1 files changed, 50 insertions, 0 deletions
diff --git a/op_crates/web/lib.deno_web.d.ts b/op_crates/web/lib.deno_web.d.ts
index b402529e2..d24a3b76f 100644
--- a/op_crates/web/lib.deno_web.d.ts
+++ b/op_crates/web/lib.deno_web.d.ts
@@ -1,5 +1,7 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
 /// <reference no-default-lib="true" />
 /// <reference lib="esnext" />
 
@@ -185,3 +187,51 @@ declare class TextEncoder {
   ): { read: number; written: number };
   readonly [Symbol.toStringTag]: string;
 }
+
+/** A controller object that allows you to abort one or more DOM requests as and
+ * when desired. */
+declare class AbortController {
+  /** Returns the AbortSignal object associated with this object. */
+  readonly signal: AbortSignal;
+  /** Invoking this method will set this object's AbortSignal's aborted flag and
+    * signal to any observers that the associated activity is to be aborted. */
+  abort(): void;
+}
+
+interface AbortSignalEventMap {
+  abort: Event;
+}
+
+/** A signal object that allows you to communicate with a DOM request (such as a
+  * Fetch) and abort it if required via an AbortController object. */
+interface AbortSignal extends EventTarget {
+  /** Returns true if this AbortSignal's AbortController has signaled to abort,
+    * and false otherwise. */
+  readonly aborted: boolean;
+  onabort: ((this: AbortSignal, ev: Event) => any) | null;
+  addEventListener<K extends keyof AbortSignalEventMap>(
+    type: K,
+    listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any,
+    options?: boolean | AddEventListenerOptions,
+  ): void;
+  addEventListener(
+    type: string,
+    listener: EventListenerOrEventListenerObject,
+    options?: boolean | AddEventListenerOptions,
+  ): void;
+  removeEventListener<K extends keyof AbortSignalEventMap>(
+    type: K,
+    listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any,
+    options?: boolean | EventListenerOptions,
+  ): void;
+  removeEventListener(
+    type: string,
+    listener: EventListenerOrEventListenerObject,
+    options?: boolean | EventListenerOptions,
+  ): void;
+}
+
+declare const AbortSignal: {
+  prototype: AbortSignal;
+  new (): AbortSignal;
+};