fix: use both .d.cts and .d.mts extensions for all type files

index.d.cts

@@ -0,0 +1,7 @@
+import type {TestFn} from './types/test-fn.cjs';
+
+/** Call to declare a test, or chain to declare hooks or test modifiers */
+declare const test: TestFn;
+
+/** Call to declare a test, or chain to declare hooks or test modifiers */
+export = test;

index.d.mts

@@ -0,0 +1,12 @@
+import type {TestFn} from './types/test-fn.mjs';
+
+export * from './types/assertions.mjs';
+export * from './types/try-fn.mjs';
+export * from './types/test-fn.mjs';
+export * from './types/subscribable.mjs';
+
+/** Call to declare a test, or chain to declare hooks or test modifiers */
+declare const test: TestFn;
+
+/** Call to declare a test, or chain to declare hooks or test modifiers */
+export default test;

package.json

@@ -11,7 +11,7 @@
 	"exports": {
 		".": {
 			"import": {
-				"types": "./index.d.ts",
+				"types": "./index.d.mts",
 				"default": "./entrypoints/main.mjs"
 			},
 			"require": {
@@ -22,7 +22,7 @@
 		"./eslint-plugin-helper": "./entrypoints/eslint-plugin-helper.cjs",
 		"./plugin": {
 			"import": {
-				"types": "./plugin.d.ts",
+				"types": "./plugin.d.mts",
 				"default": "./entrypoints/plugin.mjs"
 			},
 			"require": {
@@ -43,8 +43,10 @@
 		"entrypoints",
 		"lib",
 		"types",
-		"index.d.ts",
-		"plugin.d.ts"
+		"index.d.cts",
+		"index.d.mts",
+		"plugin.d.cts",
+		"plugin.d.mts"
 	],
 	"keywords": [
 		"🦄",

plugin.d.mts

@@ -0,0 +1,77 @@
+import {URL} from 'node:url';
+
+export namespace SharedWorker {
+	export type ProtocolIdentifier = 'ava-4';
+
+	export type FactoryOptions = {
+		negotiateProtocol <Data = unknown>(supported: readonly ['ava-4']): Protocol<Data>;
+		// Add overloads for additional protocols.
+	};
+
+	export type Factory = (options: FactoryOptions) => void;
+
+	export type Protocol<Data = unknown> = {
+		readonly initialData: Data;
+		readonly protocol: 'ava-4';
+		broadcast: (data: Data) => BroadcastMessage<Data>;
+		ready: () => Protocol<Data>;
+		subscribe: () => AsyncIterableIterator<ReceivedMessage<Data>>;
+		testWorkers: () => AsyncIterableIterator<TestWorker<Data>>;
+	};
+
+	export type BroadcastMessage<Data = unknown> = {
+		readonly id: string;
+		replies: () => AsyncIterableIterator<ReceivedMessage<Data>>;
+	};
+
+	export type PublishedMessage<Data = unknown> = {
+		readonly id: string;
+		replies: () => AsyncIterableIterator<ReceivedMessage<Data>>;
+	};
+
+	export type ReceivedMessage<Data = unknown> = {
+		readonly data: Data;
+		readonly id: string;
+		readonly testWorker: TestWorker;
+		reply: (data: Data) => PublishedMessage<Data>;
+	};
+
+	export type TestWorker<Data = unknown> = {
+		readonly id: string;
+		readonly file: string;
+		publish: (data: Data) => PublishedMessage<Data>;
+		subscribe: () => AsyncIterableIterator<ReceivedMessage<Data>>;
+		teardown: (fn: (() => Promise<void>) | (() => void)) => () => Promise<void>;
+	};
+
+	export namespace Plugin {
+		export type RegistrationOptions<Identifier extends ProtocolIdentifier, Data = unknown> = {
+			readonly filename: string | URL;
+			readonly initialData?: Data;
+			readonly supportedProtocols: readonly Identifier[];
+			readonly teardown?: () => void;
+		};
+
+		export type Protocol<Data = unknown> = {
+			readonly available: Promise<void>;
+			readonly currentlyAvailable: boolean;
+			readonly protocol: 'ava-4';
+			publish: (data: Data) => PublishedMessage<Data>;
+			subscribe: () => AsyncIterableIterator<ReceivedMessage<Data>>;
+		};
+
+		export type PublishedMessage<Data = unknown> = {
+			readonly id: string;
+			replies: () => AsyncIterableIterator<ReceivedMessage<Data>>;
+		};
+
+		export type ReceivedMessage<Data = unknown> = {
+			readonly data: Data;
+			readonly id: string;
+			reply: (data: Data) => PublishedMessage<Data>;
+		};
+	}
+}
+
+export function registerSharedWorker<Data = unknown>(options: SharedWorker.Plugin.RegistrationOptions<'ava-4', Data>): SharedWorker.Plugin.Protocol<Data>;
+// Add overloads for additional protocols.