Prepack emits code containing invalid global.TypedArray access

[calebmer]

TypedArray is a global not exposed to the user JavaScript runtime. Try global.TypedArray in your JavaScript environment of choice. We must emit Object.getPrototypeOf(Int8Array) or similar instead of TypedArray.

Input

var TypedArray = Object.getPrototypeOf(Int8Array);
console.log(TypedArray.from.name === "from");

Output

var TypedArray;
(function() {
  var _$0 = this;

  var _$1 = _$0.TypedArray; // <-------------------- `TypedArray` is not exposed on the global object!
  _$0.TypedArray = _$1;
  console.log(true);
}.call(this));