minor lints

robin.js

@@ -21,8 +21,10 @@ module.exports = function (n, ps) {  // n = num players
     for (let i = 0; i < n / 2; i += 1) {
       const o = n - 1 - i;
       if (ps[i] !== DUMMY && ps[o] !== DUMMY) {
-        const iHome = i === 0 && j % 2 === 1;
-        rs[j].push([iHome ? ps[o] : ps[i], iHome ? ps[i] : ps[o]]); // insert pair as a match - [ away, home ]
+        // flip orders to ensure everyone gets roughly n/2 home matches
+        const isHome = i === 0 && j % 2 === 1;
+        // insert pair as a match - [ away, home ]
+        rs[j].push([isHome ? ps[o] : ps[i], isHome ? ps[i] : ps[o]]);
       }
     }
     ps.splice(1, 0, ps.pop()); // permutate for next round

test/robin.test.js

@@ -5,7 +5,7 @@ var $ = require('interlude')
 test('robin', function *(t) {
   $.range(20).forEach(function (n) {
     var rs = robin(n);
-    var expected = ($.odd(n)) ? n : n-1;
+    var expected = $.odd(n) ? n : n-1;
     t.eq(expected, rs.length, 'correct number of rounds');
 
     var pMaps = [];
@@ -75,7 +75,7 @@ test('home-away', function *(t) {
       }
     }
 
-    for (let i = 1; i <= n; i++) {
+    for (let i = 1; i <= n; i += 1) {
       const isOddPlayer = i % 2 === 1;
       const fairAmount = (n - 1) / 2;
       const [ roundedUp, roundedDown ] = [ Math.ceil(fairAmount), Math.floor(fairAmount) ];
@@ -95,4 +95,4 @@ test('home-away', function *(t) {
 
   hasCorrectHomeAwayOutput(9);
   hasCorrectHomeAwayOutput(10);
-})
+});