@vnmfify/core/fixed-view/fixed-view.js

```shell npm i @vnmfify/core -S ```

import _isObject from "lodash/isObject";
import _isString from "lodash/isString";
var _excluded = ["className", "position", "safeArea", "placeholder", "children"],
    _excluded2 = ["className"];

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 _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 { View } from "@vnxjs/components";
import classNames from "classnames";
import * as React from "react";
import { useRef } from "react";
import { usePlaceholder } from "../placeholder";
import SafeArea from "../safe-area";
import { prefixClassname } from "../styles";

function useFixedViewPlaceholder(placeholder) {
  if (placeholder === true) {
    return {
      className: prefixClassname("fixed-view__placeholder")
    };
  }

  if (_isString(placeholder)) {
    return {
      className: placeholder
    };
  }

  if (_isObject(placeholder)) {
    return placeholder;
  }
}

function FixedView(props) {
  var {
    className,
    position,
    safeArea,
    placeholder: placeholderProp,
    children
  } = props,
      restProps = _objectWithoutProperties(props, _excluded);

  var rootRef = useRef();
  var placeholder = useFixedViewPlaceholder(placeholderProp);
  var Placeholder = usePlaceholder(rootRef);

  if (position !== "top" && position !== "bottom" && position !== true) {
    return children;
  }

  var content = /*#__PURE__*/React.createElement(View, _objectSpread({
    ref: rootRef,
    className: classNames(prefixClassname("fixed-view"), {
      [prefixClassname("fixed-view--top")]: position === "top",
      [prefixClassname("fixed-view--bottom")]: position === "bottom" || position === true
    }, className)
  }, restProps), safeArea === "top" && /*#__PURE__*/React.createElement(SafeArea, {
    position: "top"
  }), children, safeArea === "bottom" && /*#__PURE__*/React.createElement(SafeArea, {
    position: "bottom"
  }));

  if (placeholder) {
    var {
      className: placeholderClassName
    } = placeholder,
        restPlaceholder = _objectWithoutProperties(placeholder, _excluded2);

    return /*#__PURE__*/React.createElement(Placeholder, _objectSpread(_objectSpread({
      className: classNames(prefixClassname("fixed-view__placeholder"), placeholderClassName)
    }, restPlaceholder), {}, {
      children: content
    }));
  }

  return content;
}

export default FixedView;
//# sourceMappingURL=fixed-view.js.map