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@stellar/stellar-sdk

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A library for working with the Stellar network, including communication with the Horizon and Soroban RPC servers.

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.create = createFetchClient; exports.fetchClient = void 0; var _feaxios = _interopRequireDefault(require("feaxios")); var _types = require("./types"); function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; } function _regenerator() { var e, t, r = "function" == typeof Symbol ? Symbol : {}, n = r.iterator || "@@iterator", o = r.toStringTag || "@@toStringTag"; function i(r, n, o, i) { var c = n && n.prototype instanceof Generator ? n : Generator, u = Object.create(c.prototype); return _regeneratorDefine2(u, "_invoke", function (r, n, o) { var i, c, u, f = 0, p = o || [], y = !1, G = { p: 0, n: 0, v: e, a: d, f: d.bind(e, 4), d: function d(t, r) { return i = t, c = 0, u = e, G.n = r, a; } }; function d(r, n) { for (c = r, u = n, t = 0; !y && f && !o && t < p.length; t++) { var o, i = p[t], d = G.p, l = i[2]; r > 3 ? 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Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; } function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; } function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } var CANCELED_MARKER = Symbol.for("@stellar/stellar-sdk.canceled"); function makeCanceledError(reason) { var err = new Error(reason || "Request canceled"); err[CANCELED_MARKER] = true; return err; } var InterceptorManager = function () { function InterceptorManager() { _classCallCheck(this, InterceptorManager); _defineProperty(this, "handlers", []); } return _createClass(InterceptorManager, [{ key: "use", value: function use(fulfilled, rejected) { this.handlers.push({ fulfilled: fulfilled, rejected: rejected }); return this.handlers.length - 1; } }, { key: "eject", value: function eject(id) { if (this.handlers[id]) { this.handlers[id] = null; } } }, { key: "forEach", value: function forEach(fn) { this.handlers.forEach(function (h) { if (h !== null) { fn(h); } }); } }]); }(); function getFormConfig(config) { var formConfig = config || {}; formConfig.headers = new Headers(formConfig.headers || {}); formConfig.headers.set("Content-Type", "application/x-www-form-urlencoded"); return formConfig; } function mergeWithDefaults(defaults, config) { if (!config) return _objectSpread({}, defaults); var merged = _objectSpread(_objectSpread({}, defaults), config); if ((defaults === null || defaults === void 0 ? void 0 : defaults.headers) !== undefined || config.headers !== undefined) { var headers = new Headers((defaults === null || defaults === void 0 ? void 0 : defaults.headers) || {}); new Headers(config.headers || {}).forEach(function (v, k) { headers.set(k, v); }); merged.headers = headers; } if ((defaults === null || defaults === void 0 ? void 0 : defaults.params) !== undefined || config.params !== undefined) { merged.params = _objectSpread(_objectSpread({}, (defaults === null || defaults === void 0 ? void 0 : defaults.params) || {}), config.params || {}); } return merged; } function buildBoundedUrl(config) { var url = config.url || ""; if (config.baseURL && url && !/^https?:\/\//i.test(url)) { url = url.replace(/^\/?/, "".concat(config.baseURL.replace(/\/$/, ""), "/")); } if (config.params && Object.keys(config.params).length > 0) { var qs = new URLSearchParams(config.params).toString(); url += (url.includes("?") ? "&" : "?") + qs; } return url; } function encodeRequestBody(data, headers) { if (data === undefined || data === null) return undefined; if (typeof data === "string") return data; if (data instanceof URLSearchParams) { if (!headers.has("content-type")) { headers.set("content-type", "application/x-www-form-urlencoded"); } return data; } if (data instanceof Blob || data instanceof ArrayBuffer || ArrayBuffer.isView(data)) { if (!headers.has("content-type")) { headers.set("content-type", "application/octet-stream"); } return data; } if (typeof FormData !