package.json (61%)
 rename examples/{cool-app => fast-build}/src/components/Greeting.vue (100%)
 rename examples/{cool-app => fast-build}/src/images/penguin.jpg (100%)
 rename examples/{cool-app => fast-build}/src/images/random.jpg (100%)
 rename examples/{cool-app => fast-build}/src/pages/index.astro (100%)
 rename examples/{cool-app => fast-build}/src/styles/global.css (100%)
 create mode 100644 packages/astro/src/core/build/internal.ts
 create mode 100644 packages/astro/src/core/build/page-data.ts
 create mode 100644 packages/astro/src/core/build/scan-based-build.ts
 create mode 100644 packages/astro/src/core/build/static-build.ts
 delete mode 100644 packages/astro/src/vite-plugin-new-build/index.ts

diff --git a/examples/cool-app/astro.config.mjs b/examples/fast-build/astro.config.mjs
similarity index 100%
rename from examples/cool-app/astro.config.mjs
rename to examples/fast-build/astro.config.mjs
diff --git a/examples/cool-app/package.json b/examples/fast-build/package.json
similarity index 61%
rename from examples/cool-app/package.json
rename to examples/fast-build/package.json
index 88bb609e0..4abd5fc13 100644
--- a/examples/cool-app/package.json
+++ b/examples/fast-build/package.json
@@ -1,11 +1,11 @@
 {
-  "name": "@example/cool-app",
+  "name": "@example/fast-build",
   "version": "0.0.1",
   "private": true,
   "scripts": {
-    "dev": "astro dev",
+    "dev": "astro dev --experimental-static-build",
     "start": "astro dev",
-    "build": "astro build",
+    "build": "astro build --experimental-static-build",
     "preview": "astro preview"
   },
   "devDependencies": {
diff --git a/examples/cool-app/src/components/Greeting.vue b/examples/fast-build/src/components/Greeting.vue
similarity index 100%
rename from examples/cool-app/src/components/Greeting.vue
rename to examples/fast-build/src/components/Greeting.vue
diff --git a/examples/cool-app/src/images/penguin.jpg b/examples/fast-build/src/images/penguin.jpg
similarity index 100%
rename from examples/cool-app/src/images/penguin.jpg
rename to examples/fast-build/src/images/penguin.jpg
diff --git a/examples/cool-app/src/images/random.jpg b/examples/fast-build/src/images/random.jpg
similarity index 100%
rename from examples/cool-app/src/images/random.jpg
rename to examples/fast-build/src/images/random.jpg
diff --git a/examples/cool-app/src/pages/index.astro b/examples/fast-build/src/pages/index.astro
similarity index 100%
rename from examples/cool-app/src/pages/index.astro
rename to examples/fast-build/src/pages/index.astro
diff --git a/examples/cool-app/src/styles/global.css b/examples/fast-build/src/styles/global.css
similarity index 100%
rename from examples/cool-app/src/styles/global.css
rename to examples/fast-build/src/styles/global.css
diff --git a/packages/astro/package.json b/packages/astro/package.json
index 4617c0a6b..1335cb8c3 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -56,7 +56,7 @@
     "test": "mocha --parallel --timeout 15000"
   },
   "dependencies": {
-    "@astrojs/compiler": "^0.5.4",
+    "@astrojs/compiler": "^0.6.0",
     "@astrojs/language-server": "^0.8.2",
     "@astrojs/markdown-remark": "^0.5.0",
     "@astrojs/prism": "0.3.0",
diff --git a/packages/astro/src/@types/astro.ts b/packages/astro/src/@types/astro.ts
index 70b00b24f..cdb2771d5 100644
--- a/packages/astro/src/@types/astro.ts
+++ b/packages/astro/src/@types/astro.ts
@@ -363,6 +363,7 @@ export interface SSRElement {
 export interface SSRMetadata {
   renderers: Renderer[];
   pathname: string;
+  experimentalStaticBuild: boolean;
 }
 
 export interface SSRResult {
diff --git a/packages/astro/src/core/build/index.ts b/packages/astro/src/core/build/index.ts
index 054eee451..85da003fd 100644
--- a/packages/astro/src/core/build/index.ts
+++ b/packages/astro/src/core/build/index.ts
@@ -1,23 +1,18 @@
-import type { AstroConfig, ComponentInstance, GetStaticPathsResult, ManifestData, RouteCache, RouteData, RSSResult } from '../../@types/astro';
+import type { AstroConfig,  ManifestData, RouteCache } from '../../@types/astro';
 import type { LogOptions } from '../logger';
-import type { AllPagesData, PageBuildData } from './types';
-import type { RenderedChunk } from 'rollup';
+import type { PageBuildData } from './types';
 
-import { rollupPluginAstroBuildHTML } from '../../vite-plugin-build-html/index.js';
-import { rollupPluginAstroBuildCSS } from '../../vite-plugin-build-css/index.js';
-import { vitePluginNewBuild } from '../../vite-plugin-new-build/index.js';
 import fs from 'fs';
 import * as colors from 'kleur/colors';
 import { performance } from 'perf_hooks';
 import vite, { ViteDevServer } from '../vite.js';
-import { fileURLToPath } from 'url';
 import { createVite, ViteConfigWithSSR } from '../create-vite.js';
 import { debug, defaultLogOptions, info, levels, timerMessage, warn } from '../logger.js';
-import { preload as ssrPreload, renderComponent, getParamsAndProps } from '../ssr/index.js';
-import { generatePaginateFunction } from '../ssr/paginate.js';
-import { createRouteManifest, validateGetStaticPathsModule, validateGetStaticPathsResult } from '../ssr/routing.js';
-import { generateRssFunction } from '../ssr/rss.js';
+import { createRouteManifest } from '../ssr/routing.js';
 import { generateSitemap } from '../ssr/sitemap.js';
+import { collectPagesData } from './page-data.js';
+import { build as scanBasedBuild } from './scan-based-build.js';
+import { staticBuild } from './static-build.js';
 
