parse
Version:
Parse JavaScript SDK
152 lines • 4.76 kB
JavaScript
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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 _interopRequireWildcard(e, t) {
if ("function" == typeof WeakMap) var r = new WeakMap(),
n = new WeakMap();
return (_interopRequireWildcard = function (e, t) {
if (!t && e && e.__esModule) return e;
var o,
i,
f = {
__proto__: null,
default: e
};
if (null === e || "object" != typeof e && "function" != typeof e) return f;
if (o = t ? n : r) {
if (o.has(e)) return o.get(e);
o.set(e, f);
}
for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]);
return f;
})(e, t);
}
var objectState = new WeakMap();
function getState(obj) {
var classData = objectState.get(obj);
return classData || null;
}
function initializeState(obj, initial) {
var 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) {
var state = getState(obj);
if (state === null) {
return null;
}
objectState.delete(obj);
return state;
}
function getServerData(obj) {
var state = getState(obj);
if (state) {
return state.serverData;
}
return {};
}
function setServerData(obj, attributes) {
var serverData = initializeState(obj).serverData;
ObjectStateMutations.setServerData(serverData, attributes);
}
function getPendingOps(obj) {
var state = getState(obj);
if (state) {
return state.pendingOps;
}
return [{}];
}
function setPendingOp(obj, attr, op) {
var pendingOps = initializeState(obj).pendingOps;
ObjectStateMutations.setPendingOp(pendingOps, attr, op);
}
function pushPendingState(obj) {
var pendingOps = initializeState(obj).pendingOps;
ObjectStateMutations.pushPendingState(pendingOps);
}
function popPendingState(obj) {
var pendingOps = initializeState(obj).pendingOps;
return ObjectStateMutations.popPendingState(pendingOps);
}
function mergeFirstPendingState(obj) {
var pendingOps = getPendingOps(obj);
ObjectStateMutations.mergeFirstPendingState(pendingOps);
}
function getObjectCache(obj) {
var state = getState(obj);
if (state) {
return state.objectCache;
}
return {};
}
function estimateAttribute(obj, attr) {
var serverData = getServerData(obj);
var pendingOps = getPendingOps(obj);
return ObjectStateMutations.estimateAttribute(serverData, pendingOps, obj, attr);
}
function estimateAttributes(obj) {
var serverData = getServerData(obj);
var pendingOps = getPendingOps(obj);
return ObjectStateMutations.estimateAttributes(serverData, pendingOps, obj);
}
function commitServerChanges(obj, changes) {
var state = initializeState(obj);
ObjectStateMutations.commitServerChanges(state.serverData, state.objectCache, changes);
}
function enqueueTask(obj, task) {
var state = initializeState(obj);
return state.tasks.enqueue(task);
}
function duplicateState(source, dest) {
var oldState = initializeState(source);
var newState = initializeState(dest);
for (var key in oldState.serverData) {
newState.serverData[key] = oldState.serverData[key];
}
for (var index = 0; index < oldState.pendingOps.length; index++) {
for (var _key in oldState.pendingOps[index]) {
newState.pendingOps[index][_key] = oldState.pendingOps[index][_key];
}
}
for (var _key2 in oldState.objectCache) {
newState.objectCache[_key2] = oldState.objectCache[_key2];
}
newState.existed = oldState.existed;
}
function clearAllState() {
objectState = new WeakMap();
}