feat: weekly feature #7

Author: FreaKzero

index.js

@@ -1,5 +1,6 @@
 const langParser = (pattern, string) => {
   const matchyear = /year/.test(string);
+  const matchweek = /weekly/.test(string);
   if (matchyear) {
     return pattern.map((e, idx) => {
       if ([3, 4].indexOf(idx) > -1) {
@@ -12,6 +13,21 @@ const langParser = (pattern, string) => {
       }
     });
   }
+
+  if (matchweek) {
+    pattern[3] = '*/7';
+    let changed = false;
+    return pattern.map((e, idx) => {
+      if (idx < 4 && e === '*' && !changed) {
+        return 0;
+      } else if (idx === 5) {
+        return '*';
+      }
+      changed = true;
+      return e;
+    });
+  }
+
   return pattern;
 };
 

readme.md

@@ -97,18 +97,33 @@ Be sure when you want to use intervals that you dont use the _at_ token in your
 ### Tokens:
 
 `second, minute, hour, day, month`  
-Examples:  
+
+Examples:
 
 ```
 on Saturdays every 15 minutes
 on december every 1 hour
 every 12 hours
 ```
 
-### Year
+### Special Tokens 
 
-Every year is a special rule which will set the Crontab to first on january and its not possible to use a weekday for this expression.
+## Year
+Always will run on first of january at 0:00 if no time is given.  
+Weekdays are not possible with this expression and will be overwritten.
 
+Examples:  
 ```
+every year
 every year at 9:30
 ```
+
+## Weekly
+Weekly will run on every 7th day of month (*/7) at 0:00 if no time is given.
+Weekdays are not possible with this expression and will be overwritten.
+
+Examples:  
+```
+weekly at 9:30
+weekly in 15 minute intervals on january
+```

test.js

@@ -54,8 +54,10 @@ test(
   '0 0 */2 15-25 3,4 *'
 );
 
-//test('every week in 15 minute intervals on january',  '0 */15 * */7 1 *');
-//test('every week on january',  '0 0 0 */7 1 *');
+test('weekly in 15 minute intervals on january', '0 */15 * */7 1 *');
+test('weekly on january', '0 0 0 */7 1 *');
+test('weekly at 9:30:15', '15 30 9 */7 * *');
+test('weekly at 9:30', '0 30 9 */7 * *');
 
 if (process.env.TESTWATCH) {
   process.stdout.write('\u001b[3J\u001b[2J\u001b[1J');