fix(lib.d.ts): fixed buffer parameter type of DataView

Author: lpizzinidev

lib/lib.es5.d.ts

@@ -1843,7 +1843,7 @@ interface DataView {
 
 interface DataViewConstructor {
     readonly prototype: DataView;
-    new(buffer: ArrayBufferLike, byteOffset?: number, byteLength?: number): DataView;
+    new(buffer: ArrayBufferLike & { BYTES_PER_ELEMENT?: never }, byteOffset?: number, byteLength?: number): DataView;
 }
 declare var DataView: DataViewConstructor;
 

src/lib/es5.d.ts

@@ -1814,7 +1814,7 @@ interface DataView {
 
 interface DataViewConstructor {
     readonly prototype: DataView;
-    new(buffer: ArrayBufferLike, byteOffset?: number, byteLength?: number): DataView;
+    new(buffer: ArrayBufferLike & { BYTES_PER_ELEMENT?: never }, byteOffset?: number, byteLength?: number): DataView;
 }
 declare var DataView: DataViewConstructor;
 

tests/baselines/reference/dataViewConstructor.errors.txt

@@ -0,0 +1,13 @@
+tests/cases/compiler/dataViewConstructor.ts(1,14): error TS2345: Argument of type 'Uint8Array' is not assignable to parameter of type 'ArrayBuffer & { BYTES_PER_ELEMENT?: never; }'.
+  Type 'Uint8Array' is not assignable to type '{ BYTES_PER_ELEMENT?: never; }'.
+    Types of property 'BYTES_PER_ELEMENT' are incompatible.
+      Type 'number' is not assignable to type 'never'.
+
+
+==== tests/cases/compiler/dataViewConstructor.ts (1 errors) ====
+    new DataView(new Uint8Array(32)); // should error
+                 ~~~~~~~~~~~~~~~~~~
+!!! error TS2345: Argument of type 'Uint8Array' is not assignable to parameter of type 'ArrayBuffer & { BYTES_PER_ELEMENT?: never; }'.
+!!! error TS2345:   Type 'Uint8Array' is not assignable to type '{ BYTES_PER_ELEMENT?: never; }'.
+!!! error TS2345:     Types of property 'BYTES_PER_ELEMENT' are incompatible.
+!!! error TS2345:       Type 'number' is not assignable to type 'never'.

tests/baselines/reference/dataViewConstructor.js

@@ -0,0 +1,5 @@
+//// [dataViewConstructor.ts]
+new DataView(new Uint8Array(32)); // should error
+
+//// [dataViewConstructor.js]
+new DataView(new Uint8Array(32)); // should error

tests/baselines/reference/dataViewConstructor.symbols

@@ -0,0 +1,5 @@
+=== tests/cases/compiler/dataViewConstructor.ts ===
+new DataView(new Uint8Array(32)); // should error
+>DataView : Symbol(DataView, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>Uint8Array : Symbol(Uint8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+

tests/baselines/reference/dataViewConstructor.types

@@ -0,0 +1,8 @@
+=== tests/cases/compiler/dataViewConstructor.ts ===
+new DataView(new Uint8Array(32)); // should error
+>new DataView(new Uint8Array(32)) : DataView
+>DataView : DataViewConstructor
+>new Uint8Array(32) : Uint8Array
+>Uint8Array : Uint8ArrayConstructor
+>32 : 32
+

tests/cases/compiler/dataViewConstructor.ts

@@ -0,0 +1 @@
+new DataView(new Uint8Array(32)); // should error

tests/lib/lib.d.ts

@@ -1387,7 +1387,7 @@ interface DataView {
 }
 
 interface DataViewConstructor {
-    new (buffer: ArrayBuffer, byteOffset?: number, byteLength?: number): DataView;
+    new (buffer: ArrayBuffer & { BYTES_PER_ELEMENT?: never }, byteOffset?: number, byteLength?: number): DataView;
 }
 declare var DataView: DataViewConstructor;