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Prefer const/let over var

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This commit is contained in:
Juanjo Diaz
2018-05-24 00:27:09 +03:00
parent cdb860ad84
commit 2b5f94fa6a
42 changed files with 1091 additions and 1131 deletions
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59
core/base64.js
View File

@@ -13,33 +13,30 @@ export default {
encode: function (data) {
"use strict";
var result = '';
var toBase64Table = this.toBase64Table;
var length = data.length;
var lengthpad = (length % 3);
let result = '';
const length = data.length;
const lengthpad = (length % 3);
// Convert every three bytes to 4 ascii characters.
for (var i = 0; i < (length - 2); i += 3) {
result += toBase64Table[data[i] >> 2];
result += toBase64Table[((data[i] & 0x03) << 4) + (data[i + 1] >> 4)];
result += toBase64Table[((data[i + 1] & 0x0f) << 2) + (data[i + 2] >> 6)];
result += toBase64Table[data[i + 2] & 0x3f];
for (let i = 0; i < (length - 2); i += 3) {
result += this.toBase64Table[data[i] >> 2];
result += this.toBase64Table[((data[i] & 0x03) << 4) + (data[i + 1] >> 4)];
result += this.toBase64Table[((data[i + 1] & 0x0f) << 2) + (data[i + 2] >> 6)];
result += this.toBase64Table[data[i + 2] & 0x3f];
}
// Convert the remaining 1 or 2 bytes, pad out to 4 characters.
var j = 0;
const j = length - lengthpad;
if (lengthpad === 2) {
j = length - lengthpad;
result += toBase64Table[data[j] >> 2];
result += toBase64Table[((data[j] & 0x03) << 4) + (data[j + 1] >> 4)];
result += toBase64Table[(data[j + 1] & 0x0f) << 2];
result += toBase64Table[64];
result += this.toBase64Table[data[j] >> 2];
result += this.toBase64Table[((data[j] & 0x03) << 4) + (data[j + 1] >> 4)];
result += this.toBase64Table[(data[j + 1] & 0x0f) << 2];
result += this.toBase64Table[64];
} else if (lengthpad === 1) {
j = length - lengthpad;
result += toBase64Table[data[j] >> 2];
result += toBase64Table[(data[j] & 0x03) << 4];
result += toBase64Table[64];
result += toBase64Table[64];
result += this.toBase64Table[data[j] >> 2];
result += this.toBase64Table[(data[j] & 0x03) << 4];
result += this.toBase64Table[64];
result += this.toBase64Table[64];
}
return result;
@@ -60,23 +57,21 @@ export default {
decode: function (data, offset) {
"use strict";
offset = typeof(offset) !== 'undefined' ? offset : 0;
var toBinaryTable = this.toBinaryTable;
var base64Pad = this.base64Pad;
var result, result_length;
var leftbits = 0; // number of bits decoded, but yet to be appended
var leftdata = 0; // bits decoded, but yet to be appended
var data_length = data.indexOf('=') - offset;
let data_length = data.indexOf('=') - offset;
if (data_length < 0) { data_length = data.length - offset; }
/* Every four characters is 3 resulting numbers */
result_length = (data_length >> 2) * 3 + Math.floor((data_length % 4) / 1.5);
result = new Array(result_length);
const result_length = (data_length >> 2) * 3 + Math.floor((data_length % 4) / 1.5);
const result = new Array(result_length);
// Convert one by one.
for (var idx = 0, i = offset; i < data.length; i++) {
var c = toBinaryTable[data.charCodeAt(i) & 0x7f];
var padding = (data.charAt(i) === base64Pad);
let leftbits = 0; // number of bits decoded, but yet to be appended
let leftdata = 0; // bits decoded, but yet to be appended
for (let idx = 0, i = offset; i < data.length; i++) {
const c = this.toBinaryTable[data.charCodeAt(i) & 0x7f];
const padding = (data.charAt(i) === this.base64Pad);
// Skip illegal characters and whitespace
if (c === -1) {
Log.Error("Illegal character code " + data.charCodeAt(i) + " at position " + i);
@@ -100,7 +95,7 @@ export default {
// If there are any bits left, the base64 string was corrupted
if (leftbits) {
var err = new Error('Corrupted base64 string');
const err = new Error('Corrupted base64 string');
err.name = 'Base64-Error';
throw err;
}

