Sha256: 21ba50470c7e0362c0c662e9b9067e34a546a4fcc73724c95a2d984564debfcd
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Versions: 62
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Contents
// 26.1.13 Reflect.set(target, propertyKey, V [, receiver])
var dP = require('./_object-dp');
var gOPD = require('./_object-gopd');
var getPrototypeOf = require('./_object-gpo');
var has = require('./_has');
var $export = require('./_export');
var createDesc = require('./_property-desc');
var anObject = require('./_an-object');
var isObject = require('./_is-object');
function set(target, propertyKey, V /* , receiver */) {
var receiver = arguments.length < 4 ? target : arguments[3];
var ownDesc = gOPD.f(anObject(target), propertyKey);
var 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;
if (existingDescriptor = gOPD.f(receiver, propertyKey)) {
if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) return false;
existingDescriptor.value = V;
dP.f(receiver, propertyKey, existingDescriptor);
} else dP.f(receiver, propertyKey, createDesc(0, V));
return true;
}
return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
}
$export($export.S, 'Reflect', { set: set });
Version data entries
62 entries across 28 versions & 7 rubygems