Files
30-seconds-of-code/node_modules/relay-runtime/lib/RelayInMemoryRecordSource.js
2019-08-20 15:52:05 +02:00

76 lines
1.7 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
'use strict';
/**
* An implementation of the `MutableRecordSource` interface (defined in
* `RelayStoreTypes`) that holds all records in memory.
*/
var RelayInMemoryRecordSource =
/*#__PURE__*/
function () {
function RelayInMemoryRecordSource(records) {
this._records = records || {};
}
var _proto = RelayInMemoryRecordSource.prototype;
_proto.clear = function clear() {
this._records = {};
};
_proto["delete"] = function _delete(dataID) {
this._records[dataID] = null;
};
_proto.get = function get(dataID) {
return this._records[dataID];
};
_proto.getRecordIDs = function getRecordIDs() {
return Object.keys(this._records);
};
_proto.getStatus = function getStatus(dataID) {
if (!this._records.hasOwnProperty(dataID)) {
return require("./RelayRecordState").UNKNOWN;
}
return this._records[dataID] == null ? require("./RelayRecordState").NONEXISTENT : require("./RelayRecordState").EXISTENT;
};
_proto.has = function has(dataID) {
return this._records.hasOwnProperty(dataID);
};
_proto.load = function load(dataID, callback) {
callback(null, this.get(dataID));
};
_proto.remove = function remove(dataID) {
delete this._records[dataID];
};
_proto.set = function set(dataID, record) {
this._records[dataID] = record;
};
_proto.size = function size() {
return Object.keys(this._records).length;
};
_proto.toJSON = function toJSON() {
return this._records;
};
return RelayInMemoryRecordSource;
}();
module.exports = RelayInMemoryRecordSource;