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lib: var to const #13756

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lib: var to const #13756

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38 changes: 19 additions & 19 deletions lib/_http_agent.js
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ function Agent(options) {

EventEmitter.call(this);

var self = this;
const self = this;

self.defaultPort = 80;
self.protocol = 'http:';
Expand All @@ -64,7 +64,7 @@ function Agent(options) {
self.maxFreeSockets = self.options.maxFreeSockets || 256;

self.on('free', function(socket, options) {
var name = self.getName(options);
const name = self.getName(options);
debug('agent.on(free)', name);

if (socket.writable &&
Expand All @@ -77,13 +77,13 @@ function Agent(options) {
} else {
// If there are no pending requests, then put it in
// the freeSockets pool, but only if we're allowed to do so.
var req = socket._httpMessage;
const req = socket._httpMessage;
if (req &&
req.shouldKeepAlive &&
socket.writable &&
self.keepAlive) {
var freeSockets = self.freeSockets[name];
var freeLen = freeSockets ? freeSockets.length : 0;
const freeLen = freeSockets ? freeSockets.length : 0;
var count = freeLen;
if (self.sockets[name])
count += self.sockets[name].length;
Expand Down Expand Up @@ -156,17 +156,17 @@ Agent.prototype.addRequest = function addRequest(req, options, port/*legacy*/,
}
}

var name = this.getName(options);
const name = this.getName(options);
if (!this.sockets[name]) {
this.sockets[name] = [];
}

var freeLen = this.freeSockets[name] ? this.freeSockets[name].length : 0;
var sockLen = freeLen + this.sockets[name].length;
const freeLen = this.freeSockets[name] ? this.freeSockets[name].length : 0;
const sockLen = freeLen + this.sockets[name].length;

if (freeLen) {
// we have a free socket, so use that.
var socket = this.freeSockets[name].shift();
const socket = this.freeSockets[name].shift();
// Guard against an uninitialized or user supplied Socket.
if (socket._handle && typeof socket._handle.asyncReset === 'function') {
// Assign the handle a new asyncId and run any init() hooks.
Expand Down Expand Up @@ -196,7 +196,7 @@ Agent.prototype.addRequest = function addRequest(req, options, port/*legacy*/,
};

Agent.prototype.createSocket = function createSocket(req, options, cb) {
var self = this;
const self = this;
options = util._extend({}, options);
util._extend(options, self.options);

Expand All @@ -208,7 +208,7 @@ Agent.prototype.createSocket = function createSocket(req, options, cb) {
}
}

var name = self.getName(options);
const name = self.getName(options);
options._agentKey = name;

debug('createConnection', name, options);
Expand Down Expand Up @@ -264,19 +264,19 @@ function installListeners(agent, s, options) {
}

Agent.prototype.removeSocket = function removeSocket(s, options) {
var name = this.getName(options);
const name = this.getName(options);
debug('removeSocket', name, 'writable:', s.writable);
var sets = [this.sockets];
const sets = [this.sockets];

// If the socket was destroyed, remove it from the free buffers too.
if (!s.writable)
sets.push(this.freeSockets);

for (var sk = 0; sk < sets.length; sk++) {
var sockets = sets[sk];
const sockets = sets[sk];

if (sockets[name]) {
var index = sockets[name].indexOf(s);
const index = sockets[name].indexOf(s);
if (index !== -1) {
sockets[name].splice(index, 1);
// Don't leak
Expand All @@ -288,7 +288,7 @@ Agent.prototype.removeSocket = function removeSocket(s, options) {

if (this.requests[name] && this.requests[name].length) {
debug('removeSocket, have a request, make a socket');
var req = this.requests[name][0];
const req = this.requests[name][0];
// If we have pending requests and a socket gets closed make a new one
this.createSocket(req, options, handleSocketCreation(req, false));
}
Expand All @@ -307,12 +307,12 @@ Agent.prototype.reuseSocket = function reuseSocket(socket, req) {
};

