react-spy-scroll/dist/request-animation-frame.js

Scrollspy components for react

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

/**
 * requestAnimationFrame provider, with polyfill
 */
function native() {
    if (window) {
        return window.requestAnimationFrame || window.webkitRequestAnimationFrame;
    }
    return undefined;
}

function polyfill() {
    return function (callback, element, delay) {
        setTimeout(callback, delay || 1000 / 60, new Date().getTime());
    };
}

function createRequestAnimationFrame() {
    return _get__("native")() || _get__("polyfill")();
}

var _DefaultExportValue = _get__("createRequestAnimationFrame")();

exports.default = _DefaultExportValue;

var _RewiredData__ = Object.create(null);

var INTENTIONAL_UNDEFINED = '__INTENTIONAL_UNDEFINED__';
var _RewireAPI__ = {};

(function () {
    function addPropertyToAPIObject(name, value) {
        Object.defineProperty(_RewireAPI__, name, {
            value: value,
            enumerable: false,
            configurable: true
        });
    }

    addPropertyToAPIObject('__get__', _get__);
    addPropertyToAPIObject('__GetDependency__', _get__);
    addPropertyToAPIObject('__Rewire__', _set__);
    addPropertyToAPIObject('__set__', _set__);
    addPropertyToAPIObject('__reset__', _reset__);
    addPropertyToAPIObject('__ResetDependency__', _reset__);
    addPropertyToAPIObject('__with__', _with__);
})();

function _get__(variableName) {
    if (_RewiredData__ === undefined || _RewiredData__[variableName] === undefined) {
        return _get_original__(variableName);
    } else {
        var value = _RewiredData__[variableName];

        if (value === INTENTIONAL_UNDEFINED) {
            return undefined;
        } else {
            return value;
        }
    }
}

function _get_original__(variableName) {
    switch (variableName) {
        case "native":
            return native;

        case "polyfill":
            return polyfill;

        case "createRequestAnimationFrame":
            return createRequestAnimationFrame;
    }

    return undefined;
}

function _assign__(variableName, value) {
    if (_RewiredData__ === undefined || _RewiredData__[variableName] === undefined) {
        return _set_original__(variableName, value);
    } else {
        return _RewiredData__[variableName] = value;
    }
}

function _set_original__(variableName, _value) {
    switch (variableName) {}

    return undefined;
}

function _update_operation__(operation, variableName, prefix) {
    var oldValue = _get__(variableName);

    var newValue = operation === '++' ? oldValue + 1 : oldValue - 1;

    _assign__(variableName, newValue);

    return prefix ? newValue : oldValue;
}

function _set__(variableName, value) {
    if ((typeof variableName === "undefined" ? "undefined" : _typeof(variableName)) === 'object') {
        Object.keys(variableName).forEach(function (name) {
            _RewiredData__[name] = variableName[name];
        });
    } else {
        if (value === undefined) {
            _RewiredData__[variableName] = INTENTIONAL_UNDEFINED;
        } else {
            _RewiredData__[variableName] = value;
        }

        return function () {
            _reset__(variableName);
        };
    }
}

function _reset__(variableName) {
    delete _RewiredData__[variableName];
}

function _with__(object) {
    var rewiredVariableNames = Object.keys(object);
    var previousValues = {};

    function reset() {
        rewiredVariableNames.forEach(function (variableName) {
            _RewiredData__[variableName] = previousValues[variableName];
        });
    }

    return function (callback) {
        rewiredVariableNames.forEach(function (variableName) {
            previousValues[variableName] = _RewiredData__[variableName];
            _RewiredData__[variableName] = object[variableName];
        });
        var result = callback();

        if (!!result && typeof result.then == 'function') {
            result.then(reset).catch(reset);
        } else {
            reset();
        }

        return result;
    };
}

var _typeOfOriginalExport = typeof _DefaultExportValue === "undefined" ? "undefined" : _typeof(_DefaultExportValue);

function addNonEnumerableProperty(name, value) {
    Object.defineProperty(_DefaultExportValue, name, {
        value: value,
        enumerable: false,
        configurable: true
    });
}

if ((_typeOfOriginalExport === 'object' || _typeOfOriginalExport === 'function') && Object.isExtensible(_DefaultExportValue)) {
    addNonEnumerableProperty('__get__', _get__);
    addNonEnumerableProperty('__GetDependency__', _get__);
    addNonEnumerableProperty('__Rewire__', _set__);
    addNonEnumerableProperty('__set__', _set__);
    addNonEnumerableProperty('__reset__', _reset__);
    addNonEnumerableProperty('__ResetDependency__', _reset__);
    addNonEnumerableProperty('__with__', _with__);
    addNonEnumerableProperty('__RewireAPI__', _RewireAPI__);
}

exports.__get__ = _get__;
exports.__GetDependency__ = _get__;
exports.__Rewire__ = _set__;
exports.__set__ = _set__;
exports.__ResetDependency__ = _reset__;
exports.__RewireAPI__ = _RewireAPI__;