UniqueInstanceStateController.js 6.6 KB

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  1. "use strict";
  2. var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");
  3. var _Object$getOwnPropertyDescriptor = require("@babel/runtime-corejs3/core-js-stable/object/get-own-property-descriptor");
  4. var _Object$defineProperty = require("@babel/runtime-corejs3/core-js-stable/object/define-property");
  5. var _typeof = require("@babel/runtime-corejs3/helpers/typeof");
  6. var _WeakMap2 = require("@babel/runtime-corejs3/core-js-stable/weak-map");
  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 serverData = initializeState(obj).serverData;
  140. ObjectStateMutations.setServerData(serverData, attributes);
  141. }
  142. function getPendingOps(obj
  143. /*: ParseObject*/
  144. )
  145. /*: Array<OpsMap>*/
  146. {
  147. var state = getState(obj);
  148. if (state) {
  149. return state.pendingOps;
  150. }
  151. return [{}];
  152. }
  153. function setPendingOp(obj
  154. /*: ParseObject*/
  155. , attr
  156. /*: string*/
  157. , op
  158. /*: ?Op*/
  159. ) {
  160. var pendingOps = initializeState(obj).pendingOps;
  161. ObjectStateMutations.setPendingOp(pendingOps, attr, op);
  162. }
  163. function pushPendingState(obj
  164. /*: ParseObject*/
  165. ) {
  166. var pendingOps = initializeState(obj).pendingOps;
  167. ObjectStateMutations.pushPendingState(pendingOps);
  168. }
  169. function popPendingState(obj
  170. /*: ParseObject*/
  171. )
  172. /*: OpsMap*/
  173. {
  174. var pendingOps = initializeState(obj).pendingOps;
  175. return ObjectStateMutations.popPendingState(pendingOps);
  176. }
  177. function mergeFirstPendingState(obj
  178. /*: ParseObject*/
  179. ) {
  180. var pendingOps = getPendingOps(obj);
  181. ObjectStateMutations.mergeFirstPendingState(pendingOps);
  182. }
  183. function getObjectCache(obj
  184. /*: ParseObject*/
  185. )
  186. /*: ObjectCache*/
  187. {
  188. var state = getState(obj);
  189. if (state) {
  190. return state.objectCache;
  191. }
  192. return {};
  193. }
  194. function estimateAttribute(obj
  195. /*: ParseObject*/
  196. , attr
  197. /*: string*/
  198. )
  199. /*: mixed*/
  200. {
  201. var serverData = getServerData(obj);
  202. var pendingOps = getPendingOps(obj);
  203. return ObjectStateMutations.estimateAttribute(serverData, pendingOps, obj.className, obj.id, attr);
  204. }
  205. function estimateAttributes(obj
  206. /*: ParseObject*/
  207. )
  208. /*: AttributeMap*/
  209. {
  210. var serverData = getServerData(obj);
  211. var pendingOps = getPendingOps(obj);
  212. return ObjectStateMutations.estimateAttributes(serverData, pendingOps, obj.className, obj.id);
  213. }
  214. function commitServerChanges(obj
  215. /*: ParseObject*/
  216. , changes
  217. /*: AttributeMap*/
  218. ) {
  219. var state = initializeState(obj);
  220. ObjectStateMutations.commitServerChanges(state.serverData, state.objectCache, changes);
  221. }
  222. function enqueueTask(obj
  223. /*: ParseObject*/
  224. , task
  225. /*: () => Promise*/
  226. )
  227. /*: Promise*/
  228. {
  229. var state = initializeState(obj);
  230. return state.tasks.enqueue(task);
  231. }
  232. function duplicateState(source
  233. /*: ParseObject*/
  234. , dest
  235. /*: ParseObject*/
  236. )
  237. /*: void*/
  238. {
  239. var oldState = initializeState(source);
  240. var newState = initializeState(dest);
  241. for (var key in oldState.serverData) {
  242. newState.serverData[key] = oldState.serverData[key];
  243. }
  244. for (var index = 0; index < oldState.pendingOps.length; index++) {
  245. for (var _key in oldState.pendingOps[index]) {
  246. newState.pendingOps[index][_key] = oldState.pendingOps[index][_key];
  247. }
  248. }
  249. for (var _key2 in oldState.objectCache) {
  250. newState.objectCache[_key2] = oldState.objectCache[_key2];
  251. }
  252. newState.existed = oldState.existed;
  253. }
  254. function clearAllState() {
  255. objectState = new _weakMap.default();
  256. }