Make typed arrays generic over ArrayBufferLike (#59417)

Author: rbuckton

src/lib/es2015.core.d.ts

@@ -542,38 +542,38 @@ interface StringConstructor {
     raw(template: { raw: readonly string[] | ArrayLike<string>; }, ...substitutions: any[]): string;
 }
 
-interface Int8Array {
+interface Int8Array<TArrayBuffer extends ArrayBufferLike> {
     toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
 }
 
-interface Uint8Array {
+interface Uint8Array<TArrayBuffer extends ArrayBufferLike> {
     toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
 }
 
-interface Uint8ClampedArray {
+interface Uint8ClampedArray<TArrayBuffer extends ArrayBufferLike> {
     toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
 }
 
-interface Int16Array {
+interface Int16Array<TArrayBuffer extends ArrayBufferLike> {
     toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
 }
 
-interface Uint16Array {
+interface Uint16Array<TArrayBuffer extends ArrayBufferLike> {
     toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
 }
 
-interface Int32Array {
+interface Int32Array<TArrayBuffer extends ArrayBufferLike> {
     toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
 }
 
-interface Uint32Array {
+interface Uint32Array<TArrayBuffer extends ArrayBufferLike> {
     toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
 }
 
-interface Float32Array {
+interface Float32Array<TArrayBuffer extends ArrayBufferLike> {
     toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
 }
 
-interface Float64Array {
+interface Float64Array<TArrayBuffer extends ArrayBufferLike> {
     toLocaleString(locales: string | string[], options?: Intl.NumberFormatOptions): string;
 }

src/lib/es2015.iterable.d.ts

@@ -252,7 +252,7 @@ interface String {
     [Symbol.iterator](): StringIterator<string>;
 }
 
-interface Int8Array {
+interface Int8Array<TArrayBuffer extends ArrayBufferLike> {
     [Symbol.iterator](): ArrayIterator<number>;
     /**
      * Returns an array of key, value pairs for every entry in the array
@@ -269,18 +269,25 @@ interface Int8Array {
 }
 
 interface Int8ArrayConstructor {
-    new (elements: Iterable<number>): Int8Array;
+    new (elements: Iterable<number>): Int8Array<ArrayBuffer>;
 
     /**
      * Creates an array from an array-like or iterable object.
      * @param arrayLike An array-like or iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from(arrayLike: Iterable<number>, mapfn?: (v: number, k: number) => number, thisArg?: any): Int8Array;
+    from(arrayLike: Iterable<number>): Int8Array<ArrayBuffer>;
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from<T>(arrayLike: Iterable<T>, mapfn?: (v: T, k: number) => number, thisArg?: any): Int8Array<ArrayBuffer>;
 }
 
-interface Uint8Array {
+interface Uint8Array<TArrayBuffer extends ArrayBufferLike> {
     [Symbol.iterator](): ArrayIterator<number>;
     /**
      * Returns an array of key, value pairs for every entry in the array
@@ -297,18 +304,25 @@ interface Uint8Array {
 }
 
 interface Uint8ArrayConstructor {
-    new (elements: Iterable<number>): Uint8Array;
+    new (elements: Iterable<number>): Uint8Array<ArrayBuffer>;
 
     /**
      * Creates an array from an array-like or iterable object.
      * @param arrayLike An array-like or iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from(arrayLike: Iterable<number>, mapfn?: (v: number, k: number) => number, thisArg?: any): Uint8Array;
+    from(arrayLike: Iterable<number>): Uint8Array<ArrayBuffer>;
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from<T>(arrayLike: Iterable<T>, mapfn?: (v: T, k: number) => number, thisArg?: any): Uint8Array<ArrayBuffer>;
 }
 
-interface Uint8ClampedArray {
+interface Uint8ClampedArray<TArrayBuffer extends ArrayBufferLike> {
     [Symbol.iterator](): ArrayIterator<number>;
     /**
      * Returns an array of key, value pairs for every entry in the array
@@ -327,18 +341,25 @@ interface Uint8ClampedArray {
 }
 
 interface Uint8ClampedArrayConstructor {
-    new (elements: Iterable<number>): Uint8ClampedArray;
+    new (elements: Iterable<number>): Uint8ClampedArray<ArrayBuffer>;
 
