Migrate ha-form to lit (#4000)

* Migrate ha-form to lit

* Fix import path

* Update

* add default, change suffix, fix import

* Fix select

src/auth/ha-auth-flow.ts

@@ -7,7 +7,7 @@ import {
   css,
 } from "lit-element";
 import "@material/mwc-button";
-import "../components/ha-form";
+import "../components/ha-form/ha-form";
 import "../components/ha-markdown";
 import { litLocalizeLiteMixin } from "../mixins/lit-localize-lite-mixin";
 import { AuthProvider } from "../data/auth";

src/components/ha-form.js

@@ -1,265 +0,0 @@
-import "@polymer/paper-checkbox/paper-checkbox";
-import "@polymer/paper-dropdown-menu/paper-dropdown-menu";
-import "@polymer/paper-icon-button/paper-icon-button";
-import "@polymer/paper-input/paper-input";
-import "@polymer/paper-item/paper-item";
-import "@polymer/paper-listbox/paper-listbox";
-import { html } from "@polymer/polymer/lib/utils/html-tag";
-import { PolymerElement } from "@polymer/polymer/polymer-element";
-
-import "./ha-paper-slider";
-import { EventsMixin } from "../mixins/events-mixin";
-
-/*
- * @appliesMixin EventsMixin
- */
-class HaForm extends EventsMixin(PolymerElement) {
-  static get template() {
-    return html`
-      <style>
-        .error {
-          color: red;
-        }
-        paper-checkbox {
-          display: inline-block;
-          padding: 22px 0;
-        }
-      </style>
-      <template is="dom-if" if="[[_isArray(schema)]]" restamp="">
-        <template is="dom-if" if="[[error.base]]">
-          <div class="error">[[computeError(error.base, schema)]]</div>
-        </template>
-
-        <template is="dom-repeat" items="[[schema]]">
-          <ha-form
-            data="[[_getValue(data, item)]]"
-            schema="[[item]]"
-            error="[[_getValue(error, item)]]"
-            on-data-changed="_valueChanged"
-            compute-error="[[computeError]]"
-            compute-label="[[computeLabel]]"
-            compute-suffix="[[computeSuffix]]"
-          ></ha-form>
-        </template>
-      </template>
-      <template is="dom-if" if="[[!_isArray(schema)]]" restamp="">
-        <template is="dom-if" if="[[error]]">
-          <div class="error">[[computeError(error, schema)]]</div>
-        </template>
-
-        <template
-          is="dom-if"
-          if='[[_equals(schema.type, "string")]]'
-          restamp=""
-        >
-          <template
-            is="dom-if"
-            if='[[_includes(schema.name, "password")]]'
-            restamp=""
-          >
-            <paper-input
-              type="[[_passwordFieldType(unmaskedPassword)]]"
-              label="[[computeLabel(schema)]]"
-              value="{{data}}"
-              required="[[schema.required]]"
-              auto-validate="[[schema.required]]"
-              error-message="Required"
-            >
-              <paper-icon-button
-                toggles
-                active="{{unmaskedPassword}}"
-                slot="suffix"
-                icon="[[_passwordFieldIcon(unmaskedPassword)]]"
-                id="iconButton"
-                title="Click to toggle between masked and clear password"
-              >
-              </paper-icon-button>
-            </paper-input>
-          </template>
-          <template
-            is="dom-if"
-            if='[[!_includes(schema.name, "password")]]'
-            restamp=""
-          >
-            <paper-input
-              label="[[computeLabel(schema)]]"
-              value="{{data}}"
-              required="[[schema.required]]"
-              auto-validate="[[schema.required]]"
-              error-message="Required"
-            ></paper-input>
-          </template>
-        </template>
-
-        <template
-          is="dom-if"
-          if='[[_equals(schema.type, "integer")]]'
-          restamp=""
-        >
-          <template is="dom-if" if="[[_isRange(schema)]]" restamp="">
-            <div>
-              [[computeLabel(schema)]]
-              <ha-paper-slider
-                pin=""
-                value="{{data}}"
-                min="[[schema.valueMin]]"
-                max="[[schema.valueMax]]"
