285 lines
8.8 KiB
Plaintext
285 lines
8.8 KiB
Plaintext
'use strict';
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const destr = require('destr');
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const ufo = require('ufo');
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function _interopDefaultCompat (e) { return e && typeof e === 'object' && 'default' in e ? e.default : e; }
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const destr__default = /*#__PURE__*/_interopDefaultCompat(destr);
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class FetchError extends Error {
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constructor(message, opts) {
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super(message, opts);
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this.name = "FetchError";
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if (opts?.cause && !this.cause) {
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this.cause = opts.cause;
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}
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}
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}
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function createFetchError(ctx) {
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const errorMessage = ctx.error?.message || ctx.error?.toString() || "";
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const method = ctx.request?.method || ctx.options?.method || "GET";
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const url = ctx.request?.url || String(ctx.request) || "/";
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const requestStr = `[${method}] ${JSON.stringify(url)}`;
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const statusStr = ctx.response ? `${ctx.response.status} ${ctx.response.statusText}` : "<no response>";
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const message = `${requestStr}: ${statusStr}${errorMessage ? ` ${errorMessage}` : ""}`;
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const fetchError = new FetchError(
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message,
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ctx.error ? { cause: ctx.error } : void 0
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);
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for (const key of ["request", "options", "response"]) {
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Object.defineProperty(fetchError, key, {
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get() {
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return ctx[key];
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}
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});
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}
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for (const [key, refKey] of [
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["data", "_data"],
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["status", "status"],
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["statusCode", "status"],
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["statusText", "statusText"],
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["statusMessage", "statusText"]
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]) {
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Object.defineProperty(fetchError, key, {
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get() {
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return ctx.response && ctx.response[refKey];
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}
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});
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}
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return fetchError;
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}
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const payloadMethods = new Set(
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Object.freeze(["PATCH", "POST", "PUT", "DELETE"])
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);
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function isPayloadMethod(method = "GET") {
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return payloadMethods.has(method.toUpperCase());
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}
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function isJSONSerializable(value) {
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if (value === void 0) {
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return false;
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}
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const t = typeof value;
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if (t === "string" || t === "number" || t === "boolean" || t === null) {
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return true;
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}
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if (t !== "object") {
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return false;
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}
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if (Array.isArray(value)) {
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return true;
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}
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if (value.buffer) {
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return false;
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}
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return value.constructor && value.constructor.name === "Object" || typeof value.toJSON === "function";
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}
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const textTypes = /* @__PURE__ */ new Set([
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"image/svg",
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"application/xml",
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"application/xhtml",
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"application/html"
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]);
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const JSON_RE = /^application\/(?:[\w!#$%&*.^`~-]*\+)?json(;.+)?$/i;
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function detectResponseType(_contentType = "") {
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if (!_contentType) {
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return "json";
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}
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const contentType = _contentType.split(";").shift() || "";
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if (JSON_RE.test(contentType)) {
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return "json";
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}
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if (textTypes.has(contentType) || contentType.startsWith("text/")) {
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return "text";
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}
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return "blob";
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}
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function mergeFetchOptions(input, defaults, Headers = globalThis.Headers) {
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const merged = {
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...defaults,
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...input
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};
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if (defaults?.params && input?.params) {
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merged.params = {
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...defaults?.params,
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...input?.params
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};
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}
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if (defaults?.query && input?.query) {
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merged.query = {
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...defaults?.query,
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...input?.query
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};
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}
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if (defaults?.headers && input?.headers) {
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merged.headers = new Headers(defaults?.headers || {});
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for (const [key, value] of new Headers(input?.headers || {})) {
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merged.headers.set(key, value);
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}
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}
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return merged;
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}
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const retryStatusCodes = /* @__PURE__ */ new Set([
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408,
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// Request Timeout
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409,
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// Conflict
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425,
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// Too Early
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429,
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// Too Many Requests
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500,
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// Internal Server Error
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502,
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// Bad Gateway
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503,
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// Service Unavailable
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504
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// Gateway Timeout
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]);
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const nullBodyResponses = /* @__PURE__ */ new Set([101, 204, 205, 304]);
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function createFetch(globalOptions = {}) {
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const {
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fetch = globalThis.fetch,
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Headers = globalThis.Headers,
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AbortController = globalThis.AbortController
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} = globalOptions;
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async function onError(context) {
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const isAbort = context.error && context.error.name === "AbortError" && !context.options.timeout || false;