 export interface BuildOptions {
   mode?: string;
@@ -77,155 +72,45 @@ class AstroBuilder {
     debug(logging, 'build', timerMessage('Vite started', timer.viteStart));
 
     timer.loadStart = performance.now();
-    const assets: Record<string, string> = {};
-    const allPages: AllPagesData = {};
-    // Collect all routes ahead-of-time, before we start the build.
-    // NOTE: This enforces that `getStaticPaths()` is only called once per route,
-    // and is then cached across all future SSR builds. In the past, we've had trouble
-    // with parallelized builds without guaranteeing that this is called first.
-    await Promise.all(
-      this.manifest.routes.map(async (route) => {
-        // static route:
-        if (route.pathname) {
-          allPages[route.component] = {
-            route,
-            paths: [route.pathname],
-            preload: await ssrPreload({
-              astroConfig: this.config,
-              filePath: new URL(`./${route.component}`, this.config.projectRoot),
-              logging,
-              mode: 'production',
-              origin,
-              pathname: route.pathname,
-              route,
-              routeCache: this.routeCache,
-              viteServer,
-            })
-              .then((routes) => {
-                const html = `${route.pathname}`.replace(/\/?$/, '/index.html');
-                debug(logging, 'build', `├── ${colors.bold(colors.green('✔'))} ${route.component} → ${colors.yellow(html)}`);
-                return routes;
-              })
-              .catch((err) => {
-                debug(logging, 'build', `├── ${colors.bold(colors.red('✘'))} ${route.component}`);
-                throw err;
-              }),
-          };
-          return;
-        }
-        // dynamic route:
-        const result = await this.getStaticPathsForRoute(route)
-          .then((routes) => {
-            const label = routes.paths.length === 1 ? 'page' : 'pages';
-            debug(logging, 'build', `├── ${colors.bold(colors.green('✔'))} ${route.component} → ${colors.magenta(`[${routes.paths.length} ${label}]`)}`);
-            return routes;
-          })
-          .catch((err) => {
-            debug(logging, 'build', `├── ${colors.bold(colors.red('✗'))} ${route.component}`);
-            throw err;
-          });
-        if (result.rss?.xml) {
-          const rssFile = new URL(result.rss.url.replace(/^\/?/, './'), this.config.dist);
-          if (assets[fileURLToPath(rssFile)]) {
-            throw new Error(`[getStaticPaths] RSS feed ${result.rss.url} already exists.\nUse \`rss(data, {url: '...'})\` to choose a unique, custom URL. (${route.component})`);
-          }
-          assets[fileURLToPath(rssFile)] = result.rss.xml;
-        }
-        allPages[route.component] = {
-          route,
-          paths: result.paths,
-          preload: await ssrPreload({
-            astroConfig: this.config,
-            filePath: new URL(`./${route.component}`, this.config.projectRoot),
-            logging,
-            mode: 'production',
-            origin,
-            pathname: result.paths[0],
-            route,
-            routeCache: this.routeCache,
-            viteServer,
-          }),
-        };
-      })
-    );
+    const { assets, allPages } = await collectPagesData({
+      astroConfig: this.config,
+      logging: this.logging,
+      manifest: this.manifest,
+      origin,
+      routeCache: this.routeCache,
+      viteServer: this.viteServer
+    });
     debug(logging, 'build', timerMessage('All pages loaded', timer.loadStart));
 
-    // Pure CSS chunks are chunks that only contain CSS.
-    // This is all of them, and chunkToReferenceIdMap maps them to a hash id used to find the final file.
-    const pureCSSChunks = new Set<RenderedChunk>();
-    const chunkToReferenceIdMap = new Map<string, string>();
-
-    // This is a mapping of pathname to the string source of all collected
-    // inline <style> for a page.
-    const astroStyleMap = new Map<string, string>();
-    // This is a virtual JS module that imports all dependent styles for a page.
-    const astroPageStyleMap = new Map<string, string>();
-
+    // The names of each pages
     const pageNames: string[] = [];
 
-    // Blah
-    const facadeIdToPageDataMap = new Map<string, PageBuildData>();
-    const facadeIdToAssetsMap = new Map<string, string[]>();
-
     // Bundle the assets in your final build: This currently takes the HTML output
     // of every page (stored in memory) and bundles the assets pointed to on those pages.
     timer.buildStart = performance.now();
-    let result = await vite.build({
-      logLevel: 'error',
-      mode: 'production',
-      build: {
-        emptyOutDir: true,
-        minify: false,// 'esbuild', // significantly faster than "terser" but may produce slightly-bigger bundles
-        outDir: fileURLToPath(this.config.dist),
-        ssr: true,
-        rollupOptions: {
-          // The `input` will be populated in the build rollup plugin.
-          input: [],
-          output: {
-            format: 'esm'
-          },
-        },
-        target: 'es2020', // must match an esbuild target
-      },
-      plugins: [
-        vitePluginNewBuild(),
-        rollupPluginAstroBuildHTML({
-          astroConfig: this.config,
-          astroPageStyleMap,
-          astroStyleMap,
-          chunkToReferenceIdMap,
-          pureCSSChunks,
-          logging,
-          origin,
-          allPages,
-          pageNames,
-          routeCache: this.routeCache,
-          viteServer,
-          facadeIdToPageDataMap,
-        }),
-        rollupPluginAstroBuildCSS({
-          astroPageStyleMap,
-          astroStyleMap,
-          chunkToReferenceIdMap,
-          pureCSSChunks,
-          facadeIdToAssetsMap,
-        }),
-        ...(viteConfig.plugins || []),
-      ],
-      publicDir: viteConfig.publicDir,
-      root: viteConfig.root,
-      envPrefix: 'PUBLIC_',
-      server: viteConfig.server,
-      base: this.config.buildOptions.site ? new URL(this.config.buildOptions.site).pathname : '/',
-    });
-    debug(logging, 'build', timerMessage('Vite build finished', timer.buildStart));
 
