dce-icommons
Version:
The Harvard DCE wrapper for the iCommons API.
141 lines • 6.92 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
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 (g && (g = 0, op[0] && (_ = 0)), _) 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 });
var axios = require('axios');
var qs = require('qs');
/**
* Sends and retries an http request
* @author Gabe Abrams
* @async
* @param opts object containing all arguments
* @param opts.host host to send request to
* @param opts.path path to send request to
* @param [opts.method=GET] http method to use
* @param [opts.params] body/data to include in the request
* @param [opts.headers] headers to include in the request
* @param [opts.numRetries=0] number of times to retry the request if it
* fails
* @returns Returns { body, status, headers } on
* success
*/
var sendRequest = function (opts) { return __awaiter(void 0, void 0, void 0, function () {
var numRetries, method, stringifiedParams, query, url, headers, data, response, err_1;
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
numRetries = (opts.numRetries ? opts.numRetries : 0);
method = (opts.method || 'GET');
stringifiedParams = qs.stringify(opts.params || {}, {
encodeValuesOnly: true,
arrayFormat: 'brackets',
});
query = (method === 'GET' ? "?".concat(stringifiedParams) : '');
if (!opts.host) {
// No host included at all. Just send to a path
url = "".concat(opts.path).concat(query);
}
else {
url = "https://".concat(opts.host).concat(opts.path).concat(query);
}
headers = opts.headers || {};
data = null;
if (!headers['Content-Type']) {
// Form encoded
headers['Content-Type'] = 'application/x-www-form-urlencoded';
// Add data if applicable
data = (method !== 'GET' ? stringifiedParams : null);
}
else {
// JSON encode
data = opts.params;
}
_b.label = 1;
case 1:
_b.trys.push([1, 3, , 4]);
return [4 /*yield*/, axios({
method: method,
url: url,
data: data,
headers: headers,
})];
case 2:
response = _b.sent();
// Process response
return [2 /*return*/, {
body: response.data,
status: response.status,
headers: response.headers,
}];
case 3:
err_1 = _b.sent();
// Axios throws an error if the request status indicates an error
// sendRequest is supposed to resolve if the request went through, whether
// the status indicates an error or not.
if (err_1.response) {
// Resolve with response
return [2 /*return*/, {
body: err_1.response.data,
status: err_1.response.status,
headers: err_1.response.headers,
}];
}
// Request failed! Check if we have more attempts
if (numRetries > 0) {
// Update opts with one less retry
return [2 /*return*/, sendRequest(__assign(__assign({}, opts), { numRetries: ((_a = opts.numRetries) !== null && _a !== void 0 ? _a : 1) - 1 }))];
}
// No tries left
throw new Error('We encountered an error when trying to send a network request. If this issue persists, contact an admin.');
case 4: return [2 /*return*/];
}
});
}); };
exports.default = sendRequest;
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