114
core/des.js
View File

@@ -79,80 +79,76 @@ export default function DES(passwd) {
"use strict";
// Tables, permutations, S-boxes, etc.
var PC2 = [13,16,10,23, 0, 4, 2,27,14, 5,20, 9,22,18,11, 3,
25, 7,15, 6,26,19,12, 1,40,51,30,36,46,54,29,39,
50,44,32,47,43,48,38,55,33,52,45,41,49,35,28,31 ],
const PC2 = [13,16,10,23, 0, 4, 2,27,14, 5,20, 9,22,18,11, 3,
25, 7,15, 6,26,19,12, 1,40,51,30,36,46,54,29,39,
50,44,32,47,43,48,38,55,33,52,45,41,49,35,28,31 ],
totrot = [ 1, 2, 4, 6, 8,10,12,14,15,17,19,21,23,25,27,28],
z = 0x0, a,b,c,d,e,f, SP1,SP2,SP3,SP4,SP5,SP6,SP7,SP8,
z = 0x0,
keys = [];
let a,b,c,d,e,f;
a=1<<16; b=1<<24; c=a|b; d=1<<2; e=1<<10; f=d|e;
SP1 = [c|e,z|z,a|z,c|f,c|d,a|f,z|d,a|z,z|e,c|e,c|f,z|e,b|f,c|d,b|z,z|d,
z|f,b|e,b|e,a|e,a|e,c|z,c|z,b|f,a|d,b|d,b|d,a|d,z|z,z|f,a|f,b|z,
a|z,c|f,z|d,c|z,c|e,b|z,b|z,z|e,c|d,a|z,a|e,b|d,z|e,z|d,b|f,a|f,
c|f,a|d,c|z,b|f,b|d,z|f,a|f,c|e,z|f,b|e,b|e,z|z,a|d,a|e,z|z,c|d];
const SP1 = [c|e,z|z,a|z,c|f,c|d,a|f,z|d,a|z,z|e,c|e,c|f,z|e,b|f,c|d,b|z,z|d,
z|f,b|e,b|e,a|e,a|e,c|z,c|z,b|f,a|d,b|d,b|d,a|d,z|z,z|f,a|f,b|z,
a|z,c|f,z|d,c|z,c|e,b|z,b|z,z|e,c|d,a|z,a|e,b|d,z|e,z|d,b|f,a|f,
c|f,a|d,c|z,b|f,b|d,z|f,a|f,c|e,z|f,b|e,b|e,z|z,a|d,a|e,z|z,c|d];
a=1<<20; b=1<<31; c=a|b; d=1<<5; e=1<<15; f=d|e;
SP2 = [c|f,b|e,z|e,a|f,a|z,z|d,c|d,b|f,b|d,c|f,c|e,b|z,b|e,a|z,z|d,c|d,
a|e,a|d,b|f,z|z,b|z,z|e,a|f,c|z,a|d,b|d,z|z,a|e,z|f,c|e,c|z,z|f,
z|z,a|f,c|d,a|z,b|f,c|z,c|e,z|e,c|z,b|e,z|d,c|f,a|f,z|d,z|e,b|z,
z|f,c|e,a|z,b|d,a|d,b|f,b|d,a|d,a|e,z|z,b|e,z|f,b|z,c|d,c|f,a|e];
const SP2 = [c|f,b|e,z|e,a|f,a|z,z|d,c|d,b|f,b|d,c|f,c|e,b|z,b|e,a|z,z|d,c|d,
a|e,a|d,b|f,z|z,b|z,z|e,a|f,c|z,a|d,b|d,z|z,a|e,z|f,c|e,c|z,z|f,
z|z,a|f,c|d,a|z,b|f,c|z,c|e,z|e,c|z,b|e,z|d,c|f,a|f,z|d,z|e,b|z,
z|f,c|e,a|z,b|d,a|d,b|f,b|d,a|d,a|e,z|z,b|e,z|f,b|z,c|d,c|f,a|e];
a=1<<17; b=1<<27; c=a|b; d=1<<3; e=1<<9; f=d|e;
SP3 = [z|f,c|e,z|z,c|d,b|e,z|z,a|f,b|e,a|d,b|d,b|d,a|z,c|f,a|d,c|z,z|f,
b|z,z|d,c|e,z|e,a|e,c|z,c|d,a|f,b|f,a|e,a|z,b|f,z|d,c|f,z|e,b|z,
c|e,b|z,a|d,z|f,a|z,c|e,b|e,z|z,z|e,a|d,c|f,b|e,b|d,z|e,z|z,c|d,
b|f,a|z,b|z,c|f,z|d,a|f,a|e,b|d,c|z,b|f,z|f,c|z,a|f,z|d,c|d,a|e];
const SP3 = [z|f,c|e,z|z,c|d,b|e,z|z,a|f,b|e,a|d,b|d,b|d,a|z,c|f,a|d,c|z,z|f,
b|z,z|d,c|e,z|e,a|e,c|z,c|d,a|f,b|f,a|e,a|z,b|f,z|d,c|f,z|e,b|z,
c|e,b|z,a|d,z|f,a|z,c|e,b|e,z|z,z|e,a|d,c|f,b|e,b|d,z|e,z|z,c|d,
b|f,a|z,b|z,c|f,z|d,a|f,a|e,b|d,c|z,b|f,z|f,c|z,a|f,z|d,c|d,a|e];
a=1<<13; b=1<<23; c=a|b; d=1<<0; e=1<<7; f=d|e;
SP4 = [c|d,a|f,a|f,z|e,c|e,b|f,b|d,a|d,z|z,c|z,c|z,c|f,z|f,z|z,b|e,b|d,
z|d,a|z,b|z,c|d,z|e,b|z,a|d,a|e,b|f,z|d,a|e,b|e,a|z,c|e,c|f,z|f,
b|e,b|d,c|z,c|f,z|f,z|z,z|z,c|z,a|e,b|e,b|f,z|d,c|d,a|f,a|f,z|e,
c|f,z|f,z|d,a|z,b|d,a|d,c|e,b|f,a|d,a|e,b|z,c|d,z|e,b|z,a|z,c|e];
const SP4 = [c|d,a|f,a|f,z|e,c|e,b|f,b|d,a|d,z|z,c|z,c|z,c|f,z|f,z|z,b|e,b|d,
z|d,a|z,b|z,c|d,z|e,b|z,a|d,a|e,b|f,z|d,a|e,b|e,a|z,c|e,c|f,z|f,
b|e,b|d,c|z,c|f,z|f,z|z,z|z,c|z,a|e,b|e,b|f,z|d,c|d,a|f,a|f,z|e,
c|f,z|f,z|d,a|z,b|d,a|d,c|e,b|f,a|d,a|e,b|z,c|d,z|e,b|z,a|z,c|e];
a=1<<25; b=1<<30; c=a|b; d=1<<8; e=1<<19; f=d|e;
SP5 = [z|d,a|f,a|e,c|d,z|e,z|d,b|z,a|e,b|f,z|e,a|d,b|f,c|d,c|e,z|f,b|z,
a|z,b|e,b|e,z|z,b|d,c|f,c|f,a|d,c|e,b|d,z|z,c|z,a|f,a|z,c|z,z|f,
z|e,c|d,z|d,a|z,b|z,a|e,c|d,b|f,a|d,b|z,c|e,a|f,b|f,z|d,a|z,c|e,
c|f,z|f,c|z,c|f,a|e,z|z,b|e,c|z,z|f,a|d,b|d,z|e,z|z,b|e,a|f,b|d];
const SP5 = [z|d,a|f,a|e,c|d,z|e,z|d,b|z,a|e,b|f,z|e,a|d,b|f,c|d,c|e,z|f,b|z,
a|z,b|e,b|e,z|z,b|d,c|f,c|f,a|d,c|e,b|d,z|z,c|z,a|f,a|z,c|z,z|f,
z|e,c|d,z|d,a|z,b|z,a|e,c|d,b|f,a|d,b|z,c|e,a|f,b|f,z|d,a|z,c|e,
c|f,z|f,c|z,c|f,a|e,z|z,b|e,c|z,z|f,a|d,b|d,z|e,z|z,b|e,a|f,b|d];
a=1<<22; b=1<<29; c=a|b; d=1<<4; e=1<<14; f=d|e;
SP6 = [b|d,c|z,z|e,c|f,c|z,z|d,c|f,a|z,b|e,a|f,a|z,b|d,a|d,b|e,b|z,z|f,
