[types] improve types

Author: ljharb

index.d.ts

@@ -1,23 +1,13 @@
 import type names from 'possible-typed-array-names';
+import type { TypedArray } from 'is-typed-array';
 
 declare function typedArrayLength(value: typedArrayLength.TypedArray): number;
 declare function typedArrayLength(value: unknown): false;
 
 declare namespace typedArrayLength {
-	type TypedArray =
-		| Int8Array
-		| Uint8Array
-		| Uint8ClampedArray
-		| Int16Array
-		| Uint16Array
-		| Int32Array
-		| Uint32Array
-		| Float32Array
-		| Float64Array
-		| BigInt64Array
-		| BigUint64Array;
+	export type { TypedArray };
 
-	type TypedArrayName = typeof names[number];
+	export type TypedArrayName = typeof names[number];
 }
 
 export = typedArrayLength;

index.js

@@ -13,7 +13,7 @@ var gPO = require('reflect.getprototypeof/polyfill')();
 /** @typedef {{ [k in `$${import('.').TypedArrayName}` | '__proto__']: k extends '__proto__' ? null : TypedArrayLengthGetter }} Cache */
 
 /** @type {Cache} */
-// @ts-expect-error TS doesn't seem to have a "will eventually satisfy" type
+// @ts-expect-error TS `satisfies` doesn't work in jsdoc
 var getters = { __proto__: null };
 var oDP = Object.defineProperty;
 if (gOPD) {