chore: Enable noImplicitAny across the codebase (#2667)

src/action-handler-directive.ts

@@ -15,13 +15,13 @@ import { Timer } from './utils/timer.js';
 export interface ActionHandlerInterface extends HTMLElement {
   holdTime: number;
   connectedCallback(): void;
-  bind(element: Element, options): void;
+  bind(element: Element, options?: AdvancedCameraCardActionHandlerOptions): void;
 }
 interface ActionHandlerElement extends HTMLElement {
   actionHandlerOptions?: AdvancedCameraCardActionHandlerOptions;
 }
 
-interface AdvancedCameraCardActionHandlerOptions extends ActionHandlerOptions {
+export interface AdvancedCameraCardActionHandlerOptions extends ActionHandlerOptions {
   allowPropagation?: boolean;
 }
 

src/camera-manager/frigate/camera.ts

@@ -5,7 +5,6 @@ import type { PTZAction, PTZActionPhase } from '../../config/schema/actions/cust
 import type { CameraConfig } from '../../config/schema/cameras';
 import type { Entity, EntityRegistryManager } from '../../ha/registry/entity/types';
 import type { HomeAssistant } from '../../ha/types';
-import { SEVERITIES } from '../../severity';
 import {
   PTZMovementType,
   type CapabilitiesRaw,
@@ -24,7 +23,7 @@ import {
 import { getPTZCapabilitiesFromCameraConfig, mergePTZCapabilities } from '../utils/ptz';
 import { getPTZInfo } from './requests';
 import {
-  FRIGATE_SEVERITY_MAP,
+  CARD_SEVERITY_MAP,
   type FrigateEventChange,
   type FrigateReviewChange,
   type PTZInfo,
@@ -610,10 +609,7 @@ export class FrigateCamera extends Camera<FrigateCameraInitializationOptions> {
 
     const reviewConfig = config.triggers.reviews;
 
-    // Map Frigate severity to card severity.
-    const cardSeverity = SEVERITIES.find(
-      (key) => FRIGATE_SEVERITY_MAP[key] === review.after.severity,
-    );
+    const cardSeverity = CARD_SEVERITY_MAP[review.after.severity];
 
     // Check if this is a description update (GenAI added/changed title or scene)
     const isDescriptionUpdate =

src/camera-manager/frigate/types.ts

@@ -1,5 +1,6 @@
 import { z } from 'zod';
 
+import type { Severity } from '../../severity';
 import { dayToDate } from '../../utils/basic';
 import type {
   Engine,
@@ -153,6 +154,13 @@ export const FRIGATE_SEVERITY_MAP = {
 export type FrigateReviewSeverity =
   (typeof FRIGATE_SEVERITY_MAP)[keyof typeof FRIGATE_SEVERITY_MAP];
 
+// Maps Frigate severity to card severity. Frigate has no equivalent of the
+// card's `low` severity.
+export const CARD_SEVERITY_MAP = {
+  alert: 'high',
+  detection: 'medium',
+} as const satisfies Record<FrigateReviewSeverity, Severity>;
+
 // Review data schema (only fields we need for display)
 const frigateReviewDataSchema = z.object({
   objects: z.string().array().optional(),

src/camera-manager/utils/ptz.ts

@@ -7,6 +7,25 @@ import type { ActionConfig } from '../../config/schema/actions/types';
 import type { CameraConfig } from '../../config/schema/cameras';
 import { PTZMovementType, type PTZCapabilities } from '../../types';
 
