Sha256: 9f33c9e0fba4b5605ca95af4f267ed266cfe5a7ec0c5a739353a37d4b5eee5f3
Contents?: true
Size: 1.03 KB
Versions: 216
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Stored size: 1.03 KB
Contents
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var $setProto = require('../helpers/setProto');
var OrdinaryGetPrototypeOf = require('./OrdinaryGetPrototypeOf');
var Type = require('./Type');
// https://262.ecma-international.org/7.0/#sec-ordinarysetprototypeof
module.exports = function OrdinarySetPrototypeOf(O, V) {
if (Type(V) !== 'Object' && Type(V) !== 'Null') {
throw new $TypeError('Assertion failed: V must be Object or Null');
}
/*
var extensible = IsExtensible(O);
var current = OrdinaryGetPrototypeOf(O);
if (SameValue(V, current)) {
return true;
}
if (!extensible) {
return false;
}
*/
try {
$setProto(O, V);
} catch (e) {
return false;
}
return OrdinaryGetPrototypeOf(O) === V;
/*
var p = V;
var done = false;
while (!done) {
if (p === null) {
done = true;
} else if (SameValue(p, O)) {
return false;
} else {
if (wat) {
done = true;
} else {
p = p.[[Prototype]];
}
}
}
O.[[Prototype]] = V;
return true;
*/
};
Version data entries
216 entries across 27 versions & 2 rubygems