-              ></ha-paper-slider>
-            </div>
-          </template>
-          <template is="dom-if" if="[[!_isRange(schema)]]" restamp="">
-            <paper-input
-              label="[[computeLabel(schema)]]"
-              value="{{data}}"
-              type="number"
-              required="[[schema.required]]"
-              auto-validate="[[schema.required]]"
-              error-message="Required"
-            ></paper-input>
-          </template>
-        </template>
-
-        <template is="dom-if" if='[[_equals(schema.type, "float")]]' restamp="">
-          <!-- TODO -->
-          <paper-input
-            label="[[computeLabel(schema)]]"
-            value="{{data}}"
-            required="[[schema.required]]"
-            auto-validate="[[schema.required]]"
-            error-message="Required"
-          >
-            <span suffix="" slot="suffix">[[computeSuffix(schema)]]</span>
-          </paper-input>
-        </template>
-
-        <template
-          is="dom-if"
-          if='[[_equals(schema.type, "boolean")]]'
-          restamp=""
-        >
-          <div>
-            <paper-checkbox checked="{{data}}"
-              >[[computeLabel(schema)]]</paper-checkbox
-            >
-          </div>
-        </template>
-
-        <template
-          is="dom-if"
-          if='[[_equals(schema.type, "select")]]'
-          restamp=""
-        >
-          <paper-dropdown-menu label="[[computeLabel(schema)]]">
-            <paper-listbox
-              slot="dropdown-content"
-              attr-for-selected="item-name"
-              selected="{{data}}"
-            >
-              <template is="dom-repeat" items="[[schema.options]]">
-                <paper-item item-name$="[[_optionValue(item)]]"
-                  >[[_optionLabel(item)]]</paper-item
-                >
-              </template>
-            </paper-listbox>
-          </paper-dropdown-menu>
-        </template>
-      </template>
-    `;
-  }
-
-  static get properties() {
-    return {
-      data: {
-        type: Object,
-        notify: true,
-      },
-      schema: Object,
-      error: Object,
-
-      // A function that computes the label to be displayed for a given
-      // schema object.
-      computeLabel: {
-        type: Function,
-        value: () => (schema) => schema && schema.name,
-      },
-
-      // A function that computes the suffix to be displayed for a given
-      // schema object.
-      computeSuffix: {
-        type: Function,
-        value: () => (schema) =>
-          schema &&
-          schema.description &&
-          schema.description.unit_of_measurement,
-      },
-
-      // A function that computes an error message to be displayed for a
-      // given error ID, and relevant schema object
-      computeError: {
-        type: Function,
-        value: () => (error, schema) => error, // eslint-disable-line no-unused-vars
-      },
-    };
-  }
-
-  focus() {
-    const input = this.shadowRoot.querySelector(
-      "ha-form, paper-input, ha-paper-slider, paper-checkbox, paper-dropdown-menu"
-    );
-
-    if (!input) {
-      return;
-    }
-
-    input.focus();
-  }
-
-  _isArray(val) {
-    return Array.isArray(val);
-  }
-
-  _isRange(schema) {
-    return "valueMin" in schema && "valueMax" in schema;
-  }
-
-  _equals(a, b) {
-    return a === b;
-  }
-
-  _includes(a, b) {
-    return a.indexOf(b) >= 0;
-  }
-
-  _getValue(obj, item) {
-    if (obj) {
-      return obj[item.name];
-    }
-    return null;
-  }
-
-  _valueChanged(ev) {
-    let value = ev.detail.value;
-    if (ev.model.item.type === "integer") {
-      value = Number(ev.detail.value);
-    }
-    this.set(["data", ev.model.item.name], value);
-  }
-
-  _passwordFieldType(unmaskedPassword) {
-    return unmaskedPassword ? "text" : "password";
-  }
-
-  _passwordFieldIcon(unmaskedPassword) {
-    return unmaskedPassword ? "hass:eye-off" : "hass:eye";
-  }
-
-  _optionValue(item) {
-    return Array.isArray(item) ? item[0] : item;
-  }
-
-  _optionLabel(item) {
-    return Array.isArray(item) ? item[1] : item;
-  }
-}
-
-customElements.define("ha-form", HaForm);