+/**
+ * Get the action configured for a named PTZ preset.
+ * @param ptzConfig The camera's PTZ config.
+ * @param preset The preset name.
+ * @returns The configured action, or `null` if the preset is not configured.
+ */
+export const getConfiguredPTZPresetAction = (
+  ptzConfig: CameraConfig['ptz'],
+  preset: string,
+): ActionConfig | null => {
+  const presets = ptzConfig.presets;
+  if (!presets) {
+    return null;
+  }
+
+  const action = Object.entries(presets).find(([name]) => name === preset)?.[1];
+  return typeof action === 'object' ? action : null;
+};
+
 export const getConfiguredPTZAction = (
   cameraConfig: CameraConfig,
   action: PTZAction,
@@ -16,7 +35,9 @@ export const getConfiguredPTZAction = (
   },
 ): ActionConfig | ActionConfig[] | null => {
   if (action === 'preset') {
-    return (options?.preset ? cameraConfig.ptz.presets?.[options.preset] : null) ?? null;
+    return options?.preset
+      ? getConfiguredPTZPresetAction(cameraConfig.ptz, options.preset)
+      : null;
   }
 
   if (options?.phase) {

src/card-controller/actions/actions/ptz.ts

@@ -1,3 +1,4 @@
+import { getConfiguredPTZPresetAction } from '../../../camera-manager/utils/ptz';
 import type { PTZActionConfig } from '../../../config/schema/actions/custom/ptz';
 import { PTZMovementType } from '../../../types';
 import { getPTZTarget, ptzActionToCapabilityKey } from '../../../utils/ptz';
@@ -62,7 +63,7 @@ export class PTZAction extends AdvancedCameraCardAction<PTZActionConfig> {
       // and the home button always targets `presets[0]`, ignoring the
       // configured action. See:
       // https://github.com/dermotduffy/advanced-camera-card/issues/2525
-      if (ptzConfiguration.presets?.['home']) {
+      if (getConfiguredPTZPresetAction(ptzConfiguration, 'home')) {
         await api.getCameraManager().executePTZAction(ptzCameraID, 'preset', {
           phase: action.ptz_phase,
           preset: 'home',

src/card-controller/style-manager.ts

@@ -97,29 +97,25 @@ export class StyleManager {
   }
 
   private _setPerformance(): void {
-    const STYLE_DISABLE_MAP = {
-      box_shadow: {
-        cssKey: '--advanced-camera-card-box-shadow-override',
-        value: 'none',
-      },
-      border_radius: {
-        cssKey: '--advanced-camera-card-border-radius-override',
-        value: '0px',
-      },
-    };
-    const element = this._api.getCardElementManager().getElement();
-    const performance = this._api.getConfigManager().getCardWideConfig()?.performance;
-
-    const styles = performance?.style ?? {};
-    for (const configKey of Object.keys(styles)) {
-      const mapping = STYLE_DISABLE_MAP[configKey];
-      setOrRemoveStyleProperty(
-        element,
-        !styles[configKey],
-        mapping.cssKey,
-        mapping.value,
-      );
+    const styles = this._api.getConfigManager().getCardWideConfig()?.performance?.style;
+    if (!styles) {
+      return;
     }
+
+    const element = this._api.getCardElementManager().getElement();
+
+    setOrRemoveStyleProperty(
+      element,
+      !styles.box_shadow,
+      '--advanced-camera-card-box-shadow-override',
+      'none',
+    );
+    setOrRemoveStyleProperty(
+      element,
+      !styles.border_radius,
+      '--advanced-camera-card-border-radius-override',
+      '0px',
+    );
   }
 
   private _isAspectRatioEnforced(

src/card-controller/templates/index.ts

@@ -153,7 +153,7 @@ export class TemplateManager implements TemplateRenderer {
         this._renderTemplateRecursively(hass, item, templateContext),
       );
     } else if (isRecord(data)) {
-      const result = {};
+      const result: Record<string, unknown> = {};
       for (const key in data) {
         result[key] = this._renderTemplateRecursively(hass, data[key], templateContext);
       }

src/card-controller/view/modifiers/remove-context-property.ts

@@ -3,11 +3,13 @@ import type { ViewContext } from 'view';
 import type { View } from '../../../view/view';
 import type { ViewModifier } from '../types';
 
