- var isConstructor = require('../internals/is-constructor');
- var tryToString = require('../internals/try-to-string');
- var $TypeError = TypeError;
- // `Assert: IsConstructor(argument) is true`
- module.exports = function (argument) {
- if (isConstructor(argument)) return argument;
- throw $TypeError(tryToString(argument) + ' is not a constructor');
- };
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