== "undefined" && data instanceof FormData) { return data; } if (!headers.has("content-type")) { headers.set("content-type", "application/json"); } return JSON.stringify(data); } function readBodyBounded(_x, _x2) { return _readBodyBounded.apply(this, arguments); } function _readBodyBounded() { _readBodyBounded = _asyncToGenerator(_regenerator().m(function _callee(response, maxContentLength) { var headerLen, reader, chunks, total, _yield$reader$read, done, _value, out, offset, _i, _chunks, c; return _regenerator().w(function (_context) { while (1) switch (_context.n) { case 0: if (!(maxContentLength !== undefined)) { _context.n = 1; break; } headerLen = response.headers.get("content-length"); if (!(headerLen && Number(headerLen) > maxContentLength)) { _context.n = 1; break; } throw new Error("maxContentLength size of ".concat(maxContentLength, " exceeded")); case 1: if (response.body) { _context.n = 2; break; } return _context.a(2, new Uint8Array(0)); case 2: reader = response.body.getReader(); chunks = []; total = 0; case 3: if (!true) { _context.n = 9; break; } _context.n = 4; return reader.read(); case 4: _yield$reader$read = _context.v; done = _yield$reader$read.done; _value = _yield$reader$read.value; if (!done) { _context.n = 5; break; } return _context.a(3, 9); case 5: if (!_value) { _context.n = 8; break; } total += _value.byteLength; if (!(maxContentLength !== undefined && total > maxContentLength)) { _context.n = 7; break; } _context.n = 6; return reader.cancel(); case 6: throw new Error("maxContentLength size of ".concat(maxContentLength, " exceeded")); case 7: chunks.push(_value); case 8: _context.n = 3; break; case 9: out = new Uint8Array(total); offset = 0; for (_i = 0, _chunks = chunks; _i < _chunks.length; _i++) { c = _chunks[_i]; out.set(c, offset); offset += c.byteLength; } return _context.a(2, out); } }, _callee); })); return _readBodyBounded.apply(this, arguments); } function createTimeoutSignal(ms) { if (typeof AbortSignal !== "undefined" && typeof AbortSignal.timeout === "function") { return AbortSignal.timeout(ms); } var controller = new AbortController(); setTimeout(function () { var err = new Error("Timeout"); err.name = "TimeoutError"; controller.abort(err); }, ms); return controller.signal; } function composeSignals(signals) { if (signals.length === 0) return undefined; if (signals.length === 1) return signals[0]; if (typeof AbortSignal !== "undefined" && typeof AbortSignal.any === "function") { return AbortSignal.any(signals); } var controller = new AbortController(); var _iterator = _createForOfIteratorHelper(signals), _step; try { var _loop = function _loop() { var s = _step.value; if (s.aborted) { controller.abort(s.reason); return 1; } s.addEventListener("abort", function () { return controller.abort(s.reason); }, { once: true }); }; for (_iterator.s(); !(_step = _iterator.n()).done;) { if (_loop()) break; } } catch (err) { _iterator.e(err); } finally { _iterator.f(); } return controller.signal; } function canInspectManualRedirects() { return typeof process !== "undefined" && !!process.versions && !!process.versions.node; } function applyRedirectSemantics(init, status) { if (status === 307 || status === 308) return init; var next = _objectSpread(_objectSpread({}, init), {}, { method: "GET", body: undefined }); var headers = new Headers(init.headers || {}); headers.delete("content-type"); headers.delete("content-length"); headers.delete("transfer-encoding"); next.headers = headers; return next; } function stripCrossOriginAuth(init, fromUrl, toUrl) { var sameOrigin; try { sameOrigin = new URL(fromUrl).origin === new URL(toUrl).origin; } catch (_unused) { sameOrigin = false; } if (sameOrigin) return init; var headers = new Headers(init.headers || {}); headers.delete("authorization"); headers.delete("proxy-authorization"); headers.delete("cookie"); return _objectSpread(_objectSpread({}, init), {}, { headers: headers }); } function buildHttpError(response, config, data) { var err = new Error("Request failed with status code ".concat(response.status)); err.response = { status: response.status, statusText: response.statusText, headers: response.headers, data: data, config: config }; return err; } function boundedFetchAdapter(_x3) { return _boundedFetchAdapter.apply(this, arguments); } function _boundedFetchAdapter() { _boundedFetchAdapter = _asyncToGenerator(_regenerator().m(function _callee2(config) { var maxRedirects, maxContentLength, timeout, signals, signal, managedRedirects, canManage, redirect, headers, body, currentInit, currentUrl, redirectsRemaining, response, isManualRedirectResponse, location, nextUrl, errBody, errBytes, errText, bytes, text, data, _t, _t2; return _regenerator().w(function (_context2) { while (1) switch (_context2.p = _context2.n) { case 0: maxRedirects = config.maxRedirects, maxContentLength = config.maxContentLength, timeout = config.timeout; signals = []; if (timeout && timeout > 0) { signals.push(createTimeoutSignal(timeout)); } signal = composeSignals(signals); managedRedirects = maxRedirects !