Switch to capnp-es (#7788)

.changeset/neat-foxes-cheer.md

@@ -0,0 +1,5 @@
+---
+"miniflare": patch
+---
+
+Switch to `capnp-es` over `capnp-ts`

.prettierignore

@@ -26,6 +26,8 @@ packages/create-cloudflare/templates*/**/*.*
 packages/create-cloudflare/templates*/hello-world/**/worker-configuration.d.ts
 packages/chrome-devtools-patches/devtools-frontend
 
+packages/vitest-pool-workers/scripts/rtti/rtti.js
+
 # dist-functions are generated in the fixtures/vitest-pool-workers-examples/pages-functions-unit-integration-self folder
 dist-functions
 
@@ -45,4 +47,4 @@ fixtures/interactive-dev-tests/src/startup-error.ts
 fixtures/pages-redirected-config/build/*
 fixtures/redirected-config-worker/build/*
 
-packages/vite-plugin-cloudflare/playground/**/*.d.ts
+packages/vite-plugin-cloudflare/playground/**/*.d.ts

package.json

@@ -80,7 +80,6 @@
 		},
 		"patchedDependencies": {
 			"@cloudflare/component-listbox@1.10.6": "patches/@cloudflare__component-listbox@1.10.6.patch",
-			"capnp-ts@0.7.0": "patches/capnp-ts@0.7.0.patch",
 			"pg@8.11.3": "patches/pg@8.11.3.patch",
 			"toucan-js@3.3.1": "patches/toucan-js@3.3.1.patch"
 		}

packages/miniflare/package.json

@@ -31,7 +31,7 @@
 	],
 	"scripts": {
 		"build": "node scripts/build.mjs && pnpm run types:build",
-		"capnp:workerd": "capnpc -o ts src/runtime/config/workerd.capnp",
+		"capnp:workerd": "node scripts/build-capnp.mjs",
 		"check:lint": "eslint --max-warnings=0 \"{src,test}/**/*.ts\" \"scripts/**/*.{js,mjs}\" \"types/**/*.ts\"",
 		"check:type": "tsc",
 		"clean": "rimraf ./dist ./dist-types",
@@ -45,7 +45,6 @@
 		"@cspotcode/source-map-support": "0.8.1",
 		"acorn": "^8.8.0",
 		"acorn-walk": "^8.2.0",
-		"capnp-ts": "^0.7.0",
 		"exit-hook": "^2.2.1",
 		"glob-to-regexp": "^0.4.1",
 		"stoppable": "^1.1.0",
@@ -61,7 +60,7 @@
 		"@cloudflare/workers-shared": "workspace:*",
 		"@cloudflare/workers-types": "^4.20250121.0",
 		"@cloudflare/workflows-shared": "workspace:*",
-		"@microsoft/api-extractor": "^7.47.0",
+		"@microsoft/api-extractor": "7.49.1",
 		"@types/debug": "^4.1.7",
 		"@types/estree": "^1.0.0",
 		"@types/glob-to-regexp": "^0.4.1",
@@ -74,7 +73,7 @@
 		"@typescript-eslint/eslint-plugin": "^6.9.0",
 		"@typescript-eslint/parser": "^6.9.0",
 		"ava": "^6.0.1",
-		"capnpc-ts": "^0.7.0",
+		"capnp-es": "^0.0.7",
 		"concurrently": "^8.2.2",
 		"devalue": "^4.3.0",
 		"devtools-protocol": "^0.0.1182435",
@@ -92,6 +91,7 @@
 		"pretty-bytes": "^6.0.0",
 		"rimraf": "catalog:default",
 		"source-map": "^0.6.1",
+		"typescript": "catalog:default",
 		"which": "^2.0.2"
 	},
 	"engines": {

packages/miniflare/scripts/build-capnp.mjs

@@ -0,0 +1,9 @@
+import { execSync } from "node:child_process";
+import { copyFileSync } from "node:fs";
+
+execSync("capnp-es node_modules/workerd/workerd.capnp -ots");
+
+copyFileSync(
+	"node_modules/workerd/workerd.ts",
+	"src/runtime/config/generated.ts"
+);

packages/miniflare/scripts/types.mjs

@@ -148,18 +148,6 @@ function bundleTypes() {
 
 	fs.copyFileSync(indexTsPath, indexDtsPath);
 	try {
-		fs.copyFileSync(
-			path.join(pkgRoot, "src", "runtime", "config", "workerd.capnp.d.ts"),
-			path.join(
-				pkgRoot,
-				"dist-types",
-				"src",
-				"runtime",
-				"config",
-				"workerd.capnp.d.ts"
-			)
-		);
-
 		const extractorCfg = ExtractorConfig.prepare({
 			projectFolderLookupToken: pkgRoot,
 			packageJsonFullPath: path.join(pkgRoot, "package.json"),

packages/miniflare/src/http/websocket.ts

@@ -5,9 +5,12 @@ import { TypedEventTarget } from "../shared";
 import { ValueOf, viewToBuffer } from "../workers";
 
 export class MessageEvent extends Event {
-	readonly data: ArrayBuffer | string;
+	readonly data: string | ArrayBuffer | Uint8Array<ArrayBuffer>;
 
-	constructor(type: "message", init: { data: ArrayBuffer | string }) {
+	constructor(
+		type: "message",
+		init: { data: string | ArrayBuffer | Uint8Array<ArrayBuffer> }
+	) {
 		super(type);
 		this.data = init.data;
 	}
@@ -115,7 +118,7 @@ export class WebSocket extends TypedEventTarget<WebSocketEventMap> {
 		}
 	}
 
-	send(message: ArrayBuffer | string): void {
+	send(message: string | ArrayBuffer | Uint8Array<ArrayBuffer>): void {
 		if (!this[kAccepted]) {
 			throw new TypeError(
 				"You must call accept() on this WebSocket before sending messages."
@@ -124,7 +127,7 @@ export class WebSocket extends TypedEventTarget<WebSocketEventMap> {
 		this[kSend](message);
 	}
 
-	[kSend](message: ArrayBuffer | string): void {
+	[kSend](message: string | ArrayBuffer | Uint8Array<ArrayBuffer>): void {
 		// Split from send() so we can queue messages before accept() is called when
 		// forwarding message events from the client
 		if (this[kClosedOutgoing]) {

packages/miniflare/src/plugins/assets/index.ts

@@ -305,7 +305,7 @@ const encodeManifest = (manifest: ManifestEntry[]) => {
 	return assetManifestBytes;
 };
 
-const bytesToHex = (buffer: ArrayBufferLike) => {
+const bytesToHex = (buffer: Uint8Array<ArrayBuffer>) => {
 	return [...new Uint8Array(buffer)]
 		.map((b) => b.toString(16).padStart(2, "0"))
 		.join("");
@@ -314,6 +314,9 @@ const bytesToHex = (buffer: ArrayBufferLike) => {
 const hashPath = async (path: string) => {
 	const encoder = new TextEncoder();
 	const data = encoder.encode(path);
-	const hashBuffer = await crypto.subtle.digest("SHA-256", data.buffer);
+	const hashBuffer = await crypto.subtle.digest(
+		"SHA-256",
+		data.buffer as ArrayBuffer
+	);
 	return new Uint8Array(hashBuffer, 0, PATH_HASH_SIZE);
 };