-    /* TODO REMOVE THIS NEW HACKY CODE */
-    console.log('End build step, now generating');
-    for(let out of (result as any).output) {
-      if(out.facadeModuleId)
-        await this.renderPages(out, facadeIdToPageDataMap, facadeIdToAssetsMap);
+    // Use the new faster static based build.
+    if(this.config.buildOptions.experimentalStaticBuild) {
+      await staticBuild({
+        allPages,
+        astroConfig: this.config,
+        logging: this.logging,
+        origin: this.origin,
+        routeCache: this.routeCache,
+        viteConfig: this.viteConfig
+      });
+    } else {
+      await scanBasedBuild({
+        allPages,
+        astroConfig: this.config,
+        logging: this.logging,
+        pageNames,
+        routeCache: this.routeCache,
+        viteConfig: this.viteConfig,
+        viteServer: this.viteServer,
+      });
     }
+    debug(logging, 'build', timerMessage('Vite build finished', timer.buildStart));
 
     // Write any additionally generated assets to disk.
     timer.assetsStart = performance.now();
@@ -255,53 +140,6 @@ class AstroBuilder {
     }
   }
 
-  private async renderPages(out: any, facadeIdToPageDataMap: Map<string, PageBuildData>, facadeIdToAssetsMap: Map<string, string[]>) {
-    let url = new URL('./' + out.fileName, this.config.dist);
-    const facadeId: string = out.facadeModuleId;
-    let pageData = facadeIdToPageDataMap.get(facadeId)!;
-    let linkIds = facadeIdToAssetsMap.get(facadeId) || [];
-    let compiledModule = await import(url.toString());
-    let Component = compiledModule.default;
-
-    const [renderers, mod] = pageData.preload;
-    
-    for(let path of pageData.paths) {
-      try {
-        const [params, pageProps] = await getParamsAndProps({
-          route: pageData.route,
-          routeCache: this.routeCache,
-          logging: this.logging,
-          pathname: path,
-          mod
-        })
-        console.log(`Generating: ${path}`);
-        let html = await renderComponent(renderers, Component, this.config, path, this.origin, params, pageProps, linkIds);
-        let outFolder = new URL('.' + path + '/', this.config.dist);
-        let outFile = new URL('./index.html', outFolder);
-        await fs.promises.mkdir(outFolder, { recursive: true });
-        await fs.promises.writeFile(outFile, html, 'utf-8');
-      } catch(err) {
-        console.error("did not work", err);
-      }
-    }
-  }
-
-  /** Extract all static paths from a dynamic route */
-  private async getStaticPathsForRoute(route: RouteData): Promise<{ paths: string[]; rss?: RSSResult }> {
-    if (!this.viteServer) throw new Error(`vite.createServer() not called!`);
-    const filePath = new URL(`./${route.component}`, this.config.projectRoot);
-    const mod = (await this.viteServer.ssrLoadModule(fileURLToPath(filePath))) as ComponentInstance;
-    validateGetStaticPathsModule(mod);
-    const rss = generateRssFunction(this.config.buildOptions.site, route);
-    const staticPaths: GetStaticPathsResult = (await mod.getStaticPaths!({ paginate: generatePaginateFunction(route), rss: rss.generator })).flat();
-    this.routeCache[route.component] = staticPaths;
-    validateGetStaticPathsResult(staticPaths, this.logging);
-    return {
-      paths: staticPaths.map((staticPath) => staticPath.params && route.generate(staticPath.params)).filter(Boolean),
-      rss: rss.rss,
-    };
-  }
-
   /** Stats */
   private async printStats({ logging, timeStart, pageCount }: { logging: LogOptions; timeStart: number; pageCount: number }) {
     /* eslint-disable no-console */
diff --git a/packages/astro/src/core/build/internal.ts b/packages/astro/src/core/build/internal.ts
new file mode 100644
index 000000000..6e747587c
--- /dev/null
+++ b/packages/astro/src/core/build/internal.ts
@@ -0,0 +1,45 @@
+import type { RenderedChunk } from 'rollup';
+
+export interface BuildInternals {
+  // Pure CSS chunks are chunks that only contain CSS.
+  pureCSSChunks: Set<RenderedChunk>;
+  // chunkToReferenceIdMap maps them to a hash id used to find the final file.
+  chunkToReferenceIdMap: Map<string, string>;
+
+  // This is a mapping of pathname to the string source of all collected
+  // inline <style> for a page.
+  astroStyleMap: Map<string, string>;
+  // This is a virtual JS module that imports all dependent styles for a page.
+  astroPageStyleMap: Map<string, string>;
+
+  // A mapping to entrypoints (facadeId) to assets (styles) that are added.
+  facadeIdToAssetsMap: Map<string, string[]>;
+}
+
+/**
+ * Creates internal maps used to coordinate the CSS and HTML plugins.
+ * @returns {BuildInternals}
+ */
+export function createBuildInternals(): BuildInternals {
+    // Pure CSS chunks are chunks that only contain CSS.
+  // This is all of them, and chunkToReferenceIdMap maps them to a hash id used to find the final file.
+  const pureCSSChunks = new Set<RenderedChunk>();
+  const chunkToReferenceIdMap = new Map<string, string>();
+
+  // This is a mapping of pathname to the string source of all collected
+  // inline <style> for a page.
+  const astroStyleMap = new Map<string, string>();
+  // This is a virtual JS module that imports all dependent styles for a page.
+  const astroPageStyleMap = new Map<string, string>();
+
+  // A mapping to entrypoints (facadeId) to assets (styles) that are added.
+  const facadeIdToAssetsMap = new Map<string, string[]>();
+
+  return {
+    pureCSSChunks,
+    chunkToReferenceIdMap,
+    astroStyleMap,
+    astroPageStyleMap,
+    facadeIdToAssetsMap,
+  };
+}
\ No newline at end of file
