wdc

global.d.ts

@@ -0,0 +1,39 @@
+type NonFalsy<T> = T extends false | 0 | "" | null | undefined | 0n ? never : T;
+
+interface Array<T> {
+  includes(searchElement: unknown, fromIndex?: number): searchElement is T;
+}
+
+interface ReadonlyArray<T> {
+  includes(searchElement: unknown, fromIndex?: number): searchElement is T;
+}
+
+interface Body {
+  json(): Promise<unknown>;
+}
+
+interface Array<T> {
+  filter(predicate: BooleanConstructor, thisArg?: unknown): NonFalsy<T>[];
+}
+
+interface ReadonlyArray<T> {
+  filter(predicate: BooleanConstructor, thisArg?: unknown): NonFalsy<T>[];
+}
+
+interface ArrayConstructor {
+  isArray(arg: unknown): arg is unknown[];
+}
+
+interface JSON {
+  /**
+   * Converts a JavaScript Object Notation (JSON) string into an object.
+   * @param text A valid JSON string.
+   * @param reviver A function that transforms the results. This function is called for each member of the object.
+   * If a member contains nested objects, the nested objects are transformed before the parent object is.
+   */
+  parse(text: string, reviver?: (this: unknown, key: string, value: unknown) => unknown): unknown;
+}
+
+interface Set<T> {
+  has(value: unknown): value is T;
+}