tfl-api-wrapper
Version:
A Node JS wrapper for the Transport for London API
141 lines (140 loc) • 6.87 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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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) {
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case 0: case 1: t = op; break;
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}
};
Object.defineProperty(exports, "__esModule", { value: true });
var axios_1 = require("axios");
var url_1 = require("url");
var xmlparser = require("fast-xml-parser");
var trackerNetRetag_1 = require("./utilities/trackerNetRetag");
var TfLAPI = /** @class */ (function () {
function TfLAPI(appKey) {
this.host = 'api.tfl.gov.uk';
this.port = 443;
this.appKey = appKey;
}
/**
* Send a request to the TfL Unified API
* @param uri URI to send request to
* @param params Parameters to send
* @param method Method to use (GET, POST, PUT, DELETE) (Default: GET)
* @ignore
*/
TfLAPI.prototype.sendRequest = function (uri, params, method) {
if (method === void 0) { method = 'GET'; }
return __awaiter(this, void 0, void 0, function () {
var FullURL, fetch;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
FullURL = "https://".concat(this.host, ":").concat(this.port).concat(uri, "?app_key=").concat(this.appKey);
// Removed all undefined objects from params
Object.keys(params).forEach(function (key) { return (params[key] === undefined ? delete params[key] : {}); });
// If Parameters are passed then stringify them and update the request URL
console.log(params);
console.log(new url_1.URLSearchParams(params).toString());
if (params)
FullURL = "".concat(FullURL, "&").concat(new url_1.URLSearchParams(params).toString());
return [4 /*yield*/, axios_1.default.get(FullURL, { headers: { Accept: 'application/json', 'cache-control': 'no-cache' } })];
case 1:
fetch = _a.sent();
return [2 /*return*/, fetch.data];
}
});
});
};
/**
* Send a request to the TrackerNet API
* @param uri URI to send request to
* @param method Method to use (GET, POST, PUT, DELETE) (Default: GET)
* @param reTag Boolean to check if the XML should be re-tagged
* @ignore
*/
TfLAPI.prototype.sendRequestTrackerNet = function (uri, method, reTag) {
return __awaiter(this, void 0, void 0, function () {
var fetch, xmlData, jsonObj;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, axios_1.default.get("http://cloud.tfl.gov.uk/TrackerNet".concat(uri), { headers: { Accept: 'application/xml', 'cache-control': 'no-cache' } })];
case 1:
fetch = _a.sent();
xmlData = fetch.data;
if (reTag)
xmlData = (0, trackerNetRetag_1.trackerNetRetag)(xmlData);
jsonObj = xmlparser.parse(xmlData, {
attributeNamePrefix: '',
ignoreAttributes: false
});
return [2 /*return*/, jsonObj];
}
});
});
};
/**
* Convert object to query string
* @param params Object to convert
* @ignore
*/
TfLAPI.objectToQuery = function (params) {
return Object.keys(params)
.map(function (key) { return key + '=' + params[key]; })
.join('&');
};
/**
* @ignore
*/
TfLAPI.arrayToCSV = function (arr) {
return arr === null || arr === void 0 ? void 0 : arr.join(',');
};
/**
* Convert Date to ISO 8601 format
* @param date Date to convert
* @ignore
*/
TfLAPI.convertDate = function (date) {
return (date === null || date === void 0 ? void 0 : date.toISOString().split('.')[0]) + 'Z';
};
/**
* Check for incidents only
* @param incidentsOnly Boolean to check
* @ignore
*/
TfLAPI.incidentsCheck = function (incidentsOnly) {
return incidentsOnly ? '/IncidentsOnly' : '';
};
return TfLAPI;
}());
exports.default = TfLAPI;