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this["wc"] = this["wc"] || {}; this["wc"]["navigation"] =
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/***/ 11:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _extends; });
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);
}

/***/ }),

/***/ 111:
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var utils = __webpack_require__(71);
var formats = __webpack_require__(86);
var has = Object.prototype.hasOwnProperty;

var isArray = Array.isArray;
var push = Array.prototype.push;
var pushToArray = function (arr, valueOrArray) {
    push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
};

var toISO = Date.prototype.toISOString;

var defaultFormat = formats['default'];
var defaults = {
    addQueryPrefix: false,
    allowDots: false,
    charset: 'utf-8',
    charsetSentinel: false,
    delimiter: '&',
    encode: true,
    encoder: utils.encode,
    encodeValuesOnly: false,
    format: defaultFormat,
    formatter: formats.formatters[defaultFormat],
    // deprecated
    indices: false,
    serializeDate: function serializeDate(date) {
        return toISO.call(date);
    },
    skipNulls: false,
    strictNullHandling: false
};

var isNonNullishPrimitive = function isNonNullishPrimitive(v) {
    return typeof v === 'string'
        || typeof v === 'number'
        || typeof v === 'boolean'
        || typeof v === 'symbol'
        || typeof v === 'bigint';
};

if (obj === null) {
        if (strictNullHandling) {
            return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder, charset, 'key') : prefix;
        }

obj = '';
    }

if (isNonNullishPrimitive(obj) || utils.isBuffer(obj)) {
        if (encoder) {
            var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset, 'key');
            return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset, 'value'))];
        }
        return [formatter(prefix) + '=' + formatter(String(obj))];
    }

var values = [];

if (typeof obj === 'undefined') {
        return values;
    }

var objKeys;
    if (isArray(filter)) {
        objKeys = filter;
    } else {
        var keys = Object.keys(obj);
        objKeys = sort ? keys.sort(sort) : keys;
    }

for (var i = 0; i < objKeys.length; ++i) {
        var key = objKeys[i];

if (skipNulls && obj[key] === null) {
            continue;
        }

if (isArray(obj)) {
            pushToArray(values, stringify(
                obj[key],
                typeof generateArrayPrefix === 'function' ? generateArrayPrefix(prefix, key) : prefix,
                generateArrayPrefix,
                strictNullHandling,
                skipNulls,
                encoder,
                filter,
                sort,
                allowDots,
                serializeDate,
                formatter,
                encodeValuesOnly,
                charset
            ));
        } else {
            pushToArray(values, stringify(
                obj[key],
                prefix + (allowDots ? '.' + key : '[' + key + ']'),
                generateArrayPrefix,
                strictNullHandling,
                skipNulls,
                encoder,
                filter,
                sort,
                allowDots,
                serializeDate,
                formatter,
                encodeValuesOnly,
                charset
            ));
        }
    }

return values;
};

var normalizeStringifyOptions = function normalizeStringifyOptions(opts) {
    if (!opts) {
        return defaults;
    }

if (opts.encoder !== null && opts.encoder !== undefined && typeof opts.encoder !== 'function') {
        throw new TypeError('Encoder has to be a function.');
    }

var charset = opts.charset || defaults.charset;
    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
    }

var format = formats['default'];
    if (typeof opts.format !== 'undefined') {
        if (!has.call(formats.formatters, opts.format)) {
            throw new TypeError('Unknown format option provided.');
        }
        format = opts.format;
    }
    var formatter = formats.formatters[format];

var filter = defaults.filter;
    if (typeof opts.filter === 'function' || isArray(opts.filter)) {
        filter = opts.filter;
    }

