@whatwg-node/server
Version:
Fetch API compliant HTTP Server adapter
53 lines (52 loc) • 1.99 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.HTTPError = void 0;
exports.createDefaultErrorHandler = createDefaultErrorHandler;
exports.useErrorHandling = useErrorHandling;
const fetch_1 = require("@whatwg-node/fetch");
const promise_helpers_1 = require("@whatwg-node/promise-helpers");
function createDefaultErrorHandler(ResponseCtor = fetch_1.Response) {
return function defaultErrorHandler(e) {
if (e.details || e.status || e.headers || e.name === 'HTTPError') {
return new ResponseCtor(typeof e.details === 'object' ? JSON.stringify(e.details) : e.message, {
status: e.status,
headers: e.headers || {},
});
}
console.error(e);
return createDefaultErrorResponse(ResponseCtor);
};
}
function createDefaultErrorResponse(ResponseCtor) {
if (ResponseCtor.error) {
return ResponseCtor.error();
}
return new ResponseCtor(null, { status: 500 });
}
class HTTPError extends Error {
status;
message;
headers;
details;
name = 'HTTPError';
constructor(status = 500, message, headers = {}, details) {
super(message);
this.status = status;
this.message = message;
this.headers = headers;
this.details = details;
Error.captureStackTrace(this, HTTPError);
}
}
exports.HTTPError = HTTPError;
function useErrorHandling(onError) {
return {
onRequest({ requestHandler, setRequestHandler, fetchAPI }) {
const errorHandler = onError || createDefaultErrorHandler(fetchAPI.Response);
setRequestHandler(function handlerWithErrorHandling(request, serverContext) {
return (0, promise_helpers_1.handleMaybePromise)(() => requestHandler(request, serverContext), response => response, e => errorHandler(e, request, serverContext) ||
createDefaultErrorResponse(fetchAPI.Response));
});
},
};
}