blob: c6b916a2e028e9b76f69ebe9b83430e5d1f7355a [file] [log] [blame]
// 26.1.13 Reflect.set(target, propertyKey, V [, receiver])
var dP = require('./_object-dp')
, gOPD = require('./_object-gopd')
, getPrototypeOf = require('./_object-gpo')
, has = require('./_has')
, $export = require('./_export')
, createDesc = require('./_property-desc')
, anObject = require('./_an-object')
, isObject = require('./_is-object');
function set(target, propertyKey, V/*, receiver*/){
var receiver = arguments.length < 4 ? target : arguments[3]
, ownDesc = gOPD.f(anObject(target), propertyKey)
, existingDescriptor, proto;
if(!ownDesc){
if(isObject(proto = getPrototypeOf(target))){
return set(proto, propertyKey, V, receiver);
}
ownDesc = createDesc(0);
}
if(has(ownDesc, 'value')){
if(ownDesc.writable === false || !isObject(receiver))return false;
existingDescriptor = gOPD.f(receiver, propertyKey) || createDesc(0);
existingDescriptor.value = V;
dP.f(receiver, propertyKey, existingDescriptor);
return true;
}
return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
}
$export($export.S, 'Reflect', {set: set});