z|z,a|d,b|f,z|e,a|e,b|f,z|d,c|d,c|d,z|z,a|f,c|e,z|f,a|e,c|e,b|z,
b|e,z|d,c|d,a|e,c|f,a|z,z|f,b|d,a|z,b|e,b|z,z|f,b|d,c|f,a|e,c|z,
a|f,c|e,z|z,c|d,z|d,z|e,c|z,a|f,z|e,a|d,b|f,z|z,c|e,b|z,a|d,b|f];
const SP6 = [b|d,c|z,z|e,c|f,c|z,z|d,c|f,a|z,b|e,a|f,a|z,b|d,a|d,b|e,b|z,z|f,
z|z,a|d,b|f,z|e,a|e,b|f,z|d,c|d,c|d,z|z,a|f,c|e,z|f,a|e,c|e,b|z,
b|e,z|d,c|d,a|e,c|f,a|z,z|f,b|d,a|z,b|e,b|z,z|f,b|d,c|f,a|e,c|z,
a|f,c|e,z|z,c|d,z|d,z|e,c|z,a|f,z|e,a|d,b|f,z|z,c|e,b|z,a|d,b|f];
a=1<<21; b=1<<26; c=a|b; d=1<<1; e=1<<11; f=d|e;
SP7 = [a|z,c|d,b|f,z|z,z|e,b|f,a|f,c|e,c|f,a|z,z|z,b|d,z|d,b|z,c|d,z|f,
b|e,a|f,a|d,b|e,b|d,c|z,c|e,a|d,c|z,z|e,z|f,c|f,a|e,z|d,b|z,a|e,
b|z,a|e,a|z,b|f,b|f,c|d,c|d,z|d,a|d,b|z,b|e,a|z,c|e,z|f,a|f,c|e,
z|f,b|d,c|f,c|z,a|e,z|z,z|d,c|f,z|z,a|f,c|z,z|e,b|d,b|e,z|e,a|d];
const SP7 = [a|z,c|d,b|f,z|z,z|e,b|f,a|f,c|e,c|f,a|z,z|z,b|d,z|d,b|z,c|d,z|f,
b|e,a|f,a|d,b|e,b|d,c|z,c|e,a|d,c|z,z|e,z|f,c|f,a|e,z|d,b|z,a|e,
b|z,a|e,a|z,b|f,b|f,c|d,c|d,z|d,a|d,b|z,b|e,a|z,c|e,z|f,a|f,c|e,
z|f,b|d,c|f,c|z,a|e,z|z,z|d,c|f,z|z,a|f,c|z,z|e,b|d,b|e,z|e,a|d];
a=1<<18; b=1<<28; c=a|b; d=1<<6; e=1<<12; f=d|e;
SP8 = [b|f,z|e,a|z,c|f,b|z,b|f,z|d,b|z,a|d,c|z,c|f,a|e,c|e,a|f,z|e,z|d,
c|z,b|d,b|e,z|f,a|e,a|d,c|d,c|e,z|f,z|z,z|z,c|d,b|d,b|e,a|f,a|z,
a|f,a|z,c|e,z|e,z|d,c|d,z|e,a|f,b|e,z|d,b|d,c|z,c|d,b|z,a|z,b|f,
z|z,c|f,a|d,b|d,c|z,b|e,b|f,z|z,c|f,a|e,a|e,z|f,z|f,a|d,b|z,c|e];
const SP8 = [b|f,z|e,a|z,c|f,b|z,b|f,z|d,b|z,a|d,c|z,c|f,a|e,c|e,a|f,z|e,z|d,
c|z,b|d,b|e,z|f,a|e,a|d,c|d,c|e,z|f,z|z,z|z,c|d,b|d,b|e,a|f,a|z,
a|f,a|z,c|e,z|e,z|d,c|d,z|e,a|f,b|e,z|d,b|d,c|z,c|d,b|z,a|z,b|f,
z|z,c|f,a|d,b|d,c|z,b|e,b|f,z|z,c|f,a|e,a|e,z|f,z|f,a|d,b|z,c|e];
// Set the key.
function setKeys(keyBlock) {
var i, j, l, m, n, o, pc1m = [], pcr = [], kn = [],
raw0, raw1, rawi, KnLi;
const pc1m = [], pcr = [], kn = [];
for (j = 0, l = 56; j < 56; ++j, l -= 8) {
for (let j = 0, l = 56; j < 56; ++j, l -= 8) {
l += l < -5 ? 65 : l < -3 ? 31 : l < -1 ? 63 : l === 27 ? 35 : 0; // PC1
m = l & 0x7;
const m = l & 0x7;
pc1m[j] = ((keyBlock[l >>> 3] & (1<<m)) !== 0) ? 1: 0;
}
for (i = 0; i < 16; ++i) {
m = i << 1;
n = m + 1;
for (let i = 0; i < 16; ++i) {
const m = i << 1;
const n = m + 1;
kn[m] = kn[n] = 0;
for (o = 28; o < 59; o += 28) {
for (j = o - 28; j < o; ++j) {
l = j + totrot[i];
if (l < o) {
pcr[j] = pc1m[l];
} else {
pcr[j] = pc1m[l - 28];
}
for (let o = 28; o < 59; o += 28) {
for (let j = o - 28; j < o; ++j) {
const l = j + totrot[i];
pcr[j] = l < o ? pc1m[l] : pc1m[l - 28];
}
}
for (j = 0; j < 24; ++j) {
for (let j = 0; j < 24; ++j) {
if (pcr[PC2[j]] !== 0) {
kn[m] |= 1 << (23 - j);
}
@@ -163,9 +159,9 @@ export default function DES(passwd) {
}
// cookey
for (i = 0, rawi = 0, KnLi = 0; i < 16; ++i) {
raw0 = kn[rawi++];
raw1 = kn[rawi++];
for (let i = 0, rawi = 0, KnLi = 0; i < 16; ++i) {
const raw0 = kn[rawi++];
const raw1 = kn[rawi++];
keys[KnLi] = (raw0 & 0x00fc0000) << 6;
keys[KnLi] |= (raw0 & 0x00000fc0) << 10;
keys[KnLi] |= (raw1 & 0x00fc0000) >>> 10;
@@ -181,8 +177,8 @@ export default function DES(passwd) {
// Encrypt 8 bytes of text
function enc8(text) {
var i = 0, b = text.slice(), fval, keysi = 0,
l, r, x; // left, right, accumulator
const b = text.slice();
let i = 0, l, r, x; // left, right, accumulator
// Squash 8 bytes to 2 ints
l = b[i++]<<24 | b[i++]<<16 | b[i++]<<8 | b[i++];
@@ -206,10 +202,10 @@ export default function DES(passwd) {
r ^= x;
l = (l << 1) | ((l >>> 31) & 1);
for (i = 0; i < 8; ++i) {
for (let i = 0, keysi = 0; i < 8; ++i) {
x = (r << 28) | (r >>> 4);
x ^= keys[keysi++];
fval = SP7[x & 0x3f];
let fval = SP7[x & 0x3f];
fval |= SP5[(x >>> 8) & 0x3f];
fval |= SP3[(x >>> 16) & 0x3f];
fval |= SP1[(x >>> 24) & 0x3f];