src/components/ha-form/ha-form-boolean.ts

@@ -0,0 +1,70 @@
+import {
+  customElement,
+  LitElement,
+  html,
+  property,
+  TemplateResult,
+  CSSResult,
+  css,
+  query,
+} from "lit-element";
+import {
+  HaFormElement,
+  HaFormBooleanData,
+  HaFormBooleanSchema,
+} from "./ha-form";
+import { fireEvent } from "../../common/dom/fire_event";
+
+import "@polymer/paper-checkbox/paper-checkbox";
+// Not duplicate, is for typing
+// tslint:disable-next-line
+import { PaperCheckboxElement } from "@polymer/paper-checkbox/paper-checkbox";
+
+@customElement("ha-form-boolean")
+export class HaFormBoolean extends LitElement implements HaFormElement {
+  @property() public schema!: HaFormBooleanSchema;
+  @property() public data!: HaFormBooleanData;
+  @property() public label!: string;
+  @property() public suffix!: string;
+  @query("paper-checkbox") private _input?: HTMLElement;
+
+  public focus() {
+    if (this._input) {
+      this._input.focus();
+    }
+  }
+
+  protected render(): TemplateResult {
+    return html`
+      <paper-checkbox .checked=${this.data} @change=${this._valueChanged}>
+        ${this.label}
+      </paper-checkbox>
+    `;
+  }
+
+  private _valueChanged(ev: Event) {
+    fireEvent(
+      this,
+      "value-changed",
+      {
+        value: (ev.target as PaperCheckboxElement).checked,
+      },
+      { bubbles: false }
+    );
+  }
+
+  static get styles(): CSSResult {
+    return css`
+      paper-checkbox {
+        display: inline-block;
+        padding: 22px 0;
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-form-boolean": HaFormBoolean;
+  }
+}

src/components/ha-form/ha-form-float.ts

@@ -0,0 +1,65 @@
+import {
+  customElement,
+  LitElement,
+  html,
+  property,
+  TemplateResult,
+  query,
+} from "lit-element";
+import { HaFormElement, HaFormFloatData, HaFormFloatSchema } from "./ha-form";
+import { fireEvent } from "../../common/dom/fire_event";
+
+import "@polymer/paper-input/paper-input";
+// Not duplicate, is for typing
+// tslint:disable-next-line
+import { PaperInputElement } from "@polymer/paper-input/paper-input";
+
+@customElement("ha-form-float")
+export class HaFormFloat extends LitElement implements HaFormElement {
+  @property() public schema!: HaFormFloatSchema;
+  @property() public data!: HaFormFloatData;
+  @property() public label!: string;
+  @property() public suffix!: string;
+  @query("paper-input") private _input?: HTMLElement;
+
+  public focus() {
+    if (this._input) {
+      this._input.focus();
+    }
+  }
+
+  protected render(): TemplateResult {
+    return html`
+      <paper-input
+        .label=${this.label}
+        .value=${this.data}
+        .required=${this.schema.required}
+        .autoValidate=${this.schema.required}
+        @value-changed=${this._valueChanged}
+      >
+        <span suffix="" slot="suffix">${this.suffix}</span>
+      </paper-input>
+    `;
+  }
+
+  private _valueChanged(ev: Event) {
+    const value = Number((ev.target as PaperInputElement).value);
+    if (this.data === value) {
+      return;
+    }
+    fireEvent(
+      this,
+      "value-changed",
+      {
+        value,
+      },
+      { bubbles: false }
+    );
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-form-float": HaFormFloat;
+  }
+}

