Sha256: 41c17c456c1227213e4d2cbef60d6e62338044718a9f5fbf1fc4ad4861748346
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Size: 1.05 KB
Versions: 34
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Contents
// 26.1.13 Reflect.set(target, propertyKey, V [, receiver])
var $ = require('./$')
, has = require('./$.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 = $.getDesc(anObject(target), propertyKey)
, existingDescriptor, proto;
if(!ownDesc){
if(isObject(proto = $.getProto(target))){
return set(proto, propertyKey, V, receiver);
}
ownDesc = createDesc(0);
}
if(has(ownDesc, 'value')){
if(ownDesc.writable === false || !isObject(receiver))return false;
existingDescriptor = $.getDesc(receiver, propertyKey) || createDesc(0);
existingDescriptor.value = V;
$.setDesc(receiver, propertyKey, existingDescriptor);
return true;
}
return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
}
$export($export.S, 'Reflect', {set: set});
Version data entries
34 entries across 17 versions & 7 rubygems