UniqueInstanceStateController.js 6.4 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. * @flow
  70. */
  71. /*:: import type { Op } from './ParseOp';*/
  72. /*:: import type ParseObject from './ParseObject';*/
  73. /*:: import type { AttributeMap, ObjectCache, OpsMap, State } from './ObjectStateMutations';*/
  74. var objectState = new _weakMap.default();
  75. function getState(obj /*: ParseObject*/) /*: ?State*/{
  76. var classData = objectState.get(obj);
  77. return classData || null;
  78. }
  79. function initializeState(obj /*: ParseObject*/, initial /*:: ?: State*/) /*: State*/{
  80. var state = getState(obj);
  81. if (state) {
  82. return state;
  83. }
  84. if (!initial) {
  85. initial = {
  86. serverData: {},
  87. pendingOps: [{}],
  88. objectCache: {},
  89. tasks: new _TaskQueue.default(),
  90. existed: false
  91. };
  92. }
  93. state = initial;
  94. objectState.set(obj, state);
  95. return state;
  96. }
  97. function removeState(obj /*: ParseObject*/) /*: ?State*/{
  98. var state = getState(obj);
  99. if (state === null) {
  100. return null;
  101. }
  102. objectState.delete(obj);
  103. return state;
  104. }
  105. function getServerData(obj /*: ParseObject*/) /*: AttributeMap*/{
  106. var state = getState(obj);
  107. if (state) {
  108. return state.serverData;
  109. }
  110. return {};
  111. }
  112. function setServerData(obj /*: ParseObject*/, attributes /*: AttributeMap*/) {
  113. var serverData = initializeState(obj).serverData;
  114. ObjectStateMutations.setServerData(serverData, attributes);
  115. }
  116. function getPendingOps(obj /*: ParseObject*/) /*: Array<OpsMap>*/{
  117. var state = getState(obj);
  118. if (state) {
  119. return state.pendingOps;
  120. }
  121. return [{}];
  122. }
  123. function setPendingOp(obj /*: ParseObject*/, attr /*: string*/, op /*: ?Op*/) {
  124. var pendingOps = initializeState(obj).pendingOps;
  125. ObjectStateMutations.setPendingOp(pendingOps, attr, op);
  126. }
  127. function pushPendingState(obj /*: ParseObject*/) {
  128. var pendingOps = initializeState(obj).pendingOps;
  129. ObjectStateMutations.pushPendingState(pendingOps);
  130. }
  131. function popPendingState(obj /*: ParseObject*/) /*: OpsMap*/{
  132. var pendingOps = initializeState(obj).pendingOps;
  133. return ObjectStateMutations.popPendingState(pendingOps);
  134. }
  135. function mergeFirstPendingState(obj /*: ParseObject*/) {
  136. var pendingOps = getPendingOps(obj);
  137. ObjectStateMutations.mergeFirstPendingState(pendingOps);
  138. }
  139. function getObjectCache(obj /*: ParseObject*/) /*: ObjectCache*/{
  140. var state = getState(obj);
  141. if (state) {
  142. return state.objectCache;
  143. }
  144. return {};
  145. }
  146. function estimateAttribute(obj /*: ParseObject*/, attr /*: string*/) /*: mixed*/{
  147. var serverData = getServerData(obj);
  148. var pendingOps = getPendingOps(obj);
  149. return ObjectStateMutations.estimateAttribute(serverData, pendingOps, obj.className, obj.id, attr);
  150. }
  151. function estimateAttributes(obj /*: ParseObject*/) /*: AttributeMap*/{
  152. var serverData = getServerData(obj);
  153. var pendingOps = getPendingOps(obj);
  154. return ObjectStateMutations.estimateAttributes(serverData, pendingOps, obj.className, obj.id);
  155. }
  156. function commitServerChanges(obj /*: ParseObject*/, changes /*: AttributeMap*/) {
  157. var state = initializeState(obj);
  158. ObjectStateMutations.commitServerChanges(state.serverData, state.objectCache, changes);
  159. }
  160. function enqueueTask(obj /*: ParseObject*/, task /*: () => Promise*/) /*: Promise*/{
  161. var state = initializeState(obj);
  162. return state.tasks.enqueue(task);
  163. }
  164. function duplicateState(source /*: ParseObject*/, dest /*: ParseObject*/) /*: void*/{
  165. var oldState = initializeState(source);
  166. var newState = initializeState(dest);
  167. for (var key in oldState.serverData) {
  168. newState.serverData[key] = oldState.serverData[key];
  169. }
  170. for (var index = 0; index < oldState.pendingOps.length; index++) {
  171. for (var _key in oldState.pendingOps[index]) {
  172. newState.pendingOps[index][_key] = oldState.pendingOps[index][_key];
  173. }
  174. }
  175. for (var _key2 in oldState.objectCache) {
  176. newState.objectCache[_key2] = oldState.objectCache[_key2];
  177. }
  178. newState.existed = oldState.existed;
  179. }
  180. function clearAllState() {
  181. objectState = new _weakMap.default();
  182. }