@whatwg-node/node-fetch/cjs/fetch.js

Fetch API implementation for Node

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.createFetchPonyfill = createFetchPonyfill;
exports.fetchPonyfill = fetchPonyfill;
const node_buffer_1 = require("node:buffer");
const node_fs_1 = require("node:fs");
const node_url_1 = require("node:url");
const types_1 = require("node:util/types");
const fetchCurl_js_1 = require("./fetchCurl.js");
const fetchUndici_js_1 = require("./fetchUndici.js");
const Request_js_1 = require("./Request.js");
const Response_js_1 = require("./Response.js");
const URL_js_1 = require("./URL.js");
const utils_js_1 = require("./utils.js");
const BASE64_SUFFIX = ';base64';
function getResponseForFile(url) {
    const path = (0, node_url_1.fileURLToPath)(url);
    const readable = (0, node_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 = node_buffer_1.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 getResponseForBlob(url) {
    const blob = URL_js_1.PonyfillURL.getBlobFromURL(url);
    if (!blob) {
        throw new TypeError('Invalid Blob URL');
    }
    return new Response_js_1.PonyfillResponse(blob, {
        status: 200,
        headers: {
            'content-type': blob.type,
            'content-length': blob.size.toString(),
        },
    });
}
function isURL(obj) {
    return obj != null && obj.href != null;
}
let fetchFn$;
let fetchFn;
function getNativeGlobalDispatcher() {
    // @ts-expect-error - We know it is there
    return globalThis[Symbol.for('undici.globalDispatcher.1')];
}
function createFetchFn() {
    const libcurlModuleName = 'node-libcurl';
    const undiciModuleName = 'undici';
    if (process.env.DEBUG) {
        console.debug(`[@whatwg-node/node-fetch] - Trying to import ${libcurlModuleName} for fetch ponyfill`);
    }
    return Promise.resolve(`${libcurlModuleName}`).then(s => __importStar(require(s))).then(libcurl => (0, fetchCurl_js_1.createFetchCurl)(libcurl), () => {
        if (process.env.DEBUG) {
            console.debug(`[@whatwg-node/node-fetch] - Failed to import ${libcurlModuleName}, trying ${undiciModuleName}`);
        }
        return Promise.resolve(`${undiciModuleName}`).then(s => __importStar(require(s))).then((undici) => (0, fetchUndici_js_1.createFetchUndici)(() => undici.getGlobalDispatcher()), () => {
            if (process.env.DEBUG) {
                console.debug(`[@whatwg-node/node-fetch] - Failed to import ${undiciModuleName}, falling back to built-in undici in Node`);
            }
            return (0, fetchUndici_js_1.createFetchUndici)(getNativeGlobalDispatcher);
        });
    });
}
function fetchNonHttp(fetchRequest) {
    if (fetchRequest.url.startsWith('data:')) {
        const response = getResponseForDataUri(fetchRequest.url);
        return (0, utils_js_1.fakePromise)(response);
    }
    if (fetchRequest.url.startsWith('file:')) {
        const response = getResponseForFile(fetchRequest.url);
        return (0, utils_js_1.fakePromise)(response);
    }
    if (fetchRequest.url.startsWith('blob:')) {
        const response = getResponseForBlob(fetchRequest.url);
        return (0, utils_js_1.fakePromise)(response);
    }
}
function normalizeInfo(info, init) {
    if (typeof info === 'string' || isURL(info)) {
        return new Request_js_1.PonyfillRequest(info, init);
    }
    return info;
}
function createFetchPonyfill(fetchFn) {
    return function fetchPonyfill(info, init) {
        info = normalizeInfo(info, init);
        const nonHttpRes = fetchNonHttp(info);
        if (nonHttpRes) {
            return nonHttpRes;
        }
        return fetchFn(info);
    };
}
function fetchPonyfill(info, init) {
    info = normalizeInfo(info, init);
    const nonHttpRes = fetchNonHttp(info);
    if (nonHttpRes) {
        return nonHttpRes;
    }
    if (!fetchFn) {
        fetchFn$ ||= createFetchFn();
        if ((0, types_1.isPromise)(fetchFn$)) {
            return fetchFn$.then(newFetchFn => {
                fetchFn = newFetchFn;
                return fetchFn(info);
            });
        }
        fetchFn = fetchFn$;
    }
    return fetchFn(info);
}