125
core/display.js
View File

@@ -70,7 +70,7 @@ export default function Display(target) {
Log.Debug("<< Display.constructor");
}
var SUPPORTS_IMAGEDATA_CONSTRUCTOR = false;
let SUPPORTS_IMAGEDATA_CONSTRUCTOR = false;
try {
new ImageData(new Uint8ClampedArray(4), 1, 1);
SUPPORTS_IMAGEDATA_CONSTRUCTOR = true;
@@ -92,7 +92,7 @@ Display.prototype = {
set clipViewport(viewport) {
this._clipViewport = viewport;
// May need to readjust the viewport dimensions
var vp = this._viewportLoc;
const vp = this._viewportLoc;
this.viewportChangeSize(vp.w, vp.h);
this.viewportChangePos(0, 0);
},
@@ -113,7 +113,7 @@ Display.prototype = {
// ===== PUBLIC METHODS =====
viewportChangePos: function (deltaX, deltaY) {
var vp = this._viewportLoc;
const vp = this._viewportLoc;
deltaX = Math.floor(deltaX);
deltaY = Math.floor(deltaY);
@@ -122,8 +122,8 @@ Display.prototype = {
deltaY = -vp.h;
}
var vx2 = vp.x + vp.w - 1;
var vy2 = vp.y + vp.h - 1;
const vx2 = vp.x + vp.w - 1;
const vy2 = vp.y + vp.h - 1;
// Position change
@@ -172,12 +172,12 @@ Display.prototype = {
height = this._fb_height;
}
var vp = this._viewportLoc;
const vp = this._viewportLoc;
if (vp.w !== width || vp.h !== height) {
vp.w = width;
vp.h = height;
var canvas = this._target;
const canvas = this._target;
canvas.width = width;
canvas.height = height;
@@ -206,11 +206,11 @@ Display.prototype = {
this._fb_width = width;
this._fb_height = height;
var canvas = this._backbuffer;
const canvas = this._backbuffer;
if (canvas.width !== width || canvas.height !== height) {
// We have to save the canvas data since changing the size will clear it
var saveImg = null;
let saveImg = null;
if (canvas.width > 0 && canvas.height > 0) {
saveImg = this._drawCtx.getImageData(0, 0, canvas.width, canvas.height);
}
@@ -229,7 +229,7 @@ Display.prototype = {
// Readjust the viewport as it may be incorrectly sized
// and positioned
var vp = this._viewportLoc;
const vp = this._viewportLoc;
this.viewportChangeSize(vp.w, vp.h);
this.viewportChangePos(0, 0);
},
@@ -258,15 +258,13 @@ Display.prototype = {
'type': 'flip'
});
} else {
var x, y, vx, vy, w, h;
let x = this._damageBounds.left;
let y = this._damageBounds.top;
let w = this._damageBounds.right - x;
let h = this._damageBounds.bottom - y;
x = this._damageBounds.left;
y = this._damageBounds.top;
w = this._damageBounds.right - x;
h = this._damageBounds.bottom - y;
vx = x - this._viewportLoc.x;
vy = y - this._viewportLoc.y;
let vx = x - this._viewportLoc.x;
let vy = y - this._viewportLoc.y;
if (vx < 0) {
w += vx;
@@ -372,7 +370,7 @@ Display.prototype = {
},
imageRect: function(x, y, mime, arr) {
var img = new Image();
const img = new Image();
img.src = "data: " + mime + ";base64," + Base64.encode(arr);
this._renderQ_push({
'type': 'img',
@@ -392,12 +390,12 @@ Display.prototype = {
this._tile = this._drawCtx.createImageData(width, height);
}
var red = color[2];
var green = color[1];
var blue = color[0];
const red = color[2];
const green = color[1];
const blue = color[0];
var data = this._tile.data;
for (var i = 0; i < width * height * 4; i += 4) {
const data = this._tile.data;
for (let i = 0; i < width * height * 4; i += 4) {
data[i] = red;
data[i + 1] = green;
data[i + 2] = blue;
@@ -407,17 +405,17 @@ Display.prototype = {
// update sub-rectangle of the current tile
subTile: function (x, y, w, h, color) {
var red = color[2];
var green = color[1];
var blue = color[0];
var xend = x + w;
var yend = y + h;
const red = color[2];
const green = color[1];
const blue = color[0];
const xend = x + w;
const yend = y + h;
var data = this._tile.data;
var width = this._tile.width;
for (var j = y; j < yend; j++) {
for (var i = x; i < xend; i++) {
var p = (i + (j * width)) * 4;
const data = this._tile.data;
const width = this._tile.width;
for (let j = y; j < yend; j++) {
for (let i = x; i < xend; i++) {
const p = (i + (j * width)) * 4;
data[p] = red;
data[p + 1] = green;
data[p + 2] = blue;
@@ -438,7 +436,7 @@ Display.prototype = {
// NB(directxman12): it's technically more performant here to use preallocated arrays,
// but it's a lot of extra work for not a lot of payoff -- if we're using the render queue,
// this probably isn't getting called *nearly* as much
var new_arr = new Uint8Array(width * height * 4);
const new_arr = new Uint8Array(width * height * 4);
new_arr.set(new Uint8Array(arr.buffer, 0, new_arr.length));
this._renderQ_push({
'type': 'blit',
@@ -458,7 +456,7 @@ Display.prototype = {
// NB(directxman12): it's technically more performant here to use preallocated arrays,
// but it's a lot of extra work for not a lot of payoff -- if we're using the render queue,
// this probably isn't getting called *nearly* as much
var new_arr = new Uint8Array(width * height * 3);
const new_arr = new Uint8Array(width * height * 3);