-export class RemoveContextPropertyViewModifier implements ViewModifier {
-  private _key: keyof ViewContext;
-  private _property: PropertyKey;
+export class RemoveContextPropertyViewModifier<T extends keyof ViewContext>
+  implements ViewModifier
+{
+  private _key: T;
+  private _property: keyof NonNullable<ViewContext[T]>;
 
-  constructor(key: keyof ViewContext, property: PropertyKey) {
+  constructor(key: T, property: keyof NonNullable<ViewContext[T]>) {
     this._key = key;
     this._property = property;
   }

src/components-lib/live/providers/jsmpeg/jsmpeg-player.d.ts

@@ -0,0 +1,61 @@
+// The package ships no types of its own, and no DefinitelyTyped package exists.
+declare module '@cycjimmy/jsmpeg-player' {
+  namespace JSMpeg {
+    // Options forwarded to the underlying JSMpeg player.
+    // See: https://github.com/phoboslab/jsmpeg#usage
+    interface PlayerOptions {
+      audio?: boolean;
+      audioBufferSize?: number;
+      autoplay?: boolean;
+      chunkSize?: number;
+      disableGl?: boolean;
+      disableWebAssembly?: boolean;
+      maxAudioLag?: number;
+      pauseWhenHidden?: boolean;
+      preserveDrawingBuffer?: boolean;
+      progressive?: boolean;
+      protocols?: string[];
+      reconnectInterval?: number;
+      throttled?: boolean;
+      video?: boolean;
+      videoBufferSize?: number;
+      onPause?: (player: Player) => void;
+      onPlay?: (player: Player) => void;
+      onVideoDecode?: (decoder: unknown, elapsedTime: number) => void;
+    }
+
+    // Options for the wrapper element that hosts the canvas and play button.
+    interface VideoElementOptions {
+      autoplay?: boolean;
+      canvas?: HTMLCanvasElement;
+      poster?: string;
+    }
+
+    class Player {
+      paused: boolean;
+      volume: number;
+
+      play(): void;
+      pause(): void;
+      stop(): void;
+      destroy(): void;
+    }
+
+    class VideoElement {
+      constructor(
+        wrapper: HTMLElement | string,
+        videoUrl: string,
+        videoOptions?: VideoElementOptions,
+        playerOptions?: PlayerOptions,
+      );
+
+      player: Player | null;
+
+      play(): void;
+      pause(): void;
+      stop(): void;
+      destroy(): void;
+    }
+  }
+  export default JSMpeg;
+}

src/components/live/carousel.ts

@@ -396,7 +396,7 @@ export class AdvancedCameraCardLiveCarousel extends LitElement {
       .autoHideState=${resolveAutoHideState(!!this.call)}
       ?disabled=${!neighbor}
       ?locked=${!!this.locked}
-      @click=${(ev) => {
+      @click=${(ev: Event) => {
         this._setViewCameraID(neighbor?.id);
         stopEventFromActivatingCardWideActions(ev);
       }}

src/components/live/providers/jsmpeg.ts

@@ -90,7 +90,7 @@ export class AdvancedCameraCardLiveJSMPEG extends LitElement implements MediaPla
     }
   }
 
-  private async _createJSMPEGPlayer(url: string): Promise<JSMpeg.VideoElement> {
+  private async _createJSMPEGPlayer(url: string): Promise<void> {
     this._jsmpegVideoPlayer = await new Promise<JSMpeg.VideoElement>((resolve) => {
       let videoDecoded = false;
       const player = new JSMpeg.VideoElement(

src/components/menu.ts

@@ -18,8 +18,10 @@ import { getEntityTitle } from '../ha/get-entity-title.js';
 import type { EntityRegistryManager } from '../ha/registry/entity/types.js';
 import type { HomeAssistant } from '../ha/types.js';
 import menuStyle from '../scss/menu.scss?inline';
+import type { Interaction } from '../types.js';
 import { hasAction } from '../utils/action.js';
 import { contentsChanged } from '../utils/basic.js';
+import type { SubmenuInteraction } from './submenu/types.js';
 
