Diffusion Open Access Compliance Check Tool (OACCT) (paginated-inlines) Browse

rOACCT/node_modules/core-js/internals/array-method-has-species-support.js
f646e1f695a7paginated-inlines

array-method-has-species-support.js
View Options

			var fails = require('../internals/fails');
			var wellKnownSymbol = require('../internals/well-known-symbol');
			var V8_VERSION = require('../internals/engine-v8-version');

			var SPECIES = wellKnownSymbol('species');

			module.exports = function (METHOD_NAME) {
			// We can't use this feature detection in V8 since it causes
			// deoptimization and serious performance degradation
			// https://github.com/zloirock/core-js/issues/677
			return V8_VERSION >= 51 \|\| !fails(function () {
			var array = [];
			var constructor = array.constructor = {};
			constructor[SPECIES] = function () {
			return { foo: 1 };
			};
			return array[METHOD_NAME](Boolean).foo !== 1;
			});
			};