Linted everything, removed semistandard

test/deepFreeze/deepFreeze.js

@@ -1,6 +1,6 @@
 const deepFreeze = obj =>
   Object.keys(obj).forEach(
     prop =>
-      !obj[prop] instanceof Object || Object.isFrozen(obj[prop]) ? null : deepFreeze(obj[prop])
+      !(obj[prop] instanceof Object) || Object.isFrozen(obj[prop]) ? null : deepFreeze(obj[prop])
   ) || Object.freeze(obj);
 module.exports = deepFreeze;

test/dig/dig.js

@@ -2,7 +2,7 @@ const dig = (obj, target) =>
   target in obj
     ? obj[target]
     : Object.values(obj).reduce((acc, val) => {
-        if (acc !== undefined) return acc;
-        if (typeof val === 'object') return dig(val, target);
-      }, undefined);
+      if (acc !== undefined) return acc;
+      if (typeof val === 'object') return dig(val, target);
+    }, undefined);
 module.exports = dig;

test/elo/elo.js

@@ -3,9 +3,9 @@ const elo = ([...ratings], kFactor = 32, selfRating) => {
   const expectedScore = (self, opponent) => 1 / (1 + 10 ** ((opponent - self) / 400));
   const newRating = (rating, i) =>
     (selfRating || rating) + kFactor * (i - expectedScore(i ? a : b, i ? b : a));
-  if (ratings.length === 2) {
+  if (ratings.length === 2)
     return [newRating(a, 1), newRating(b, 0)];
-  }
+
   for (let i = 0, len = ratings.length; i < len; i++) {
     let j = i;
     while (j < len - 1) {

test/factorial/factorial.js

@@ -1,8 +1,8 @@
 const factorial = n =>
   n < 0
     ? (() => {
-        throw new TypeError('Negative numbers are not allowed!');
-      })()
+      throw new TypeError('Negative numbers are not allowed!');
+    })()
     : n <= 1
       ? 1
       : n * factorial(n - 1);

test/getImages/getImages.test.js

@@ -15,4 +15,4 @@ test("getImages returns an Array", () => {
 test("getImages removes duplicates from images Array", () => {
     expect(getImages(TEST_HTML, false).length).toBeLessThanOrEqual(getImages(TEST_HTML, true).length);
     expect(getImages(TEST_HTML, true)).toEqual(expect.arrayContaining(getImages(TEST_HTML, false)));
-});\n
+});

test/isPrimitive/isPrimitive.js

@@ -1,2 +1,2 @@
-const isPrimitive = val => !['object', 'function'].includes(typeof val) || val === null;
+const isPrimitive = val => Object(val) !== val;
 module.exports = isPrimitive;

test/remove/remove.js

@@ -1,8 +1,8 @@
 const remove = (arr, func) =>
   Array.isArray(arr)
     ? arr.filter(func).reduce((acc, val) => {
-        arr.splice(arr.indexOf(val), 1);
-        return acc.concat(val);
-      }, [])
+      arr.splice(arr.indexOf(val), 1);
+      return acc.concat(val);
+    }, [])
     : [];
 module.exports = remove;

test/squareSum/squareSum.js

@@ -0,0 +1,2 @@
+const squareSum = (...args) => args.reduce((squareSum, number) => squareSum + Math.pow(number, 2), 0);
+module.exports = squareSum;

test/squareSum/squareSum.test.js

@@ -0,0 +1,6 @@
+const expect = require('expect');
+const squareSum = require('./squareSum.js');
+
+test('squareSum is a Function', () => {
+  expect(squareSum).toBeInstanceOf(Function);
+});

test/throttle/throttle.js

@@ -14,7 +14,7 @@ const throttle = (fn, wait) => {
           fn.apply(context, args);
           lastTime = Date.now();
         }
-      }, wait - (Date.now() - lastTime));
+      }, Math.max(wait - (Date.now() - lastTime), 0));
     }
   };
 };