@whatwg-node/node-fetch
Version:
Fetch API implementation for Node
62 lines (61 loc) • 2.24 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.fetchPonyfill = void 0;
const fs_1 = require("fs");
const url_1 = require("url");
const fetchCurl_js_1 = require("./fetchCurl.js");
const fetchNodeHttp_js_1 = require("./fetchNodeHttp.js");
const Request_js_1 = require("./Request.js");
const Response_js_1 = require("./Response.js");
const utils_js_1 = require("./utils.js");
const BASE64_SUFFIX = ';base64';
function getResponseForFile(url) {
const path = (0, url_1.fileURLToPath)(url);
const readable = (0, fs_1.createReadStream)(path);
return new Response_js_1.PonyfillResponse(readable);
}
function getResponseForDataUri(url) {
const [mimeType = 'text/plain', ...datas] = url.substring(5).split(',');
const data = decodeURIComponent(datas.join(','));
if (mimeType.endsWith(BASE64_SUFFIX)) {
const buffer = Buffer.from(data, 'base64url');
const realMimeType = mimeType.slice(0, -BASE64_SUFFIX.length);
return new Response_js_1.PonyfillResponse(buffer, {
status: 200,
statusText: 'OK',
headers: {
'content-type': realMimeType,
},
});
}
return new Response_js_1.PonyfillResponse(data, {
status: 200,
statusText: 'OK',
headers: {
'content-type': mimeType,
},
});
}
function isURL(obj) {
return obj != null && obj.href != null;
}
function fetchPonyfill(info, init) {
if (typeof info === 'string' || isURL(info)) {
const ponyfillRequest = new Request_js_1.PonyfillRequest(info, init);
return fetchPonyfill(ponyfillRequest);
}
const fetchRequest = info;
if (fetchRequest.url.startsWith('data:')) {
const response = getResponseForDataUri(fetchRequest.url);
return (0, utils_js_1.fakePromise)(response);
}
if (fetchRequest.url.startsWith('file:')) {
const response = getResponseForFile(fetchRequest.url);
return (0, utils_js_1.fakePromise)(response);
}
if (globalThis.libcurl) {
return (0, fetchCurl_js_1.fetchCurl)(fetchRequest);
}
return (0, fetchNodeHttp_js_1.fetchNodeHttp)(fetchRequest);
}
exports.fetchPonyfill = fetchPonyfill;