mqtt javascript examples

[zatalian]

Hi,

I'm trying to use MQTT-Dash in combination with the esp8266_milight_hub project from sidoh and a mosquitto server running on my pc.

I'm simply trying to turn on/off a lamp and get the status of the lamp from the mosquitto server.

to get the status, i subscribe to "milight/states/" and get the following json as result:

{"state":"OFF","brightness":255,"mode":2,"bulb_mode":"scene","color":{"r":255,"g":255,"b":255}}

to turn the lamp on or off, i publish to "milight" the following json:

{"state":"OFF"}

As I understand, those json messages must be the same to get the MQTT-Dash button to work correctly? I can use $.state the get the value "ON", or "OFF" from the state, but then only that is send when i try to publish a new state.

Is there a way (with javascript?) to either filter the response from the subscription or to format the payload i want to publish, so that they are the same?

Do you have some javascript examples that modify the payload in any way?

Thanks!

[zatalian]

Solved the problem with the following code in OnMessage:

var i = event.payload.indexOf(",");

var result = event.payload.substring(0, i) + "}";

event.payload = result;

Where can i find some more information about this event object? What other properties does it have? Can i for example access the result of the jsonpath filter?

[Vadim Mostovoy]

Hi, there is Help button in the script editor. Depending on metric/event type it displays relevant help page.

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Thanks,

Vadim Mostovoy

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[Matt Elias]

Is there more detailed help somewhere? Or more examples?

[Vadim Mostovoy]

Hi,
​All available JS API explained in​ integrated help (help button in script editor - fjr each metric type and handler type there is separate help page opened).
Also all standard JS functions available.

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Thanks,

Vadim Mostovoy

On Sun, Dec 31, 2017 at 2:03 AM, Matt Elias <elias...@gmail.com> wrote:

Is there more detailed help somewhere? Or more examples?