lib: replace var with let/const

PR-URL: https://github.com/nodejs/node/pull/30394
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
This commit is contained in:
kresimirfranin 2019-11-12 16:15:33 +01:00 committed by Gireesh Punathil
parent 19291351bb
commit a412a97a73

View File

@ -92,8 +92,8 @@ const codes = {
}; };
const ckeys = ObjectKeys(codes); const ckeys = ObjectKeys(codes);
for (var ck = 0; ck < ckeys.length; ck++) { for (let ck = 0; ck < ckeys.length; ck++) {
var ckey = ckeys[ck]; const ckey = ckeys[ck];
codes[codes[ckey]] = ckey; codes[codes[ckey]] = ckey;
} }
@ -131,14 +131,14 @@ function zlibBufferOnError(err) {
} }
function zlibBufferOnEnd() { function zlibBufferOnEnd() {
var buf; let buf;
var err; let err;
if (this.nread >= kMaxLength) { if (this.nread >= kMaxLength) {
err = new ERR_BUFFER_TOO_LARGE(); err = new ERR_BUFFER_TOO_LARGE();
} else if (this.nread === 0) { } else if (this.nread === 0) {
buf = Buffer.alloc(0); buf = Buffer.alloc(0);
} else { } else {
var bufs = this.buffers; const bufs = this.buffers;
buf = (bufs.length === 1 ? bufs[0] : Buffer.concat(bufs, this.nread)); buf = (bufs.length === 1 ? bufs[0] : Buffer.concat(bufs, this.nread));
} }
this.close(); this.close();
@ -230,7 +230,7 @@ const checkRangesOrGetDefault = hideStackFrames(
// The base class for all Zlib-style streams. // The base class for all Zlib-style streams.
function ZlibBase(opts, mode, handle, { flush, finishFlush, fullFlush }) { function ZlibBase(opts, mode, handle, { flush, finishFlush, fullFlush }) {
var chunkSize = Z_DEFAULT_CHUNK; let chunkSize = Z_DEFAULT_CHUNK;
// The ZlibBase class is not exported to user land, the mode should only be // The ZlibBase class is not exported to user land, the mode should only be
// passed in by us. // passed in by us.
assert(typeof mode === 'number'); assert(typeof mode === 'number');
@ -379,7 +379,7 @@ ZlibBase.prototype._destroy = function(err, callback) {
}; };
ZlibBase.prototype._transform = function(chunk, encoding, cb) { ZlibBase.prototype._transform = function(chunk, encoding, cb) {
var flushFlag = this._defaultFlushFlag; let flushFlag = this._defaultFlushFlag;
// We use a 'fake' zero-length chunk to carry information about flushes from // We use a 'fake' zero-length chunk to carry information about flushes from
// the public API to the actual stream implementation. // the public API to the actual stream implementation.
if (typeof chunk[kFlushFlag] === 'number') { if (typeof chunk[kFlushFlag] === 'number') {
@ -403,22 +403,22 @@ ZlibBase.prototype._processChunk = function(chunk, flushFlag, cb) {
}; };
function processChunkSync(self, chunk, flushFlag) { function processChunkSync(self, chunk, flushFlag) {
var availInBefore = chunk.byteLength; let availInBefore = chunk.byteLength;
var availOutBefore = self._chunkSize - self._outOffset; let availOutBefore = self._chunkSize - self._outOffset;
var inOff = 0; let inOff = 0;
var availOutAfter; let availOutAfter;
var availInAfter; let availInAfter;
var buffers = null; let buffers = null;
var nread = 0; let nread = 0;
var inputRead = 0; let inputRead = 0;
const state = self._writeState; const state = self._writeState;
const handle = self._handle; const handle = self._handle;
var buffer = self._outBuffer; let buffer = self._outBuffer;
var offset = self._outOffset; let offset = self._outOffset;
const chunkSize = self._chunkSize; const chunkSize = self._chunkSize;
var error; let error;
self.on('error', function onError(er) { self.on('error', function onError(er) {
error = er; error = er;
}); });
@ -437,12 +437,12 @@ function processChunkSync(self, chunk, flushFlag) {
availOutAfter = state[0]; availOutAfter = state[0];
availInAfter = state[1]; availInAfter = state[1];
var inDelta = (availInBefore - availInAfter); const inDelta = (availInBefore - availInAfter);
inputRead += inDelta; inputRead += inDelta;
var have = availOutBefore - availOutAfter; const have = availOutBefore - availOutAfter;
if (have > 0) { if (have > 0) {
var out = buffer.slice(offset, offset + have); const out = buffer.slice(offset, offset + have);
offset += have; offset += have;
if (!buffers) if (!buffers)
buffers = [out]; buffers = [out];
@ -527,7 +527,7 @@ function processCallback() {
const have = handle.availOutBefore - availOutAfter; const have = handle.availOutBefore - availOutAfter;
if (have > 0) { if (have > 0) {
var out = self._outBuffer.slice(self._outOffset, self._outOffset + have); const out = self._outBuffer.slice(self._outOffset, self._outOffset + have);
self._outOffset += have; self._outOffset += have;
self.push(out); self.push(out);
} else { } else {
@ -599,11 +599,11 @@ const zlibDefaultOpts = {
// Base class for all streams actually backed by zlib and using zlib-specific // Base class for all streams actually backed by zlib and using zlib-specific
// parameters. // parameters.
function Zlib(opts, mode) { function Zlib(opts, mode) {
var windowBits = Z_DEFAULT_WINDOWBITS; let windowBits = Z_DEFAULT_WINDOWBITS;
var level = Z_DEFAULT_COMPRESSION; let level = Z_DEFAULT_COMPRESSION;
var memLevel = Z_DEFAULT_MEMLEVEL; let memLevel = Z_DEFAULT_MEMLEVEL;
var strategy = Z_DEFAULT_STRATEGY; let strategy = Z_DEFAULT_STRATEGY;
var dictionary; let dictionary;
if (opts) { if (opts) {
// windowBits is special. On the compression side, 0 is an invalid value. // windowBits is special. On the compression side, 0 is an invalid value.
@ -912,8 +912,8 @@ ObjectDefineProperties(module.exports, {
// These should be considered deprecated // These should be considered deprecated
// expose all the zlib constants // expose all the zlib constants
const bkeys = ObjectKeys(constants); const bkeys = ObjectKeys(constants);
for (var bk = 0; bk < bkeys.length; bk++) { for (let bk = 0; bk < bkeys.length; bk++) {
var bkey = bkeys[bk]; const bkey = bkeys[bk];
if (bkey.startsWith('BROTLI')) continue; if (bkey.startsWith('BROTLI')) continue;
ObjectDefineProperty(module.exports, bkey, { ObjectDefineProperty(module.exports, bkey, {
enumerable: false, value: constants[bkey], writable: false enumerable: false, value: constants[bkey], writable: false