got
Version:
Human-friendly and powerful HTTP request library for Node.js
126 lines (125 loc) • 4.99 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const net = require("net");
const unhandle_1 = require("./unhandle");
const reentry = Symbol('reentry');
const noop = () => { };
class TimeoutError extends Error {
constructor(threshold, event) {
super(`Timeout awaiting '${event}' for ${threshold}ms`);
this.event = event;
this.name = 'TimeoutError';
this.code = 'ETIMEDOUT';
}
}
exports.TimeoutError = TimeoutError;
exports.default = (request, delays, options) => {
if (Reflect.has(request, reentry)) {
return noop;
}
request[reentry] = true;
const cancelers = [];
const { once, unhandleAll } = unhandle_1.default();
const addTimeout = (delay, callback, event) => {
var _a, _b;
const timeout = setTimeout(callback, delay, delay, event);
(_b = (_a = timeout).unref) === null || _b === void 0 ? void 0 : _b.call(_a);
const cancel = () => {
clearTimeout(timeout);
};
cancelers.push(cancel);
return cancel;
};
const { host, hostname } = options;
const timeoutHandler = (delay, event) => {
if (request.socket) {
// @ts-ignore We do not want the `socket hang up` error
request.socket._hadError = true;
}
request.abort();
request.emit('error', new TimeoutError(delay, event));
};
const cancelTimeouts = () => {
for (const cancel of cancelers) {
cancel();
}
unhandleAll();
};
request.once('error', error => {
cancelTimeouts();
// Save original behavior
if (request.listenerCount('error') === 0) {
throw error;
}
});
request.once('abort', cancelTimeouts);
once(request, 'response', (response) => {
once(response, 'end', cancelTimeouts);
});
if (typeof delays.request !== 'undefined') {
addTimeout(delays.request, timeoutHandler, 'request');
}
if (typeof delays.socket !== 'undefined') {
const socketTimeoutHandler = () => {
timeoutHandler(delays.socket, 'socket');
};
request.setTimeout(delays.socket, socketTimeoutHandler);
// `request.setTimeout(0)` causes a memory leak.
// We can just remove the listener and forget about the timer - it's unreffed.
// See https://github.com/sindresorhus/got/issues/690
cancelers.push(() => {
request.removeListener('timeout', socketTimeoutHandler);
});
}
once(request, 'socket', (socket) => {
var _a;
// @ts-ignore Node typings doesn't have this property
const { socketPath } = request;
/* istanbul ignore next: hard to test */
if (socket.connecting) {
const hasPath = Boolean((socketPath !== null && socketPath !== void 0 ? socketPath : net.isIP((_a = (hostname !== null && hostname !== void 0 ? hostname : host), (_a !== null && _a !== void 0 ? _a : ''))) !== 0));
if (typeof delays.lookup !== 'undefined' && !hasPath && typeof socket.address().address === 'undefined') {
const cancelTimeout = addTimeout(delays.lookup, timeoutHandler, 'lookup');
once(socket, 'lookup', cancelTimeout);
}
if (typeof delays.connect !== 'undefined') {
const timeConnect = () => addTimeout(delays.connect, timeoutHandler, 'connect');
if (hasPath) {
once(socket, 'connect', timeConnect());
}
else {
once(socket, 'lookup', (error) => {
if (error === null) {
once(socket, 'connect', timeConnect());
}
});
}
}
if (typeof delays.secureConnect !== 'undefined' && options.protocol === 'https:') {
once(socket, 'connect', () => {
const cancelTimeout = addTimeout(delays.secureConnect, timeoutHandler, 'secureConnect');
once(socket, 'secureConnect', cancelTimeout);
});
}
}
if (typeof delays.send !== 'undefined') {
const timeRequest = () => addTimeout(delays.send, timeoutHandler, 'send');
/* istanbul ignore next: hard to test */
if (socket.connecting) {
once(socket, 'connect', () => {
once(request, 'upload-complete', timeRequest());
});
}
else {
once(request, 'upload-complete', timeRequest());
}
}
});
if (typeof delays.response !== 'undefined') {
once(request, 'upload-complete', () => {
const cancelTimeout = addTimeout(delays.response, timeoutHandler, 'response');
once(request, 'response', cancelTimeout);
});
}
return cancelTimeouts;
};