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-rw-r--r--cli/js/web/dom_iterable.ts92
1 files changed, 0 insertions, 92 deletions
diff --git a/cli/js/web/dom_iterable.ts b/cli/js/web/dom_iterable.ts
deleted file mode 100644
index 7e26a12a4..000000000
--- a/cli/js/web/dom_iterable.ts
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-
-import { requiredArguments } from "./util.ts";
-import { exposeForTest } from "../internals.ts";
-
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export type Constructor<T = {}> = new (...args: any[]) => T;
-
-export interface DomIterable<K, V> {
- keys(): IterableIterator<K>;
- values(): IterableIterator<V>;
- entries(): IterableIterator<[K, V]>;
- [Symbol.iterator](): IterableIterator<[K, V]>;
- forEach(
- callback: (value: V, key: K, parent: this) => void,
- // eslint-disable-next-line @typescript-eslint/no-explicit-any
- thisArg?: any,
- ): void;
-}
-
-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 ? globalThis : 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;
-}
-
-exposeForTest("DomIterableMixin", DomIterableMixin);