Port internal TS code to JS (#6793)

Co-authored-by: Ryan Dahl <ry@tinyclouds.org>

1 files changed, 43 insertions, 0 deletions

diff --git a/cli/js2/lib.deno.worker.d.ts b/cli/js2/lib.deno.worker.d.ts
new file mode 100644
index 000000000..95aa16139
--- /dev/null
+++ b/cli/js2/lib.deno.worker.d.ts
@@ -0,0 +1,43 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any */
+
+/// <reference no-default-lib="true" />
+/// <reference lib="deno.ns" />
+/// <reference lib="deno.shared_globals" />
+/// <reference lib="esnext" />
+
+declare interface DedicatedWorkerGlobalScope {
+  self: DedicatedWorkerGlobalScope & typeof globalThis;
+  onmessage: (e: MessageEvent) => void;
+  onmessageerror: (e: MessageEvent) => void;
+  onerror: undefined | typeof onerror;
+  name: typeof __workerMain.name;
+  close: typeof __workerMain.close;
+  postMessage: typeof __workerMain.postMessage;
+  Deno: typeof Deno;
+}
+
+declare const self: DedicatedWorkerGlobalScope & typeof globalThis;
+declare let onmessage: ((e: { data: any }) => Promise<void> | void) | undefined;
+declare let onerror:
+  | ((
+    msg: string,
+    source: string,
+    lineno: number,
+    colno: number,
+    e: Event,
+  ) => boolean | void)
+  | undefined;
+declare const close: typeof __workerMain.close;
+declare const name: typeof __workerMain.name;
+declare const postMessage: typeof __workerMain.postMessage;
+
+declare namespace __workerMain {
+  export let onmessage: (e: { data: any }) => void;
+  export function postMessage(data: any): void;
+  export function close(): void;
+  export const name: string;
+}
+
+/* eslint-enable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any */