fix: fixed failing schedule().next() #14

README.md

@@ -89,6 +89,7 @@ Assuming you are using [browserify][], [webpack][], [rollup][], or another bundl
 | -------------- | -------------------------- |
 | **BunKat**     |                            |
 | **Nick Baugh** | <http://niftylettuce.com/> |
+| **yrambler2001** | <https://yrambler2001.me/> |
 
 
 ## License

package.json

@@ -1,15 +1,16 @@
 {
   "name": "@breejs/later",
   "description": "Maintained fork of later. Determine later (or previous) occurrences of recurring schedules",
-  "version": "4.0.2",
+  "version": "4.0.3",
   "author": "BunKat <[email protected]>",
   "bugs": {
     "url": "https://github.com/breejs/later/issues",
     "email": "[email protected]"
   },
   "contributors": [
     "BunKat <[email protected]>",
-    "Nick Baugh <[email protected]> (http://niftylettuce.com/)"
+    "Nick Baugh <[email protected]> (http://niftylettuce.com/)",
+    "yrambler2001 <[email protected]> (https://yrambler2001.me/)"
   ],
   "dependencies": {},
   "devDependencies": {

src/index.js

@@ -841,9 +841,11 @@ later.compile = function (schedDef) {
   function compareFn(dir) {
     return dir === 'next'
       ? function (a, b) {
+          if (!a || !b) return true;
           return a.getTime() > b.getTime();
         }
       : function (a, b) {
+          if (!a || !b) return true;
           return b.getTime() > a.getTime();
         };
   }
@@ -1148,10 +1150,12 @@ later.schedule = function (sched) {
   function compareFn(dir) {
     return dir === 'next'
       ? function (a, b) {
-          return !b || a.getTime() > b.getTime();
+          if (!a || !b) return true;
+          return a.getTime() > b.getTime();
         }
       : function (a, b) {
-          return !a || b.getTime() > a.getTime();
+          if (!a || !b) return true;
+          return b.getTime() > a.getTime();
         };
   }