src/components/ha-form/ha-form-integer.ts

@@ -0,0 +1,85 @@
+import {
+  customElement,
+  LitElement,
+  html,
+  property,
+  TemplateResult,
+  query,
+} from "lit-element";
+import {
+  HaFormElement,
+  HaFormIntegerData,
+  HaFormIntegerSchema,
+} from "./ha-form";
+import { fireEvent } from "../../common/dom/fire_event";
+
+import "../ha-paper-slider";
+import "@polymer/paper-input/paper-input";
+// Not duplicate, is for typing
+// tslint:disable-next-line
+import { PaperInputElement } from "@polymer/paper-input/paper-input";
+import { PaperSliderElement } from "@polymer/paper-slider/paper-slider";
+
+@customElement("ha-form-integer")
+export class HaFormInteger extends LitElement implements HaFormElement {
+  @property() public schema!: HaFormIntegerSchema;
+  @property() public data!: HaFormIntegerData;
+  @property() public label!: string;
+  @property() public suffix!: string;
+  @query("paper-input ha-paper-slider") private _input?: HTMLElement;
+
+  public focus() {
+    if (this._input) {
+      this._input.focus();
+    }
+  }
+
+  protected render(): TemplateResult {
+    return "valueMin" in this.schema && "valueMax" in this.schema
+      ? html`
+          <div>
+            ${this.label}
+            <ha-paper-slider
+              pin=""
+              .value=${this.data}
+              .min=${this.schema.valueMin}
+              .max=${this.schema.valueMax}
+              @value-changed=${this._valueChanged}
+            ></ha-paper-slider>
+          </div>
+        `
+      : html`
+          <paper-input
+            type="number"
+            .label=${this.label}
+            .value=${this.data}
+            .required=${this.schema.required}
+            .autoValidate=${this.schema.required}
+            @value-changed=${this._valueChanged}
+          ></paper-input>
+        `;
+  }
+
+  private _valueChanged(ev: Event) {
+    const value = Number(
+      (ev.target as PaperInputElement | PaperSliderElement).value
+    );
+    if (this.data === value) {
+      return;
+    }
+    fireEvent(
+      this,
+      "value-changed",
+      {
+        value,
+      },
+      { bubbles: false }
+    );
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-form-integer": HaFormInteger;
+  }
+}

src/components/ha-form/ha-form-select.ts

@@ -0,0 +1,78 @@
+import {
+  customElement,
+  LitElement,
+  html,
+  property,
+  TemplateResult,
+  query,
+} from "lit-element";
+import { HaFormElement, HaFormSelectData, HaFormSelectSchema } from "./ha-form";
+import { fireEvent } from "../../common/dom/fire_event";
+
+import "@polymer/paper-dropdown-menu/paper-dropdown-menu";
+import "@polymer/paper-listbox/paper-listbox";
+import "@polymer/paper-item/paper-item";
+
+@customElement("ha-form-select")
+export class HaFormSelect extends LitElement implements HaFormElement {
+  @property() public schema!: HaFormSelectSchema;
+  @property() public data!: HaFormSelectData;
+  @property() public label!: string;
+  @property() public suffix!: string;
+  @query("paper-dropdown-menu") private _input?: HTMLElement;
+
+  public focus() {
+    if (this._input) {
+      this._input.focus();
+    }
+  }
+
+  protected render(): TemplateResult {
+    return html`
+      <paper-dropdown-menu .label=${this.label}>
+        <paper-listbox
+          slot="dropdown-content"
+          attr-for-selected="item-value"
+          .selected=${this.data}
+          @selected-item-changed=${this._valueChanged}
+        >
+          ${this.schema.options!.map(
+            (item) => html`
+              <paper-item .itemValue=${this._optionValue(item)}>
+                ${this._optionLabel(item)}
+              </paper-item>
+            `
+          )}
+        </paper-listbox>
+      </paper-dropdown-menu>
+    `;
+  }
+
+  private _optionValue(item) {
+    return Array.isArray(item) ? item[0] : item;
+  }
+
+  private _optionLabel(item) {
+    return Array.isArray(item) ? item[1] : item;
+  }
+
+  private _valueChanged(ev: CustomEvent) {
+    if (!ev.detail.value) {
+      return;
+    }
+    fireEvent(
+      this,
+      "value-changed",
+      {
+        value: ev.detail.value.itemValue,
+      },
+      { bubbles: false }
+    );
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-form-select": HaFormSelect;
+  }
+}

