has-proto
Version:
Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?
16 lines (12 loc) • 298 B
JavaScript
var test = {
__proto__: null,
foo: {}
};
// @ts-expect-error: TS errors on an inherited property for some reason
var result = { __proto__: test }.foo === test.foo
&& !(test instanceof Object);
/** @type {import('.')} */
module.exports = function hasProto() {
return result;
};
;