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unboundedpress/node_modules/core-js/modules/es7.reflect.has-metadata.js

17 lines
677 B
JavaScript

var metadata = require('./_metadata');
var anObject = require('./_an-object');
var getPrototypeOf = require('./_object-gpo');
var ordinaryHasOwnMetadata = metadata.has;
var toMetaKey = metadata.key;
var ordinaryHasMetadata = function (MetadataKey, O, P) {
var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
if (hasOwn) return true;
var parent = getPrototypeOf(O);
return parent !== null ? ordinaryHasMetadata(MetadataKey, parent, P) : false;
};
metadata.exp({ hasMetadata: function hasMetadata(metadataKey, target /* , targetKey */) {
return ordinaryHasMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
} });