Build @cloudflare/pages-shared (#10648)

* Build @cloudflare/pages-shared

* Update .changeset/twelve-hands-throw.md

---------

Co-authored-by: Somhairle MacLeòid <[email protected]>

Author: GregBrimble

.changeset/twelve-hands-throw.md

@@ -0,0 +1,5 @@
+---
+"@cloudflare/pages-shared": patch
+---
+
+Build `@cloudflare/pages-shared`. `@cloudflare/pages-shared/dist` now contains a build and bundled copy of `asset-server` and `metadata-generator`.

packages/pages-shared/package.json

@@ -7,14 +7,17 @@
 		"directory": "packages/pages-shared"
 	},
 	"files": [
+		"./dist/",
 		"tsconfig.json",
 		"asset-server/**/*",
 		"environment-polyfills/**/*",
 		"metadata-generator/**/*"
 	],
 	"scripts": {
+		"build": "node -r esbuild-register ./scripts/build.ts",
 		"check:lint": "eslint . --max-warnings=0",
 		"check:type": "tsc",
+		"prepack": "npm run build",
 		"test": "vitest run",
 		"test:ci": "vitest run"
 	},
@@ -27,8 +30,11 @@
 		"@cloudflare/workers-tsconfig": "workspace:*",
 		"@cloudflare/workers-types": "catalog:default",
 		"concurrently": "^8.2.2",
+		"esbuild": "catalog:default",
 		"glob": "^10.4.5",
 		"html-rewriter-wasm": "^0.4.1",
+		"rimraf": "catalog:default",
+		"typescript": "catalog:default",
 		"vitest": "catalog:default"
 	},
 	"volta": {

packages/pages-shared/scripts/build.ts

@@ -0,0 +1,49 @@
+import { execFileSync } from "child_process";
+import { rmSync } from "fs";
+import path from "path";
+import * as esbuild from "esbuild";
+
+function resolve(...segments: string[]) {
+	return path.resolve(__dirname, "..", ...segments);
+}
+
+async function main() {
+	try {
+		rmSync(resolve("dist"), { recursive: true });
+	} catch {}
+
+	console.log("Building asset-server...");
+	await esbuild.build({
+		entryPoints: ["asset-server/**/*"],
+		format: "esm",
+		bundle: true,
+		sourcemap: "external",
+		external: ["cloudflare:*", "node:*"],
+		outdir: resolve("dist/asset-server/"),
+	});
+
+	console.log("Building metadata-generator...");
+	await esbuild.build({
+		entryPoints: ["metadata-generator/**/*"],
+		format: "esm",
+		bundle: true,
+		sourcemap: "external",
+		external: ["cloudflare:*", "node:*"],
+		outdir: resolve("dist/metadata-generator"),
+	});
+
+	console.log("Generating types...");
+	execFileSync("tsc", ["-p", "tsconfig.build.json"], {
+		stdio: "inherit",
+		shell: true,
+	});
+
+	console.log("\n✅ Build completed.");
+}
+
+main()
+	.then(() => process.exit(0))
+	.catch((e) => {
+		console.error(e);
+		process.exit(1);
+	});

packages/pages-shared/tsconfig.build.json

@@ -0,0 +1,12 @@
+{
+	"extends": "./tsconfig.json",
+	"compilerOptions": {
+		"emitDeclarationOnly": true,
+		"outDir": "./dist/",
+		"declaration": true,
+		"declarationMap": true,
+		"noEmit": false
+	},
+	"include": ["./**/*.ts"],
+	"exclude": ["./dist/"]
+}

packages/pages-shared/turbo.json

@@ -0,0 +1,9 @@
+{
+	"$schema": "http://turbo.build/schema.json",
+	"extends": ["//"],
+	"tasks": {
+		"build": {
+			"outputs": ["dist/**"]
+		}
+	}
+}