diff --git a/packages/astro/src/core/build/page-data.ts b/packages/astro/src/core/build/page-data.ts
new file mode 100644
index 000000000..4b914bd83
--- /dev/null
+++ b/packages/astro/src/core/build/page-data.ts
@@ -0,0 +1,122 @@
+import type { AstroConfig, ComponentInstance, GetStaticPathsResult, ManifestData, RouteCache, RouteData, RSSResult } from '../../@types/astro';
+import type { AllPagesData } from './types';
+import type { LogOptions } from '../logger';
+import type { ViteDevServer } from 'vite';
+
+import { fileURLToPath } from 'url';
+import * as colors from 'kleur/colors';
+import { debug } from '../logger.js';
+import { preload as ssrPreload } from '../ssr/index.js';
+import { validateGetStaticPathsModule, validateGetStaticPathsResult } from '../ssr/routing.js';
+import { generatePaginateFunction } from '../ssr/paginate.js';
+import { generateRssFunction } from '../ssr/rss.js';
+
+export interface CollectPagesDataOptions {
+  astroConfig: AstroConfig;
+  logging: LogOptions;
+  manifest: ManifestData;
+  origin: string;
+  routeCache: RouteCache;
+  viteServer: ViteDevServer;
+}
+
+export interface CollectPagesDataResult {
+  assets: Record<string, string>;
+  allPages: AllPagesData;
+}
+
+// Examines the routes and returns a collection of information about each page.
+export async function collectPagesData(opts: CollectPagesDataOptions): Promise<CollectPagesDataResult> {
+  const { astroConfig, logging, manifest, origin, routeCache, viteServer } = opts;
+
+  const assets: Record<string, string> = {};
+  const allPages: AllPagesData = {};
+
+  // Collect all routes ahead-of-time, before we start the build.
+  // NOTE: This enforces that `getStaticPaths()` is only called once per route,
+  // and is then cached across all future SSR builds. In the past, we've had trouble
+  // with parallelized builds without guaranteeing that this is called first.
+  await Promise.all(
+    manifest.routes.map(async (route) => {
+      // static route:
+      if (route.pathname) {
+        allPages[route.component] = {
+          route,
+          paths: [route.pathname],
+          preload: await ssrPreload({
+            astroConfig,
+            filePath: new URL(`./${route.component}`, astroConfig.projectRoot),
+            logging,
+            mode: 'production',
+            origin,
+            pathname: route.pathname,
+            route,
+            routeCache,
+            viteServer,
+          })
+            .then((routes) => {
+              const html = `${route.pathname}`.replace(/\/?$/, '/index.html');
+              debug(logging, 'build', `├── ${colors.bold(colors.green('✔'))} ${route.component} → ${colors.yellow(html)}`);
+              return routes;
+            })
+            .catch((err) => {
+              debug(logging, 'build', `├── ${colors.bold(colors.red('✘'))} ${route.component}`);
+              throw err;
+            }),
+        };
+        return;
+      }
+      // dynamic route:
+      const result = await getStaticPathsForRoute(opts, route)
+        .then((routes) => {
+          const label = routes.paths.length === 1 ? 'page' : 'pages';
+          debug(logging, 'build', `├── ${colors.bold(colors.green('✔'))} ${route.component} → ${colors.magenta(`[${routes.paths.length} ${label}]`)}`);
+          return routes;
+        })
+        .catch((err) => {
+          debug(logging, 'build', `├── ${colors.bold(colors.red('✗'))} ${route.component}`);
+          throw err;
+        });
+      if (result.rss?.xml) {
+        const rssFile = new URL(result.rss.url.replace(/^\/?/, './'), astroConfig.dist);
+        if (assets[fileURLToPath(rssFile)]) {
+          throw new Error(`[getStaticPaths] RSS feed ${result.rss.url} already exists.\nUse \`rss(data, {url: '...'})\` to choose a unique, custom URL. (${route.component})`);
+        }
+        assets[fileURLToPath(rssFile)] = result.rss.xml;
+      }
+      allPages[route.component] = {
+        route,
+        paths: result.paths,
+        preload: await ssrPreload({
+          astroConfig,
+          filePath: new URL(`./${route.component}`, astroConfig.projectRoot),
+          logging,
+          mode: 'production',
+          origin,
+          pathname: result.paths[0],
+          route,
+          routeCache,
+          viteServer,
+        }),
+      };
+    })
+  );
+
+  return { assets, allPages };
+}
+
+async function getStaticPathsForRoute(opts: CollectPagesDataOptions, route: RouteData): Promise<{ paths: string[]; rss?: RSSResult }> {
+  const { astroConfig, logging, routeCache, viteServer } = opts;
+  if (!viteServer) throw new Error(`vite.createServer() not called!`);
+  const filePath = new URL(`./${route.component}`, astroConfig.projectRoot);
+  const mod = (await viteServer.ssrLoadModule(fileURLToPath(filePath))) as ComponentInstance;
+  validateGetStaticPathsModule(mod);
+  const rss = generateRssFunction(astroConfig.buildOptions.site, route);
+  const staticPaths: GetStaticPathsResult = (await mod.getStaticPaths!({ paginate: generatePaginateFunction(route), rss: rss.generator })).flat();
+  routeCache[route.component] = staticPaths;
+  validateGetStaticPathsResult(staticPaths, logging);
+  return {
+    paths: staticPaths.map((staticPath) => staticPath.params && route.generate(staticPath.params)).filter(Boolean),
+    rss: rss.rss,
+  };
+}
\ No newline at end of file
diff --git a/packages/astro/src/core/build/scan-based-build.ts b/packages/astro/src/core/build/scan-based-build.ts
new file mode 100644
index 000000000..61ffa694b
--- /dev/null