return {
        addQueryPrefix: typeof opts.addQueryPrefix === 'boolean' ? opts.addQueryPrefix : defaults.addQueryPrefix,
        allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
        charset: charset,
        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
        delimiter: typeof opts.delimiter === 'undefined' ? defaults.delimiter : opts.delimiter,
        encode: typeof opts.encode === 'boolean' ? opts.encode : defaults.encode,
        encoder: typeof opts.encoder === 'function' ? opts.encoder : defaults.encoder,
        encodeValuesOnly: typeof opts.encodeValuesOnly === 'boolean' ? opts.encodeValuesOnly : defaults.encodeValuesOnly,
        filter: filter,
        formatter: formatter,
        serializeDate: typeof opts.serializeDate === 'function' ? opts.serializeDate : defaults.serializeDate,
        skipNulls: typeof opts.skipNulls === 'boolean' ? opts.skipNulls : defaults.skipNulls,
        sort: typeof opts.sort === 'function' ? opts.sort : null,
        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
    };
};

module.exports = function (object, opts) {
    var obj = object;
    var options = normalizeStringifyOptions(opts);

var objKeys;
    var filter;

if (typeof options.filter === 'function') {
        filter = options.filter;
        obj = filter('', obj);
    } else if (isArray(options.filter)) {
        filter = options.filter;
        objKeys = filter;
    }

var keys = [];

if (typeof obj !== 'object' || obj === null) {
        return '';
    }

var arrayFormat;
    if (opts && opts.arrayFormat in arrayPrefixGenerators) {
        arrayFormat = opts.arrayFormat;
    } else if (opts && 'indices' in opts) {
        arrayFormat = opts.indices ? 'indices' : 'repeat';
    } else {
        arrayFormat = 'indices';
    }

var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];

if (!objKeys) {
        objKeys = Object.keys(obj);
    }

if (options.sort) {
        objKeys.sort(options.sort);
    }

for (var i = 0; i < objKeys.length; ++i) {
        var key = objKeys[i];

if (options.skipNulls && obj[key] === null) {
            continue;
        }
        pushToArray(keys, stringify(
            obj[key],
            key,
            generateArrayPrefix,
            options.strictNullHandling,
            options.skipNulls,
            options.encode ? options.encoder : null,
            options.filter,
            options.sort,
            options.allowDots,
            options.serializeDate,
            options.formatter,
            options.encodeValuesOnly,
            options.charset
        ));
    }

var joined = keys.join(options.delimiter);
    var prefix = options.addQueryPrefix === true ? '?' : '';

if (options.charsetSentinel) {
        if (options.charset === 'iso-8859-1') {
            // encodeURIComponent('&#10003;'), the "numeric entity" representation of a checkmark
            prefix += 'utf8=%26%2310003%3B&';
        } else {
            // encodeURIComponent('✓')
            prefix += 'utf8=%E2%9C%93&';
        }
    }

return joined.length > 0 ? prefix + joined : '';
};

/***/ }),

/***/ 112:
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var utils = __webpack_require__(71);

var has = Object.prototype.hasOwnProperty;
var isArray = Array.isArray;

var defaults = {
    allowDots: false,
    allowPrototypes: false,
    arrayLimit: 20,
    charset: 'utf-8',
    charsetSentinel: false,
    comma: false,
    decoder: utils.decode,
    delimiter: '&',
    depth: 5,
    ignoreQueryPrefix: false,
    interpretNumericEntities: false,
    parameterLimit: 1000,
    parseArrays: true,
    plainObjects: false,
    strictNullHandling: false
};

var interpretNumericEntities = function (str) {
    return str.replace(/&#(\d+);/g, function ($0, numberStr) {
        return String.fromCharCode(parseInt(numberStr, 10));
    });
};

var parseArrayValue = function (val, options) {
    if (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {
        return val.split(',');
    }

return val;
};

// This is what browsers will submit when the ✓ character occurs in an
// application/x-www-form-urlencoded body and the encoding of the page containing
// the form is iso-8859-1, or when the submitted form has an accept-charset
// attribute of iso-8859-1. Presumably also with other charsets that do not contain
// the ✓ character, such as us-ascii.
var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('&#10003;')

// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded.
var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓')

var parseValues = function parseQueryStringValues(str, options) {
    var obj = {};
    var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
    var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
    var parts = cleanStr.split(options.delimiter, limit);
    var skipIndex = -1; // Keep track of where the utf8 sentinel was found
    var i;

for (i = 0; i < parts.length; ++i) {
        if (i === skipIndex) {
            continue;
        }
        var part = parts[i];

var bracketEqualsPos = part.indexOf(']=');
        var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;

var key, val;
        if (pos === -1) {
            key = options.decoder(part, defaults.decoder, charset, 'key');
            val = options.strictNullHandling ? null : '';
        } else {
            key = options.decoder(part.slice(0, pos), defaults.decoder, charset, 'key');
            val = maybeMap(
                parseArrayValue(part.slice(pos + 1), options),
                function (encodedVal) {
                    return options.decoder(encodedVal, defaults.decoder, charset, 'value');
                }
            );
        }

if (val && options.interpretNumericEntities && charset === 'iso-8859-1') {
            val = interpretNumericEntities(val);
        }

if (part.indexOf('[]=') > -1) {
            val = isArray(val) ? [val] : val;
        }

if (has.call(obj, key)) {
            obj[key] = utils.combine(obj[key], val);
        } else {
            obj[key] = val;
        }
    }

return obj;
};

var parseObject = function (chain, val, options, valuesParsed) {
    var leaf = valuesParsed ? val : parseArrayValue(val, options);

for (var i = chain.length - 1; i >= 0; --i) {
        var obj;
        var root = chain[i];

if (root === '[]' && options.parseArrays) {
            obj = [].concat(leaf);
        } else {
            obj = options.plainObjects ? Object.create(null) : {};
            var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
            var index = parseInt(cleanRoot, 10);
            if (!options.parseArrays && cleanRoot === '') {
                obj = { 0: leaf };
            } else if (
                !isNaN(index)
                && root !== cleanRoot
                && String(index) === cleanRoot
                && index >= 0
                && (options.parseArrays && index <= options.arrayLimit)
            ) {
                obj = [];
                obj[index] = leaf;
            } else {
                obj[cleanRoot] = leaf;
            }
        }

leaf = obj; // eslint-disable-line no-param-reassign
    }

return leaf;
};

var parseKeys = function parseQueryStringKeys(givenKey, val, options, valuesParsed) {
    if (!givenKey) {
        return;
    }

// Transform dot notation to bracket notation
    var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;

// The regex chunks

var brackets = /(\[[^[\]]*])/;
    var child = /(\[[^[\]]*])/g;

// Get the parent

var segment = options.depth > 0 && brackets.exec(key);
    var parent = segment ? key.slice(0, segment.index) : key;

// Stash the parent if it exists

var keys = [];
    if (parent) {
        // If we aren't using plain objects, optionally prefix keys that would overwrite object prototype properties
        if (!options.plainObjects && has.call(Object.prototype, parent)) {
            if (!options.allowPrototypes) {
                return;
            }
        }

keys.push(parent);
    }

// Loop through children appending to the array until we hit depth

// If there's a remainder, just add whatever is left

if (segment) {
        keys.push('[' + key.slice(segment.index) + ']');
    }

return parseObject(keys, val, options, valuesParsed);
};

var normalizeParseOptions = function normalizeParseOptions(opts) {
    if (!opts) {
        return defaults;
    }

if (opts.decoder !== null && opts.decoder !== undefined && typeof opts.decoder !== 'function') {
        throw new TypeError('Decoder has to be a function.');
    }

if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
    }
    var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset;

return {
        allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
        allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes,
        arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit,
        charset: charset,
        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
        comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma,
        decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder,
        delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter,
        // eslint-disable-next-line no-implicit-coercion, no-extra-parens
        depth: (typeof opts.depth === 'number' || opts.depth === false) ? +opts.depth : defaults.depth,
        ignoreQueryPrefix: opts.ignoreQueryPrefix === true,
        interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities,
        parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit,
        parseArrays: opts.parseArrays !== false,
        plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects,
        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
    };
};

module.exports = function (str, opts) {
    var options = normalizeParseOptions(opts);

if (str === '' || str === null || typeof str === 'undefined') {
        return options.plainObjects ? Object.create(null) : {};
    }

var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
    var obj = options.plainObjects ? Object.create(null) : {};