src/components/ha-form/ha-form-string.ts

@@ -0,0 +1,93 @@
+import {
+  customElement,
+  LitElement,
+  html,
+  property,
+  TemplateResult,
+  query,
+} from "lit-element";
+
+import { HaFormElement, HaFormStringData, HaFormStringSchema } from "./ha-form";
+import { fireEvent } from "../../common/dom/fire_event";
+
+import "@polymer/paper-input/paper-input";
+import "@polymer/paper-icon-button/paper-icon-button";
+// Not duplicate, is for typing
+// tslint:disable-next-line
+import { PaperInputElement } from "@polymer/paper-input/paper-input";
+
+@customElement("ha-form-string")
+export class HaFormString extends LitElement implements HaFormElement {
+  @property() public schema!: HaFormStringSchema;
+  @property() public data!: HaFormStringData;
+  @property() public label!: string;
+  @property() public suffix!: string;
+  @property() private _unmaskedPassword = false;
+  @query("paper-input") private _input?: HTMLElement;
+
+  public focus() {
+    if (this._input) {
+      this._input.focus();
+    }
+  }
+
+  protected render(): TemplateResult {
+    return this.schema.name.includes("password")
+      ? html`
+          <paper-input
+            .type=${this._unmaskedPassword ? "text" : "password"}
+            .label=${this.label}
+            .value=${this.data}
+            .required=${this.schema.required}
+            .autoValidate=${this.schema.required}
+            @value-changed=${this._valueChanged}
+          >
+            <paper-icon-button
+              toggles
+              .active=${this._unmaskedPassword}
+              slot="suffix"
+              .icon=${this._unmaskedPassword ? "hass:eye-off" : "hass:eye"}
+              id="iconButton"
+              title="Click to toggle between masked and clear password"
+              @click=${this._toggleUnmaskedPassword}
+            >
+            </paper-icon-button>
+          </paper-input>
+        `
+      : html`
+          <paper-input
+            .label=${this.label}
+            .value=${this.data}
+            .required=${this.schema.required}
+            .autoValidate=${this.schema.required}
+            error-message="Required"
+            @value-changed=${this._valueChanged}
+          ></paper-input>
+        `;
+  }
+
+  private _toggleUnmaskedPassword(ev: Event) {
+    this._unmaskedPassword = (ev.target as any).active;
+  }
+
+  private _valueChanged(ev: Event) {
+    const value = (ev.target as PaperInputElement).value;
+    if (this.data === value) {
+      return;
+    }
+    fireEvent(
+      this,
+      "value-changed",
+      {
+        value,
+      },
+      { bubbles: false }
+    );
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-form-string": HaFormString;
+  }
+}