+++ b/packages/astro/src/core/build/scan-based-build.ts
@@ -0,0 +1,69 @@
+import type { RenderedChunk } from 'rollup';
+import type { ViteDevServer } from 'vite';
+import type { AstroConfig, RouteCache } from '../../@types/astro';
+import type { AllPagesData } from './types';
+import type { LogOptions } from '../logger';
+import type { ViteConfigWithSSR } from '../create-vite.js';
+
+import { fileURLToPath } from 'url';
+import vite from '../vite.js';
+import { createBuildInternals } from '../../core/build/internal.js';
+import { rollupPluginAstroBuildHTML } from '../../vite-plugin-build-html/index.js';
+import { rollupPluginAstroBuildCSS } from '../../vite-plugin-build-css/index.js';
+
+export interface ScanBasedBuildOptions {
+  allPages: AllPagesData;
+  astroConfig: AstroConfig;
+  logging: LogOptions;
+  pageNames: string[];
+  routeCache: RouteCache;
+  viteConfig: ViteConfigWithSSR;
+  viteServer: ViteDevServer;
+}
+
+export async function build(opts: ScanBasedBuildOptions) {
+  const { allPages, astroConfig, logging, pageNames, routeCache, viteConfig, viteServer } = opts;
+
+  // Internal maps used to coordinate the HTML and CSS plugins.
+  const internals = createBuildInternals();
+
+  return await vite.build({
+    logLevel: 'error',
+    mode: 'production',
+    build: {
+      emptyOutDir: true,
+      minify: false,// 'esbuild', // significantly faster than "terser" but may produce slightly-bigger bundles
+      outDir: fileURLToPath(astroConfig.dist),
+      ssr: true,
+      rollupOptions: {
+        // The `input` will be populated in the build rollup plugin.
+        input: [],
+        output: {
+          format: 'esm'
+        },
+      },
+      target: 'es2020', // must match an esbuild target
+    },
+    plugins: [
+      rollupPluginAstroBuildHTML({
+        astroConfig,
+        internals,
+        logging,
+        origin,
+        allPages,
+        pageNames,
+        routeCache,
+        viteServer,
+      }),
+      rollupPluginAstroBuildCSS({
+        internals
+      }),
+      ...(viteConfig.plugins || []),
+    ],
+    publicDir: viteConfig.publicDir,
+    root: viteConfig.root,
+    envPrefix: 'PUBLIC_',
+    server: viteConfig.server,
+    base: astroConfig.buildOptions.site ? new URL(astroConfig.buildOptions.site).pathname : '/',
+  });
+}
\ No newline at end of file
diff --git a/packages/astro/src/core/build/static-build.ts b/packages/astro/src/core/build/static-build.ts
new file mode 100644
index 000000000..92e66d4be
--- /dev/null
+++ b/packages/astro/src/core/build/static-build.ts
@@ -0,0 +1,193 @@
+import type { OutputChunk, PreRenderedChunk, RollupOutput } from 'rollup';
+import type { Plugin as VitePlugin, ViteDevServer } from '../vite';
+import type { AstroConfig, RouteCache } from '../../@types/astro';
+import type { AllPagesData } from './types';
+import type { LogOptions } from '../logger';
+import type { ViteConfigWithSSR } from '../create-vite';
+import type { PageBuildData } from './types';
+import type { BuildInternals } from '../../core/build/internal.js';
+import type { AstroComponentFactory } from '../../runtime/server';
+
+import fs from 'fs';
+import { fileURLToPath } from 'url';
+import vite from '../vite.js';
+import { info } from '../../core/logger.js';
+import { createBuildInternals } from '../../core/build/internal.js';
+import { rollupPluginAstroBuildCSS } from '../../vite-plugin-build-css/index.js';
+import { renderComponent, getParamsAndProps } from '../ssr/index.js';
+
+export interface StaticBuildOptions {
+  allPages: AllPagesData;
+  astroConfig: AstroConfig;
+  logging: LogOptions;
+  origin: string;
+  routeCache: RouteCache;
+  viteConfig: ViteConfigWithSSR;
+}
+
+export async function staticBuild(opts: StaticBuildOptions) {
+  const { allPages, astroConfig } = opts;
+
+  // The JavaScript entrypoints.
+  const jsInput: Set<string> = new Set();
+
+  // A map of each page .astro file, to the PageBuildData which contains information
+  // about that page, such as its paths.
+  const facadeIdToPageDataMap = new Map<string, PageBuildData>();
+
+  for (const [component, pageData] of Object.entries(allPages)) {
+    const [renderers, mod] = pageData.preload;
+
+    // Hydrated components are statically identified.
+    for (const path of mod.$$metadata.getAllHydratedComponentPaths()) {
+      // Note that this part is not yet implemented in the static build.
+      //jsInput.add(path);
+    }
+
+    let astroModuleId = new URL('./' + component, astroConfig.projectRoot).pathname;
+    jsInput.add(astroModuleId);
+    facadeIdToPageDataMap.set(astroModuleId, pageData);
+  }
+
+  // Build internals needed by the CSS plugin
+  const internals = createBuildInternals();
+
+  // Perform the SSR build
+  const result = (await ssrBuild(opts, internals, jsInput) as RollupOutput);
+
+  // Generate each of the pages.
+  await generatePages(result, opts, internals, facadeIdToPageDataMap);
+}
+
+async function ssrBuild(opts: StaticBuildOptions, internals: BuildInternals, input: Set<string>) {
+  const { astroConfig, viteConfig } = opts;
+  
+  return await vite.build({
+    logLevel: 'error',
+    mode: 'production',
+    build: {
+      emptyOutDir: true,
+      minify: false,// 'esbuild', // significantly faster than "terser" but may produce slightly-bigger bundles
+      outDir: fileURLToPath(astroConfig.dist),
+      ssr: true,
+      rollupOptions: {
+        input: Array.from(input),
+        output: {
+          format: 'esm'
+        },
+      },
+      target: 'es2020', // must match an esbuild target
