custom linear haptics

modules/astra-haptics/index.ts

@@ -0,0 +1,66 @@
+import { Platform } from 'react-native';
+import { requireOptionalNativeModule, type NativeModule } from 'expo-modules-core';
+import type {
+  HapticCapabilities,
+  HapticCompositionStep,
+  HapticPrimitive,
+  HapticPrimitiveCapability,
+} from './types';
+
+declare class AstraHapticsModuleType extends NativeModule {
+  getCapabilities(): Omit<HapticCapabilities, 'moduleAvailable'>;
+  isTouchFeedbackEnabled(): boolean;
+  playComposition(steps: HapticCompositionStep[]): boolean;
+}
+
+const native = requireOptionalNativeModule<AstraHapticsModuleType>('AstraHaptics');
+
+const PRIMITIVES: HapticPrimitive[] = [
+  'click',
+  'thud',
+  'spin',
+  'quickRise',
+  'slowRise',
+  'quickFall',
+  'tick',
+  'lowTick',
+];
+
+function unsupportedPrimitives(): Record<HapticPrimitive, HapticPrimitiveCapability> {
+  return Object.fromEntries(
+    PRIMITIVES.map((primitive) => [primitive, { supported: false, durationMs: 0 }])
+  ) as Record<HapticPrimitive, HapticPrimitiveCapability>;
+}
+
+export const AstraHaptics = {
+  isAvailable: native !== null,
+
+  getCapabilities(): HapticCapabilities {
+    if (!native) {
+      return {
+        moduleAvailable: false,
+        apiLevel: typeof Platform.Version === 'number' ? Platform.Version : 0,
+        hasVibrator: false,
+        hasAmplitudeControl: false,
+        touchFeedbackEnabled: false,
+        primitives: unsupportedPrimitives(),
+      };
+    }
+    return { moduleAvailable: true, ...native.getCapabilities() };
+  },
+
+  isTouchFeedbackEnabled(): boolean {
+    return native?.isTouchFeedbackEnabled() ?? true;
+  },
+
+  playComposition(steps: HapticCompositionStep[]): boolean {
+    return native?.playComposition(steps) ?? false;
+  },
+};
+
+export type {
+  HapticCapabilities,
+  HapticCompositionStep,
+  HapticPrimitive,
+  HapticPrimitiveCapability,
+} from './types';