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if (context.options.retry !== false && !isAbort) {
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let retries;
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if (typeof context.options.retry === "number") {
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retries = context.options.retry;
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} else {
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retries = isPayloadMethod(context.options.method) ? 0 : 1;
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}
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const responseCode = context.response && context.response.status || 500;
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if (retries > 0 && (Array.isArray(context.options.retryStatusCodes) ? context.options.retryStatusCodes.includes(responseCode) : retryStatusCodes.has(responseCode))) {
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const retryDelay = context.options.retryDelay || 0;
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if (retryDelay > 0) {
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await new Promise((resolve) => setTimeout(resolve, retryDelay));
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}
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return $fetchRaw(context.request, {
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...context.options,
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retry: retries - 1,
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timeout: context.options.timeout
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});
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}
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}
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const error = createFetchError(context);
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if (Error.captureStackTrace) {
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Error.captureStackTrace(error, $fetchRaw);
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}
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throw error;
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}
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const $fetchRaw = async function $fetchRaw2(_request, _options = {}) {
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const context = {
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request: _request,
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options: mergeFetchOptions(_options, globalOptions.defaults, Headers),
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response: void 0,
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error: void 0
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};
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context.options.method = context.options.method?.toUpperCase();
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if (context.options.onRequest) {
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await context.options.onRequest(context);
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}
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if (typeof context.request === "string") {
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if (context.options.baseURL) {
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context.request = ufo.withBase(context.request, context.options.baseURL);
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}
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if (context.options.query || context.options.params) {
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context.request = ufo.withQuery(context.request, {
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...context.options.params,
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...context.options.query
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});
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}
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}
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if (context.options.body && isPayloadMethod(context.options.method)) {
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if (isJSONSerializable(context.options.body)) {
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context.options.body = typeof context.options.body === "string" ? context.options.body : JSON.stringify(context.options.body);
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context.options.headers = new Headers(context.options.headers || {});
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if (!context.options.headers.has("content-type")) {
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context.options.headers.set("content-type", "application/json");
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}
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if (!context.options.headers.has("accept")) {
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context.options.headers.set("accept", "application/json");
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}
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} else if (
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// ReadableStream Body
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"pipeTo" in context.options.body && typeof context.options.body.pipeTo === "function" || // Node.js Stream Body
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typeof context.options.body.pipe === "function"
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) {
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if (!("duplex" in context.options)) {
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context.options.duplex = "half";
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}
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}
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}
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if (!context.options.signal && context.options.timeout) {
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const controller = new AbortController();
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setTimeout(() => controller.abort(), context.options.timeout);
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context.options.signal = controller.signal;
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}
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try {
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context.response = await fetch(
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context.request,
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context.options
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);
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} catch (error) {
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context.error = error;
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if (context.options.onRequestError) {
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await context.options.onRequestError(context);
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}
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return await onError(context);
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}
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const hasBody = context.response.body && !nullBodyResponses.has(context.response.status) && context.options.method !== "HEAD";
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if (hasBody) {
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const responseType = (context.options.parseResponse ? "json" : context.options.responseType) || detectResponseType(context.response.headers.get("content-type") || "");
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switch (responseType) {
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case "json": {
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const data = await context.response.text();
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const parseFunction = context.options.parseResponse || destr__default;
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context.response._data = parseFunction(data);
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break;
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}
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case "stream": {
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context.response._data = context.response.body;
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break;
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}
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default: {
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context.response._data = await context.response[responseType]();
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}
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}
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}
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if (context.options.onResponse) {
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await context.options.onResponse(context);
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}
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if (!context.options.ignoreResponseError && context.response.status >= 400 && context.response.status < 600) {
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if (context.options.onResponseError) {
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await context.options.onResponseError(context);
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}
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return await onError(context);
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}
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return context.response;
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};
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const $fetch = async function $fetch2(request, options) {
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const r = await $fetchRaw(request, options);
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return r._data;
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};
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$fetch.raw = $fetchRaw;
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$fetch.native = (...args) => fetch(...args);
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$fetch.create = (defaultOptions = {}) => createFetch({
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...globalOptions,
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defaults: {
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...globalOptions.defaults,
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...defaultOptions
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}
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});
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return $fetch;
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}
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exports.FetchError = FetchError;
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exports.createFetch = createFetch;
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exports.createFetchError = createFetchError;
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