 import './icon.js';
 import './submenu/select-button.js';
@@ -76,7 +78,8 @@ export class AdvancedCameraCardMenu extends LitElement {
         .hass=${this.hass}
         .submenu=${button}
         .lockManagerEpoch=${this.lockManagerEpoch}
-        @action=${(ev) => this._controller.handleAction(ev, button)}
+        @action=${(ev: CustomEvent<SubmenuInteraction>) =>
+          this._controller.handleAction(ev, button)}
       >
       </advanced-camera-card-submenu-button>`;
     } else if (button.type === 'custom:advanced-camera-card-menu-submenu-select') {
@@ -85,7 +88,8 @@ export class AdvancedCameraCardMenu extends LitElement {
         .submenuSelect=${button}
         .entityRegistryManager=${this.entityRegistryManager}
         .lockManagerEpoch=${this.lockManagerEpoch}
-        @action=${(ev) => this._controller.handleAction(ev, button)}
+        @action=${(ev: CustomEvent<SubmenuInteraction>) =>
+          this._controller.handleAction(ev, button)}
       >
       </advanced-camera-card-submenu-select-button>`;
     }
@@ -104,7 +108,8 @@ export class AdvancedCameraCardMenu extends LitElement {
       })}
       .label=${title ?? ''}
       ?disabled=${this._controller.shouldButtonBeInert(button)}
-      @action=${(ev) => this._controller.handleAction(ev, button)}
+      @action=${(ev: CustomEvent<Interaction>) =>
+        this._controller.handleAction(ev, button)}
     >
       <advanced-camera-card-icon
         ?allow-override-non-active-styles=${true}

src/components/status-bar.ts

@@ -16,6 +16,7 @@ import { StatusBarController } from '../components-lib/status-bar-controller';
 import type { StatusBarItem } from '../config/schema/actions/types.js';
 import type { StatusBarConfig } from '../config/schema/status-bar.js';
 import statusStyle from '../scss/status.scss?inline';
+import type { Interaction } from '../types.js';
 import { hasAction } from '../utils/action';
 import { contentsChanged } from '../utils/basic.js';
 
@@ -114,7 +115,8 @@ export class AdvancedCameraCardStatusBar extends LitElement {
               class="${classes}"
               title=${item.title ?? nothing}
               data-severity=${item.severity ?? ''}
-              @action=${(ev) => this._controller.actionHandler(ev, item.actions)}
+              @action=${(ev: CustomEvent<Interaction>) =>
+                this._controller.actionHandler(ev, item.actions)}
             >
               ${item.string}
             </div>`;
@@ -125,7 +127,8 @@ export class AdvancedCameraCardStatusBar extends LitElement {
               class="${classes}"
               title=${item.title ?? nothing}
               data-severity=${item.severity ?? ''}
-              @action=${(ev) => this._controller.actionHandler(ev, item.actions)}
+              @action=${(ev: CustomEvent<Interaction>) =>
+                this._controller.actionHandler(ev, item.actions)}
             ></advanced-camera-card-icon>`;
           } else if (item.type === 'custom:advanced-camera-card-status-bar-image') {
             return html`<img
@@ -134,7 +137,8 @@ export class AdvancedCameraCardStatusBar extends LitElement {
               title=${item.title ?? nothing}
               src="${item.image}"
               data-severity=${item.severity ?? ''}
-              @action=${(ev) => this._controller.actionHandler(ev, item.actions)}
+              @action=${(ev: CustomEvent<Interaction>) =>
+                this._controller.actionHandler(ev, item.actions)}
             />`;
           }
         })}

src/components/submenu/select-button.ts

@@ -67,7 +67,7 @@ export class AdvancedCameraCardSubmenuSelectButton extends LitElement {
     const entity =
       (await this.entityRegistryManager?.getEntity(this.hass, entityID)) ?? null;
 
