Add compatible overloads that accept ArrayBuffer to BigInt64Array/BigUint64Array

src/lib/es2020.bigint.d.ts

@@ -373,6 +373,7 @@ interface BigInt64ArrayConstructor {
     new (length?: number): BigInt64Array<ArrayBuffer>;
     new (array: ArrayLike<bigint> | Iterable<bigint>): BigInt64Array<ArrayBuffer>;
     new <TArrayBuffer extends ArrayBufferLike = ArrayBuffer>(buffer: TArrayBuffer, byteOffset?: number, length?: number): BigInt64Array<TArrayBuffer>;
+    new (array: ArrayLike<bigint> | ArrayBuffer): BigInt64Array<ArrayBuffer>;
 
     /** The size in bytes of each element in the array. */
     readonly BYTES_PER_ELEMENT: number;
@@ -649,6 +650,7 @@ interface BigUint64ArrayConstructor {
     new (length?: number): BigUint64Array<ArrayBuffer>;
     new (array: ArrayLike<bigint> | Iterable<bigint>): BigUint64Array<ArrayBuffer>;
     new <TArrayBuffer extends ArrayBufferLike = ArrayBuffer>(buffer: TArrayBuffer, byteOffset?: number, length?: number): BigUint64Array<TArrayBuffer>;
+    new (array: ArrayLike<bigint> | ArrayBuffer): BigUint64Array<ArrayBuffer>;
 
     /** The size in bytes of each element in the array. */
     readonly BYTES_PER_ELEMENT: number;

tests/cases/compiler/typedArrayConstructorOverloads.ts

@@ -0,0 +1,13 @@
+// @target: esnext
+// @noEmit: true
+// @noTypesAndSymbols: true
+
+// https://github.com/microsoft/TypeScript/issues/60367
+
+type TypedArrayConstructor =
+    | Float64ArrayConstructor
+    | BigInt64ArrayConstructor
+
+export function makeTypedArray(buffer: ArrayBuffer, ctr: TypedArrayConstructor) {
+  return new ctr(buffer);
+}