     /**
      * Creates an array from an array-like or iterable object.
      * @param arrayLike An array-like or iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from(arrayLike: Iterable<number>, mapfn?: (v: number, k: number) => number, thisArg?: any): Uint8ClampedArray;
+    from(arrayLike: Iterable<number>): Uint8ClampedArray<ArrayBuffer>;
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from<T>(arrayLike: Iterable<T>, mapfn?: (v: T, k: number) => number, thisArg?: any): Uint8ClampedArray<ArrayBuffer>;
 }
 
-interface Int16Array {
+interface Int16Array<TArrayBuffer extends ArrayBufferLike> {
     [Symbol.iterator](): ArrayIterator<number>;
     /**
      * Returns an array of key, value pairs for every entry in the array
@@ -357,18 +378,25 @@ interface Int16Array {
 }
 
 interface Int16ArrayConstructor {
-    new (elements: Iterable<number>): Int16Array;
+    new (elements: Iterable<number>): Int16Array<ArrayBuffer>;
 
     /**
      * Creates an array from an array-like or iterable object.
      * @param arrayLike An array-like or iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from(arrayLike: Iterable<number>, mapfn?: (v: number, k: number) => number, thisArg?: any): Int16Array;
+    from(arrayLike: Iterable<number>): Int16Array<ArrayBuffer>;
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from<T>(arrayLike: Iterable<T>, mapfn?: (v: T, k: number) => number, thisArg?: any): Int16Array<ArrayBuffer>;
 }
 
-interface Uint16Array {
+interface Uint16Array<TArrayBuffer extends ArrayBufferLike> {
     [Symbol.iterator](): ArrayIterator<number>;
     /**
      * Returns an array of key, value pairs for every entry in the array
@@ -385,18 +413,25 @@ interface Uint16Array {
 }
 
 interface Uint16ArrayConstructor {
-    new (elements: Iterable<number>): Uint16Array;
+    new (elements: Iterable<number>): Uint16Array<ArrayBuffer>;
 
     /**
      * Creates an array from an array-like or iterable object.
      * @param arrayLike An array-like or iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from(arrayLike: Iterable<number>, mapfn?: (v: number, k: number) => number, thisArg?: any): Uint16Array;
+    from(arrayLike: Iterable<number>): Uint16Array<ArrayBuffer>;
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from<T>(arrayLike: Iterable<T>, mapfn?: (v: T, k: number) => number, thisArg?: any): Uint16Array<ArrayBuffer>;
 }
 
-interface Int32Array {
+interface Int32Array<TArrayBuffer extends ArrayBufferLike> {
     [Symbol.iterator](): ArrayIterator<number>;
     /**
      * Returns an array of key, value pairs for every entry in the array
@@ -413,18 +448,25 @@ interface Int32Array {
 }
 
 interface Int32ArrayConstructor {
-    new (elements: Iterable<number>): Int32Array;
+    new (elements: Iterable<number>): Int32Array<ArrayBuffer>;
 
     /**
      * Creates an array from an array-like or iterable object.
      * @param arrayLike An array-like or iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from(arrayLike: Iterable<number>, mapfn?: (v: number, k: number) => number, thisArg?: any): Int32Array;
+    from(arrayLike: Iterable<number>): Int32Array<ArrayBuffer>;
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from<T>(arrayLike: Iterable<T>, mapfn?: (v: T, k: number) => number, thisArg?: any): Int32Array<ArrayBuffer>;
 }
 
-interface Uint32Array {
+interface Uint32Array<TArrayBuffer extends ArrayBufferLike> {
     [Symbol.iterator](): ArrayIterator<number>;
     /**
      * Returns an array of key, value pairs for every entry in the array
@@ -441,18 +483,25 @@ interface Uint32Array {
 }
 
 interface Uint32ArrayConstructor {
-    new (elements: Iterable<number>): Uint32Array;
+    new (elements: Iterable<number>): Uint32Array<ArrayBuffer>;
 