Agent.prototype.destroy = function destroy() {
var sets = [this.freeSockets, this.sockets];
const sets = [this.freeSockets, this.sockets];
for (var s = 0; s < sets.length; s++) {
var set = sets[s];
var keys = Object.keys(set);
const set = sets[s];
const keys = Object.keys(set);
for (var v = 0; v < keys.length; v++) {
var setName = set[keys[v]];
const setName = set[keys[v]];
for (var n = 0; n < setName.length; n++) {
setName[n].destroy();
}
Expand Down
80 changes: 40 additions & 40 deletions lib/_http_client.js
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Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,7 @@ function ClientRequest(options, cb) {
}

var agent = options.agent;
var defaultAgent = options._defaultAgent || Agent.globalAgent;
const defaultAgent = options._defaultAgent || Agent.globalAgent;
if (agent === false) {
agent = new defaultAgent.constructor();
} else if (agent === null || agent === undefined) {
Expand All @@ -107,7 +107,7 @@ function ClientRequest(options, cb) {
}
this.agent = agent;

var protocol = options.protocol || defaultAgent.protocol;
const protocol = options.protocol || defaultAgent.protocol;
var expectedProtocol = defaultAgent.protocol;
if (this.agent && this.agent.protocol)
expectedProtocol = this.agent.protocol;
Expand All @@ -129,20 +129,20 @@ function ClientRequest(options, cb) {
throw new errors.Error('ERR_INVALID_PROTOCOL', protocol, expectedProtocol);
}

var defaultPort = options.defaultPort ||
const defaultPort = options.defaultPort ||
this.agent && this.agent.defaultPort;

var port = options.port = options.port || defaultPort || 80;
var host = options.host = validateHost(options.hostname, 'hostname') ||
const port = options.port = options.port || defaultPort || 80;
const host = options.host = validateHost(options.hostname, 'hostname') ||
validateHost(options.host, 'host') || 'localhost';

var setHost = (options.setHost === undefined);
const setHost = (options.setHost === undefined);

this.socketPath = options.socketPath;
this.timeout = options.timeout;

var method = options.method;
var methodIsString = (typeof method === 'string');
const methodIsString = (typeof method === 'string');
if (method != null && !methodIsString) {
throw new errors.TypeError('ERR_INVALID_ARG_TYPE', 'method',
'string', method);
Expand All @@ -162,12 +162,12 @@ function ClientRequest(options, cb) {
this.once('response', cb);
}

var headersArray = Array.isArray(options.headers);
const headersArray = Array.isArray(options.headers);
if (!headersArray) {
if (options.headers) {
var keys = Object.keys(options.headers);
const keys = Object.keys(options.headers);
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
const key = keys[i];
this.setHeader(key, options.headers[key]);
}
}
Expand All @@ -177,7 +177,7 @@ function ClientRequest(options, cb) {
// For the Host header, ensure that IPv6 addresses are enclosed
// in square brackets, as defined by URI formatting
// https://tools.ietf.org/html/rfc3986#section-3.2.2
var posColon = hostHeader.indexOf(':');
const posColon = hostHeader.indexOf(':');
if (posColon !== -1 &&
hostHeader.indexOf(':', posColon + 1) !== -1 &&
hostHeader.charCodeAt(0) !== 91/*'['*/) {
Expand Down Expand Up @@ -228,7 +228,7 @@ function ClientRequest(options, cb) {

var called = false;

var oncreate = (err, socket) => {
const oncreate = (err, socket) => {
if (called)
return;
called = true;
Expand All @@ -244,7 +244,7 @@ function ClientRequest(options, cb) {
if (this.socketPath) {
this._last = true;
this.shouldKeepAlive = false;
var optionsPath = {
const optionsPath = {
path: this.socketPath,
timeout: this.timeout,
rejectUnauthorized: !!options.rejectUnauthorized
Expand Down Expand Up @@ -341,15 +341,15 @@ function emitAbortNT() {


function createHangUpError() {
var error = new Error('socket hang up');
const error = new Error('socket hang up');
error.code = 'ECONNRESET';
return error;
}


function socketCloseListener() {
var socket = this;
var req = socket._httpMessage;
const socket = this;
const req = socket._httpMessage;
debug('HTTP socket close');

// Pull through final chunk, if anything is buffered.
Expand All @@ -359,12 +359,12 @@ function socketCloseListener() {

