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