-    const optionTitles = {};
+    const optionTitles: Record<string, string> = {};
     for (const option of options) {
       const title = getEntityStateTranslation(this.hass, entityID, {
         ...(entity && { entity: entity }),

src/condition-trigger/conditions/state-manager.ts

@@ -1,4 +1,4 @@
-import { isEqual } from 'lodash-es';
+import { isEqual, pickBy } from 'lodash-es';
 
 import { SerialRunner } from '../../utils/concurrency/serial-runner';
 import type {
@@ -55,15 +55,17 @@ export class ConditionStateManager implements ConditionStateManagerReadonlyInter
   }
 
   private _calculateTrueChange(change: ConditionState): ConditionState {
-    const changeState: ConditionState = {};
-
-    for (const key of Object.keys(change)) {
-      if (!isEqual(change[key], this._state[key])) {
-        changeState[key] = change[key];
-      }
-    }
-
-    return changeState;
+    return pickBy(
+      change,
+      (value, key) =>
+        !isEqual(
+          value,
+          this._state[
+            // lodash widens the key to `string`, which cannot index ConditionState.
+            key as keyof ConditionState
+          ],
+        ),
+    );
   }
 
   private _callListeners = (stateChange: ConditionStateChange): void => {

src/config/management.ts

@@ -24,7 +24,6 @@ import {
   CONF_VIEW_TRIGGERS_FILTER_SELECTED_CAMERA,
   CONF_VIEW_TRIGGERS_UNTRIGGER_DELAY_SECONDS,
 } from './const';
-import type { Condition } from './schema/condition-trigger/conditions/types';
 import type {
   RawAdvancedCameraCardConfig,
   RawAdvancedCameraCardConfigArray,
@@ -430,17 +429,15 @@ export const deleteTransform = function (_value: unknown): number | null | undef
  * @returns `true` if the configuration was modified.
  */
 const conditionToConditionsTransform = (data: unknown): boolean => {
-  if (
-    typeof data !== 'object' ||
-    !data ||
-    typeof data['conditions'] !== 'object' ||
-    !data['conditions']
-  ) {
+  if (!isRecord(data) || !isRecord(data['conditions'])) {
     return false;
   }
 
   const oldConditions = data['conditions'];
-  const newConditions: Condition[] = [];
+
+  // The legacy values are copied across unvalidated; the schema rejects
+  // anything malformed when the migrated configuration is later parsed.
+  const newConditions: RawAdvancedCameraCardConfig[] = [];
 
   if (oldConditions['view'] !== undefined) {
     newConditions.push({
@@ -475,23 +472,18 @@ const conditionToConditionsTransform = (data: unknown): boolean => {
   if (oldConditions['state'] !== undefined && Array.isArray(oldConditions['state'])) {
     for (const stateCondition of oldConditions['state']) {
       if (
-        typeof stateCondition === 'object' &&
-        stateCondition &&
+        isRecord(stateCondition) &&
         (stateCondition['state'] !== undefined ||
           stateCondition['state_not'] !== undefined ||
           stateCondition['entity'] !== undefined)
       ) {
         newConditions.push({
           condition: 'state' as const,
-          ...(stateCondition['state'] && {
-            state: stateCondition['state'],
-          }),
-          ...(stateCondition['state_not'] && {
+          ...(!!stateCondition['state'] && { state: stateCondition['state'] }),
+          ...(!!stateCondition['state_not'] && {
             state_not: stateCondition['state_not'],
           }),
-          ...(stateCondition['entity'] && {
-            entity_id: stateCondition['entity'],
-          }),
+          ...(!!stateCondition['entity'] && { entity_id: stateCondition['entity'] }),
         });
       }
     }
@@ -570,8 +562,7 @@ const dropTriggerOnlyConditions = (conditions: unknown[]): unknown[] => {
   for (const condition of conditions) {
     if (
       isCompositeCondition(condition) &&
-      typeof condition === 'object' &&
-      condition &&
+      isRecord(condition) &&
       Array.isArray(condition['conditions'])
     ) {
       const inner = dropTriggerOnlyConditions(condition['conditions']);
@@ -594,7 +585,7 @@ const rewriteConditionAsTrigger = (condition: unknown): unknown => {
   // Only the renamed fields are consumed; anything else the condition carries
   // (`enabled`, and the fields it already shares with its trigger) is preserved,
   // so promoting never silently discards user configuration.
-  const withoutKeys = (...keys: string[]): Record<string, unknown> => {
+  const withoutKeys = (...keys: string[]): RawAdvancedCameraCardConfig => {
     const rest = { ...condition };
     for (const key of keys) {
       delete rest[key];
@@ -1100,8 +1091,7 @@ const callServiceToPerformActionTransform = (data: unknown): boolean => {
  */
 const serviceDataToDataTransform = (data: unknown): boolean => {
   if (
-    typeof data === 'object' &&
-    data &&
+    isRecord(data) &&
     data['action'] === 'call-service' &&
     data['service'] !== undefined &&
     data['service_data'] !== undefined &&
@@ -1205,7 +1195,7 @@ const ptzIncorrectDataToWebRTCDataTransform = (data: unknown): unknown => {
 };
 