src/components/ha-form/ha-form.ts

@@ -0,0 +1,225 @@
+import {
+  customElement,
+  LitElement,
+  html,
+  property,
+  query,
+  CSSResult,
+  css,
+  PropertyValues,
+} from "lit-element";
+
+import "./ha-form-string";
+import "./ha-form-integer";
+import "./ha-form-float";
+import "./ha-form-boolean";
+import "./ha-form-select";
+import { fireEvent } from "../../common/dom/fire_event";
+
+export type HaFormSchema =
+  | HaFormStringSchema
+  | HaFormIntegerSchema
+  | HaFormFloatSchema
+  | HaFormBooleanSchema
+  | HaFormSelectSchema;
+
+export interface HaFormBaseSchema {
+  name: string;
+  default?: HaFormData;
+  required?: boolean;
+  optional?: boolean;
+  description?: { suffix?: string };
+}
+
+export interface HaFormIntegerSchema extends HaFormBaseSchema {
+  type: "integer";
+  default?: HaFormIntegerData;
+  valueMin?: number;
+  valueMax?: number;
+}
+
+export interface HaFormSelectSchema extends HaFormBaseSchema {
+  type: "select";
+  options?: string[];
+}
+
+export interface HaFormFloatSchema extends HaFormBaseSchema {
+  type: "float";
+}
+
+export interface HaFormStringSchema extends HaFormBaseSchema {
+  type: "string";
+}
+
+export interface HaFormBooleanSchema extends HaFormBaseSchema {
+  type: "boolean";
+}
+
+export interface HaFormDataContainer {
+  [key: string]: HaFormData;
+}
+
+export type HaFormData =
+  | HaFormStringData
+  | HaFormIntegerData
+  | HaFormFloatData
+  | HaFormBooleanData
+  | HaFormSelectData;
+
+export type HaFormStringData = string;
+export type HaFormIntegerData = number;
+export type HaFormFloatData = number;
+export type HaFormBooleanData = boolean;
+export type HaFormSelectData = string;
+
+export interface HaFormElement extends LitElement {
+  schema: HaFormSchema;
+  data: HaFormDataContainer | HaFormData;
+  label?: string;
+  suffix?: string;
+}
+
+@customElement("ha-form")
+export class HaForm extends LitElement implements HaFormElement {
+  @property() public data!: HaFormDataContainer | HaFormData;
+  @property() public schema!: HaFormSchema;
+  @property() public error;
+  @property() public computeError?: (schema: HaFormSchema, error) => string;
+  @property() public computeLabel?: (schema: HaFormSchema) => string;
+  @property() public computeSuffix?: (schema: HaFormSchema) => string;
+  @query("ha-form") private _childForm?: HaForm;
+  @query("#element") private _elementContainer?: HTMLDivElement;
+
+  public focus() {
+    const input = this._childForm
+      ? this._childForm
+      : this._elementContainer
+      ? this._elementContainer.lastChild
+      : undefined;
+
+    if (!input) {
+      return;
+    }
+
+    (input as HTMLElement).focus();
+  }
+
+  protected render() {
+    if (Array.isArray(this.schema)) {
+      return html`
+        ${this.error && this.error.base
+          ? html`
+              <div class="error">
+                ${this._computeError(this.error.base, this.schema)}
+              </div>
+            `
+          : ""}
+        ${this.schema.map(
+          (item) => html`
+            <ha-form
+              .data=${this._getValue(this.data, item)}
+              .schema=${item}
+              .error=${this._getValue(this.error, item)}
+              @value-changed=${this._valueChanged}
+              .computeError=${this.computeError}
+              .computeLabel=${this.computeLabel}
+              .computeSuffix=${this.computeSuffix}
+            ></ha-form>
+          `
+        )}
+      `;
+    }
+
+    return html`
+      ${this.error
+        ? html`
+            <div class="error">
+              ${this._computeError(this.error, this.schema)}
+            </div>
+          `
+        : ""}
+      <div id="element" @value-changed=${this._valueChanged}></div>
+    `;
+  }
+
+  protected updated(changedProperties: PropertyValues) {
+    const schemaChanged = changedProperties.has("schema");
+    const oldSchema = schemaChanged
+      ? changedProperties.get("schema")
+      : undefined;
+    if (
+      !Array.isArray(this.schema) &&
+      schemaChanged &&
+      (!oldSchema || (oldSchema as HaFormSchema).type !== this.schema.type)
+    ) {
+      const element = document.createElement(
+        `ha-form-${this.schema.type}`
+      ) as HaFormElement;
+      element.schema = this.schema;
+      element.data = this.data;
+      element.label = this._computeLabel(this.schema);
+      element.suffix = this._computeSuffix(this.schema);
+      if (this._elementContainer!.lastChild) {
+        this._elementContainer!.removeChild(this._elementContainer!.lastChild);
+      }
+      this._elementContainer!.append(element);
+    } else if (this._elementContainer && this._elementContainer.lastChild) {
+      const element = this._elementContainer!.lastChild as HaFormElement;
+      element.schema = this.schema;
+      element.data = this.data;
+      element.label = this._computeLabel(this.schema);
+      element.suffix = this._computeSuffix(this.schema);
+    }
+  }
+
+  private _computeLabel(schema: HaFormSchema) {
+    return this.computeLabel
+      ? this.computeLabel(schema)
+      : schema
+      ? schema.name
+      : "";
+  }
+
+  private _computeSuffix(schema: HaFormSchema) {
+    return this.computeSuffix
+      ? this.computeSuffix(schema)
+      : schema && schema.description
+      ? schema.description.suffix
+      : "";
+  }
+
+  private _computeError(error, schema: HaFormSchema) {
+    return this.computeError ? this.computeError(error, schema) : error;
+  }
+
+  private _getValue(obj, item) {
+    if (obj) {
+      return obj[item.name];
+    }
+    return null;
+  }
+
+  private _valueChanged(ev: CustomEvent) {
+    ev.stopPropagation();
+    const schema = (ev.target as HaFormElement).schema;
+    const data = this.data as HaFormDataContainer;
+    data[schema.name] = ev.detail.value;
+    fireEvent(this, "value-changed", {
+      value: { ...data },
+    });
+  }
+
+  static get styles(): CSSResult {
+    return css`
+      .error {
+        color: var(--error-color);
+      }
+    `;
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "ha-form": HaForm;
+  }
+}

