Add refresh timer for re-rendering displayTemplate

Add refresh timer for re-rendering displayTemplate

MMM-HomeAssistantDisplay.js

@@ -52,6 +52,13 @@ Module.register("MMM-HomeAssistantDisplay", {
 						entity: section.triggerEntities[entity]
 					});
 				}
+				// Set up a timer to trigger re-rendering outside of any entity state update
+				if (section.refreshTimer) {
+					setInterval(()=> {
+						this.renderTemplates("timeout");
+						this.updateDom();
+					}, section.refreshTimer * 1000);
+				}
 			}
 		}
 		this.renderTemplates("foo");

README.md

@@ -55,6 +55,7 @@ Templates allow you to output virtually any HTML you want to in the contents of
 | triggerEntities | The array of entities to watch for state changes to determine if this sections displayTemplate should be re-rendered. |
 | displayTemplate | The template to send to Home Assistant to render.  The results of the render will be displayed as the contents of this section in the module. |
 | class | The CSS class name to add to the `<div>` surrounding this section of the module. This is a name you choose yourself, for example "HAValues". You can then style this section by adding a .HAvalues-section in custom.css. |
+| refreshTimer | Set a refresh timeout in seconds to re-render this section's displayTemplate, regardless of whether or not an entity has changed states. |
 
 #### Note