 const ptzActionsToCamerasGlobalTransform = (data: unknown): unknown => {
-  if (typeof data !== 'object' || !data) {
+  if (!isRecord(data)) {
     return undefined;
   }
 
@@ -1242,7 +1232,7 @@ const ptzActionsToCamerasGlobalTransform = (data: unknown): unknown => {
     return undefined;
   }
 
-  const output = {};
+  const output: RawAdvancedCameraCardConfig = {};
 
   NON_PRESET_DATA_KEYS.filter((key) => key in data).reduce((obj, key) => {
     obj[key] = data[key];
@@ -1250,36 +1240,31 @@ const ptzActionsToCamerasGlobalTransform = (data: unknown): unknown => {
   }, output);
 
   NON_PRESET_ACTION_KEYS.filter((key) => key in data).reduce((obj, key) => {
-    if (typeof data[key] === 'object' && 'tap_action' in data[key]) {
-      obj[key] = data[key]['tap_action'];
+    const action = data[key];
+    if (isRecord(action) && 'tap_action' in action) {
+      obj[key] = action['tap_action'];
     }
     return obj;
   }, output);
 
-  const createPresets = () => {
-    output['presets'] =
-      'presets' in data && typeof data['presets'] === 'object' && !!data['presets']
-        ? data['presets']
-        : {};
+  // Returns the preset collection so callers can add to it after it is
+  // attached to the output.
+  const createPresets = (): RawAdvancedCameraCardConfig => {
+    const existing = data['presets'];
+    const presets = isRecord(existing) ? existing : {};
+    output['presets'] = presets;
+    return presets;
   };
 
-  if (
-    'actions_home' in data &&
-    typeof data['actions_home'] === 'object' &&
-    data['actions_home'] &&
-    'tap_action' in data['actions_home']
-  ) {
-    createPresets();
-    output['presets']['home'] = data['actions_home']['tap_action'];
-  } else if (
-    'data_home' in data &&
-    typeof data['data_home'] === 'object' &&
-    data['data_home'] &&
-    typeof data['service'] === 'string'
-  ) {
-    createPresets();
-    output['presets']['service'] = data['service'];
-    output['presets']['data_home'] = data['data_home'];
+  const actionsHome = data['actions_home'];
+  const dataHome = data['data_home'];
+
+  if (isRecord(actionsHome) && 'tap_action' in actionsHome) {
+    createPresets()['home'] = actionsHome['tap_action'];
+  } else if (isRecord(dataHome) && typeof data['service'] === 'string') {
+    const presets = createPresets();
+    presets['service'] = data['service'];
+    presets['data_home'] = dataHome;
   }
 
