1 files changed, 0 insertions, 82 deletions
diff --git a/js/mixins/dom_iterable.ts b/js/mixins/dom_iterable.ts
deleted file mode 100644
index bbd1905ce..000000000
--- a/js/mixins/dom_iterable.ts
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-import { DomIterable } from "../dom_types.ts";
-import { window } from "../window.ts";
-import { requiredArguments } from "../util.ts";
-
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-type Constructor<T = {}> = new (...args: any[]) => T;
-
-/** Mixes in a DOM iterable methods into a base class, assumes that there is
- * a private data iterable that is part of the base class, located at
- * `[dataSymbol]`.
- * TODO Don't expose DomIterableMixin from "deno" namespace.
- */
-export function DomIterableMixin<K, V, TBase extends Constructor>(
-  Base: TBase,
-  dataSymbol: symbol
-): TBase & Constructor<DomIterable<K, V>> {
-  // we have to cast `this` as `any` because there is no way to describe the
-  // Base class in a way where the Symbol `dataSymbol` is defined.  So the
-  // runtime code works, but we do lose a little bit of type safety.
-
-  // Additionally, we have to not use .keys() nor .values() since the internal
-  // slot differs in type - some have a Map, which yields [K, V] in
-  // Symbol.iterator, and some have an Array, which yields V, in this case
-  // [K, V] too as they are arrays of tuples.
-
-  const DomIterable = class extends Base {
-    *entries(): IterableIterator<[K, V]> {
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-      for (const entry of (this as any)[dataSymbol]) {
-        yield entry;
-      }
-    }
-
-    *keys(): IterableIterator<K> {
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-      for (const [key] of (this as any)[dataSymbol]) {
-        yield key;
-      }
-    }
-
-    *values(): IterableIterator<V> {
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-      for (const [, value] of (this as any)[dataSymbol]) {
-        yield value;
-      }
-    }
-
-    forEach(
-      callbackfn: (value: V, key: K, parent: this) => void,
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-      thisArg?: any
-    ): void {
-      requiredArguments(
-        `${this.constructor.name}.forEach`,
-        arguments.length,
-        1
-      );
-      callbackfn = callbackfn.bind(thisArg == null ? window : Object(thisArg));
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-      for (const [key, value] of (this as any)[dataSymbol]) {
-        callbackfn(value, key, this);
-      }
-    }
-
-    *[Symbol.iterator](): IterableIterator<[K, V]> {
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-      for (const entry of (this as any)[dataSymbol]) {
-        yield entry;
-      }
-    }
-  };
-
-  // we want the Base class name to be the name of the class.
-  Object.defineProperty(DomIterable, "name", {
-    value: Base.name,
-    configurable: true
-  });
-
-  return DomIterable;
-}