hexo/node_modules/core-js/library/modules/es7.reflect.get-metadata.js

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2023-09-25 15:58:56 +08:00
var metadata = require('./_metadata');
var anObject = require('./_an-object');
var getPrototypeOf = require('./_object-gpo');
var ordinaryHasOwnMetadata = metadata.has;
var ordinaryGetOwnMetadata = metadata.get;
var toMetaKey = metadata.key;
var ordinaryGetMetadata = function (MetadataKey, O, P) {
var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
if (hasOwn) return ordinaryGetOwnMetadata(MetadataKey, O, P);
var parent = getPrototypeOf(O);
return parent !== null ? ordinaryGetMetadata(MetadataKey, parent, P) : undefined;
};
metadata.exp({ getMetadata: function getMetadata(metadataKey, target /* , targetKey */) {
return ordinaryGetMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
} });