Add support for displaying time listeners (#7220)

src/data/ws-templates.ts

@@ -9,6 +9,7 @@ interface TemplateListeners {
   all: boolean;
   domains: string[];
   entities: string[];
+  time: boolean;
 }
 
 export const subscribeRenderTemplate = (

src/panels/developer-tools/template/developer-tools-template.ts

@@ -151,6 +151,15 @@ class HaPanelDevTemplate extends LitElement {
             class="rendered ${classMap({ error: Boolean(this._error) })}"
           ><!-- display: block -->${this._error}${this._templateResult
             ?.result}</pre>
+          ${this._templateResult?.listeners.time
+            ? html`
+                <h3>
+                  ${this.hass.localize(
+                    "ui.panel.developer-tools.tabs.templates.time"
+                  )}
+                </h3>
+              `
+            : ""}
           ${!this._templateResult?.listeners
             ? ""
             : this._templateResult.listeners.all

src/panels/lovelace/cards/hui-markdown-card.ts

@@ -144,7 +144,7 @@ export class HuiMarkdownCard extends LitElement implements LovelaceCard {
     } catch (_err) {
       this._templateResult = {
         result: this._config!.content,
-        listeners: { all: false, domains: [], entities: [] },
+        listeners: { all: false, domains: [], entities: [], time: false },
       };
       this._unsubRenderTemplate = undefined;
     }

src/translations/en.json

@@ -2949,6 +2949,7 @@
             "jinja_documentation": "Jinja2 template documentation",
             "template_extensions": "Home Assistant template extensions",
             "unknown_error_template": "Unknown error rendering template",
+            "time": "This template updates every 60 seconds after the last state changed event.",
             "all_listeners": "This template listens for all state changed events.",
             "no_listeners": "This template does not listen for any state changed events and will not update automatically.",
             "listeners": "This template listens for the following state changed events:",