Sha256: 56008ef5ef97d935368594d282c0c8553915df0e130c6e3179c09043a0b85dd8
Contents?: true
Size: 914 Bytes
Versions: 40
Compression:
Stored size: 914 Bytes
Contents
// Works with __proto__ only. Old v8 can't work with null proto objects.
/* eslint-disable no-proto */
var getDesc = require('./$').getDesc
, isObject = require('./$.is-object')
, anObject = require('./$.an-object');
var check = function(O, proto){
anObject(O);
if(!isObject(proto) && proto !== null)throw TypeError(proto + ": can't set as prototype!");
};
module.exports = {
set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
function(test, buggy, set){
try {
set = require('./$.ctx')(Function.call, getDesc(Object.prototype, '__proto__').set, 2);
set(test, []);
buggy = !(test instanceof Array);
} catch(e){ buggy = true; }
return function setPrototypeOf(O, proto){
check(O, proto);
if(buggy)O.__proto__ = proto;
else set(O, proto);
return O;
};
}({}, false) : undefined),
check: check
};
Version data entries
40 entries across 18 versions & 7 rubygems