expo-sensors/plugin/src/withSensors.ts

Provides access to a hardware device's accelerometer, gyroscope, magnetometer, and pedometer.

import {
  ConfigPlugin,
  createRunOncePlugin,
  IOSConfig,
  withPodfileProperties,
} from 'expo/config-plugins';

const pkg = require('expo-sensors/package.json');
const MOTION_USAGE = 'Allow $(PRODUCT_NAME) to access your device motion';

const withSensors: ConfigPlugin<{ motionPermission?: string | false } | void> = (
  config,
  { motionPermission } = {}
) => {
  if (motionPermission === false) {
    config = withPodfileProperties(config, (config) => {
      config.modResults.MOTION_PERMISSION = 'false';
      return config;
    });
  }

  return IOSConfig.Permissions.createPermissionsPlugin({
    NSMotionUsageDescription: MOTION_USAGE,
  })(config, {
    NSMotionUsageDescription: motionPermission,
  });
};

export default createRunOncePlugin(withSensors, pkg.name, pkg.version);