UniqueInstanceStateController.js 4.8 KB

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  1. var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.clearAllState = clearAllState;
  6. exports.commitServerChanges = commitServerChanges;
  7. exports.duplicateState = duplicateState;
  8. exports.enqueueTask = enqueueTask;
  9. exports.estimateAttribute = estimateAttribute;
  10. exports.estimateAttributes = estimateAttributes;
  11. exports.getObjectCache = getObjectCache;
  12. exports.getPendingOps = getPendingOps;
  13. exports.getServerData = getServerData;
  14. exports.getState = getState;
  15. exports.initializeState = initializeState;
  16. exports.mergeFirstPendingState = mergeFirstPendingState;
  17. exports.popPendingState = popPendingState;
  18. exports.pushPendingState = pushPendingState;
  19. exports.removeState = removeState;
  20. exports.setPendingOp = setPendingOp;
  21. exports.setServerData = setServerData;
  22. var ObjectStateMutations = _interopRequireWildcard(require("./ObjectStateMutations"));
  23. var _TaskQueue = _interopRequireDefault(require("./TaskQueue"));
  24. function _getRequireWildcardCache(e) {
  25. if ("function" != typeof WeakMap) return null;
  26. var r = new WeakMap(),
  27. t = new WeakMap();
  28. return (_getRequireWildcardCache = function (e) {
  29. return e ? t : r;
  30. })(e);
  31. }
  32. function _interopRequireWildcard(e, r) {
  33. if (!r && e && e.__esModule) return e;
  34. if (null === e || "object" != typeof e && "function" != typeof e) return {
  35. default: e
  36. };
  37. var t = _getRequireWildcardCache(r);
  38. if (t && t.has(e)) return t.get(e);
  39. var n = {
  40. __proto__: null
  41. },
  42. a = Object.defineProperty && Object.getOwnPropertyDescriptor;
  43. for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) {
  44. var i = a ? Object.getOwnPropertyDescriptor(e, u) : null;
  45. i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u];
  46. }
  47. return n.default = e, t && t.set(e, n), n;
  48. }
  49. var objectState = new WeakMap();
  50. function getState(obj) {
  51. var classData = objectState.get(obj);
  52. return classData || null;
  53. }
  54. function initializeState(obj, initial) {
  55. var state = getState(obj);
  56. if (state) {
  57. return state;
  58. }
  59. if (!initial) {
  60. initial = {
  61. serverData: {},
  62. pendingOps: [{}],
  63. objectCache: {},
  64. tasks: new _TaskQueue.default(),
  65. existed: false
  66. };
  67. }
  68. state = initial;
  69. objectState.set(obj, state);
  70. return state;
  71. }
  72. function removeState(obj) {
  73. var state = getState(obj);
  74. if (state === null) {
  75. return null;
  76. }
  77. objectState.delete(obj);
  78. return state;
  79. }
  80. function getServerData(obj) {
  81. var state = getState(obj);
  82. if (state) {
  83. return state.serverData;
  84. }
  85. return {};
  86. }
  87. function setServerData(obj, attributes) {
  88. var serverData = initializeState(obj).serverData;
  89. ObjectStateMutations.setServerData(serverData, attributes);
  90. }
  91. function getPendingOps(obj) {
  92. var state = getState(obj);
  93. if (state) {
  94. return state.pendingOps;
  95. }
  96. return [{}];
  97. }
  98. function setPendingOp(obj, attr, op) {
  99. var pendingOps = initializeState(obj).pendingOps;
  100. ObjectStateMutations.setPendingOp(pendingOps, attr, op);
  101. }
  102. function pushPendingState(obj) {
  103. var pendingOps = initializeState(obj).pendingOps;
  104. ObjectStateMutations.pushPendingState(pendingOps);
  105. }
  106. function popPendingState(obj) {
  107. var pendingOps = initializeState(obj).pendingOps;
  108. return ObjectStateMutations.popPendingState(pendingOps);
  109. }
  110. function mergeFirstPendingState(obj) {
  111. var pendingOps = getPendingOps(obj);
  112. ObjectStateMutations.mergeFirstPendingState(pendingOps);
  113. }
  114. function getObjectCache(obj) {
  115. var state = getState(obj);
  116. if (state) {
  117. return state.objectCache;
  118. }
  119. return {};
  120. }
  121. function estimateAttribute(obj, attr) {
  122. var serverData = getServerData(obj);
  123. var pendingOps = getPendingOps(obj);
  124. return ObjectStateMutations.estimateAttribute(serverData, pendingOps, obj, attr);
  125. }
  126. function estimateAttributes(obj) {
  127. var serverData = getServerData(obj);
  128. var pendingOps = getPendingOps(obj);
  129. return ObjectStateMutations.estimateAttributes(serverData, pendingOps, obj);
  130. }
  131. function commitServerChanges(obj, changes) {
  132. var state = initializeState(obj);
  133. ObjectStateMutations.commitServerChanges(state.serverData, state.objectCache, changes);
  134. }
  135. function enqueueTask(obj, task) {
  136. var state = initializeState(obj);
  137. return state.tasks.enqueue(task);
  138. }
  139. function duplicateState(source, dest) {
  140. var oldState = initializeState(source);
  141. var newState = initializeState(dest);
  142. for (var key in oldState.serverData) {
  143. newState.serverData[key] = oldState.serverData[key];
  144. }
  145. for (var index = 0; index < oldState.pendingOps.length; index++) {
  146. for (var _key in oldState.pendingOps[index]) {
  147. newState.pendingOps[index][_key] = oldState.pendingOps[index][_key];
  148. }
  149. }
  150. for (var _key2 in oldState.objectCache) {
  151. newState.objectCache[_key2] = oldState.objectCache[_key2];
  152. }
  153. newState.existed = oldState.existed;
  154. }
  155. function clearAllState() {
  156. objectState = new WeakMap();
  157. }