sardines-built-in-services
Version:
A built-in service provider for sardines.js
250 lines (249 loc) • 11.9 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
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.RedisCache = exports.defaultRedisOperationOptions = exports.RedisDataType = void 0;
var redis = require("redis");
var base_1 = require("./base");
var defaultServerSettings = {
host: '127.0.0.1',
port: 6379,
return_buffers: false,
detect_buffers: false,
family: 'IPv4',
retry_strategy: null,
db: 0
};
var mergeDefaultServerSettings = function (serverSettings) {
var newSettings = Object.assign({}, defaultServerSettings, serverSettings);
var redundentKeys = ['host', 'port'];
if (typeof serverSettings.host === 'undefined') {
for (var _i = 0, redundentKeys_1 = redundentKeys; _i < redundentKeys_1.length; _i++) {
var key = redundentKeys_1[_i];
delete newSettings[key];
}
}
return newSettings;
};
var RedisDataType;
(function (RedisDataType) {
RedisDataType["string"] = "string";
RedisDataType["number"] = "number";
RedisDataType["boolean"] = "boolean";
RedisDataType["object"] = "object";
})(RedisDataType = exports.RedisDataType || (exports.RedisDataType = {}));
exports.defaultRedisOperationOptions = {
dataType: RedisDataType.string,
expire: -1
};
var mergeDefaultRedisOperationOptions = function (options) {
var newOptions = Object.assign({}, exports.defaultRedisOperationOptions, options);
return newOptions;
};
var RedisCache = (function (_super) {
__extends(RedisCache, _super);
function RedisCache(serverSettings) {
var _this = _super.call(this) || this;
_this.max_reconnect_retry_time = 1000 * 60 * 60;
_this.max_reconnect_attempts = 10;
_this.max_reconnect_interval = 5000;
_this.serverSettings = mergeDefaultServerSettings(serverSettings);
return _this;
}
Object.defineProperty(RedisCache.prototype, "connected", {
get: function () {
return this.client && this.client.connected;
},
enumerable: false,
configurable: true
});
RedisCache.prototype.connect = function (serverSettings) {
if (serverSettings === void 0) { serverSettings = null; }
return __awaiter(this, void 0, void 0, function () {
var that_1;
var _this = this;
return __generator(this, function (_a) {
if (this.connected)
return [2];
if (serverSettings) {
this.serverSettings = mergeDefaultServerSettings(serverSettings);
}
if (!this.serverSettings.retry_strategy && this.serverSettings.retry_strategy !== false) {
that_1 = this;
this.serverSettings.retry_strategy = function (options) {
if (options.error && options.error.code === "ECONNREFUSED") {
return new Error("The server refused the connection");
}
if (options.total_retry_time > that_1.max_reconnect_retry_time) {
return new Error("Retry time exhausted");
}
if (options.attempt > that_1.max_reconnect_attempts) {
return undefined;
}
return Math.min(options.attempt * 100, that_1.max_reconnect_interval);
};
}
this.client = redis.createClient(this.serverSettings);
return [2, new Promise(function (resolve, reject) {
if (_this.serverSettings.password) {
_this.client.auth(_this.serverSettings.password, function (err) {
if (err) {
console.error('redis auth error:', err);
reject(err);
}
});
}
if (typeof _this.serverSettings.db !== 'undefined') {
try {
_this.client.select(_this.serverSettings.db, function (err) {
if (err) {
console.error('redis select db error:', err);
reject(err);
}
});
}
catch (e) {
reject(e);
}
}
_this.client.on('error', function (err) {
console.error('redis connection error:', err);
reject(err);
});
_this.client.on('ready', function () {
resolve(_this.client.connected);
});
})];
});
});
};
RedisCache.prototype.get = function (key, options) {
return __awaiter(this, void 0, void 0, function () {
var theOptions;
var _this = this;
return __generator(this, function (_a) {
theOptions = mergeDefaultRedisOperationOptions(options);
return [2, new Promise(function (resolve, reject) {
var handler = _this.client.get;
if (theOptions.dataType === RedisDataType.object) {
handler = _this.client.hgetall;
}
var args = [key, function (err, res) {
if (err)
reject(err);
switch (theOptions.dataType) {
case RedisDataType.number:
resolve((res === null) ? Number.NaN : Number(res));
break;
case RedisDataType.boolean:
resolve((res === 'true' ? true : false));
break;
default:
resolve(res);
break;
}
}];
handler.apply(_this.client, args);
})];
});
});
};
RedisCache.prototype.del = function (key) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2, new Promise(function (resolve, reject) {
_this.client.del(key, function (err, res) {
if (err)
reject(err);
resolve(res);
});
})];
});
});
};
RedisCache.prototype.set = function (key, obj, options) {
return __awaiter(this, void 0, void 0, function () {
var theOptions;
var _this = this;
return __generator(this, function (_a) {
theOptions = mergeDefaultRedisOperationOptions(options);
return [2, new Promise(function (resolve, reject) {
var args = [key];
var handler = _this.client.set;
if (theOptions.dataType === RedisDataType.object
|| (typeof obj === 'object' && Object.keys(obj).length > 0)) {
for (var _i = 0, _a = Object.keys(obj); _i < _a.length; _i++) {
var k = _a[_i];
args.push(k);
args.push(obj[k]);
}
handler = _this.client.hmset;
}
else {
args.push(obj);
}
if (typeof theOptions.expire !== 'undefined' && theOptions.expire > 0) {
args.push('EX');
args.push(theOptions.expire);
}
args.push(function (err, res) {
if (err)
reject(err);
resolve(res);
});
handler.apply(_this.client, args);
})];
});
});
};
return RedisCache;
}(base_1.StorageBase));
exports.RedisCache = RedisCache;