new_arr.set(new Uint8Array(arr.buffer, 0, new_arr.length));
this._renderQ_push({
'type': 'blitRgb',
@@ -478,7 +476,7 @@ Display.prototype = {
// NB(directxman12): it's technically more performant here to use preallocated arrays,
// but it's a lot of extra work for not a lot of payoff -- if we're using the render queue,
// this probably isn't getting called *nearly* as much
var new_arr = new Uint8Array(width * height * 4);
const new_arr = new Uint8Array(width * height * 4);
new_arr.set(new Uint8Array(arr.buffer, 0, new_arr.length));
this._renderQ_push({
'type': 'blitRgbx',
@@ -511,11 +509,11 @@ Display.prototype = {
},
autoscale: function (containerWidth, containerHeight) {
var vp = this._viewportLoc;
var targetAspectRatio = containerWidth / containerHeight;
var fbAspectRatio = vp.w / vp.h;
const vp = this._viewportLoc;
const targetAspectRatio = containerWidth / containerHeight;
const fbAspectRatio = vp.w / vp.h;
var scaleRatio;
let scaleRatio;
if (fbAspectRatio >= targetAspectRatio) {
scaleRatio = containerWidth / vp.w;
} else {
@@ -529,14 +527,14 @@ Display.prototype = {
_rescale: function (factor) {
this._scale = factor;
var vp = this._viewportLoc;
const vp = this._viewportLoc;
// NB(directxman12): If you set the width directly, or set the
// style width to a number, the canvas is cleared.
// However, if you set the style width to a string
// ('NNNpx'), the canvas is scaled without clearing.
var width = Math.round(factor * vp.w) + 'px';
var height = Math.round(factor * vp.h) + 'px';
const width = Math.round(factor * vp.w) + 'px';
const height = Math.round(factor * vp.h) + 'px';
if ((this._target.style.width !== width) ||
(this._target.style.height !== height)) {
@@ -546,7 +544,7 @@ Display.prototype = {
},
_setFillColor: function (color) {
var newStyle = 'rgb(' + color[2] + ',' + color[1] + ',' + color[0] + ')';
const newStyle = 'rgb(' + color[2] + ',' + color[1] + ',' + color[0] + ')';
if (newStyle !== this._prevDrawStyle) {
this._drawCtx.fillStyle = newStyle;
this._prevDrawStyle = newStyle;
@@ -554,9 +552,9 @@ Display.prototype = {
},
_rgbImageData: function (x, y, width, height, arr, offset) {
var img = this._drawCtx.createImageData(width, height);
var data = img.data;
for (var i = 0, j = offset; i < width * height * 4; i += 4, j += 3) {
const img = this._drawCtx.createImageData(width, height);
const data = img.data;
for (let i = 0, j = offset; i < width * height * 4; i += 4, j += 3) {
data[i] = arr[j];
data[i + 1] = arr[j + 1];
data[i + 2] = arr[j + 2];
@@ -567,9 +565,9 @@ Display.prototype = {
},
_bgrxImageData: function (x, y, width, height, arr, offset) {
var img = this._drawCtx.createImageData(width, height);
var data = img.data;
for (var i = 0, j = offset; i < width * height * 4; i += 4, j += 4) {
const img = this._drawCtx.createImageData(width, height);
const data = img.data;
for (let i = 0, j = offset; i < width * height * 4; i += 4, j += 4) {
data[i] = arr[j + 2];
data[i + 1] = arr[j + 1];
data[i + 2] = arr[j];
@@ -581,7 +579,7 @@ Display.prototype = {
_rgbxImageData: function (x, y, width, height, arr, offset) {
// NB(directxman12): arr must be an Type Array view
var img;
let img;
if (SUPPORTS_IMAGEDATA_CONSTRUCTOR) {
img = new ImageData(new Uint8ClampedArray(arr.buffer, arr.byteOffset, width * height * 4), width, height);
} else {
@@ -609,9 +607,9 @@ Display.prototype = {
},
_scan_renderQ: function () {
var ready = true;
let ready = true;
while (ready && this._renderQ.length > 0) {
var a = this._renderQ[0];
const a = this._renderQ[0];
switch (a.type) {
case 'flip':
this.flip(true);
@@ -663,12 +661,11 @@ Display.changeCursor = function (target, pixels, mask, hotx, hoty, w, h) {
return;
}
var cur = []
var y, x;
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
var idx = y * Math.ceil(w / 8) + Math.floor(x / 8);
var alpha = (mask[idx] << (x % 8)) & 0x80 ? 255 : 0;
const cur = []
for (let y = 0; y < h; y++) {
for (let x = 0; x < w; x++) {
let idx = y * Math.ceil(w / 8) + Math.floor(x / 8);
const alpha = (mask[idx] << (x % 8)) & 0x80 ? 255 : 0;
idx = ((w * y) + x) * 4;
cur.push(pixels[idx + 2]); // red
cur.push(pixels[idx + 1]); // green
@@ -677,13 +674,13 @@ Display.changeCursor = function (target, pixels, mask, hotx, hoty, w, h) {
}
}
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
canvas.width = w;
canvas.height = h;
var img;
let img;
if (SUPPORTS_IMAGEDATA_CONSTRUCTOR) {
img = new ImageData(new Uint8ClampedArray(cur), w, h);
} else {
@@ -693,6 +690,6 @@ Display.changeCursor = function (target, pixels, mask, hotx, hoty, w, h) {
ctx.clearRect(0, 0, w, h);
ctx.putImageData(img, 0, 0);
var url = canvas.toDataURL();
const url = canvas.toDataURL();
target.style.cursor = 'url(' + url + ')' + hotx + ' ' + hoty + ', default';
};

