Function parse

parse(content: string): { group: string }
Parser for mqttGroup tags - handles MQTT endpoint grouping

This parser processes
Parameters
- content: string
  Raw content from the mqttGroup tag
Returns { group: string }
Object containing the normalized group name, or null if content is empty
Mqtt Group
tags to extract and normalize MQTT endpoint groups. Groups are used to organize related MQTT endpoints in the generated documentation, separate from REST API groups.
Example: Basic MQTT group
```
// Input: "Telemetry"
// Output: { group: "Telemetry" }
```
Example: MQTT group with spaces
```
// Input: "Device Commands"
// Output: { group: "Device_Commands" }
```
Example: Complex MQTT group
```
// Input: "IoT / Sensor Data"
// Output: { group: "IoT_/_Sensor_Data" }
```
Example: Empty content
```
// Input: "   "
// Output: null
```
Since
4.1.0

Public
- Defined in core/parsers/mqtt_group.ts:38