5 lines
232 B
JavaScript
5 lines
232 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;
|
||
|
|
};
|