@zodash/down_load/lib/unfetch.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.unfetch = void 0;
function unfetch(url, options) {
    const _options = options || {};
    return new Promise((resolve, reject) => {
        const request = new XMLHttpRequest();
        const keys = [];
        const all = [];
        const headers = {};
        const response = () => ({
            ok: (request.status / 100 | 0) == 2,
            statusText: request.statusText,
            status: request.status,
            url: request.responseURL,
            text: () => Promise.resolve(request.responseText),
            json: () => Promise.resolve(request.responseText).then(JSON.parse),
            blob: () => Promise.resolve(new Blob([request.response])),
            clone: response,
            headers: {
                keys: () => keys,
                entries: () => all,
                get: (name) => headers[name.toLowerCase()],
                has: (name) => name.toLowerCase() in headers,
            },
        });
        request.open(_options.method || 'get', url, true);
        request.onload = () => {
            request.getAllResponseHeaders().replace(/^(.*?):[^\S\n]*([\s\S]*?)$/gm, (m, key, value) => {
                keys.push(key = key.toLowerCase());
                all.push([key, value]);
                headers[key] = headers[key] ? `${headers[key]},${value}` : value;
                return '';
            });
            resolve(response()); // @TODO not the same as fetch Response
        };
        request.onerror = reject;
        request.withCredentials = _options.credentials === 'include';
        for (const key in _options.headers) {
            request.setRequestHeader(key, _options.headers[key]);
        }
        request.send(_options.body || null);
    });
}
exports.unfetch = unfetch;
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