Files
GitTesting/node_modules/core-js/modules/_an-instance.js
2020-02-13 07:52:39 -06:00

6 lines
237 B
JavaScript

module.exports = function (it, Constructor, name, forbiddenField) {
if (!(it instanceof Constructor) || (forbiddenField !== undefined && forbiddenField in it)) {
throw TypeError(name + ': incorrect invocation!');
} return it;
};