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'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;
};