@master-chief/alpaca-ts
Version:
A TypeScript Node.js library for the https://alpaca.markets REST API and WebSocket streams.
249 lines • 9.31 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());
});
};
import axios from "axios";
import FormData from "form-data";
import { ApiError } from "./ApiError.js";
import { CancelablePromise } from "./CancelablePromise.js";
export const isDefined = (value) => {
return value !== undefined && value !== null;
};
export const isString = (value) => {
return typeof value === "string";
};
export const isStringWithValue = (value) => {
return isString(value) && value !== "";
};
export const isBlob = (value) => {
return (typeof value === "object" &&
typeof value.type === "string" &&
typeof value.stream === "function" &&
typeof value.arrayBuffer === "function" &&
typeof value.constructor === "function" &&
typeof value.constructor.name === "string" &&
/^(Blob|File)$/.test(value.constructor.name) &&
/^(Blob|File)$/.test(value[Symbol.toStringTag]));
};
export const isFormData = (value) => {
return value instanceof FormData;
};
export const isSuccess = (status) => {
return status >= 200 && status < 300;
};
export const base64 = (str) => {
try {
return btoa(str);
}
catch (err) {
// @ts-ignore
return Buffer.from(str).toString("base64");
}
};
export const getQueryString = (params) => {
const qs = [];
const append = (key, value) => {
qs.push(`${encodeURIComponent(key)}=${encodeURIComponent(String(value))}`);
};
const process = (key, value) => {
if (isDefined(value)) {
if (Array.isArray(value)) {
value.forEach((v) => {
process(key, v);
});
}
else if (typeof value === "object") {
Object.entries(value).forEach(([k, v]) => {
process(`${key}[${k}]`, v);
});
}
else {
append(key, value);
}
}
};
Object.entries(params).forEach(([key, value]) => {
process(key, value);
});
if (qs.length > 0) {
return `?${qs.join("&")}`;
}
return "";
};
const getUrl = (config, options) => {
const encoder = encodeURI;
const path = options.url.replace(/{(.*?)}/g, (substring, group) => {
var _a;
if ((_a = options.path) === null || _a === void 0 ? void 0 : _a.hasOwnProperty(group)) {
return encoder(String(options.path[group]));
}
return substring;
});
const url = `${config.BASE}${path}`;
if (options.query) {
return `${url}${getQueryString(options.query)}`;
}
return url;
};
export const getFormData = (options) => {
if (options.formData) {
const formData = new FormData();
const process = (key, value) => {
if (isString(value) || isBlob(value)) {
formData.append(key, value);
}
else {
formData.append(key, JSON.stringify(value));
}
};
Object.entries(options.formData)
.filter(([_, value]) => isDefined(value))
.forEach(([key, value]) => {
if (Array.isArray(value)) {
value.forEach((v) => process(key, v));
}
else {
process(key, value);
}
});
return formData;
}
return undefined;
};
export const resolve = (options, resolver) => __awaiter(void 0, void 0, void 0, function* () {
if (typeof resolver === "function") {
return resolver(options);
}
return resolver;
});
export const getHeaders = (config, options, formData) => __awaiter(void 0, void 0, void 0, function* () {
const token = yield resolve(options);
const additionalHeaders = yield resolve(options, config.HEADERS);
const formHeaders = (typeof (formData === null || formData === void 0 ? void 0 : formData.getHeaders) === "function" && (formData === null || formData === void 0 ? void 0 : formData.getHeaders())) ||
{};
const headers = Object.entries(Object.assign(Object.assign(Object.assign({ Accept: "application/json" }, additionalHeaders), options.headers), formHeaders))
.filter(([_, value]) => isDefined(value))
.reduce((headers, [key, value]) => (Object.assign(Object.assign({}, headers), { [key]: String(value) })), {});
if (isStringWithValue(token)) {
headers["Authorization"] = `Bearer ${token}`;
}
if (options.body) {
if (options.mediaType) {
headers["Content-Type"] = options.mediaType;
}
else if (isBlob(options.body)) {
headers["Content-Type"] = options.body.type || "application/octet-stream";
}
else if (isString(options.body)) {
headers["Content-Type"] = "text/plain";
}
else if (!isFormData(options.body)) {
headers["Content-Type"] = "application/json";
}
}
return headers;
});
export const getRequestBody = (options) => {
if (options.body) {
return options.body;
}
return undefined;
};
export const sendRequest = (config, options, url, body, formData, headers, onCancel, axiosClient) => __awaiter(void 0, void 0, void 0, function* () {
const source = axios.CancelToken.source();
const requestConfig = {
url,
headers,
data: body !== null && body !== void 0 ? body : formData,
method: options.method,
cancelToken: source.token,
};
onCancel(() => source.cancel("The user aborted a request."));
try {
return yield axiosClient.request(requestConfig);
}
catch (error) {
const axiosError = error;
if (axiosError.response) {
return axiosError.response;
}
throw error;
}
});
export const getResponseHeader = (response, responseHeader) => {
if (responseHeader) {
const content = response.headers[responseHeader];
if (isString(content)) {
return content;
}
}
return undefined;
};
export const getResponseBody = (response) => {
if (response.status !== 204) {
return response.data;
}
return undefined;
};
export const catchErrorCodes = (options, result) => {
var _a, _b;
const errors = Object.assign({ 400: "Bad Request", 401: "Unauthorized", 403: "Forbidden", 404: "Not Found", 500: "Internal Server Error", 502: "Bad Gateway", 503: "Service Unavailable" }, options.errors);
const error = errors[result.status];
if (error) {
throw new ApiError(options, result, error);
}
if (!result.ok) {
const errorStatus = (_a = result.status) !== null && _a !== void 0 ? _a : "unknown";
const errorStatusText = (_b = result.statusText) !== null && _b !== void 0 ? _b : "unknown";
const errorBody = (() => {
try {
return JSON.stringify(result.body, null, 2);
}
catch (e) {
return undefined;
}
})();
throw new ApiError(options, result, `Generic Error: status: ${errorStatus}; status text: ${errorStatusText}; body: ${errorBody}`);
}
};
/**
* Request method
* @param config The OpenAPI configuration object
* @param options The request options from the service
* @param axiosClient The axios client instance to use
* @returns CancelablePromise<T>
* @throws ApiError
*/
export const request = (config, options, axiosClient = axios) => {
return new CancelablePromise((resolve, reject, onCancel) => __awaiter(void 0, void 0, void 0, function* () {
try {
const url = getUrl(config, options);
const formData = getFormData(options);
const body = getRequestBody(options);
const headers = yield getHeaders(config, options, formData);
if (!onCancel.isCancelled) {
const response = yield sendRequest(config, options, url, body, formData, headers, onCancel, axiosClient);
const responseBody = getResponseBody(response);
const responseHeader = getResponseHeader(response, options.responseHeader);
const result = {
url,
ok: isSuccess(response.status),
status: response.status,
statusText: response.statusText,
body: responseHeader !== null && responseHeader !== void 0 ? responseHeader : responseBody,
};
catchErrorCodes(options, result);
resolve(result.body);
}
}
catch (error) {
reject(error);
}
}));
};
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