react-in-viewport/dist/umd/lib/handleViewport.js

Track React component in viewport using Intersection Observer API

(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(["exports", "react", "hoist-non-react-statics", "./useInViewport", "./constants", "react/jsx-runtime"], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports, require("react"), require("hoist-non-react-statics"), require("./useInViewport"), require("./constants"), require("react/jsx-runtime"));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.react, global.hoistNonReactStatics, global.useInViewport, global.constants, global.jsxRuntime);
    global.handleViewport = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports, _react, _hoistNonReactStatics, _useInViewport2, _constants, _jsxRuntime) {
  "use strict";

  _exports.__esModule = true;
  _exports["default"] = void 0;
  _hoistNonReactStatics = _interopRequireDefault(_hoistNonReactStatics);
  _useInViewport2 = _interopRequireDefault(_useInViewport2);
  var _excluded = ["onEnterViewport", "onLeaveViewport"];
  function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
  function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (e.includes(n)) continue; t[n] = r[n]; } return t; }
  function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
  function handleViewport(TargetComponent, options, config) {
    if (options === void 0) {
      options = _constants.defaultOptions;
    }
    if (config === void 0) {
      config = _constants.defaultConfig;
    }
    var ForwardedRefComponent = /*#__PURE__*/(0, _react.forwardRef)(function (props, ref) {
      var refProps = {
        forwardedRef: ref
        // pass both ref/forwardedRef for class component for backward compatibility
      };
      return /*#__PURE__*/(0, _jsxRuntime.jsx)(TargetComponent, _extends({}, props, refProps));
    });
    var InViewport = function InViewport(_ref) {
      var _ref$onEnterViewport = _ref.onEnterViewport,
        onEnterViewport = _ref$onEnterViewport === void 0 ? _constants.noop : _ref$onEnterViewport,
        _ref$onLeaveViewport = _ref.onLeaveViewport,
        onLeaveViewport = _ref$onLeaveViewport === void 0 ? _constants.noop : _ref$onLeaveViewport,
        restProps = _objectWithoutPropertiesLoose(_ref, _excluded);
      var node = (0, _react.useRef)(null);
      var _useInViewport = (0, _useInViewport2["default"])(node, options, config, {
          onEnterViewport: onEnterViewport,
          onLeaveViewport: onLeaveViewport
        }),
        inViewport = _useInViewport.inViewport,
        enterCount = _useInViewport.enterCount,
        leaveCount = _useInViewport.leaveCount;
      var props = _extends({}, restProps, {
        inViewport: inViewport,
        enterCount: enterCount,
        leaveCount: leaveCount
      });
      return /*#__PURE__*/(0, _jsxRuntime.jsx)(ForwardedRefComponent, _extends({}, props, {
        ref: node
      }));
    };
    var name = TargetComponent.displayName || TargetComponent.name || 'Component';
    InViewport.displayName = "handleViewport(" + name + ")";
    return (0, _hoistNonReactStatics["default"])(InViewport, ForwardedRefComponent);
  }
  var _default = _exports["default"] = handleViewport;
});