@dillonkearns/elm-graphql
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20 lines (17 loc) • 783 B
JavaScript
var Set = require('./es6.set');
var from = require('./_array-from-iterable');
var metadata = require('./_metadata');
var anObject = require('./_an-object');
var getPrototypeOf = require('./_object-gpo');
var ordinaryOwnMetadataKeys = metadata.keys;
var toMetaKey = metadata.key;
var ordinaryMetadataKeys = function (O, P) {
var oKeys = ordinaryOwnMetadataKeys(O, P);
var parent = getPrototypeOf(O);
if (parent === null) return oKeys;
var pKeys = ordinaryMetadataKeys(parent, P);
return pKeys.length ? oKeys.length ? from(new Set(oKeys.concat(pKeys))) : pKeys : oKeys;
};
metadata.exp({ getMetadataKeys: function getMetadataKeys(target /* , targetKey */) {
return ordinaryMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));
} });