UniqueInstanceStateController.js 6.8 KB

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  1. "use strict";
  2. var _typeof = require("@babel/runtime-corejs3/helpers/typeof");
  3. var _WeakMap2 = require("@babel/runtime-corejs3/core-js-stable/weak-map");
  4. var _Object$defineProperty = require("@babel/runtime-corejs3/core-js-stable/object/define-property");
  5. var _Object$getOwnPropertyDescriptor = require("@babel/runtime-corejs3/core-js-stable/object/get-own-property-descriptor");
  6. var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");
  7. _Object$defineProperty(exports, "__esModule", {
  8. value: true
  9. });
  10. exports.clearAllState = clearAllState;
  11. exports.commitServerChanges = commitServerChanges;
  12. exports.duplicateState = duplicateState;
  13. exports.enqueueTask = enqueueTask;
  14. exports.estimateAttribute = estimateAttribute;
  15. exports.estimateAttributes = estimateAttributes;
  16. exports.getObjectCache = getObjectCache;
  17. exports.getPendingOps = getPendingOps;
  18. exports.getServerData = getServerData;
  19. exports.getState = getState;
  20. exports.initializeState = initializeState;
  21. exports.mergeFirstPendingState = mergeFirstPendingState;
  22. exports.popPendingState = popPendingState;
  23. exports.pushPendingState = pushPendingState;
  24. exports.removeState = removeState;
  25. exports.setPendingOp = setPendingOp;
  26. exports.setServerData = setServerData;
  27. var _weakMap = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/weak-map"));
  28. var ObjectStateMutations = _interopRequireWildcard(require("./ObjectStateMutations"));
  29. var _TaskQueue = _interopRequireDefault(require("./TaskQueue"));
  30. function _getRequireWildcardCache(nodeInterop) {
  31. if (typeof _WeakMap2 !== "function") return null;
  32. var cacheBabelInterop = new _WeakMap2();
  33. var cacheNodeInterop = new _WeakMap2();
  34. return (_getRequireWildcardCache = function (nodeInterop) {
  35. return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
  36. })(nodeInterop);
  37. }
  38. function _interopRequireWildcard(obj, nodeInterop) {
  39. if (!nodeInterop && obj && obj.__esModule) {
  40. return obj;
  41. }
  42. if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") {
  43. return {
  44. default: obj
  45. };
  46. }
  47. var cache = _getRequireWildcardCache(nodeInterop);
  48. if (cache && cache.has(obj)) {
  49. return cache.get(obj);
  50. }
  51. var newObj = {};
  52. for (var key in obj) {
  53. if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
  54. var desc = _Object$defineProperty && _Object$getOwnPropertyDescriptor ? _Object$getOwnPropertyDescriptor(obj, key) : null;
  55. if (desc && (desc.get || desc.set)) {
  56. _Object$defineProperty(newObj, key, desc);
  57. } else {
  58. newObj[key] = obj[key];
  59. }
  60. }
  61. }
  62. newObj.default = obj;
  63. if (cache) {
  64. cache.set(obj, newObj);
  65. }
  66. return newObj;
  67. }
  68. /**
  69. * Copyright (c) 2015-present, Parse, LLC.
  70. * All rights reserved.
  71. *
  72. * This source code is licensed under the BSD-style license found in the
  73. * LICENSE file in the root directory of this source tree. An additional grant
  74. * of patent rights can be found in the PATENTS file in the same directory.