src/dialogs/config-flow/dialog-data-entry-flow.ts

@@ -14,7 +14,7 @@ import "@polymer/paper-tooltip/paper-tooltip";
 import "@polymer/paper-spinner/paper-spinner";
 import { UnsubscribeFunc } from "home-assistant-js-websocket";
 
-import "../../components/ha-form";
+import "../../components/ha-form/ha-form";
 import "../../components/ha-markdown";
 import "../../resources/ha-style";
 import "../../components/dialog/ha-paper-dialog";

src/dialogs/config-flow/step-flow-form.ts

@@ -12,10 +12,9 @@ import "@material/mwc-button";
 import "@polymer/paper-tooltip/paper-tooltip";
 import "@polymer/paper-spinner/paper-spinner";
 
-import "../../components/ha-form";
+import "../../components/ha-form/ha-form";
 import "../../components/ha-markdown";
 import "../../resources/ha-style";
-import { PolymerChangedEvent, applyPolymerEvent } from "../../polymer-types";
 import { HomeAssistant } from "../../types";
 import { fireEvent } from "../../common/dom/fire_event";
 import { configFlowContentStyles } from "./styles";
@@ -69,7 +68,7 @@ class StepFlowForm extends LitElement {
         ${this.flowConfig.renderShowFormStepDescription(this.hass, this.step)}
         <ha-form
           .data=${stepData}
-          @data-changed=${this._stepDataChanged}
+          @value-changed=${this._stepDataChanged}
           .schema=${step.data_schema}
           .error=${step.errors}
           .computeLabel=${this._labelCallback}
@@ -169,8 +168,8 @@ class StepFlowForm extends LitElement {
     }
   }
 
-  private _stepDataChanged(ev: PolymerChangedEvent<any>): void {
+  private _stepDataChanged(ev: CustomEvent): void {
-    this._stepData = applyPolymerEvent(ev, this._stepData);
+    this._stepData = ev.detail.value;
   }
 
   private _labelCallback = (field: FieldSchema): string =>

src/panels/config/js/condition/device.tsx

@@ -2,7 +2,7 @@ import { h, Component } from "preact";
 
 import "../../../../components/device/ha-device-picker";
 import "../../../../components/device/ha-device-condition-picker";
-import "../../../../components/ha-form";
+import "../../../../components/ha-form/ha-form";
 