   return output;
@@ -1310,7 +1295,7 @@ const ptzControlSettingsTransform = (data: unknown): unknown => {
 
   return keys
     .filter((key) => TRANSFORM_KEYS.includes(key))
-    .reduce((obj, key) => {
+    .reduce<RawAdvancedCameraCardConfig>((obj, key) => {
       obj[key] = data[key];
       return obj;
     }, {});
@@ -1593,13 +1578,15 @@ const UPGRADES = [
   deleteWithOverrides('image.layout'),
   upgradeArrayOfObjects(CONF_OVERRIDES, conditionToConditionsTransform),
   (data: unknown): boolean => {
+    const elements = isRecord(data) ? data[CONF_ELEMENTS] : null;
     return upgradeObjectRecursively(conditionToConditionsTransform)(
-      typeof data === 'object' && data ? data[CONF_ELEMENTS] : {},
+      isRecord(elements) ? elements : {},
     );
   },
   (data: unknown): boolean => {
+    const automations = isRecord(data) ? data[CONF_AUTOMATIONS] : null;
     return upgradeObjectRecursively(conditionToConditionsTransform)(
-      typeof data === 'object' && data ? data[CONF_AUTOMATIONS] : {},
+      isRecord(automations) ? automations : {},
     );
   },
   upgradeArrayOfObjects(

src/config/schema/camera/ptz.ts

@@ -1,5 +1,7 @@
 import { z } from 'zod';
 
+import { isRecord } from '../../../utils/basic';
+import type { RawAdvancedCameraCardConfig } from '../../types';
 import { performActionActionSchema } from '../actions/stock/perform-action';
 
 export const ptzCameraConfigDefaults = {
@@ -14,12 +16,12 @@ export const ptzCameraConfigDefaults = {
 const dataPTZFormatToFullFormat =
   (suffix: string) =>
   (data: unknown): unknown => {
-    if (!data || typeof data !== 'object' || !data['service']) {
+    if (!isRecord(data) || !data['service']) {
       return data;
     }
 
     const service = data['service'];
-    const out = { ...data };
+    const out: RawAdvancedCameraCardConfig = { ...data };
 
     for (const key of Object.keys(data)) {
       const webrtc = key.match(/^data_(start|end)_(.+)$/);
@@ -34,8 +36,7 @@ const dataPTZFormatToFullFormat =
       // Route `data_home` into a `home` preset listed first so the PTZ
       // home button (which activates the first preset) uses it.
       if (suffix && name === 'home') {
-        const presets =
-          out['presets'] && typeof out['presets'] === 'object' ? out['presets'] : {};
+        const presets = isRecord(out['presets']) ? out['presets'] : {};
         if (!('home' in presets)) {
           out['presets'] = {
             home: {

src/ha/types.ts

@@ -151,7 +151,7 @@ export interface HomeAssistant {
       [key: string]: unknown;
     },
   ) => Promise<Response>;
-  hassUrl(path?): string;
+  hassUrl(path?: string): string;
   sendWS: (msg: MessageBase) => Promise<void>;
   callWS: <T>(msg: MessageBase) => Promise<T>;
 }

src/utils/basic.ts

@@ -270,13 +270,15 @@ export const getChildrenFromElement = (parent: HTMLElement): HTMLElement[] => {
 export const recursivelyMergeObjectsNotArrays = <T>(
   ...srcs: (Partial<T> | undefined | null)[]
 ): T => {
-  return mergeWith({}, ...srcs, (_a, b) => (Array.isArray(b) ? b : undefined));
+  return mergeWith({}, ...srcs, (_a: unknown, b: unknown) =>
+    Array.isArray(b) ? b : undefined,
+  );
 };
 
 export const recursivelyMergeObjectsConcatenatingArraysUniquely = <T>(
   ...srcs: (Partial<T> | undefined | null)[]
 ): T => {
-  return mergeWith({}, ...srcs, (a, b) =>
+  return mergeWith({}, ...srcs, (a: unknown, b: unknown) =>
     Array.isArray(a) ? uniq(a.concat(b)) : undefined,
   );
 };

src/utils/camera.ts

@@ -1,5 +1,6 @@
 import type { CameraConfig } from '../config/schema/cameras';
 import type { RawAdvancedCameraCardConfig } from '../config/types';
+import { isRecord } from './basic';
 
