@wfh/thread-promise-pool
Version:
2 Node.js utilities: a thread worker pool and a promise queue
116 lines • 11.4 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 });
// tslint:disable: no-console
var promise_queque_1 = require("../promise-queque");
describe('promise-queue', function () {
it('parallel queueUp() task should work', function () { return __awaiter(void 0, void 0, void 0, function () {
var actions, _loop_1, i, res;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
actions = [];
_loop_1 = function (i) {
actions.push(function () {
var idx = i;
console.log(idx + " start");
return new Promise(function (resolve) { return setTimeout(function () {
resolve(idx);
console.log(idx + " done");
}, 500); });
});
};
for (i = 0; i < 10; i++) {
_loop_1(i);
}
return [4 /*yield*/, promise_queque_1.queueUp(3, actions)];
case 1:
res = _a.sent();
console.log(res, res.length);
return [2 /*return*/];
}
});
}); });
it('create queue and dynamically add async task to it', function () { return __awaiter(void 0, void 0, void 0, function () {
var add, dones, _loop_2, i, _loop_3, i, _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
add = promise_queque_1.queue(3).add;
dones = [];
_loop_2 = function (i) {
var done = add(function () {
var idx = i;
console.log(idx + " start " + new Date().toLocaleTimeString());
return new Promise(function (resolve) { return setTimeout(function () {
resolve(idx);
console.log(idx + " done " + new Date().toLocaleTimeString());
}, 500); });
});
dones.push(done);
};
for (i = 0; i < 10; i++) {
_loop_2(i);
}
return [4 /*yield*/, new Promise(function (resolve) { return setTimeout(resolve, 1000); })];
case 1:
_c.sent();
_loop_3 = function (i) {
var done = add(function () {
var idx = 10 + i;
console.log(idx + " start " + new Date().toLocaleTimeString());
return new Promise(function (resolve) { return setTimeout(function () {
resolve(idx);
console.log(idx + " done " + new Date().toLocaleTimeString());
}, 500); });
});
dones.push(done);
};
for (i = 0; i < 5; i++) {
_loop_3(i);
}
_b = (_a = console).log;
return [4 /*yield*/, Promise.all(dones)];
case 2:
_b.apply(_a, [_c.sent()]);
return [2 /*return*/];
}
});
}); });
});
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