2
core/encodings.js
View File

@@ -6,7 +6,7 @@
* See README.md for usage and integration instructions.
*/
export var encodings = {
export const encodings = {
encodingRaw: 0,
encodingCopyRect: 1,
encodingRRE: 2,

2
core/input/domkeytable.js
View File

@@ -13,7 +13,7 @@ import KeyTable from "./keysym.js";
* See https://www.w3.org/TR/uievents-key/ for possible values.
*/
var DOMKeyTable = {};
const DOMKeyTable = {};
function addStandard(key, standard)
{

50
core/input/keyboard.js
View File

@@ -57,7 +57,7 @@ Keyboard.prototype = {
},
_getKeyCode: function (e) {
var code = KeyboardUtil.getKeycode(e);
const code = KeyboardUtil.getKeycode(e);
if (code !== 'Unidentified') {
return code;
}
@@ -80,10 +80,8 @@ Keyboard.prototype = {
return e.keyIdentifier;
}
var codepoint = parseInt(e.keyIdentifier.substr(2), 16);
var char = String.fromCharCode(codepoint);
// Some implementations fail to uppercase the symbols
char = char.toUpperCase();
const codepoint = parseInt(e.keyIdentifier.substr(2), 16);
const char = String.fromCharCode(codepoint).toUpperCase();
return 'Platform' + char.charCodeAt();
}
@@ -92,8 +90,8 @@ Keyboard.prototype = {
},
_handleKeyDown: function (e) {
var code = this._getKeyCode(e);
var keysym = KeyboardUtil.getKeysym(e);
const code = this._getKeyCode(e);
let keysym = KeyboardUtil.getKeysym(e);
// Windows doesn't have a proper AltGr, but handles it using
// fake Ctrl+Alt. However the remote end might not be Windows,
@@ -211,8 +209,8 @@ Keyboard.prototype = {
return;
}
var code = this._getKeyCode(e);
var keysym = KeyboardUtil.getKeysym(e);
let code = this._getKeyCode(e);
const keysym = KeyboardUtil.getKeysym(e);
// The key we were waiting for?
if ((code !== 'Unidentified') && (code != this._pendingKey)) {
@@ -235,9 +233,9 @@ Keyboard.prototype = {
return;
}
var code, keysym;
let keysym;
code = this._pendingKey;
const code = this._pendingKey;
this._pendingKey = null;
// We have no way of knowing the proper keysym with the
@@ -248,7 +246,7 @@ Keyboard.prototype = {
keysym = e.keyCode;
} else if ((e.keyCode >= 0x41) && (e.keyCode <= 0x5a)) {
// Character (A-Z)
var char = String.fromCharCode(e.keyCode);
let char = String.fromCharCode(e.keyCode);
// A feeble attempt at the correct case
if (e.shiftKey)
char = char.toUpperCase();
@@ -266,7 +264,7 @@ Keyboard.prototype = {
_handleKeyUp: function (e) {
stopEvent(e);
var code = this._getKeyCode(e);
const code = this._getKeyCode(e);
// We can't get a release in the middle of an AltGr sequence, so
// abort that detection
@@ -294,7 +292,7 @@ Keyboard.prototype = {
_allKeysUp: function () {
Log.Debug(">> Keyboard.allKeysUp");
for (var code in this._keyDownList) {
for (let code in this._keyDownList) {
this._sendKeyEvent(this._keyDownList[code], code, false);
}
Log.Debug("<< Keyboard.allKeysUp");
@@ -306,14 +304,14 @@ Keyboard.prototype = {
return;
}
let target = this._target;
let downList = this._keyDownList;
const target = this._target;
const downList = this._keyDownList;
['AltLeft', 'AltRight'].forEach(function (code) {
if (!(code in downList)) {
return;
}
let event = new KeyboardEvent('keyup',
const event = new KeyboardEvent('keyup',
{ key: downList[code],
code: code });
target.dispatchEvent(event);
@@ -324,11 +322,10 @@ Keyboard.prototype = {
grab: function () {
//Log.Debug(">> Keyboard.grab");
var c = this._target;
c.addEventListener('keydown', this._eventHandlers.keydown);
c.addEventListener('keyup', this._eventHandlers.keyup);
c.addEventListener('keypress', this._eventHandlers.keypress);
this._target.addEventListener('keydown', this._eventHandlers.keydown);
this._target.addEventListener('keyup', this._eventHandlers.keyup);
this._target.addEventListener('keypress', this._eventHandlers.keypress);
// Release (key up) if window loses focus
window.addEventListener('blur', this._eventHandlers.blur);
@@ -337,7 +334,7 @@ Keyboard.prototype = {
// best we can for releases (still doesn't prevent the menu
// from popping up though as we can't call preventDefault())
if (browser.isWindows() && browser.isFirefox()) {
let handler = this._eventHandlers.checkalt;
const handler = this._eventHandlers.checkalt;
['mousedown', 'mouseup', 'mousemove', 'wheel',
'touchstart', 'touchend', 'touchmove',
'keydown', 'keyup'].forEach(function (type) {
@@ -352,10 +349,9 @@ Keyboard.prototype = {
ungrab: function () {
//Log.Debug(">> Keyboard.ungrab");
var c = this._target;
if (browser.isWindows() && browser.isFirefox()) {
let handler = this._eventHandlers.checkalt;
const handler = this._eventHandlers.checkalt;
['mousedown', 'mouseup', 'mousemove', 'wheel',
'touchstart', 'touchend', 'touchmove',
'keydown', 'keyup'].forEach(function (type) {
@@ -363,9 +359,9 @@ Keyboard.prototype = {
});
}
c.removeEventListener('keydown', this._eventHandlers.keydown);
c.removeEventListener('keyup', this._eventHandlers.keyup);
c.removeEventListener('keypress', this._eventHandlers.keypress);
this._target.removeEventListener('keydown', this._eventHandlers.keydown);
this._target.removeEventListener('keyup', this._eventHandlers.keyup);
this._target.removeEventListener('keypress', this._eventHandlers.keypress);
window.removeEventListener('blur', this._eventHandlers.blur);
// Release (key up) all keys that are in a down state

