Eve-Project/app-node/node_modules/parse/lib/node/UniqueInstanceStateController.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.clearAllState = clearAllState;
exports.commitServerChanges = commitServerChanges;
exports.duplicateState = duplicateState;
exports.enqueueTask = enqueueTask;
exports.estimateAttribute = estimateAttribute;
exports.estimateAttributes = estimateAttributes;
exports.getObjectCache = getObjectCache;
exports.getPendingOps = getPendingOps;
exports.getServerData = getServerData;
exports.getState = getState;
exports.initializeState = initializeState;
exports.mergeFirstPendingState = mergeFirstPendingState;
exports.popPendingState = popPendingState;
exports.pushPendingState = pushPendingState;
exports.removeState = removeState;
exports.setPendingOp = setPendingOp;
exports.setServerData = setServerData;
var ObjectStateMutations = _interopRequireWildcard(require("./ObjectStateMutations"));
var _TaskQueue = _interopRequireDefault(require("./TaskQueue"));
function _interopRequireDefault(obj) {
  return obj && obj.__esModule ? obj : {
    default: obj
  };
}
function _getRequireWildcardCache(nodeInterop) {
  if (typeof WeakMap !== "function") return null;
  var cacheBabelInterop = new WeakMap();
  var cacheNodeInterop = new WeakMap();
  return (_getRequireWildcardCache = function (nodeInterop) {
    return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
  })(nodeInterop);
}
function _interopRequireWildcard(obj, nodeInterop) {
  if (!nodeInterop && obj && obj.__esModule) {
    return obj;
  }
  if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
    return {
      default: obj
    };
  }
  var cache = _getRequireWildcardCache(nodeInterop);
  if (cache && cache.has(obj)) {
    return cache.get(obj);
  }
  var newObj = {};
  var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
  for (var key in obj) {
    if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
      var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
      if (desc && (desc.get || desc.set)) {
        Object.defineProperty(newObj, key, desc);
      } else {
        newObj[key] = obj[key];
      }
    }
  }
  newObj.default = obj;
  if (cache) {
    cache.set(obj, newObj);
  }
  return newObj;
}
/**
 * @flow
 */
/*:: import type { Op } from './ParseOp';*/
/*:: import type ParseObject from './ParseObject';*/
/*:: import type { AttributeMap, ObjectCache, OpsMap, State } from './ObjectStateMutations';*/
let objectState = new WeakMap();
function getState(obj /*: ParseObject*/) /*: ?State*/{
  const classData = objectState.get(obj);
  return classData || null;
}
function initializeState(obj /*: ParseObject*/, initial /*:: ?: State*/) /*: State*/{
  let state = getState(obj);
  if (state) {
    return state;
  }
  if (!initial) {
    initial = {
      serverData: {},
      pendingOps: [{}],
      objectCache: {},
      tasks: new _TaskQueue.default(),
      existed: false
    };
  }
  state = initial;
  objectState.set(obj, state);
  return state;
}
function removeState(obj /*: ParseObject*/) /*: ?State*/{
  const state = getState(obj);
  if (state === null) {
    return null;
  }
  objectState.delete(obj);
  return state;
}
function getServerData(obj /*: ParseObject*/) /*: AttributeMap*/{
  const state = getState(obj);
  if (state) {
    return state.serverData;
  }
  return {};
}
function setServerData(obj /*: ParseObject*/, attributes /*: AttributeMap*/) {
  const serverData = initializeState(obj).serverData;
  ObjectStateMutations.setServerData(serverData, attributes);
}
function getPendingOps(obj /*: ParseObject*/) /*: Array<OpsMap>*/{
  const state = getState(obj);
  if (state) {
    return state.pendingOps;
  }
  return [{}];
}
function setPendingOp(obj /*: ParseObject*/, attr /*: string*/, op /*: ?Op*/) {
  const pendingOps = initializeState(obj).pendingOps;
  ObjectStateMutations.setPendingOp(pendingOps, attr, op);
}
function pushPendingState(obj /*: ParseObject*/) {
  const pendingOps = initializeState(obj).pendingOps;
  ObjectStateMutations.pushPendingState(pendingOps);
}
function popPendingState(obj /*: ParseObject*/) /*: OpsMap*/{
  const pendingOps = initializeState(obj).pendingOps;
  return ObjectStateMutations.popPendingState(pendingOps);
}
function mergeFirstPendingState(obj /*: ParseObject*/) {
  const pendingOps = getPendingOps(obj);
  ObjectStateMutations.mergeFirstPendingState(pendingOps);
}
function getObjectCache(obj /*: ParseObject*/) /*: ObjectCache*/{
  const state = getState(obj);
  if (state) {
    return state.objectCache;
  }
  return {};
}
function estimateAttribute(obj /*: ParseObject*/, attr /*: string*/) /*: mixed*/{
  const serverData = getServerData(obj);
  const pendingOps = getPendingOps(obj);
  return ObjectStateMutations.estimateAttribute(serverData, pendingOps, obj.className, obj.id, attr);
}
function estimateAttributes(obj /*: ParseObject*/) /*: AttributeMap*/{
  const serverData = getServerData(obj);
  const pendingOps = getPendingOps(obj);
  return ObjectStateMutations.estimateAttributes(serverData, pendingOps, obj.className, obj.id);
}
function commitServerChanges(obj /*: ParseObject*/, changes /*: AttributeMap*/) {
  const state = initializeState(obj);
  ObjectStateMutations.commitServerChanges(state.serverData, state.objectCache, changes);
}
function enqueueTask(obj /*: ParseObject*/, task /*: () => Promise*/) /*: Promise*/{
  const state = initializeState(obj);
  return state.tasks.enqueue(task);
}
function duplicateState(source /*: ParseObject*/, dest /*: ParseObject*/) /*: void*/{
  const oldState = initializeState(source);
  const newState = initializeState(dest);
  for (const key in oldState.serverData) {
    newState.serverData[key] = oldState.serverData[key];
  }
  for (let index = 0; index < oldState.pendingOps.length; index++) {
    for (const key in oldState.pendingOps[index]) {
      newState.pendingOps[index][key] = oldState.pendingOps[index][key];
    }
  }
  for (const key in oldState.objectCache) {
    newState.objectCache[key] = oldState.objectCache[key];
  }
  newState.existed = oldState.existed;
}
function clearAllState() {
  objectState = new WeakMap();
}