== undefined; canManage = canInspectManualRedirects(); if (!managedRedirects) { redirect = "follow"; } else if (canManage) { redirect = "manual"; } else if (maxRedirects === 0) { redirect = "error"; } else { redirect = "follow"; } headers = new Headers(config.headers || {}); body = encodeRequestBody(config.data, headers); currentInit = _objectSpread(_objectSpread({}, config.fetchOptions), {}, { method: (config.method || "get").toUpperCase(), headers: headers, body: body, redirect: redirect }, signal ? { signal: signal } : {}); currentUrl = buildBoundedUrl(config); redirectsRemaining = maxRedirects !== null && maxRedirects !== void 0 ? maxRedirects : 0; case 1: if (!true) { _context2.n = 11; break; } _context2.p = 2; _context2.n = 3; return fetch(currentUrl, currentInit); case 3: response = _context2.v; _context2.n = 6; break; case 4: _context2.p = 4; _t = _context2.v; if (!((_t === null || _t === void 0 ? void 0 : _t.name) === "TimeoutError")) { _context2.n = 5; break; } throw new Error("timeout of ".concat(config.timeout, "ms exceeded")); case 5: throw _t; case 6: isManualRedirectResponse = redirect === "manual" && response.status >= 300 && response.status < 400; if (isManualRedirectResponse) { _context2.n = 7; break; } return _context2.a(3, 11); case 7: if (!(redirectsRemaining <= 0)) { _context2.n = 9; break; } if (!(maxRedirects === 0)) { _context2.n = 8; break; } throw buildHttpError(response, config); case 8: throw new Error("Maximum number of redirects exceeded"); case 9: location = response.headers.get("location"); if (location) { _context2.n = 10; break; } return _context2.a(3, 11); case 10: nextUrl = new URL(location, currentUrl).toString(); currentInit = applyRedirectSemantics(currentInit, response.status); currentInit = stripCrossOriginAuth(currentInit, currentUrl, nextUrl); currentUrl = nextUrl; redirectsRemaining -= 1; _context2.n = 1; break; case 11: if (response.ok) { _context2.n = 16; break; } _context2.p = 12; _context2.n = 13; return readBodyBounded(response, maxContentLength); case 13: errBytes = _context2.v; errText = new TextDecoder().decode(errBytes); try { errBody = JSON.parse(errText); } catch (_unused2) { errBody = errText; } _context2.n = 15; break; case 14: _context2.p = 14; _t2 = _context2.v; throw _t2; case 15: throw buildHttpError(response, config, errBody); case 16: _context2.n = 17; return readBodyBounded(response, maxContentLength); case 17: bytes = _context2.v; text = new TextDecoder().decode(bytes); data = text; try { data = JSON.parse(text); } catch (_unused3) {} return _context2.a(2, { data: data, headers: response.headers, config: config, status: response.status, statusText: response.statusText }); } }, _callee2, null, [[12, 14], [2, 4]]); })); return _boundedFetchAdapter.apply(this, arguments); } function createFetchClient() { var fetchConfig = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; var defaults = _objectSpread(_objectSpread({}, fetchConfig), {}, { headers: fetchConfig.headers || {} }); var instance = _feaxios.default.create(defaults); var requestInterceptors = new InterceptorManager(); var responseInterceptors = new InterceptorManager(); var httpClient = { interceptors: { request: requestInterceptors, response: responseInterceptors }, defaults: _objectSpread(_objectSpread({}, defaults), {}, { adapter: function adapter(config) { if (config.maxRedirects !== undefined || config.maxContentLength !