23 lines
623 B
JavaScript
23 lines
623 B
JavaScript
'use strict';
|
|
|
|
var define = require('define-data-property');
|
|
var hasDescriptors = require('has-property-descriptors')();
|
|
var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames();
|
|
|
|
var $TypeError = TypeError;
|
|
|
|
module.exports = function setFunctionName(fn, name) {
|
|
if (typeof fn !== 'function') {
|
|
throw new $TypeError('`fn` is not a function');
|
|
}
|
|
var loose = arguments.length > 2 && !!arguments[2];
|
|
if (!loose || functionsHaveConfigurableNames) {
|
|
if (hasDescriptors) {
|
|
define(fn, 'name', name, true, true);
|
|
} else {
|
|
define(fn, 'name', name);
|
|
}
|
|
}
|
|
return fn;
|
|
};
|