UniqueInstanceStateController.js 5.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162
  1. "use strict";
  2. var _WeakMap2 = require("@babel/runtime-corejs3/core-js-stable/weak-map");
  3. var _Object$defineProperty = require("@babel/runtime-corejs3/core-js-stable/object/define-property");
  4. var _Object$getOwnPropertyDescriptor = require("@babel/runtime-corejs3/core-js-stable/object/get-own-property-descriptor");
  5. var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");
  6. _Object$defineProperty(exports, "__esModule", {
  7. value: true
  8. });
  9. exports.clearAllState = clearAllState;
  10. exports.commitServerChanges = commitServerChanges;
  11. exports.duplicateState = duplicateState;
  12. exports.enqueueTask = enqueueTask;
  13. exports.estimateAttribute = estimateAttribute;
  14. exports.estimateAttributes = estimateAttributes;
  15. exports.getObjectCache = getObjectCache;
  16. exports.getPendingOps = getPendingOps;
  17. exports.getServerData = getServerData;
  18. exports.getState = getState;
  19. exports.initializeState = initializeState;
  20. exports.mergeFirstPendingState = mergeFirstPendingState;
  21. exports.popPendingState = popPendingState;
  22. exports.pushPendingState = pushPendingState;
  23. exports.removeState = removeState;
  24. exports.setPendingOp = setPendingOp;
  25. exports.setServerData = setServerData;
  26. var _weakMap = _interopRequireDefault(require("@babel/runtime-corejs3/core-js-stable/weak-map"));
  27. var ObjectStateMutations = _interopRequireWildcard(require("./ObjectStateMutations"));
  28. var _TaskQueue = _interopRequireDefault(require("./TaskQueue"));
  29. function _getRequireWildcardCache(e) {
  30. if ("function" != typeof _WeakMap2) return null;
  31. var r = new _WeakMap2(),
  32. t = new _WeakMap2();
  33. return (_getRequireWildcardCache = function (e) {
  34. return e ? t : r;
  35. })(e);
  36. }
  37. function _interopRequireWildcard(e, r) {
  38. if (!r && e && e.__esModule) return e;
  39. if (null === e || "object" != typeof e && "function" != typeof e) return {
  40. default: e
  41. };
  42. var t = _getRequireWildcardCache(r);
  43. if (t && t.has(e)) return t.get(e);
  44. var n = {
  45. __proto__: null
  46. };
  47. for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) {
  48. var i = _Object$defineProperty && _Object$getOwnPropertyDescriptor ? _Object$getOwnPropertyDescriptor(e, u) : null;
  49. i && (i.get || i.set) ? _Object$defineProperty(n, u, i) : n[u] = e[u];
  50. }
  51. return n.default = e, t && t.set(e, n), n;
  52. }
  53. let objectState = new _weakMap.default();
  54. function getState(obj) {
  55. const classData = objectState.get(obj);
  56. return classData || null;
  57. }
  58. function initializeState(obj, initial) {
  59. let state = getState(obj);
  60. if (state) {
  61. return state;
  62. }
  63. if (!initial) {
  64. initial = {
  65. serverData: {},
  66. pendingOps: [{}],
  67. objectCache: {},
  68. tasks: new _TaskQueue.default(),
  69. existed: false
  70. };
  71. }
  72. state = initial;
  73. objectState.set(obj, state);
  74. return state;
  75. }
  76. function removeState(obj) {
  77. const state = getState(obj);
  78. if (state === null) {
  79. return null;
  80. }
  81. objectState.delete(obj);
  82. return state;
  83. }
  84. function getServerData(obj) {
  85. const state = getState(obj);
  86. if (state) {
  87. return state.serverData;
  88. }
  89. return {};
  90. }
  91. function setServerData(obj, attributes) {
  92. const serverData = initializeState(obj).serverData;
  93. ObjectStateMutations.setServerData(serverData, attributes);
  94. }
  95. function getPendingOps(obj) {
  96. const state = getState(obj);
  97. if (state) {
  98. return state.pendingOps;
  99. }
  100. return [{}];
  101. }
  102. function setPendingOp(obj, attr, op) {
  103. const pendingOps = initializeState(obj).pendingOps;
  104. ObjectStateMutations.setPendingOp(pendingOps, attr, op);
  105. }
  106. function pushPendingState(obj) {
  107. const pendingOps = initializeState(obj).pendingOps;
  108. ObjectStateMutations.pushPendingState(pendingOps);
  109. }
  110. function popPendingState(obj) {
  111. const pendingOps = initializeState(obj).pendingOps;
  112. return ObjectStateMutations.popPendingState(pendingOps);
  113. }
  114. function mergeFirstPendingState(obj) {
  115. const pendingOps = getPendingOps(obj);
  116. ObjectStateMutations.mergeFirstPendingState(pendingOps);
  117. }
  118. function getObjectCache(obj) {
  119. const state = getState(obj);
  120. if (state) {
  121. return state.objectCache;
  122. }
  123. return {};
  124. }
  125. function estimateAttribute(obj, attr) {
  126. const serverData = getServerData(obj);
  127. const pendingOps = getPendingOps(obj);
  128. return ObjectStateMutations.estimateAttribute(serverData, pendingOps, obj, attr);
  129. }
  130. function estimateAttributes(obj) {
  131. const serverData = getServerData(obj);
  132. const pendingOps = getPendingOps(obj);
  133. return ObjectStateMutations.estimateAttributes(serverData, pendingOps, obj);
  134. }
  135. function commitServerChanges(obj, changes) {
  136. const state = initializeState(obj);
  137. ObjectStateMutations.commitServerChanges(state.serverData, state.objectCache, changes);
  138. }
  139. function enqueueTask(obj, task) {
  140. const state = initializeState(obj);
  141. return state.tasks.enqueue(task);
  142. }
  143. function duplicateState(source, dest) {
  144. const oldState = initializeState(source);
  145. const newState = initializeState(dest);
  146. for (const key in oldState.serverData) {
  147. newState.serverData[key] = oldState.serverData[key];
  148. }
  149. for (let index = 0; index < oldState.pendingOps.length; index++) {
  150. for (const key in oldState.pendingOps[index]) {
  151. newState.pendingOps[index][key] = oldState.pendingOps[index][key];
  152. }
  153. }
  154. for (const key in oldState.objectCache) {
  155. newState.objectCache[key] = oldState.objectCache[key];
  156. }
  157. newState.existed = oldState.existed;
  158. }
  159. function clearAllState() {
  160. objectState = new _weakMap.default();
  161. }