Convert hui-toggle-entity-row to TypeScript/LitElement (#1939)

* Convert hui-toggle-entity-row to TypeScript/LitElement

* Properly set generic-entity properties

* Addressed review comments

* Address review comments

src/panels/lovelace/entity-rows/hui-toggle-entity-row.js

@@ -1,76 +0,0 @@
-import { html } from "@polymer/polymer/lib/utils/html-tag";
-import { PolymerElement } from "@polymer/polymer/polymer-element";
-
-import "../components/hui-generic-entity-row";
-import "../../../components/entity/ha-entity-toggle";
-
-import computeStateDisplay from "../../../common/entity/compute_state_display";
-
-import LocalizeMixin from "../../../mixins/localize-mixin";
-
-/*
- * @appliesMixin LocalizeMixin
- */
-class HuiToggleEntityRow extends LocalizeMixin(PolymerElement) {
-  static get template() {
-    return html`
-      <hui-generic-entity-row
-        hass="[[hass]]"
-        config="[[_config]]"
-      >
-        ${this.toggleControlTemplate}
-      </hui-generic-entity-row>
-    `;
-  }
-
-  static get toggleControlTemplate() {
-    return html`
-      <template is="dom-if" if="[[_canToggle]]">
-        <ha-entity-toggle
-          hass="[[hass]]"
-          state-obj="[[_stateObj]]"
-        ></ha-entity-toggle>
-      </template>
-      <template is="dom-if" if="[[!_canToggle]]">
-        <div>
-          [[_computeState(_stateObj)]]
-        </div>
-      </template>
-    `;
-  }
-
-  static get properties() {
-    return {
-      hass: Object,
-      _config: Object,
-      _stateObj: {
-        type: Object,
-        computed: "_computeStateObj(hass.states, _config.entity)",
-      },
-      _canToggle: {
-        type: Boolean,
-        computed: "_computeCanToggle(_stateObj.state)",
-      },
-    };
-  }
-
-  _computeStateObj(states, entityId) {
-    return states && entityId in states ? states[entityId] : null;
-  }
-
-  _computeCanToggle(state) {
-    return state === "on" || state === "off";
-  }
-
-  _computeState(stateObj) {
-    return stateObj && computeStateDisplay(this.localize, stateObj);
-  }
-
-  setConfig(config) {
-    if (!config || !config.entity) {
-      throw new Error("Entity not configured.");
-    }
-    this._config = config;
-  }
-}
-customElements.define("hui-toggle-entity-row", HuiToggleEntityRow);

src/panels/lovelace/entity-rows/hui-toggle-entity-row.ts

@@ -0,0 +1,78 @@
+import { html, LitElement, PropertyDeclarations } from "@polymer/lit-element";
+import { TemplateResult } from "lit-html";
+
+import "../components/hui-generic-entity-row";
+import "../../../components/entity/ha-entity-toggle";
+import "./hui-error-entity-row";
+
+import computeStateDisplay from "../../../common/entity/compute_state_display";
+import { hassLocalizeLitMixin } from "../../../mixins/lit-localize-mixin";
+import { HomeAssistant } from "../../../types";
+import { EntityRow, EntityConfig } from "./types";
+
+class HuiToggleEntityRow extends hassLocalizeLitMixin(LitElement)
+  implements EntityRow {
+  public hass?: HomeAssistant;
+  private _config?: EntityConfig;
+
+  static get properties(): PropertyDeclarations {
+    return {
+      hass: {},
+      _config: {},
+    };
+  }
+
+  public setConfig(config: EntityConfig): void {
+    if (!config) {
+      throw new Error("Configuration error");
+    }
+    this._config = config;
+  }
+
+  protected render(): TemplateResult {
+    if (!this._config || !this.hass) {
+      return html``;
+    }
+
+    const stateObj = this.hass.states[this._config.entity];
+
+    if (!stateObj) {
+      return html`
+        <hui-error-entity-row
+          .entity=${this._config.entity}
+        ></hui-error-entity-row>`;
+    }
+
+    return html`
+      <hui-generic-entity-row
+        .hass=${this.hass}
+        .config=${this._config}
+      >
+        ${
+          stateObj.state === "on" || stateObj.state === "off"
+            ? html`
+            <ha-entity-toggle
+              .hass=${this.hass}
+              .stateObj=${stateObj}
+            ></ha-entity-toggle>`
+            : html`
+            <div>
+              ${computeStateDisplay(
+                this.localize,
+                stateObj,
+                this.hass!.language
+              )}
+            </div>`
+        }
+      </hui-generic-entity-row>
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "hui-toggle-entity-row": HuiToggleEntityRow;
+  }
+}
+
+customElements.define("hui-toggle-entity-row", HuiToggleEntityRow);