 /**
  * Get a camera id.
@@ -12,20 +13,17 @@ export function getCameraID(
   return (
     (typeof config?.id === 'string' && config.id) ||
     (typeof config?.camera_entity === 'string' && config.camera_entity) ||
-    (typeof config?.webrtc_card === 'object' &&
-      config.webrtc_card &&
+    (isRecord(config?.webrtc_card) &&
       ((typeof config.webrtc_card['entity'] === 'string' &&
         config.webrtc_card['entity']) ||
         (typeof config.webrtc_card['url'] === 'string' && config.webrtc_card['url']))) ||
-    (typeof config?.go2rtc === 'object' &&
-      config.go2rtc &&
+    (isRecord(config?.go2rtc) &&
       typeof config.go2rtc['url'] === 'string' &&
       typeof config.go2rtc['stream'] === 'string' &&
       // Artifical identifier that includes both url / stream.
       `${config.go2rtc['url']}#${config.go2rtc['stream']}`) ||
-    (typeof config?.frigate === 'object' &&
-      config.frigate &&
-      typeof config?.frigate['camera_name'] === 'string' &&
+    (isRecord(config?.frigate) &&
+      typeof config.frigate['camera_name'] === 'string' &&
       config.frigate['camera_name']) ||
     ''
   );

src/utils/media-layout.ts

@@ -1,6 +1,17 @@
 import type { MediaLayoutConfig } from '../config/schema/camera/media-layout';
 import { setOrRemoveStyleProperty } from './basic';
 
+const POSITION_DIMENSIONS: (keyof NonNullable<MediaLayoutConfig['position']>)[] = [
+  'x',
+  'y',
+];
+const VIEW_BOX_EDGES: (keyof NonNullable<MediaLayoutConfig['view_box']>)[] = [
+  'top',
+  'bottom',
+  'left',
+  'right',
+];
+
 /**
  * Update element style from a media configuration.
  * @param element The element to update the style for.
@@ -17,7 +28,7 @@ export const updateElementStyleFromMediaLayoutConfig = (
     mediaLayoutConfig?.fit,
   );
 
-  for (const dimension of ['x', 'y']) {
+  for (const dimension of POSITION_DIMENSIONS) {
     setOrRemoveStyleProperty(
       element,
       !!mediaLayoutConfig?.position?.[dimension],
@@ -26,7 +37,7 @@ export const updateElementStyleFromMediaLayoutConfig = (
     );
   }
 
-  for (const dimension of ['top', 'bottom', 'left', 'right']) {
+  for (const dimension of VIEW_BOX_EDGES) {
     setOrRemoveStyleProperty(
       element,
       !!mediaLayoutConfig?.view_box?.[dimension],

src/view/view.ts

@@ -143,13 +143,15 @@ export class View {
     return this;
   }
 
-  public removeContextProperty(
-    contextKey: keyof ViewContext,
-    removeKey: PropertyKey,
+  public removeContextProperty<T extends keyof ViewContext>(
+    contextKey: T,
+    removeKey: keyof NonNullable<ViewContext[T]>,
   ): View {
     const contextObj = this.context?.[contextKey];
     if (contextObj) {
-      delete contextObj[removeKey];
+      // Cannot use a regular 'delete' here as TypeScript cannot directly index
+      // `contextObj` while its type is still generic.
+      Reflect.deleteProperty(contextObj, removeKey);
     }
     return this;
   }