+    },
+    plugins: [
+      vitePluginNewBuild(),
+      rollupPluginAstroBuildCSS({
+        internals
+      }),
+      ...(viteConfig.plugins || []),
+    ],
+    publicDir: viteConfig.publicDir,
+    root: viteConfig.root,
+    envPrefix: 'PUBLIC_',
+    server: viteConfig.server,
+    base: astroConfig.buildOptions.site ? new URL(astroConfig.buildOptions.site).pathname : '/',
+  });
+}
+
+async function generatePages(result: RollupOutput, opts: StaticBuildOptions, internals: BuildInternals, facadeIdToPageDataMap: Map<string, PageBuildData>) {
+  console.log('End build step, now generating');
+  const generationPromises = [];
+  for(let output of result.output) {
+    if(output.type === 'chunk' && output.facadeModuleId) {
+      generationPromises.push(
+        generatePage(output, opts, internals, facadeIdToPageDataMap)
+      );
+    }
+  }
+  await Promise.all(generationPromises);
+}
+
+
+async function generatePage(output: OutputChunk, opts: StaticBuildOptions, internals: BuildInternals, facadeIdToPageDataMap: Map<string, PageBuildData>) {
+  const { astroConfig } = opts;
+
+  let url = new URL('./' + output.fileName, astroConfig.dist);
+  const facadeId: string = output.facadeModuleId as string;
+  let pageData = facadeIdToPageDataMap.get(facadeId)!;
+  let linkIds = internals.facadeIdToAssetsMap.get(facadeId) || [];
+  let compiledModule = await import(url.toString());
+  let Component = compiledModule.default;
+
+  const generationOptions: Readonly<GeneratePathOptions> = {
+    pageData,
+    linkIds,
+    Component
+  };
+  
+  const renderPromises = pageData.paths.map(path => {
+    return generatePath(path, opts, generationOptions)
+  });
+  return await Promise.all(renderPromises);
+}
+
+interface GeneratePathOptions {
+  pageData: PageBuildData;
+  linkIds: string[];
+  Component: AstroComponentFactory;
+}
+
+async function generatePath(path: string, opts: StaticBuildOptions, gopts: GeneratePathOptions) {
+  const { astroConfig, logging, origin, routeCache } = opts;
+  const { Component, linkIds, pageData } = gopts;
+
+  const [renderers, mod] = pageData.preload;
+
+  try {
+    const [params, pageProps] = await getParamsAndProps({
+      route: pageData.route,
+      routeCache,
+      logging,
+      pathname: path,
+      mod
+    });
+
+    info(logging, 'generate', `Generating: ${path}`);
+
+    const html = await renderComponent(renderers, Component, astroConfig, path, origin, params, pageProps, linkIds);
+    const outFolder = new URL('.' + path + '/', astroConfig.dist);
+    const outFile = new URL('./index.html', outFolder);
+    await fs.promises.mkdir(outFolder, { recursive: true });
+    await fs.promises.writeFile(outFile, html, 'utf-8');
+
+  } catch(err) {
+    console.error(`Error rendering:`, err);
+  }
+}
+
+
+
+export function vitePluginNewBuild(): VitePlugin {
+  return {
+    name: '@astro/rollup-plugin-new-build',
+
+    configResolved(resolvedConfig) {
+      // Delete this hook because it causes assets not to be built
+      const plugins = resolvedConfig.plugins as VitePlugin[];
+      const viteAsset = plugins.find((p) => p.name === 'vite:asset');
+      if(viteAsset) {
+        delete viteAsset.generateBundle;
+      }
+    },
+
+    outputOptions(outputOptions) {
+      Object.assign(outputOptions, {
+        entryFileNames(_chunk: PreRenderedChunk) {
+          return 'assets/[name].[hash].mjs';
+        },
+        chunkFileNames(_chunk: PreRenderedChunk) {
+          return 'assets/[name].[hash].mjs';
+        }
+      });
+      return outputOptions;
+    },
+  }
+}
\ No newline at end of file
diff --git a/packages/astro/src/runtime/server/index.ts b/packages/astro/src/runtime/server/index.ts
index 5b7c7e804..f6c55d34a 100644
--- a/packages/astro/src/runtime/server/index.ts
+++ b/packages/astro/src/runtime/server/index.ts
@@ -372,7 +372,8 @@ const uniqueElements = (item: any, index: number, all: any[]) => {
 // styles and scripts into the head.
 export async function renderPage(result: SSRResult, Component: AstroComponentFactory, props: any, children: any) {
   const template = await renderToString(result, Component, props, children);
-  const styles = Array.from(result.styles)
+  const styles = result._metadata.experimentalStaticBuild ? [] :
+     Array.from(result.styles)
     .filter(uniqueElements)
     .map((style) =>
       renderElement('style', {
diff --git a/packages/astro/src/vite-plugin-astro/compile.ts b/packages/astro/src/vite-plugin-astro/compile.ts
index 9ae1d1752..1e2ca184e 100644
--- a/packages/astro/src/vite-plugin-astro/compile.ts
+++ b/packages/astro/src/vite-plugin-astro/compile.ts
@@ -45,6 +45,8 @@ async function compile(config: AstroConfig, filename: string, source: string, vi
     sourcefile: filename,
     sourcemap: 'both',
     internalURL: 'astro/internal',
+    experimentalStaticExtraction: config.buildOptions.experimentalStaticBuild,
+    // TODO add experimental flag here
     preprocessStyle: async (value: string, attrs: Record<string, string>) => {
       const lang = `.${attrs?.lang || 'css'}`.toLowerCase();
       try {
diff --git a/packages/astro/src/vite-plugin-build-css/index.ts b/packages/astro/src/vite-plugin-build-css/index.ts
index 9648376ec..1c42a9a51 100644
--- a/packages/astro/src/vite-plugin-build-css/index.ts
+++ b/packages/astro/src/vite-plugin-build-css/index.ts
@@ -1,9 +1,10 @@
 import type { RenderedChunk } from 'rollup';
-import { Plugin as VitePlugin } from '../core/vite';
+import type { BuildInternals } from '../core/build/internal';
 
