core-js
Version:
Standard library
9 lines (7 loc) • 364 B
JavaScript
var metadata = require('./_metadata');
var anObject = require('./_an-object');
var ordinaryOwnMetadataKeys = metadata.keys;
var toMetaKey = metadata.key;
metadata.exp({ getOwnMetadataKeys: function getOwnMetadataKeys(target /* , targetKey */) {
return ordinaryOwnMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));
} });