AWS eventBridge schedule cron expression parser

Validate aws cron expression

1    const { awsCronExpressionValidator } = require('aws-cron-expression-validator')
2    const valid = awsCronExpressionValidator('0 12 ? * MON-FRI *')
3    /** if it's valid it will return object 
4    *return {
5    *  minute,
6    *  hour,
7    *  dayOfMonth,
8    *  month,
9    *  dayOfWeek,
10    *  year,
11    *  expression
12    * }
13    **/
14    // if it's invalid it will throw exception.