-import { STYLE_EXTENSIONS } from '../core/ssr/css.js';
 import * as path from 'path';
 import esbuild from 'esbuild';
+import { Plugin as VitePlugin } from '../core/vite';
+import { STYLE_EXTENSIONS } from '../core/ssr/css.js';
 
 const PLUGIN_NAME = '@astrojs/rollup-plugin-build-css';
 
@@ -45,15 +46,11 @@ function isPageStyleVirtualModule(id: string) {
 }
 
 interface PluginOptions {
-  astroStyleMap: Map<string, string>;
-  astroPageStyleMap: Map<string, string>;
-  chunkToReferenceIdMap: Map<string, string>;
-  pureCSSChunks: Set<RenderedChunk>;
-  facadeIdToAssetsMap: Map<string, string[]>;
+  internals: BuildInternals;
 }
 
 export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
-  const { astroPageStyleMap, astroStyleMap, chunkToReferenceIdMap, pureCSSChunks, facadeIdToAssetsMap } = options;
+  const { internals } = options;
   const styleSourceMap = new Map<string, string>();
 
   return {
@@ -95,10 +92,10 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
 
     async load(id) {
       if (isPageStyleVirtualModule(id)) {
-        return astroPageStyleMap.get(id) || null;
+        return internals.astroPageStyleMap.get(id) || null;
       }
       if (isStyleVirtualModule(id)) {
-        return astroStyleMap.get(id) || null;
+        return internals.astroStyleMap.get(id) || null;
       }
       return null;
     },
@@ -128,7 +125,7 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
       // if (!chunkCSS) return null; // don’t output empty .css files
 
       if (isPureCSS) {
-        pureCSSChunks.add(chunk);
+        internals.pureCSSChunks.add(chunk);
       }
 
       const { code: minifiedCSS } = await esbuild.transform(chunkCSS, {
@@ -141,13 +138,13 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
         source: minifiedCSS,
       });
       
-      chunkToReferenceIdMap.set(chunk.fileName, referenceId);
+      internals.chunkToReferenceIdMap.set(chunk.fileName, referenceId);
       if(chunk.type === 'chunk') {
         const facadeId = chunk.facadeModuleId!;
-        if(!facadeIdToAssetsMap.has(facadeId)) {
-          facadeIdToAssetsMap.set(facadeId, []);
+        if(!internals.facadeIdToAssetsMap.has(facadeId)) {
+          internals.facadeIdToAssetsMap.set(facadeId, []);
         }
-        facadeIdToAssetsMap.get(facadeId)!.push(this.getFileName(referenceId));
+        internals.facadeIdToAssetsMap.get(facadeId)!.push(this.getFileName(referenceId));
       }
 
       return null;
@@ -155,8 +152,8 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
 
     // Delete CSS chunks so JS is not produced for them.
     generateBundle(opts, bundle) {
-      if (pureCSSChunks.size) {
-        const pureChunkFilenames = new Set([...pureCSSChunks].map((chunk) => chunk.fileName));
+      if (internals.pureCSSChunks.size) {
+        const pureChunkFilenames = new Set([...internals.pureCSSChunks].map((chunk) => chunk.fileName));
         const emptyChunkFiles = [...pureChunkFilenames]
           .map((file) => path.basename(file))
           .join('|')
@@ -165,7 +162,7 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
 
         for (const [chunkId, chunk] of Object.entries(bundle)) {
           if (chunk.type === 'chunk') {
-            if (pureCSSChunks.has(chunk)) {
+            if (internals.pureCSSChunks.has(chunk)) {
               // Delete pure CSS chunks, these are JavaScript chunks that only import
               // other CSS files, so are empty at the end of bundling.
               delete bundle[chunkId];
diff --git a/packages/astro/src/vite-plugin-build-html/index.ts b/packages/astro/src/vite-plugin-build-html/index.ts
index f1d44a19a..0393cb521 100644
--- a/packages/astro/src/vite-plugin-build-html/index.ts
+++ b/packages/astro/src/vite-plugin-build-html/index.ts
@@ -1,8 +1,9 @@
 import type { AstroConfig, RouteCache } from '../@types/astro';
 import type { LogOptions } from '../core/logger';
 import type { ViteDevServer, Plugin as VitePlugin } from '../core/vite';
-import type { OutputChunk, PreRenderedChunk, RenderedChunk } from 'rollup';
-import type { AllPagesData, PageBuildData } from '../core/build/types';
+import type { OutputChunk, PreRenderedChunk } from 'rollup';
+import type { AllPagesData } from '../core/build/types';
+import type { BuildInternals } from '../core/build/internal';
 import parse5 from 'parse5';
 import srcsetParse from 'srcset-parse';
 import * as npath from 'path';
@@ -26,22 +27,17 @@ const STATUS_CODE_RE = /^404$/;
 