== undefined) { return boundedFetchAdapter(config); } return instance.request(config); } }), create: function create(config) { return createFetchClient(_objectSpread(_objectSpread({}, this.defaults), config)); }, makeRequest: function makeRequest(config) { var _this = this; return new Promise(function (resolve, reject) { function processRequest(finalConfig, res, rej) { var adapter = finalConfig.adapter || this.defaults.adapter; if (!adapter) { throw new Error("No adapter available"); } var responsePromise = adapter(finalConfig).then(function (axiosResponse) { var httpClientResponse = { data: axiosResponse.data, headers: axiosResponse.headers, config: axiosResponse.config, status: axiosResponse.status, statusText: axiosResponse.statusText }; return httpClientResponse; }); if (responseInterceptors.handlers.length > 0) { var chain = responseInterceptors.handlers.filter(function (interceptor) { return interceptor !== null; }).flatMap(function (interceptor) { return [interceptor.fulfilled, interceptor.rejected]; }); var _loop2 = function _loop2(i) { responsePromise = responsePromise.then(function (response) { var fulfilledInterceptor = chain[i]; if (typeof fulfilledInterceptor === "function") { return fulfilledInterceptor(response); } return response; }, function (error) { var rejectedInterceptor = chain[i + 1]; if (typeof rejectedInterceptor === "function") { return rejectedInterceptor(error); } throw error; }).then(function (interceptedResponse) { return interceptedResponse; }); }; for (var i = 0, len = chain.length; i < len; i += 2) { _loop2(i); } } responsePromise.then(res).catch(rej); } var abortController = new AbortController(); config.signal = abortController.signal; if (config.cancelToken) { var cancelToken = config.cancelToken; cancelToken.promise.then(function () { abortController.abort(); reject(makeCanceledError(cancelToken.reason)); }); } var modifiedConfig = config; if (requestInterceptors.handlers.length > 0) { var chain = requestInterceptors.handlers.filter(function (interceptor) { return interceptor !== null; }).flatMap(function (interceptor) { return [interceptor.fulfilled, interceptor.rejected]; }); var configPromise = Promise.resolve(modifiedConfig); for (var i = 0, len = chain.length; i < len; i += 2) { configPromise = configPromise.then(chain[i], chain[i + 1]); } configPromise.then(function (resolvedConfig) { processRequest.call(_this, resolvedConfig, resolve, reject); }).catch(reject); return; } processRequest.call(_this, modifiedConfig, resolve, reject); }); }, get: function get(url, config) { return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, config)), {}, { url: url, method: "get" })); }, delete: function _delete(url, config) { return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, config)), {}, { url: url, method: "delete" })); }, head: function head(url, config) { return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, config)), {}, { url: url, method: "head" })); }, options: function options(url, config) { return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, config)), {}, { url: url, method: "options" })); }, post: function post(url, data, config) { return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, config)), {}, { url: url, method: "post", data: data })); }, put: function put(url, data, config) { return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, config)), {}, { url: url, method: "put", data: data })); }, patch: function patch(url, data, config) { return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, config)), {}, { url: url, method: "patch", data: data })); }, postForm: function postForm(url, data, config) { var formConfig = getFormConfig(config); return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, formConfig)), {}, { url: url, method: "post", data: data })); }, putForm: function putForm(url, data, config) { var formConfig = getFormConfig(config); return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, formConfig)), {}, { url: url, method: "put", data: data })); }, patchForm: function patchForm(url, data, config) { var formConfig = getFormConfig(config); return this.makeRequest(_objectSpread(_objectSpread({}, mergeWithDefaults(this.defaults, formConfig)), {}, { url: url, method: "patch", data: data })); }, CancelToken: _types.CancelToken, isCancel: function isCancel(value) { return value instanceof Error && value[CANCELED_MARKER] === true; } }; return httpClient; } var fetchClient = exports.fetchClient = createFetchClient();