  75. *
  76. * @flow
  77. */
  78. var objectState = new _weakMap.default();
  79. function getState(obj
  80. /*: ParseObject*/
  81. )
  82. /*: ?State*/
  83. {
  84. var classData = objectState.get(obj);
  85. return classData || null;
  86. }
  87. function initializeState(obj
  88. /*: ParseObject*/
  89. , initial
  90. /*:: ?: State*/
  91. )
  92. /*: State*/
  93. {
  94. var state = getState(obj);
  95. if (state) {
  96. return state;
  97. }
  98. if (!initial) {
  99. initial = {
  100. serverData: {},
  101. pendingOps: [{}],
  102. objectCache: {},
  103. tasks: new _TaskQueue.default(),
  104. existed: false
  105. };
  106. }
  107. state = initial;
  108. objectState.set(obj, state);
  109. return state;
  110. }
  111. function removeState(obj
  112. /*: ParseObject*/
  113. )
  114. /*: ?State*/
  115. {
  116. var state = getState(obj);
  117. if (state === null) {
  118. return null;
  119. }
  120. objectState.delete(obj);
  121. return state;
  122. }
  123. function getServerData(obj
  124. /*: ParseObject*/
  125. )
  126. /*: AttributeMap*/
  127. {
  128. var state = getState(obj);
  129. if (state) {
  130. return state.serverData;
  131. }
  132. return {};
  133. }
  134. function setServerData(obj
  135. /*: ParseObject*/
  136. , attributes
  137. /*: AttributeMap*/
  138. ) {
  139. var _initializeState = initializeState(obj),
  140. serverData = _initializeState.serverData;
  141. ObjectStateMutations.setServerData(serverData, attributes);
  142. }
  143. function getPendingOps(obj
  144. /*: ParseObject*/
  145. )
  146. /*: Array<OpsMap>*/
  147. {
  148. var state = getState(obj);
  149. if (state) {
  150. return state.pendingOps;
  151. }
  152. return [{}];
  153. }
  154. function setPendingOp(obj
  155. /*: ParseObject*/
  156. , attr
  157. /*: string*/
  158. , op
  159. /*: ?Op*/
  160. ) {
  161. var _initializeState2 = initializeState(obj),
  162. pendingOps = _initializeState2.pendingOps;
  163. ObjectStateMutations.setPendingOp(pendingOps, attr, op);
  164. }
  165. function pushPendingState(obj
  166. /*: ParseObject*/
  167. ) {
  168. var _initializeState3 = initializeState(obj),
  169. pendingOps = _initializeState3.pendingOps;
  170. ObjectStateMutations.pushPendingState(pendingOps);
  171. }
  172. function popPendingState(obj
  173. /*: ParseObject*/
  174. )
  175. /*: OpsMap*/
  176. {
  177. var _initializeState4 = initializeState(obj),
  178. pendingOps = _initializeState4.pendingOps;
  179. return ObjectStateMutations.popPendingState(pendingOps);
  180. }
  181. function mergeFirstPendingState(obj
  182. /*: ParseObject*/
  183. ) {
  184. var pendingOps = getPendingOps(obj);
  185. ObjectStateMutations.mergeFirstPendingState(pendingOps);
  186. }
  187. function getObjectCache(obj
  188. /*: ParseObject*/
  189. )
  190. /*: ObjectCache*/
  191. {
  192. var state = getState(obj);
  193. if (state) {
  194. return state.objectCache;
  195. }
  196. return {};
  197. }
  198. function estimateAttribute(obj
  199. /*: ParseObject*/
  200. , attr
  201. /*: string*/
  202. )
  203. /*: mixed*/
  204. {
  205. var serverData = getServerData(obj);
  206. var pendingOps = getPendingOps(obj);
  207. return ObjectStateMutations.estimateAttribute(serverData, pendingOps, obj.className, obj.id, attr);
  208. }
  209. function estimateAttributes(obj
  210. /*: ParseObject*/
  211. )
  212. /*: AttributeMap*/
  213. {
  214. var serverData = getServerData(obj);
  215. var pendingOps = getPendingOps(obj);
  216. return ObjectStateMutations.estimateAttributes(serverData, pendingOps, obj.className, obj.id);
  217. }
  218. function commitServerChanges(obj
  219. /*: ParseObject*/
  220. , changes
  221. /*: AttributeMap*/
  222. ) {
  223. var state = initializeState(obj);
  224. ObjectStateMutations.commitServerChanges(state.serverData, state.objectCache, changes);
  225. }
  226. function enqueueTask(obj
  227. /*: ParseObject*/
  228. , task
  229. /*: () => Promise*/
  230. )
  231. /*: Promise*/
  232. {
  233. var state = initializeState(obj);
  234. return state.tasks.enqueue(task);
  235. }
  236. function duplicateState(source
  237. /*: ParseObject*/
  238. , dest
  239. /*: ParseObject*/
  240. )
  241. /*: void*/
  242. {
  243. var oldState = initializeState(source);
  244. var newState = initializeState(dest);
  245. for (var key in oldState.serverData) {
  246. newState.serverData[key] = oldState.serverData[key];
  247. }
  248. for (var index = 0; index < oldState.pendingOps.length; index++) {
  249. for (var _key in oldState.pendingOps[index]) {
  250. newState.pendingOps[index][_key] = oldState.pendingOps[index][_key];
  251. }
  252. }
  253. for (var _key2 in oldState.objectCache) {
  254. newState.objectCache[_key2] = oldState.objectCache[_key2];
  255. }
  256. newState.existed = oldState.existed;
  257. }
  258. function clearAllState() {
  259. objectState = new _weakMap.default();
  260. }