4
core/input/keysymdef.js
View File

@@ -7,7 +7,7 @@
/* Functions at the bottom */
var codepoints = {
const codepoints = {
0x0100: 0x03c0, // XK_Amacron
0x0101: 0x03e0, // XK_amacron
0x0102: 0x01c3, // XK_Abreve
@@ -677,7 +677,7 @@ export default {
}
// Lookup table (fairly random)
var keysym = codepoints[u];
const keysym = codepoints[u];
if (keysym !== undefined) {
return keysym;
}

31
core/input/mouse.js
View File

@@ -9,9 +9,9 @@ import * as Log from '../util/logging.js';
import { isTouchDevice } from '../util/browser.js';
import { setCapture, stopEvent, getPointerEvent } from '../util/events.js';
var WHEEL_STEP = 10; // Delta threshold for a mouse wheel step
var WHEEL_STEP_TIMEOUT = 50; // ms
var WHEEL_LINE_HEIGHT = 19;
const WHEEL_STEP = 10; // Delta threshold for a mouse wheel step
const WHEEL_STEP_TIMEOUT = 50; // ms
const WHEEL_LINE_HEIGHT = 19;
export default function Mouse(target) {
this._target = target || document;
@@ -52,9 +52,9 @@ Mouse.prototype = {
_handleMouseButton: function (e, down) {
this._updateMousePosition(e);
var pos = this._pos;
let pos = this._pos;
var bmask;
let bmask;
if (e.touches || e.changedTouches) {
// Touch device
@@ -70,13 +70,13 @@ Mouse.prototype = {
// force the position of the latter touch to the position of
// the first.
var xs = this._lastTouchPos.x - pos.x;
var ys = this._lastTouchPos.y - pos.y;
var d = Math.sqrt((xs * xs) + (ys * ys));
const xs = this._lastTouchPos.x - pos.x;
const ys = this._lastTouchPos.y - pos.y;
const d = Math.sqrt((xs * xs) + (ys * ys));
// The goal is to trigger on a certain physical width, the
// devicePixelRatio brings us a bit closer but is not optimal.
var threshold = 20 * (window.devicePixelRatio || 1);
const threshold = 20 * (window.devicePixelRatio || 1);
if (d < threshold) {
pos = this._lastTouchPos;
}
@@ -156,8 +156,8 @@ Mouse.prototype = {
this._updateMousePosition(e);
var dX = e.deltaX;
var dY = e.deltaY;
let dX = e.deltaX;
let dY = e.deltaY;
// Pixel units unless it's non-zero.
// Note that if deltamode is line or page won't matter since we aren't
@@ -215,8 +215,9 @@ Mouse.prototype = {
// Update coordinates relative to target
_updateMousePosition: function(e) {
e = getPointerEvent(e);
var bounds = this._target.getBoundingClientRect();
var x, y;
const bounds = this._target.getBoundingClientRect();
let x;
let y;
// Clip to target bounds
if (e.clientX < bounds.left) {
x = 0;
@@ -238,7 +239,7 @@ Mouse.prototype = {
// ===== PUBLIC METHODS =====
grab: function () {
var c = this._target;
const c = this._target;
if (isTouchDevice) {
c.addEventListener('touchstart', this._eventHandlers.mousedown);
@@ -259,7 +260,7 @@ Mouse.prototype = {
},
ungrab: function () {
var c = this._target;
const c = this._target;
this._resetWheelStepTimers();

12
core/input/util.js
View File

@@ -24,7 +24,7 @@ export function getKeycode(evt){
// in the 'keyCode' field for non-printable characters. However
// Webkit sets it to the same as charCode in 'keypress' events.
if ((evt.type !== 'keypress') && (evt.keyCode in vkeys)) {
var code = vkeys[evt.keyCode];
let code = vkeys[evt.keyCode];
// macOS has messed up this code for some reason
if (browser.isMac() && (code === 'ContextMenu')) {
@@ -110,7 +110,7 @@ export function getKey(evt) {
}
// Try to deduce it based on the physical key
var code = getKeycode(evt);
const code = getKeycode(evt);
if (code in fixedkeys) {
return fixedkeys[code];
}
@@ -126,7 +126,7 @@ export function getKey(evt) {
// Get the most reliable keysym value we can get from a key event
export function getKeysym(evt){
var key = getKey(evt);
const key = getKey(evt);
if (key === 'Unidentified') {
return null;
@@ -134,7 +134,7 @@ export function getKeysym(evt){
// First look up special keys
if (key in DOMKeyTable) {
var location = evt.location;
let location = evt.location;
// Safari screws up location for the right cmd key
if ((key === 'Meta') && (location === 0)) {
@@ -150,14 +150,12 @@ export function getKeysym(evt){
// Now we need to look at the Unicode symbol instead
var codepoint;
// Special key? (FIXME: Should have been caught earlier)
if (key.length !== 1) {
return null;
}
codepoint = key.charCodeAt();
const codepoint = key.charCodeAt();
if (codepoint) {
return keysyms.lookup(codepoint);
}

478
core/rfb.js
View File

File diff suppressed because it is too large Load Diff

6
core/util/browser.js
View File

@@ -9,7 +9,7 @@
import * as Log from './logging.js';
// Touch detection
export var isTouchDevice = ('ontouchstart' in document.documentElement) ||
export let isTouchDevice = ('ontouchstart' in document.documentElement) ||
// requried for Chrome debugger
(document.ontouchstart !== undefined) ||
// required for MS Surface
@@ -20,12 +20,12 @@ window.addEventListener('touchstart', function onFirstTouch() {
window.removeEventListener('touchstart', onFirstTouch, false);
}, false);
var _cursor_uris_supported = null;
let _cursor_uris_supported = null;
export function supportsCursorURIs () {
if (_cursor_uris_supported === null) {
try {
var target = document.createElement('canvas');
const target = document.createElement('canvas');
target.style.cursor = 'url("data:image/x-icon;base64,AAACAAEACAgAAAIAAgA4AQAAFgAAACgAAAAIAAAAEAAAAAEAIAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAD/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////AAAAAAAAAAAAAAAAAAAAAA==") 2 2, default';
if (target.style.cursor) {

