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@omgovich/firebase-functions-rate-limiter

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JS/TS library that allows you to set per - time, per - user or per - anything limits for calling Firebase cloud functions

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"use strict"; 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 (_) 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 }; } }; Object.defineProperty(exports, "__esModule", { value: true }); exports.FirestorePersistenceProvider = void 0; var ow_1 = require("ow"); var PersistenceRecord_1 = require("./PersistenceRecord"); var FirestorePersistenceProvider = /** @class */ (function () { /* istanbul ignore next (debugFn), because typescript injects if for default parameters */ function FirestorePersistenceProvider(firestore, debugFn) { if (debugFn === void 0) { debugFn = function (msg) { /* */ }; } this.firestore = firestore; (0, ow_1.default)(this.firestore, "firestore", ow_1.default.object); this.debugFn = debugFn; } FirestorePersistenceProvider.prototype.updateAndGet = function (collectionName, recordName, updaterFn) { return __awaiter(this, void 0, void 0, function () { var result; var _this = this; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this.runTransaction(function () { return __awaiter(_this, void 0, void 0, function () { var record, updatedRecord; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this.getRecord(collectionName, recordName)]; case 1: record = _a.sent(); updatedRecord = updaterFn(record); if (!this.hasRecordChanged(record, updatedRecord)) return [3 /*break*/, 3]; return [4 /*yield*/, this.saveRecord(collectionName, recordName, updatedRecord)]; case 2: _a.sent(); _a.label = 3; case 3: result = updatedRecord; return [2 /*return*/]; } }); }); })]; case 1: _a.sent(); /* istanbul ignore next */ if (!result) throw new Error("FirestorePersistenceProvider: Persistence record could not be updated"); return [2 /*return*/, result]; } }); }); }; FirestorePersistenceProvider.prototype.get = function (collectionName, recordName) { return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this.getRecord(collectionName, recordName)]; case 1: return [2 /*return*/, _a.sent()]; } }); }); }; FirestorePersistenceProvider.prototype.setDebugFn = function (debugFn) { this.debugFn = debugFn; }; FirestorePersistenceProvider.prototype.runTransaction = function (asyncTransactionFn) { return __awaiter(this, void 0, void 0, function () { var _this = this; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this.firestore.runTransaction(function (transaction) { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, asyncTransactionFn()]; case 1: _a.sent(); return [2 /*return*/]; } }); }); })]; case 1: return [2 /*return*/, _a.sent()]; } }); }); }; FirestorePersistenceProvider.prototype.getRecord = function (collectionName, recordName) { return __awaiter(this, void 0, void 0, function () { var docSnapshot, record; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this.getDocumentRef(collectionName, recordName).get()]; case 1: docSnapshot = _a.sent(); this.debugFn("Got record from collection=" + collectionName + ", document=" + recordName); if (!docSnapshot.exists) return [2 /*return*/, this.createEmptyRecord()]; record = docSnapshot.data(); PersistenceRecord_1.PersistenceRecord.validate(record); return [2 /*return*/, record]; } }); }); }; FirestorePersistenceProvider.prototype.saveRecord = function (collectionName, recordName, record) { return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) { switch (_a.label) { case 0: this.debugFn("Save record collection=" + collectionName + ", document=" + recordName); return [4 /*yield*/, this.getDocumentRef(collectionName, recordName).set(record)]; case 1: _a.sent(); return [2 /*return*/]; } }); }); }; FirestorePersistenceProvider.prototype.getDocumentRef = function (collectionName, recordName) { return this.firestore.collection(collectionName).doc(recordName); }; FirestorePersistenceProvider.prototype.createEmptyRecord = function () { return { u: [], }; }; FirestorePersistenceProvider.prototype.hasRecordChanged = function (oldRecord, newRecord) { if (oldRecord.u.length !== newRecord.u.length) { return true; } else { var a1 = oldRecord.u.concat().sort(); var a2 = newRecord.u.concat().sort(); for (var i = 0; i < a1.length; i++) { if (a1[i] !== a2[i]) return true; } return false; } }; return FirestorePersistenceProvider; }()); exports.FirestorePersistenceProvider = FirestorePersistenceProvider; //# sourceMappingURL=FirestorePersistenceProvider.js.map