Sha256: 3f4647961cece9ffe977e29e229a0f0d880e38fdd37c6d709b2d416f21f43d8e
Contents?: true
Size: 673 Bytes
Versions: 24
Compression:
Stored size: 673 Bytes
Contents
var fails = require('../internals/fails');
var wellKnownSymbol = require('../internals/well-known-symbol');
var V8_VERSION = require('../internals/engine-v8-version');
var SPECIES = wellKnownSymbol('species');
module.exports = function (METHOD_NAME) {
// We can't use this feature detection in V8 since it causes
// deoptimization and serious performance degradation
// https://github.com/zloirock/core-js/issues/677
return V8_VERSION >= 51 || !fails(function () {
var array = [];
var constructor = array.constructor = {};
constructor[SPECIES] = function () {
return { foo: 1 };
};
return array[METHOD_NAME](Boolean).foo !== 1;
});
};
Version data entries
24 entries across 23 versions & 7 rubygems