lint lib/colors.js

lib/colors.js

@@ -11,25 +11,29 @@ exports.match = function(r1, g1, b1) {
       return -1;
     }
     hex = exports.hexToRGB(hex);
-    r1 = hex[0], g1 = hex[1], b1 = hex[2];
+    r1 = hex[0];
+    g1 = hex[1];
+    b1 = hex[2];
   } else if (Array.isArray(r1)) {
-    b1 = r1[2], g1 = r1[1], r1 = r1[0];
+    b1 = r1[2];
+    g1 = r1[1];
+    r1 = r1[0];
   }
 
   var hash = (r1 << 16) | (g1 << 8) | b1;
 
-  if (exports._cache[hash] != null) {
+  if (exports._cache[hash] !== null) {
     return exports._cache[hash];
   }
 
-  var ldiff = Infinity
-    , li = -1
-    , i = 0
-    , c
-    , r2
-    , g2
-    , b2
-    , diff;
+  var ldiff = Infinity,
+    li = -1,
+    i = 0,
+    c,
+    r2,
+    g2,
+    b2,
+    diff;
 
   for (; i < exports.vcolors.length; i++) {
     c = exports.vcolors[i];
@@ -50,12 +54,15 @@ exports.match = function(r1, g1, b1) {
     }
   }
 
-  return exports._cache[hash] = li;
+  exports._cache[hash] = li;
+  return exports._cache[hash];
 };
 
 exports.RGBToHex = function(r, g, b) {
   if (Array.isArray(r)) {
-    b = r[2], g = r[1], r = r[0];
+    b = r[2];
+    g = r[1];
+    r = r[0];
   }
 
   function hex(n) {
@@ -69,16 +76,10 @@ exports.RGBToHex = function(r, g, b) {
 
 exports.hexToRGB = function(hex) {
   if (hex.length === 4) {
-    hex = hex[0]
-      + hex[1] + hex[1]
-      + hex[2] + hex[2]
-      + hex[3] + hex[3];
+    hex = hex[0] + hex[1] + hex[1] + hex[2] + hex[2] + hex[3] + hex[3];
   }
 
-  var col = parseInt(hex.substring(1), 16)
-    , r = (col >> 16) & 0xff
-    , g = (col >> 8) & 0xff
-    , b = col & 0xff;
+  var col = parseInt(hex.substring(1), 16), r = (col >> 16) & 0xff, g = (col >> 8) & 0xff, b = col & 0xff;
 
   return [r, g, b];
 };
@@ -90,9 +91,7 @@ exports.hexToRGB = function(hex) {
 // [1] http://stackoverflow.com/questions/1633828
 
 function colorDistance(r1, g1, b1, r2, g2, b2) {
-  return Math.pow(30 * (r1 - r2), 2)
-    + Math.pow(59 * (g1 - g2), 2)
-    + Math.pow(11 * (b1 - b2), 2);
+  return Math.pow(30 * (r1 - r2), 2) + Math.pow(59 * (g1 - g2), 2) + Math.pow(11 * (b1 - b2), 2);
 }
 
 // This might work well enough for a terminal's colors: treat RGB as XYZ in a
@@ -102,7 +101,7 @@ exports.mixColors = function(c1, c2, alpha) {
   // if (c2 === 0x1ff) return c1;
   if (c1 === 0x1ff) c1 = 0;
   if (c2 === 0x1ff) c2 = 0;
-  if (alpha == null) alpha = 0.5;
+  if (alpha === null) alpha = 0.5;
 
   c1 = exports.vcolors[c1];
   var r1 = c1[0];
@@ -125,13 +124,13 @@ exports.blend = function blend(attr, attr2, alpha) {
   var name, i, c, nc;
 
   var bg = attr & 0x1ff;
-  if (attr2 != null) {
+  if (attr2 !== null) {
     var bg2 = attr2 & 0x1ff;
     if (bg === 0x1ff) bg = 0;
     if (bg2 === 0x1ff) bg2 = 0;
     bg = exports.mixColors(bg, bg2, alpha);
   } else {
-    if (blend._cache[bg] != null) {
+    if (blend._cache[bg] !== null) {
       bg = blend._cache[bg];
     // } else if (bg < 8) {
     //   bg += 8;
@@ -159,7 +158,7 @@ exports.blend = function blend(attr, attr2, alpha) {
   attr |= bg;
 
   var fg = (attr >> 9) & 0x1ff;
-  if (attr2 != null) {
+  if (attr2 !== null) {
     var fg2 = (attr2 >> 9) & 0x1ff;
     // 0, 7, 188, 231, 251
     if (fg === 0x1ff) {
@@ -171,7 +170,7 @@ exports.blend = function blend(attr, attr2, alpha) {
       fg = exports.mixColors(fg, fg2, alpha);
     }
   } else {
-    if (blend._cache[fg] != null) {
+    if (blend._cache[fg] !== null) {
       fg = blend._cache[fg];
     // } else if (fg < 8) {
     //   fg += 8;
@@ -242,13 +241,7 @@ exports.xterm = [
 // Seed all 256 colors. Assume xterm defaults.
 // Ported from the xterm color generation script.
 exports.colors = (function() {
-  var cols = exports.colors = []
-    , _cols = exports.vcolors = []
-    , r
-    , g
-    , b
-    , i
-    , l;
+  var cols = exports.colors = [], _cols = exports.vcolors = [], r, g, b, i, l;
 
   function hex(n) {
     n = n.toString(16);
@@ -293,9 +286,7 @@ exports.colors = (function() {
 // Map higher colors to the first 8 colors.
 // This allows translation of high colors to low colors on 8-color terminals.
 exports.ccolors = (function() {
-  var _cols = exports.vcolors.slice()
-    , cols = exports.colors.slice()
-    , out;
+  var _cols = exports.vcolors.slice(), cols = exports.colors.slice(), out;
 
   exports.vcolors = exports.vcolors.slice(0, 8);
   exports.colors = exports.colors.slice(0, 8);
@@ -353,10 +344,9 @@ var colorNames = exports.colorNames = {
 
 exports.convert = function(color) {
   if (typeof color === 'number') {
-    ;
   } else if (typeof color === 'string') {
     color = color.replace(/[\- ]/g, '');
-    if (colorNames[color] != null) {
+    if (colorNames[color] !== null) {
       color = colorNames[color];
     } else {
       color = exports.match(color);