 interface PluginOptions {
   astroConfig: AstroConfig;
-  astroStyleMap: Map<string, string>;
-  astroPageStyleMap: Map<string, string>;
-  chunkToReferenceIdMap: Map<string, string>;
+  internals: BuildInternals;
   logging: LogOptions;
   allPages: AllPagesData;
   pageNames: string[];
-  pureCSSChunks: Set<RenderedChunk>;
   origin: string;
   routeCache: RouteCache;
   viteServer: ViteDevServer;
-
-  facadeIdToPageDataMap: Map<string, PageBuildData>;
 }
 
 export function rollupPluginAstroBuildHTML(options: PluginOptions): VitePlugin {
-  const { astroConfig, astroStyleMap, astroPageStyleMap, chunkToReferenceIdMap, pureCSSChunks, logging, origin, allPages, routeCache, viteServer, pageNames } = options;
+  const { astroConfig, internals, logging, origin, allPages, routeCache, viteServer, pageNames } = options;
 
   // The filepath root of the src folder
   const srcRoot = astroConfig.src.pathname;
@@ -74,16 +70,10 @@ export function rollupPluginAstroBuildHTML(options: PluginOptions): VitePlugin {
 
         // Hydrated components are statically identified.
         for (const path of mod.$$metadata.getAllHydratedComponentPaths()) {
-          //jsInput.add(path);
+          jsInput.add(path);
         }
 
-        let astroModuleId = new URL('./' + component, astroConfig.projectRoot).pathname;
-        jsInput.add(astroModuleId);
-        options.facadeIdToPageDataMap.set(astroModuleId, pageData);
-
         for (const pathname of pageData.paths) {
-
-          /*
           pageNames.push(pathname.replace(/\/?$/, '/index.html').replace(/^\//, ''));
           const id = ASTRO_PAGE_PREFIX + pathname;
           const html = await ssrRender(renderers, mod, {
@@ -169,7 +159,7 @@ export function rollupPluginAstroBuildHTML(options: PluginOptions): VitePlugin {
 
           if (styles) {
             const styleId = getAstroStyleId(pathname);
-            astroStyleMap.set(styleId, styles);
+            internals.astroStyleMap.set(styleId, styles);
             // Put this at the front of imports
             assetImports.unshift(styleId);
           }
@@ -183,7 +173,7 @@ export function rollupPluginAstroBuildHTML(options: PluginOptions): VitePlugin {
           if (assetImports.length) {
             const pageStyleId = getAstroPageStyleId(pathname);
             const jsSource = assetImports.map((sid) => `import '${sid}';`).join('\n');
-            astroPageStyleMap.set(pageStyleId, jsSource);
+            internals.astroPageStyleMap.set(pageStyleId, jsSource);
             assetInput.add(pageStyleId);
 
             // preserve asset order in the order we encounter them
@@ -191,8 +181,6 @@ export function rollupPluginAstroBuildHTML(options: PluginOptions): VitePlugin {
               if (!pageStyleImportOrder.includes(assetHref)) pageStyleImportOrder.push(assetHref);
             }
           }
-
-          */
         }
       }
 
@@ -243,12 +231,9 @@ export function rollupPluginAstroBuildHTML(options: PluginOptions): VitePlugin {
             if (!pageName) {
               pageName = 'index';
             }
-            return `assets/${pageName}.[hash].mjs`;
+            return `assets/${pageName}.[hash].js`;
           }
-          return 'assets/[name].[hash].mjs';
-        },
-        chunkFileNames(chunk: PreRenderedChunk) {
-          return 'assets/[name].[hash].mjs';
+          return 'assets/[name].[hash].js';
         }
       });
       return outputOptions;
@@ -281,7 +266,7 @@ export function rollupPluginAstroBuildHTML(options: PluginOptions): VitePlugin {
 
       // Sort CSS in order of appearance in HTML (pageStyleImportOrder)
       // This is the “global ordering” used below
-      const sortedCSSChunks = [...pureCSSChunks];
+      const sortedCSSChunks = [...internals.pureCSSChunks];
       sortedCSSChunks.sort((a, b) => {
         let aIndex = Math.min(
           ...Object.keys(a.modules).map((id) => {
@@ -311,7 +296,7 @@ export function rollupPluginAstroBuildHTML(options: PluginOptions): VitePlugin {
 
         const referenceIDs: string[] = [];
         for (const chunkID of chunkModules) {
-          const referenceID = chunkToReferenceIdMap.get(chunkID);
+          const referenceID = internals.chunkToReferenceIdMap.get(chunkID);
           if (referenceID) referenceIDs.push(referenceID);
         }
         for (const id of Object.keys(chunk.modules)) {
diff --git a/packages/astro/src/vite-plugin-new-build/index.ts b/packages/astro/src/vite-plugin-new-build/index.ts
deleted file mode 100644
index a9160afcb..000000000
--- a/packages/astro/src/vite-plugin-new-build/index.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-import type { Plugin as VitePlugin } from '../core/vite';
-
-export function vitePluginNewBuild(): VitePlugin {
-  return {
-    name: '@astro/rollup-plugin-new-build',
-
-    configResolved(resolvedConfig) {
-      // Delete this hook because it causes assets not to be built
-      const plugins = resolvedConfig.plugins as VitePlugin[];
-      const viteAsset = plugins.find((p) => p.name === 'vite:asset');
-      if(viteAsset) {
-        delete viteAsset.generateBundle;
-      }
-    }
-  }
-}
\ No newline at end of file