 import {
   fetchDeviceConditionCapabilities,
@@ -64,9 +64,9 @@ export default class DeviceCondition extends Component<any, any> {
         {extraFieldsData && (
           <ha-form
             data={Object.assign({}, ...extraFieldsData)}
-            onData-changed={this._extraFieldsChanged}
             schema={this.state.capabilities.extra_fields}
             computeLabel={this._extraFieldsComputeLabelCallback(hass.localize)}
+            onvalue-changed={this._extraFieldsChanged}
           />
         )}
       </div>
@@ -98,15 +98,9 @@ export default class DeviceCondition extends Component<any, any> {
   }
 
   private _extraFieldsChanged(ev) {
-    if (!ev.detail.path) {
-      return;
-    }
-    const item = ev.detail.path.replace("data.", "");
-    const value = ev.detail.value || undefined;
-
     this.props.onChange(this.props.index, {
       ...this.props.condition,
-      [item]: value,
+      ...ev.detail.value,
     });
   }
 

src/panels/config/js/script/device.tsx

@@ -2,7 +2,7 @@ import { h, Component } from "preact";
 
 import "../../../../components/device/ha-device-picker";
 import "../../../../components/device/ha-device-action-picker";
-import "../../../../components/ha-form";
+import "../../../../components/ha-form/ha-form";
 
 import {
   fetchDeviceActionCapabilities,
@@ -117,15 +117,9 @@ export default class DeviceActionEditor extends Component<
   }
 
   private _extraFieldsChanged(ev) {
-    if (!ev.detail.path) {
-      return;
-    }
-    const item = ev.detail.path.replace("data.", "");
-    const value = ev.detail.value || undefined;
-
     this.props.onChange(this.props.index, {
       ...this.props.action,
-      [item]: value,
+      ...ev.detail.value,
     });
   }
 

src/panels/config/js/trigger/device.tsx

@@ -2,7 +2,7 @@ import { h, Component } from "preact";
 
 import "../../../../components/device/ha-device-picker";
 import "../../../../components/device/ha-device-trigger-picker";
-import "../../../../components/ha-form";
+import "../../../../components/ha-form/ha-form";
 
 import {
   fetchDeviceTriggerCapabilities,
@@ -65,9 +65,9 @@ export default class DeviceTrigger extends Component<any, any> {
         {extraFieldsData && (
           <ha-form
             data={Object.assign({}, ...extraFieldsData)}
-            onData-changed={this._extraFieldsChanged}
             schema={this.state.capabilities.extra_fields}
             computeLabel={this._extraFieldsComputeLabelCallback(hass.localize)}
+            onvalue-changed={this._extraFieldsChanged}
           />
         )}
       </div>
@@ -99,15 +99,9 @@ export default class DeviceTrigger extends Component<any, any> {
   }
 
   private _extraFieldsChanged(ev) {
-    if (!ev.detail.path) {
-      return;
-    }
-    const item = ev.detail.path.replace("data.", "");
-    const value = ev.detail.value || undefined;
-
     this.props.onChange(this.props.index, {
       ...this.props.trigger,
-      [item]: value,
+      ...ev.detail.value,
     });
   }
 

src/panels/profile/ha-mfa-module-setup-flow.js

@@ -5,7 +5,7 @@ import { html } from "@polymer/polymer/lib/utils/html-tag";
 import { PolymerElement } from "@polymer/polymer/polymer-element";
 
 import "../../components/dialog/ha-paper-dialog";
-import "../../components/ha-form";
+import "../../components/ha-form/ha-form";
 import "../../components/ha-markdown";
 import "../../resources/ha-style";
 

src/resources/ha-style.ts

@@ -33,7 +33,9 @@ documentContainer.innerHTML = `<custom-style>
 
       --scrollbar-thumb-color: rgb(194, 194, 194);
 
-      --error-state-color: #db4437;
+
+      --error-color: #db4437;
+      --error-state-color: var(--error-color);
 
       /* states and badges */
       --state-icon-color: #44739e;