Add diagnostics platform to Fastdotcom (#111525)

homeassistant/components/fastdotcom/diagnostics.py

@@ -0,0 +1,24 @@
+"""Diagnostics support for Fast.com."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+
+from .const import DOMAIN
+from .coordinator import FastdotcomDataUpdateCoordinator
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, config_entry: ConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for the config entry."""
+    coordinator: FastdotcomDataUpdateCoordinator = hass.data[DOMAIN][
+        config_entry.entry_id
+    ]
+
+    return {
+        "coordinator_data": coordinator.data,
+    }