@coolio/http
Version:
HTTP networking client
143 lines • 7.19 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 };
}
};
import { HttpResponseHeaders } from '../httpResponseHeaders';
import { encodeText, getEncodingFromHeaders } from '../helpers/encoder.helper';
import { HttpRequestError } from '../httpRequestError';
import { CFormData } from '../formData';
import { sanitizeHeaders } from '../helpers';
var HEADERS_RECEIVED = 2;
var DONE = 4;
var createAsyncBodyHandler = function () {
var isCalled = false;
var onBodyReceived;
var bodyGetter;
var onBodyFailure;
var bodyFailer;
var promise = new Promise(function (resolve, reject) {
onBodyReceived = resolve;
onBodyFailure = reject;
});
return {
call: function () {
isCalled = true;
if (bodyGetter) {
onBodyReceived(bodyGetter());
}
else if (bodyFailer) {
onBodyFailure(bodyFailer());
}
return promise;
},
onBodyReceived: function (getter) {
if (isCalled) {
onBodyReceived(getter());
}
else {
bodyGetter = getter;
}
},
onBodyFailure: function (failer) {
if (isCalled) {
onBodyFailure(failer());
}
else {
bodyFailer = failer;
}
},
};
};
export var xhrRequestHandler = function (_) { return function (requestOptions) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
if (typeof XMLHttpRequest === 'undefined') {
throw new Error('XMLHttpRequest is not present. Prior to using xhrRequestHandler, make sure that you included necessary polyfills.');
}
return [2, new Promise(function (resolve, reject) {
var isCors = requestOptions.mode === 'cors';
var req = new XMLHttpRequest();
if (isCors) {
req.withCredentials = true;
}
req.open(requestOptions.method, requestOptions.url, true);
req.responseType = 'arraybuffer';
req.timeout = requestOptions.timeout;
req.ontimeout = function () {
reject(new HttpRequestError(requestOptions, "Request timed out after " + requestOptions.timeout + "ms."));
};
var isFormData = CFormData.isFormData(requestOptions.body);
var body = isFormData
? CFormData.from(requestOptions.body, { forceImplementation: 'native' })
: requestOptions.body;
var formDataHeaderOverride = isFormData ? { 'content-type': undefined } : undefined;
var headers = sanitizeHeaders(requestOptions.headers, formDataHeaderOverride);
for (var key in headers) {
if (headers.hasOwnProperty(key)) {
req.setRequestHeader(key, headers[key]);
}
}
var bodyHandler = createAsyncBodyHandler();
req.onerror = function () {
var error = new Error('XHR Request Error');
reject(error);
bodyHandler.onBodyFailure(function () { return error; });
};
req.onreadystatechange = function () {
var response;
switch (req.readyState) {
case HEADERS_RECEIVED:
resolve(response = {
arrayBuffer: bodyHandler.call,
text: function () { return bodyHandler.call()
.then(function (buffer) { return encodeText(buffer, getEncodingFromHeaders(response === null || response === void 0 ? void 0 : response.headers)); }); },
abort: function () { return req.abort(); },
url: requestOptions.url,
headers: new HttpResponseHeaders(req.getAllResponseHeaders()),
ok: req.status > 0 && req.status < 400,
status: req.status,
statusText: req.statusText,
redirected: false,
});
break;
case DONE:
bodyHandler.onBodyReceived(function () { return req.response; });
break;
}
};
req.send(body);
})];
});
}); }; };
//# sourceMappingURL=xhr.requestHandler.js.map