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https://github.com/sergiutoporjinschi/node-red-contrib-utils

A node-red node which concatenates multiple messages based on a list of topics
https://github.com/sergiutoporjinschi/node-red-contrib-utils

concatenate concatenation node-red node-red-contrib node-red-project utils

Last synced: 6 days ago
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A node-red node which concatenates multiple messages based on a list of topics

Host: GitHub
URL: https://github.com/sergiutoporjinschi/node-red-contrib-utils
Owner: SergiuToporjinschi
License: gpl-3.0
Created: 2018-12-03T23:42:19.000Z (almost 6 years ago)
Default Branch: master
Last Pushed: 2018-12-15T17:40:11.000Z (almost 6 years ago)
Last Synced: 2024-10-08T17:58:08.275Z (about 1 month ago)
Topics: concatenate, concatenation, node-red, node-red-contrib, node-red-project, utils
Language: JavaScript
Homepage:
Size: 21.5 KB
Stars: 0
Watchers: 2
Forks: 1
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE

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# node-red-contrib-utils

Concatenates multiple messages based on a list of topics;

## Properties

* **Topics** (List of objects)

  List of objects as guidance for concatenation

* **Topic** (String)

  Expected topics

* **Mandatory** (Mandatory/Optional)

  The message will not be emitted through output if one of the mandatory topics is missing

### Inputs

Multiple messages that contains topic and payload

    

### Output

A message with all received topics as key and their payloads as values

If multiple meessages will have the same topic, the last message will be considered

The output message will be emitted when the last mandatory topic arrives. If there are no mandatory topics then will be emitted when all optional topics are received.

## Changelog

### v0.1.0 (December 03, 2018)

* Adding Join by Topics;

## Testing schema

```

[{"id":"e46f3c73.cf7c","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"37c0e705.96c6b8","type":"join-topics","z":"e46f3c73.cf7c","name":"Join","topics":[{"topic":"a","mandatory":false},{"topic":"b","mandatory":true},{"topic":"c","mandatory":false}],"x":410,"y":120,"wires":[["8be67450.049df8"]]},{"id":"bb62ca89.aac188","type":"inject","z":"e46f3c73.cf7c","name":"","topic":"a","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":210,"y":80,"wires":[["37c0e705.96c6b8"]]},{"id":"4b0e0dde.f4f554","type":"inject","z":"e46f3c73.cf7c","name":"","topic":"b","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":210,"y":120,"wires":[["37c0e705.96c6b8"]]},{"id":"8be67450.049df8","type":"debug","z":"e46f3c73.cf7c","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","x":530,"y":120,"wires":[]},{"id":"e28ebc44.1cc6f","type":"inject","z":"e46f3c73.cf7c","name":"","topic":"c","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":210,"y":160,"wires":[["37c0e705.96c6b8"]]},{"id":"3036280f.7b5b78","type":"inject","z":"e46f3c73.cf7c","name":"","topic":"d","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":210,"y":200,"wires":[["37c0e705.96c6b8"]]}]

```