I have an payload "payload.date" with format "2021-06-18"
How to write an function to check if the payload.date is today's date+1 day
If its true, forward message, if not, stop the message
Regards
Mons
Where is that coming from? If that comes from, for example, a Date object, then it may be simple.
Otherwise you could use new Date() to give you a date object, add a day to it, then convert that to an ISO string with the appropriate time zone and compare the date part of the string with the string you have.
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here is an example using JSONata expression an $moment(), it would be better if you feed a time in to
[{"id":"e4f5e458.7a6d1","type":"inject","z":"e169487f.02ad68","name":"201-96-08","props":[{"p":"payload.date","v":"2021-06-08","vt":"str"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payloadType":"str","x":290,"y":140,"wires":[["322c5eec.745b0a"]]},{"id":"322c5eec.745b0a","type":"change","z":"e169487f.02ad68","name":"","rules":[{"t":"set","p":"datecheck","pt":"msg","to":"$moment(payload.date).subtract(1,\"days\").isAfter( $moment())","tot":"jsonata"}],"action":"","property":"","from":"","to":"","reg":false,"x":510,"y":160,"wires":[["fe9ecc06.cc0f28"]]},{"id":"fe9ecc06.cc0f28","type":"switch","z":"e169487f.02ad68","name":"","property":"datecheck","propertyType":"msg","rules":[{"t":"true"}],"checkall":"true","repair":false,"outputs":1,"x":600,"y":200,"wires":[["f2878f0a.4a8d88"]]},{"id":"fec467b9.cddcb8","type":"inject","z":"e169487f.02ad68","name":"201-96-09","props":[{"p":"payload.date","v":"2021-06-09","vt":"str"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","x":290,"y":180,"wires":[["322c5eec.745b0a"]]},{"id":"f2878f0a.4a8d88","type":"debug","z":"e169487f.02ad68","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","statusVal":"","statusType":"auto","x":750,"y":180,"wires":[]}]
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Thanks for the help 
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