ethers
Version:
A complete and compact Ethereum library, for dapps, wallets and any other tools.
67 lines • 2.51 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getUrl = exports.createGetUrl = void 0;
const errors_js_1 = require("./errors.js");
function createGetUrl(options) {
async function getUrl(req, _signal) {
(0, errors_js_1.assert)(_signal == null || !_signal.cancelled, "request cancelled before sending", "CANCELLED");
const protocol = req.url.split(":")[0].toLowerCase();
(0, errors_js_1.assert)(protocol === "http" || protocol === "https", `unsupported protocol ${protocol}`, "UNSUPPORTED_OPERATION", {
info: { protocol },
operation: "request"
});
(0, errors_js_1.assert)(protocol === "https" || !req.credentials || req.allowInsecureAuthentication, "insecure authorized connections unsupported", "UNSUPPORTED_OPERATION", {
operation: "request"
});
let error = null;
const controller = new AbortController();
const timer = setTimeout(() => {
error = (0, errors_js_1.makeError)("request timeout", "TIMEOUT");
controller.abort();
}, req.timeout);
if (_signal) {
_signal.addListener(() => {
error = (0, errors_js_1.makeError)("request cancelled", "CANCELLED");
controller.abort();
});
}
const init = {
method: req.method,
headers: new Headers(Array.from(req)),
body: req.body || undefined,
signal: controller.signal
};
let resp;
try {
resp = await fetch(req.url, init);
}
catch (_error) {
clearTimeout(timer);
if (error) {
throw error;
}
throw _error;
}
clearTimeout(timer);
const headers = {};
resp.headers.forEach((value, key) => {
headers[key.toLowerCase()] = value;
});
const respBody = await resp.arrayBuffer();
const body = (respBody == null) ? null : new Uint8Array(respBody);
return {
statusCode: resp.status,
statusMessage: resp.statusText,
headers, body
};
}
return getUrl;
}
exports.createGetUrl = createGetUrl;
// @TODO: remove in v7; provided for backwards compat
const defaultGetUrl = createGetUrl({});
async function getUrl(req, _signal) {
return defaultGetUrl(req, _signal);
}
exports.getUrl = getUrl;
//# sourceMappingURL=geturl-browser.js.map