rubik-sdk
Version:
Simplify dApp creation
184 lines • 8.07 kB
JavaScript
;
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.PConditionalCache = exports.Cache = void 0;
var rubic_sdk_error_1 = require("../errors/rubic-sdk.error");
function generateKey() {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
return args.reduce(function (acc, arg) { return (Object(arg) === arg ? acc + JSON.stringify(arg) : acc + String(arg)); }, '');
}
function saveResult(storage, key, result, maxAge) {
var validUntilTimestamp = maxAge ? Date.now() + maxAge : Infinity;
storage.set(key, { validUntilTimestamp: validUntilTimestamp, value: result });
}
function buildGetterCacheDescriptor(propertyKey, _a) {
var get = _a.get, enumerable = _a.enumerable;
return {
enumerable: enumerable,
get: function () {
var value = get.call(this);
Object.defineProperty(this, propertyKey, {
enumerable: enumerable,
value: value
});
return value;
}
};
}
function modifyMethodCacheDescriptor(cacheConfig, descriptor) {
var originalMethod = descriptor.value;
var storage = new WeakMap();
descriptor.value = function method() {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
if (!storage.has(this)) {
storage.set(this, new Map());
}
var instanceStore = storage.get(this);
var key = generateKey(args);
if (instanceStore.has(key)) {
var cacheItem = instanceStore.get(key);
if (cacheItem.validUntilTimestamp > Date.now()) {
return cacheItem.value;
}
instanceStore.delete(key);
}
var result = originalMethod.apply(this, args);
if (cacheConfig.conditionalCache) {
if (result instanceof Promise) {
var handledPromise = result.then(function (resolved) {
if (resolved.notSave) {
instanceStore.delete(key);
}
return resolved.value;
});
saveResult(instanceStore, key, handledPromise, cacheConfig.maxAge);
return handledPromise;
}
result = result;
if (result.notSave) {
instanceStore.delete(key);
}
else {
saveResult(instanceStore, key, result.value, cacheConfig.maxAge);
}
return result.value;
}
saveResult(instanceStore, key, result, cacheConfig.maxAge);
return result;
};
return descriptor;
}
function CacheBuilder(cacheConfig) {
return function cacheBuilder(_, propertyKey, descriptor) {
var get = descriptor.get, originalMethod = descriptor.value;
if (get) {
return buildGetterCacheDescriptor(propertyKey, {
get: get,
enumerable: descriptor.enumerable
});
}
if (!originalMethod) {
throw new rubic_sdk_error_1.RubicSdkError('Descriptor value is undefined.');
}
return modifyMethodCacheDescriptor(cacheConfig, descriptor);
};
}
function Cache(cacheConfigOrTarget, propertyKey, descriptor) {
var defaultCacheConfig = {};
// if decorator called with config as @Cache({ ... })
if (!propertyKey) {
return CacheBuilder(cacheConfigOrTarget);
}
// decorator called as @Cache
if (!descriptor) {
throw new rubic_sdk_error_1.RubicSdkError('Descriptor is undefined.');
}
return CacheBuilder(defaultCacheConfig)(cacheConfigOrTarget, propertyKey, descriptor);
}
exports.Cache = Cache;
/**
* Decorated function should returns {@link ConditionalResult}.
* You have to check types by yourself {@see https://github.com/microsoft/TypeScript/issues/4881}
*/
function PConditionalCache(_, __, descriptor) {
var originalMethod = descriptor.value;
if (!originalMethod) {
throw new rubic_sdk_error_1.RubicSdkError('Descriptor value is undefined.');
}
var storage = new WeakMap();
descriptor.value = function method() {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
return __awaiter(this, void 0, void 0, function () {
var instanceStore, key, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!storage.has(this)) {
storage.set(this, new Map());
}
instanceStore = storage.get(this);
key = generateKey(args);
if (instanceStore.has(key)) {
return [2 /*return*/, instanceStore.get(key)];
}
return [4 /*yield*/, originalMethod.apply(this, args)];
case 1:
result = _a.sent();
if (result.notSave) {
instanceStore.delete(key);
}
else {
instanceStore.set(key, result.value);
}
return [2 /*return*/, result.value];
}
});
});
};
}
exports.PConditionalCache = PConditionalCache;
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