// NOTE: It's important to get parser here, because it could be freed by
// the `socketOnData`.
var parser = socket.parser;
const parser = socket.parser;
req.emit('close');
if (req.res && req.res.readable) {
// Socket closed before we emitted 'end' below.
req.res.emit('aborted');
var res = req.res;
const res = req.res;
res.on('end', function() {
res.emit('close');
});
Expand Down Expand Up @@ -392,8 +392,8 @@ function socketCloseListener() {
}

function socketErrorListener(err) {
var socket = this;
var req = socket._httpMessage;
const socket = this;
const req = socket._httpMessage;
debug('SOCKET ERROR:', err.message, err.stack);

if (req) {
Expand All @@ -406,7 +406,7 @@ function socketErrorListener(err) {
// Handle any pending data
socket.read();

var parser = socket.parser;
const parser = socket.parser;
if (parser) {
parser.finish();
freeParser(parser, req, socket);
Expand All @@ -419,16 +419,16 @@ function socketErrorListener(err) {
}

function freeSocketErrorListener(err) {
var socket = this;
const socket = this;
debug('SOCKET ERROR on FREE socket:', err.message, err.stack);
socket.destroy();
socket.emit('agentRemove');
}

function socketOnEnd() {
var socket = this;
var req = this._httpMessage;
var parser = this.parser;
const socket = this;
const req = this._httpMessage;
const parser = this.parser;

if (!req.res && !req.socket._hadError) {
// If we don't have a response then we know that the socket
Expand All @@ -444,13 +444,13 @@ function socketOnEnd() {
}

function socketOnData(d) {
var socket = this;
var req = this._httpMessage;
var parser = this.parser;
const socket = this;
const req = this._httpMessage;
const parser = this.parser;

assert(parser && parser.socket === socket);

var ret = parser.execute(d);
const ret = parser.execute(d);
if (ret instanceof Error) {
debug('parse error', ret);
freeParser(parser, req, socket);
Expand All @@ -459,17 +459,17 @@ function socketOnData(d) {
req.emit('error', ret);
} else if (parser.incoming && parser.incoming.upgrade) {
// Upgrade or CONNECT
var bytesParsed = ret;
var res = parser.incoming;
const bytesParsed = ret;
const res = parser.incoming;
req.res = res;

socket.removeListener('data', socketOnData);
socket.removeListener('end', socketOnEnd);
parser.finish();

var bodyHead = d.slice(bytesParsed, d.length);
const bodyHead = d.slice(bytesParsed, d.length);

var eventName = req.method === 'CONNECT' ? 'connect' : 'upgrade';
const eventName = req.method === 'CONNECT' ? 'connect' : 'upgrade';
if (req.listenerCount(eventName) > 0) {
req.upgradeOrConnect = true;

Expand Down Expand Up @@ -503,8 +503,8 @@ function socketOnData(d) {

// client
function parserOnIncomingClient(res, shouldKeepAlive) {
var socket = this.socket;
var req = socket._httpMessage;
const socket = this.socket;
const req = socket._httpMessage;


// propagate "domain" setting...
Expand Down Expand Up @@ -534,7 +534,7 @@ function parserOnIncomingClient(res, shouldKeepAlive) {
// but *can* have a content-length which actually corresponds
// to the content-length of the entity-body had the request
// been a GET.
var isHeadResponse = req.method === 'HEAD';
const isHeadResponse = req.method === 'HEAD';
debug('AGENT isHeadResponse', isHeadResponse);

if (res.statusCode === 100) {
Expand All @@ -561,7 +561,7 @@ function parserOnIncomingClient(res, shouldKeepAlive) {
// add our listener first, so that we guarantee socket cleanup
res.on('end', responseOnEnd);
req.on('prefinish', requestOnPrefinish);
var handled = req.emit('response', res);
const handled = req.emit('response', res);

// If the user did not listen for the 'response' event, then they
// can't possibly read the data, so we ._dump() it into the void
Expand All @@ -574,7 +574,7 @@ function parserOnIncomingClient(res, shouldKeepAlive) {

// client
function responseKeepAlive(res, req) {
var socket = req.socket;
const socket = req.socket;

if (!req.shouldKeepAlive) {
if (socket.writable) {
Expand Down Expand Up @@ -625,7 +625,7 @@ function emitFreeNT(socket) {
}

function tickOnSocket(req, socket) {
var parser = parsers.alloc();
const parser = parsers.alloc();
req.socket = socket;
req.connection = socket;
parser.reinitialize(HTTPParser.RESPONSE);
Expand Down Expand Up @@ -731,7 +731,7 @@ ClientRequest.prototype.setTimeout = function setTimeout(msecs, callback) {
// Set timeoutCb so that it'll get cleaned up on request end
this.timeoutCb = emitTimeout;
if (this.socket) {
var sock = this.socket;
const sock = this.socket;
this.socket.once('connect', function() {
sock.setTimeout(msecs, emitTimeout);
});
Expand Down
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