@react-navigation/stack/lib/module/views/Header/HeaderBackground.js

Stack navigator component for iOS and Android with animated transitions and gestures

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

import * as React from 'react';
import { Animated, StyleSheet, Platform } from 'react-native';
import { useTheme } from '@react-navigation/native';
export default function HeaderBackground(_ref) {
  let {
    style
  } = _ref,
      rest = _objectWithoutProperties(_ref, ["style"]);

  const {
    colors
  } = useTheme();
  return /*#__PURE__*/React.createElement(Animated.View, _extends({
    style: [styles.container, {
      backgroundColor: colors.card,
      borderBottomColor: colors.border,
      shadowColor: colors.border
    }, style]
  }, rest));
}
const styles = StyleSheet.create({
  container: _objectSpread({
    flex: 1
  }, Platform.select({
    android: {
      elevation: 4
    },
    ios: {
      shadowOpacity: 0.85,
      shadowRadius: 0,
      shadowOffset: {
        width: 0,
        height: StyleSheet.hairlineWidth
      }
    },
    default: {
      borderBottomWidth: StyleSheet.hairlineWidth
    }
  }))
});
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