syncflow-engine
Version:
A flexible and robust data synchronization library for JavaScript applications
201 lines (200 loc) • 8.98 kB
JavaScript
"use strict";
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MemorySyncStore = void 0;
var MemorySyncStore = /** @class */ (function () {
function MemorySyncStore() {
this.operations = [];
this.entities = new Map();
this.isServer = typeof window === "undefined";
if (!this.isServer) {
this.loadFromStorage();
}
}
MemorySyncStore.prototype.loadFromStorage = function () {
var _this = this;
try {
if (this.isServer)
return;
var storedOps = window.localStorage.getItem("sync_operations");
var storedEntities = window.localStorage.getItem("sync_entities");
if (storedOps) {
this.operations = JSON.parse(storedOps);
}
if (storedEntities) {
var parsedEntities = JSON.parse(storedEntities);
this.entities = new Map();
Object.entries(parsedEntities).forEach(function (_a) {
var key = _a[0], value = _a[1];
_this.entities.set(key, value);
});
}
}
catch (error) {
console.error("Error loading from storage:", error);
}
};
MemorySyncStore.prototype.saveToStorage = function () {
try {
if (this.isServer)
return;
if (this.operations.length > 0) {
window.localStorage.setItem("sync_operations", JSON.stringify(this.operations));
}
else {
window.localStorage.removeItem("sync_operations");
}
if (this.entities.size > 0) {
window.localStorage.setItem("sync_entities", JSON.stringify(Object.fromEntries(this.entities)));
}
else {
window.localStorage.removeItem("sync_entities");
}
}
catch (error) {
console.error("Error saving to storage:", error);
}
};
MemorySyncStore.prototype.getOperations = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, __spreadArray([], this.operations, true)];
});
});
};
MemorySyncStore.prototype.addOperation = function (operation) {
return __awaiter(this, void 0, void 0, function () {
var newOperation;
return __generator(this, function (_a) {
newOperation = __assign(__assign({}, operation), { id: crypto.randomUUID(), timestamp: Date.now() });
this.operations.push(newOperation);
this.saveToStorage();
return [2 /*return*/];
});
});
};
MemorySyncStore.prototype.updateOperation = function (id, updates) {
return __awaiter(this, void 0, void 0, function () {
var index;
return __generator(this, function (_a) {
index = this.operations.findIndex(function (op) { return op.id === id; });
if (index !== -1) {
this.operations[index] = __assign(__assign({}, this.operations[index]), updates);
this.saveToStorage();
}
return [2 /*return*/];
});
});
};
MemorySyncStore.prototype.removeOperation = function (id) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
this.operations = this.operations.filter(function (op) { return op.id !== id; });
if (this.operations.length === 0) {
if (!this.isServer) {
window.localStorage.removeItem("sync_operations");
}
}
else {
this.saveToStorage();
}
return [2 /*return*/];
});
});
};
MemorySyncStore.prototype.getEntities = function (entityType) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.entities.get(entityType) || []];
});
});
};
MemorySyncStore.prototype.saveEntities = function (entityType, entities) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (entities.length === 0) {
this.entities.delete(entityType);
// If no entities left for this type, update storage
if (!this.isServer && this.entities.size === 0) {
window.localStorage.removeItem("sync_entities");
}
}
else {
this.entities.set(entityType, entities);
}
this.saveToStorage();
return [2 /*return*/];
});
});
};
MemorySyncStore.prototype.cleanStorage = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (this.isServer)
return [2 /*return*/];
this.operations = [];
this.entities = new Map();
window.localStorage.removeItem("sync_operations");
window.localStorage.removeItem("sync_entities");
return [2 /*return*/];
});
});
};
return MemorySyncStore;
}());
exports.MemorySyncStore = MemorySyncStore;