     /**
      * Creates an array from an array-like or iterable object.
      * @param arrayLike An array-like or iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from(arrayLike: Iterable<number>, mapfn?: (v: number, k: number) => number, thisArg?: any): Uint32Array;
+    from(arrayLike: Iterable<number>): Uint32Array<ArrayBuffer>;
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from<T>(arrayLike: Iterable<T>, mapfn?: (v: T, k: number) => number, thisArg?: any): Uint32Array<ArrayBuffer>;
 }
 
-interface Float32Array {
+interface Float32Array<TArrayBuffer extends ArrayBufferLike> {
     [Symbol.iterator](): ArrayIterator<number>;
     /**
      * Returns an array of key, value pairs for every entry in the array
@@ -469,18 +518,25 @@ interface Float32Array {
 }
 
 interface Float32ArrayConstructor {
-    new (elements: Iterable<number>): Float32Array;
+    new (elements: Iterable<number>): Float32Array<ArrayBuffer>;
 
     /**
      * Creates an array from an array-like or iterable object.
      * @param arrayLike An array-like or iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from(arrayLike: Iterable<number>, mapfn?: (v: number, k: number) => number, thisArg?: any): Float32Array;
+    from(arrayLike: Iterable<number>): Float32Array<ArrayBuffer>;
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from<T>(arrayLike: Iterable<T>, mapfn?: (v: T, k: number) => number, thisArg?: any): Float32Array<ArrayBuffer>;
 }
 
-interface Float64Array {
+interface Float64Array<TArrayBuffer extends ArrayBufferLike> {
     [Symbol.iterator](): ArrayIterator<number>;
     /**
      * Returns an array of key, value pairs for every entry in the array
@@ -497,13 +553,20 @@ interface Float64Array {
 }
 
 interface Float64ArrayConstructor {
-    new (elements: Iterable<number>): Float64Array;
+    new (elements: Iterable<number>): Float64Array<ArrayBuffer>;
 
     /**
      * Creates an array from an array-like or iterable object.
      * @param arrayLike An array-like or iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from(arrayLike: Iterable<number>, mapfn?: (v: number, k: number) => number, thisArg?: any): Float64Array;
+    from(arrayLike: Iterable<number>): Float64Array<ArrayBuffer>;
+    /**
+     * Creates an array from an array-like or iterable object.
+     * @param arrayLike An array-like or iterable object to convert to an array.
+     * @param mapfn A mapping function to call on every element of the array.
+     * @param thisArg Value of 'this' used to invoke the mapfn.
+     */
+    from<T>(arrayLike: Iterable<T>, mapfn?: (v: T, k: number) => number, thisArg?: any): Float64Array<ArrayBuffer>;
 }

src/lib/es2015.symbol.wellknown.d.ts

@@ -254,43 +254,43 @@ interface ArrayBuffer {
     readonly [Symbol.toStringTag]: string;
 }
 
-interface DataView {
+interface DataView<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: string;
 }
 
-interface Int8Array {
+interface Int8Array<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: "Int8Array";
 }
 
-interface Uint8Array {
+interface Uint8Array<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: "Uint8Array";
 }
 
-interface Uint8ClampedArray {
+interface Uint8ClampedArray<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: "Uint8ClampedArray";
 }
 
-interface Int16Array {
+interface Int16Array<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: "Int16Array";
 }
 
-interface Uint16Array {
+interface Uint16Array<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: "Uint16Array";
 }
 
-interface Int32Array {
+interface Int32Array<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: "Int32Array";
 }
 
-interface Uint32Array {
+interface Uint32Array<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: "Uint32Array";
 }
 
-interface Float32Array {
+interface Float32Array<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: "Float32Array";
 }
 
-interface Float64Array {
+interface Float64Array<TArrayBuffer extends ArrayBufferLike> {
     readonly [Symbol.toStringTag]: "Float64Array";
 }