rxjs-ajax-cancelable
Version:
Cancelable XMLHttpRequest library based on RxJS.
261 lines • 12.2 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;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
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 = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, 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 _this = this;
var fetch = require("isomorphic-fetch");
require("rxjs/add/observable/of");
require("rxjs/add/observable/interval");
require("rxjs/add/operator/map");
require("rxjs/add/operator/delay");
require("rxjs/add/operator/do");
var index_1 = require("../index");
var Action = (function () {
function Action(request) {
this.request = request;
this.cancelable = new index_1.AjaxCancelable(request);
}
Action.prototype.requestCancelable = function (request) {
return this.cancelable
.requestAjax(request)
.toPromise();
};
Action.prototype.requestNotCancelable = function () {
return fetch(this.request.url || '');
};
Action.prototype.manualCancel = function () {
this.cancelable.cancelAjax();
};
return Action;
}());
describe('', function () {
describe('Firebase test', function () {
var action;
beforeEach(function () {
action = new Action({
method: 'GET',
url: 'https://rxjs-ajax-cancelable-d2228.firebaseio.com/users/jack.json',
crossDomain: true,
timeout: 1000 * 5,
testing: true,
});
});
it('get json', function () { return __awaiter(_this, void 0, void 0, function () {
var res;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, action.requestCancelable()];
case 1:
res = _a.sent();
expect(res.status).toBe(200);
expect(res.responseType).toBe('json');
expect(res.response).toEqual({ name: 'Jack' });
return [2 /*return*/];
}
});
}); });
it('Fetch cannot cancel requests.', function () { return __awaiter(_this, void 0, void 0, function () {
var results;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
results = [];
action.requestNotCancelable()
.then(function (res) { return res.json(); })
.then(function (result) { return results.push(result); });
return [4 /*yield*/, waiting(50)];
case 1:
_a.sent();
action.requestNotCancelable()
.then(function (res) { return res.json(); })
.then(function (result) { return results.push(result); });
return [4 /*yield*/, waiting(50)];
case 2:
_a.sent();
action.requestNotCancelable()
.then(function (res) { return res.json(); })
.then(function (result) { return results.push(result); });
return [4 /*yield*/, waiting(3000)];
case 3:
_a.sent();
expect(results.length).toBe(3);
expect(results).toEqual([{ name: 'Jack' }, { name: 'Jack' }, { name: 'Jack' }]);
return [2 /*return*/];
}
});
}); });
it('RxJS can cancel requests.', function () { return __awaiter(_this, void 0, void 0, function () {
var results;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
results = [];
action.requestCancelable()
.then(function (res) { return results.push(res.response); });
return [4 /*yield*/, waiting(50)];
case 1:
_a.sent();
action.requestCancelable()
.then(function (res) { return results.push(res.response); });
return [4 /*yield*/, waiting(50)];
case 2:
_a.sent();
action.requestCancelable()
.then(function (res) { return results.push(res.response); });
return [4 /*yield*/, waiting(3000)];
case 3:
_a.sent();
expect(results.length).toBe(1);
expect(results).toEqual([{ name: 'Jack' }]);
return [2 /*return*/];
}
});
}); });
});
describe('Prioritize first test', function () {
var action;
beforeEach(function () {
action = new Action({
method: 'GET',
crossDomain: true,
timeout: 1000 * 5,
testing: true,
priorityFirst: true,
});
});
it('Prioritize the first stream.', function () { return __awaiter(_this, void 0, void 0, function () {
var results;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
results = [];
action.requestCancelable({ url: 'https://rxjs-ajax-cancelable-d2228.firebaseio.com/users/ted.json' })
.then(function (res) { return results.push(res.response); });
return [4 /*yield*/, waiting(50)];
case 1:
_a.sent();
action.requestCancelable({ url: 'https://rxjs-ajax-cancelable-d2228.firebaseio.com/users/jack.json' })
.then(function (res) { return results.push(res.response); });
return [4 /*yield*/, waiting(50)];
case 2:
_a.sent();
action.requestCancelable({ url: 'https://rxjs-ajax-cancelable-d2228.firebaseio.com/users/jack.json' })
.then(function (res) { return results.push(res.response); });
return [4 /*yield*/, waiting(3000)];
case 3:
_a.sent();
expect(results.length).toBe(1);
expect(results).toEqual([{ name: 'Ted' }]);
return [2 /*return*/];
}
});
}); });
});
describe('Prioritize last test', function () {
var action;
beforeEach(function () {
action = new Action({
method: 'GET',
crossDomain: true,
timeout: 1000 * 5,
testing: true,
priorityFirst: false,
});
});
it('Prioritize the last stream.', function () { return __awaiter(_this, void 0, void 0, function () {
var results;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
results = [];
action.requestCancelable({ url: 'https://rxjs-ajax-cancelable-d2228.firebaseio.com/users/jack.json' })
.then(function (res) { return results.push(res.response); });
return [4 /*yield*/, waiting(50)];
case 1:
_a.sent();
action.requestCancelable({ url: 'https://rxjs-ajax-cancelable-d2228.firebaseio.com/users/jack.json' })
.then(function (res) { return results.push(res.response); });
return [4 /*yield*/, waiting(50)];
case 2:
_a.sent();
action.requestCancelable({ url: 'https://rxjs-ajax-cancelable-d2228.firebaseio.com/users/ted.json' })
.then(function (res) { return results.push(res.response); });
return [4 /*yield*/, waiting(3000)];
case 3:
_a.sent();
expect(results.length).toBe(1);
expect(results).toEqual([{ name: 'Ted' }]);
return [2 /*return*/];
}
});
}); });
});
describe('cancellation', function () {
var action;
beforeEach(function () {
action = new Action({
method: 'GET',
crossDomain: true,
testing: true,
retry: 0,
});
});
it('manual cancel', function () { return __awaiter(_this, void 0, void 0, function () {
var result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
result = { description: 'this value will be replaced by undefined.' };
action.requestCancelable({ url: 'https://rxjs-ajax-cancelable-d2228.firebaseio.com/users/jack.json' })
.then(function (res) { return result = res; });
return [4 /*yield*/, waiting(10)];
case 1:
_a.sent();
action.manualCancel();
return [4 /*yield*/, waiting()];
case 2:
_a.sent();
expect(result).toBeUndefined();
return [2 /*return*/];
}
});
}); });
});
});
function waiting(timeout) {
if (timeout === void 0) { timeout = 0; }
return new Promise(function (resolve) { return setTimeout(resolve, timeout); });
}
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