17
core/util/events.js
View File

@@ -20,14 +20,14 @@ export function stopEvent (e) {
}
// Emulate Element.setCapture() when not supported
var _captureRecursion = false;
var _captureElem = null;
let _captureRecursion = false;
let _captureElem = null;
function _captureProxy(e) {
// Recursion protection as we'll see our own event
if (_captureRecursion) return;
// Clone the event as we cannot dispatch an already dispatched event
var newEv = new e.constructor(e.type, e);
const newEv = new e.constructor(e.type, e);
_captureRecursion = true;
_captureElem.dispatchEvent(newEv);
@@ -49,12 +49,13 @@ function _captureProxy(e) {
// Follow cursor style of target element
function _captureElemChanged() {
var captureElem = document.getElementById("noVNC_mouse_capture_elem");
const captureElem = document.getElementById("noVNC_mouse_capture_elem");
captureElem.style.cursor = window.getComputedStyle(_captureElem).cursor;
}
var _captureObserver = new MutationObserver(_captureElemChanged);
var _captureIndex = 0;
const _captureObserver = new MutationObserver(_captureElemChanged);
let _captureIndex = 0;
export function setCapture (elem) {
if (elem.setCapture) {
@@ -69,7 +70,7 @@ export function setCapture (elem) {
// called multiple times without coordination
releaseCapture();
var captureElem = document.getElementById("noVNC_mouse_capture_elem");
let captureElem = document.getElementById("noVNC_mouse_capture_elem");
if (captureElem === null) {
captureElem = document.createElement("div");
@@ -129,7 +130,7 @@ export function releaseCapture () {
_captureObserver.disconnect();
var captureElem = document.getElementById("noVNC_mouse_capture_elem");
const captureElem = document.getElementById("noVNC_mouse_capture_elem");
captureElem.style.display = "none";
window.removeEventListener('mousemove', _captureProxy);

2
core/util/eventtarget.js
View File

@@ -6,7 +6,7 @@
* See README.md for usage and integration instructions.
*/
var EventTargetMixin = {
const EventTargetMixin = {
_listeners: null,
addEventListener: function(type, callback) {

10
core/util/logging.js
View File

@@ -10,12 +10,12 @@
* Logging/debug routines
*/
var _log_level = 'warn';
let _log_level = 'warn';
var Debug = function (msg) {};
var Info = function (msg) {};
var Warn = function (msg) {};
var Error = function (msg) {};
let Debug = function (msg) {};
let Info = function (msg) {};
let Warn = function (msg) {};
let Error = function (msg) {};
export function init_logging (level) {
if (typeof level === 'undefined') {

10
core/util/polyfill.js
View File

@@ -16,13 +16,13 @@ if (typeof Object.assign != 'function') {
throw new TypeError('Cannot convert undefined or null to object');
}
var to = Object(target);
const to = Object(target);
for (var index = 1; index < arguments.length; index++) {
var nextSource = arguments[index];
for (let index = 1; index < arguments.length; index++) {
const nextSource = arguments[index];
if (nextSource != null) { // Skip over if undefined or null
for (var nextKey in nextSource) {
for (let nextKey in nextSource) {
// Avoid bugs when hasOwnProperty is shadowed
if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
to[nextKey] = nextSource[nextKey];
@@ -41,7 +41,7 @@ if (typeof Object.assign != 'function') {
(function () {
function CustomEvent ( event, params ) {
params = params || { bubbles: false, cancelable: false, detail: undefined };
var evt = document.createEvent( 'CustomEvent' );
const evt = document.createEvent( 'CustomEvent' );
evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
return evt;
}

18
core/websock.js
View File

@@ -42,15 +42,15 @@ export default function Websock() {
// this has performance issues in some versions Chromium, and
// doesn't gain a tremendous amount of performance increase in Firefox
// at the moment. It may be valuable to turn it on in the future.
var ENABLE_COPYWITHIN = false;
const ENABLE_COPYWITHIN = false;
var MAX_RQ_GROW_SIZE = 40 * 1024 * 1024; // 40 MiB
const MAX_RQ_GROW_SIZE = 40 * 1024 * 1024; // 40 MiB
var typedArrayToString = (function () {
const typedArrayToString = (function () {
// This is only for PhantomJS, which doesn't like apply-ing
// with Typed Arrays
try {
var arr = new Uint8Array([1, 2, 3]);
const arr = new Uint8Array([1, 2, 3]);
String.fromCharCode.apply(null, arr);
return function (a) { return String.fromCharCode.apply(null, a); };
} catch (ex) {
@@ -115,7 +115,7 @@ Websock.prototype = {
rQshiftStr: function (len) {
if (typeof(len) === 'undefined') { len = this.rQlen(); }
var arr = new Uint8Array(this._rQ.buffer, this._rQi, len);
const arr = new Uint8Array(this._rQ.buffer, this._rQi, len);
this._rQi += len;
return typedArrayToString(arr);
},
@@ -149,7 +149,7 @@ Websock.prototype = {
// to be available in the receive queue. Return true if we need to
// wait (and possibly print a debug message), otherwise false.
rQwait: function (msg, num, goback) {
var rQlen = this._rQlen - this._rQi; // Skip rQlen() function call
const rQlen = this._rQlen - this._rQi; // Skip rQlen() function call
if (rQlen < num) {
if (goback) {
if (this._rQi < goback) {
@@ -251,7 +251,7 @@ Websock.prototype = {
},
_expand_compact_rQ: function (min_fit) {
var resizeNeeded = min_fit || this._rQlen - this._rQi > this._rQbufferSize / 2;
const resizeNeeded = min_fit || this._rQlen - this._rQi > this._rQbufferSize / 2;
if (resizeNeeded) {
if (!min_fit) {
// just double the size if we need to do compaction
@@ -271,7 +271,7 @@ Websock.prototype = {
}
if (resizeNeeded) {
var old_rQbuffer = this._rQ.buffer;
const old_rQbuffer = this._rQ.buffer;
this._rQmax = this._rQbufferSize / 8;
this._rQ = new Uint8Array(this._rQbufferSize);
this._rQ.set(new Uint8Array(old_rQbuffer, this._rQi));
@@ -289,7 +289,7 @@ Websock.prototype = {
_decode_message: function (data) {
// push arraybuffer values onto the end
var u8 = new Uint8Array(data);
const u8 = new Uint8Array(data);
if (u8.length > this._rQbufferSize - this._rQlen) {
this._expand_compact_rQ(u8.length);
}