2025-07-28 14:18:42 +02:00

95 lines
3.8 KiB
TypeScript

import { BaseComponent } from './_base_component';
import { BinarySensorDeviceClass } from './_enums';
/**
* Represents a MQTT Binary Sensor component for Home Assistant MQTT Discovery.
*
* The `mqtt` binary sensor platform uses an MQTT message received to set the binary sensor's state to `on`, `off` or `unknown`.
*
* For detailed documentation see:
* https://www.home-assistant.io/integrations/binary_sensor.mqtt/
*/
export interface BinarySensorComponent extends BaseComponent {
/**
* Must be `binary_sensor`.
* Only allowed and required in [MQTT auto discovery device messages](https://www.home-assistant.io/integrations/mqtt/#device-discovery-payload).
*/
platform: 'binary_sensor';
/**
* The MQTT topic subscribed to receive sensor's state.
* Valid states are `OFF` and `ON`.
* Custom `OFF` and `ON` values can be set with the `payload_off` and `payload_on` config options.
*/
state_topic?: string;
/**
* Sets the [class of the device](https://www.home-assistant.io/integrations/binary_sensor/#device-class),
* changing the device state and icon that is displayed on the frontend.
* The `device_class` defaults to `null` (generic binary sensor).
*/
device_class?: BinarySensorDeviceClass;
/**
* The string that represents the `on` state.
* It will be compared to the message in the `state_topic` (see `value_template` for details).
* Default: "ON"
*/
payload_on?: string;
/**
* The string that represents the `off` state.
* It will be compared to the message in the `state_topic` (see `value_template` for details).
* Default: "OFF"
*/
payload_off?: string;
/**
* Defines a [template](https://www.home-assistant.io/docs/configuration/templating/#using-value-templates-with-mqtt)
* that returns a string to be compared to `payload_on`/`payload_off` or an empty string,
* in which case the MQTT message will be removed.
* Remove this option when `payload_on` and `payload_off` are sufficient to match your payloads
* (i.e no preprocessing of original message is required).
*/
value_template?: string;
/**
* Sends update events (which results in update of [state object](https://www.home-assistant.io/docs/configuration/state_object/)'s `last_changed`)
* even if the sensor's state hasn't changed. Useful if you want to have meaningful value graphs in history
* or want to create an automation that triggers on *every* incoming state message (not only when the sensor's new state is different to the current one).
* Default: false
*/
force_update?: boolean;
/**
* If set, it defines the number of seconds after the sensor's state expires,
* if it's not updated. After expiry, the sensor's state becomes `unavailable`.
* Default the sensor's state never expires.
*/
expire_after?: number;
/**
* Defines a [template](https://www.home-assistant.io/docs/configuration/templating/#using-value-templates-with-mqtt)
* to extract the JSON dictionary from messages received on the `json_attributes_topic`.
* Usage example can be found in [MQTT sensor](https://www.home-assistant.io/integrations/sensor.mqtt/#json-attributes-template-configuration) documentation.
*/
json_attributes_template?: string;
/**
* The MQTT topic subscribed to receive a JSON dictionary payload and then set as sensor attributes.
* Usage example can be found in [MQTT sensor](https://www.home-assistant.io/integrations/sensor.mqtt/#json-attributes-topic-configuration) documentation.
*/
json_attributes_topic?: string;
/**
* If set, the sensor will send `off` state after this amount of seconds when the sensor only sends `on` state updates.
*/
off_delay?: number;
/**
* The string that represents the `offline` state.
* Default: "offline"
*/
payload_not_available?: string;
}