react-dayo
Version:
A Queue component for notification etc
146 lines • 7.08 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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) : new P(function (resolve) { resolve(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 };
}
};
var __asyncValues = (this && this.__asyncValues) || function (o) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var m = o[Symbol.asyncIterator], i;
return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spread = (this && this.__spread) || function () {
for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
return ar;
};
import { Event } from './constants/events';
/**
* Dispatcher Use Case for seed
*/
var Dispatcher = /** @class */ (function () {
function Dispatcher() {
var _this = this;
this.events = new Map();
/**
* To turn AsyncIterable that obtained form the factory.
*/
this.dispatch = function (builder) { return function () { return __awaiter(_this, void 0, void 0, function () {
var seed, values, issued, issued_1, issued_1_1, yielded, e_1_1;
var e_1, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
seed = builder.seed, values = builder.values;
issued = seed.issue();
issued.values = values;
_b.label = 1;
case 1:
_b.trys.push([1, 6, 7, 12]);
issued_1 = __asyncValues(issued);
_b.label = 2;
case 2: return [4 /*yield*/, issued_1.next()];
case 3:
if (!(issued_1_1 = _b.sent(), !issued_1_1.done)) return [3 /*break*/, 5];
yielded = issued_1_1.value;
this.emit(Event.UpdateSeed, yielded);
_b.label = 4;
case 4: return [3 /*break*/, 2];
case 5: return [3 /*break*/, 12];
case 6:
e_1_1 = _b.sent();
e_1 = { error: e_1_1 };
return [3 /*break*/, 12];
case 7:
_b.trys.push([7, , 10, 11]);
if (!(issued_1_1 && !issued_1_1.done && (_a = issued_1.return))) return [3 /*break*/, 9];
return [4 /*yield*/, _a.call(issued_1)];
case 8:
_b.sent();
_b.label = 9;
case 9: return [3 /*break*/, 11];
case 10:
if (e_1) throw e_1.error;
return [7 /*endfinally*/];
case 11: return [7 /*endfinally*/];
case 12:
this.emit(Event.DoneSeed, issued);
return [2 /*return*/];
}
});
}); }; };
}
/**
* To fire callback function for the event that is registered
*/
Dispatcher.prototype.emit = function (event, yielded) {
var callbacks = this.events.get(event) || [];
callbacks.forEach(function (callback) {
callback(yielded);
});
};
/**
* To register callback function for the event
*/
Dispatcher.prototype.on = function (event, cb) {
if (!this.events.has(event)) {
this.events.set(event, [cb]);
return;
}
var callbacks = this.events.get(event);
if (callbacks === undefined) {
throw new Error('strangely the `callbacks` is undefined');
}
this.events.set(event, __spread(callbacks, [cb]));
};
return Dispatcher;
}());
export { Dispatcher };
export default Dispatcher;
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