Travis build: 1045 [cron]

dist/_30s.es5.js

@@ -621,8 +621,8 @@
   };
   var differenceBy = function differenceBy(a, b, fn) {
     var s = new Set(b.map(fn));
-    return a.filter(function (x) {
-      return !s.has(fn(x));
+    return a.map(fn).filter(function (el) {
+      return !s.has(el);
     });
   };
   var differenceWith = function differenceWith(arr, val, comp) {

dist/_30s.esm.js

@@ -257,7 +257,7 @@ const difference = (a, b) => {
 };
 const differenceBy = (a, b, fn) => {
   const s = new Set(b.map(fn));
-  return a.filter(x => !s.has(fn(x)));
+  return a.map(fn).filter(el => !s.has(el));
 };
 const differenceWith = (arr, val, comp) => arr.filter(a => val.findIndex(b => comp(a, b)) === -1);
 const dig = (obj, target) =>
@@ -338,8 +338,8 @@ const extendHex = shortHex =>
 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);
@@ -985,9 +985,9 @@ const reject = (pred, array) => array.filter((...args) => !pred(...args));
 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);
+      }, [])
     : [];
 const removeNonASCII = str => str.replace(/[^\x20-\x7E]/g, '');
 const renameKeys = (keysMap, obj) =>

dist/_30s.js

@@ -263,7 +263,7 @@
   };
   const differenceBy = (a, b, fn) => {
     const s = new Set(b.map(fn));
-    return a.filter(x => !s.has(fn(x)));
+    return a.map(fn).filter(el => !s.has(el));
   };
   const differenceWith = (arr, val, comp) => arr.filter(a => val.findIndex(b => comp(a, b)) === -1);
   const dig = (obj, target) =>
@@ -344,8 +344,8 @@
   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);
@@ -991,9 +991,9 @@
   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);
+        }, [])
       : [];
   const removeNonASCII = str => str.replace(/[^\x20-\x7E]/g, '');
   const renameKeys = (keysMap, obj) =>