Merge branch 'master' into lev-dist

test/stableSort/stableSort.js

@@ -0,0 +1,6 @@
+const stableSort = (arr, compare) =>
+arr
+.map((item, index) => ({ item, index }))
+.sort((a, b) => compare(a.item, b.item) || a.index - b.index)
+.map(({ item }) => item);
+module.exports = stableSort;

test/stableSort/stableSort.test.js

@@ -0,0 +1,17 @@
+const test = require('tape');
+const stableSort = require('./stableSort.js');
+
+test('Testing stableSort', (t) => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  t.true(typeof stableSort === 'function', 'stableSort is a Function');
+  //t.deepEqual(stableSort(args..), 'Expected');
+  //t.equal(stableSort(args..), 'Expected');
+  //t.false(stableSort(args..), 'Expected');
+  //t.throws(stableSort(args..), 'Expected');
+  
+  const arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+  const compare = () => 0;
+  t.deepEqual(stableSort(arr, compare), arr, 'Array is properly sorted');
+  t.end();
+});

test/testlog

@@ -1,4 +1,4 @@
-Test log for: Sun Feb 18 2018 19:56:04 GMT+0530 (India Standard Time)
+Test log for: Sun Feb 18 2018 20:24:43 GMT+0000 (UTC)
 
 > 30-seconds-of-code@0.0.2 test R:\github\30-seconds-of-code
 > tape test/**/*.test.js | tap-spec
@@ -1527,6 +1527,11 @@ Test log for: Sun Feb 18 2018 19:56:04 GMT+0530 (India Standard Time)
     √ spreadOver is a Function
     √ Takes a variadic function and returns a closure that accepts an array of arguments to map to the inputs of the function.
 
+  Testing stableSort
+
+    ✔ stableSort is a Function
+    ✔ Array is properly sorted
+
   Testing standardDeviation
 
     √ standardDeviation is a Function
@@ -1915,6 +1920,7 @@ Test log for: Sun Feb 18 2018 19:56:04 GMT+0530 (India Standard Time)
     √ Works with multiple promises
 
 
+
   total:     974
   passing:   974
   duration:  2.9s