// Iterate over the keys and setup the new object

var keys = Object.keys(tempObj);
    for (var i = 0; i < keys.length; ++i) {
        var key = keys[i];
        var newObj = parseKeys(key, tempObj[key], options, typeof str === 'string');
        obj = utils.merge(obj, newObj, options);
    }

return utils.compact(obj);
};

/***/ }),

/***/ 13:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _defineProperty; });
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;
}

/***/ }),

/***/ 17:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";

// EXPORTS
__webpack_require__.d(__webpack_exports__, "a", function() { return /* binding */ _toConsumableArray; });

// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayLikeToArray.js
var arrayLikeToArray = __webpack_require__(37);

// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayWithoutHoles.js

function _arrayWithoutHoles(arr) {
  if (Array.isArray(arr)) return Object(arrayLikeToArray["a" /* default */])(arr);
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/iterableToArray.js
function _iterableToArray(iter) {
  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
}
// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/unsupportedIterableToArray.js
var unsupportedIterableToArray = __webpack_require__(52);

// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/nonIterableSpread.js
function _nonIterableSpread() {
  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/toConsumableArray.js

function _toConsumableArray(arr) {
  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || Object(unsupportedIterableToArray["a" /* default */])(arr) || _nonIterableSpread();
}

/***/ }),

/***/ 2:
/***/ (function(module, exports) {

(function() { module.exports = this["lodash"]; }());

/***/ }),

/***/ 30:
/***/ (function(module, exports) {

(function() { module.exports = this["wp"]["url"]; }());

/***/ }),

/***/ 37:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _arrayLikeToArray; });
function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;

for (var i = 0, arr2 = new Array(len); i < len; i++) {
    arr2[i] = arr[i];
  }

return arr2;
}

/***/ }),

/***/ 48:
/***/ (function(module, exports) {

(function() { module.exports = this["wp"]["hooks"]; }());

/***/ }),

/***/ 52:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _unsupportedIterableToArray; });
/* harmony import */ var _arrayLikeToArray__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(37);

function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return Object(_arrayLikeToArray__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"])(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(n);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return Object(_arrayLikeToArray__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"])(o, minLen);
}

/***/ }),

/***/ 58:
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var stringify = __webpack_require__(111);
var parse = __webpack_require__(112);
var formats = __webpack_require__(86);

module.exports = {
    formats: formats,
    parse: parse,
    stringify: stringify
};

/***/ }),

/***/ 708:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);

// EXPORTS
__webpack_require__.d(__webpack_exports__, "getHistory", function() { return /* reexport */ getHistory; });
__webpack_require__.d(__webpack_exports__, "flattenFilters", function() { return /* reexport */ flattenFilters; });
__webpack_require__.d(__webpack_exports__, "getActiveFiltersFromQuery", function() { return /* reexport */ getActiveFiltersFromQuery; });
__webpack_require__.d(__webpack_exports__, "getDefaultOptionValue", function() { return /* reexport */ getDefaultOptionValue; });
__webpack_require__.d(__webpack_exports__, "getQueryFromActiveFilters", function() { return /* reexport */ getQueryFromActiveFilters; });
__webpack_require__.d(__webpack_exports__, "getUrlKey", function() { return /* reexport */ getUrlKey; });
__webpack_require__.d(__webpack_exports__, "getPath", function() { return /* binding */ build_module_getPath; });
__webpack_require__.d(__webpack_exports__, "getPersistedQuery", function() { return /* binding */ build_module_getPersistedQuery; });
__webpack_require__.d(__webpack_exports__, "getIdsFromQuery", function() { return /* binding */ getIdsFromQuery; });
__webpack_require__.d(__webpack_exports__, "getSearchWords", function() { return /* binding */ getSearchWords; });
__webpack_require__.d(__webpack_exports__, "getNewPath", function() { return /* binding */ getNewPath; });
__webpack_require__.d(__webpack_exports__, "getQuery", function() { return /* binding */ getQuery; });
__webpack_require__.d(__webpack_exports__, "onQueryChange", function() { return /* binding */ onQueryChange; });
__webpack_require__.d(__webpack_exports__, "updateQueryString", function() { return /* binding */ updateQueryString; });

// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/defineProperty.js
var defineProperty = __webpack_require__(13);

// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/typeof.js
var esm_typeof = __webpack_require__(89);

// EXTERNAL MODULE: external {"this":["wp","url"]}
var external_this_wp_url_ = __webpack_require__(30);

// EXTERNAL MODULE: ./node_modules/qs/lib/index.js
var lib = __webpack_require__(58);

// EXTERNAL MODULE: external "lodash"
var external_lodash_ = __webpack_require__(2);

// EXTERNAL MODULE: external {"this":["wp","hooks"]}
var external_this_wp_hooks_ = __webpack_require__(48);

// EXTERNAL MODULE: ./node_modules/history/esm/history.js + 2 modules
var esm_history = __webpack_require__(90);

// CONCATENATED MODULE: ./packages/navigation/build-module/history.js

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) {
        Object(defineProperty["a" /* default */])(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;
}
/**
 * External dependencies
 */

// See https://github.com/ReactTraining/react-router/blob/master/FAQ.md#how-do-i-access-the-history-object-outside-of-components

var _history;
/**
 * Recreate `history` to coerce React Router into accepting path arguments found in query
 * parameter `path`, allowing a url hash to be avoided. Since hash portions of the url are
 * not sent server side, full route information can be detected by the server.
 *
 * `<Router />` and `<Switch />` components use `history.location()` to match a url with a route.
 * Since they don't parse query arguments, recreate `get location` to return a `pathname` with the
 * query path argument's value.
 *
 * @return {Object} React-router history object with `get location` modified.
 */

function getHistory() {
  if (!_history) {
    var path = document.location.pathname;
    var browserHistory = Object(esm_history["a" /* createBrowserHistory */])({
      basename: path.substring(0, path.lastIndexOf('/'))
    });
    _history = {
      get length() {
        return browserHistory.length;
      },

get action() {
        return browserHistory.action;
      },

get location() {
        var location = browserHistory.location;
        var query = Object(lib["parse"])(location.search.substring(1));
        var pathname = query.path || '/';
        return _objectSpread({}, location, {
          pathname: pathname
        });
      },

createHref: function createHref() {
        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
          args[_key] = arguments[_key];
        }

return browserHistory.createHref.apply(browserHistory, args);
      },
      push: function push() {
        for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
          args[_key2] = arguments[_key2];
        }

return browserHistory.push.apply(browserHistory, args);
      },
      replace: function replace() {
        for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
          args[_key3] = arguments[_key3];
        }

return browserHistory.replace.apply(browserHistory, args);
      },
      go: function go() {
        for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
          args[_key4] = arguments[_key4];
        }

return browserHistory.go.apply(browserHistory, args);
      },
      goBack: function goBack() {
        for (var _len5 = arguments.length, args = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
          args[_key5] = arguments[_key5];
        }

return browserHistory.goBack.apply(browserHistory, args);
      },
      goForward: function goForward() {
        for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
          args[_key6] = arguments[_key6];
        }

return browserHistory.goForward.apply(browserHistory, args);
      },
      block: function block() {
        for (var _len7 = arguments.length, args = new Array(_len7), _key7 = 0; _key7 < _len7; _key7++) {
          args[_key7] = arguments[_key7];
        }

return browserHistory.block.apply(browserHistory, args);
      },
      listen: function listen(listener) {
        var _this = this;

return browserHistory.listen(function () {
          listener(_this.location, _this.action);
        });
      }
    };
  }

return _history;
}

// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/toConsumableArray.js + 3 modules
var toConsumableArray = __webpack_require__(17);

// CONCATENATED MODULE: ./packages/navigation/build-module/filters.js

function filters_ownKeys(object, enumerableOnly) {
  var keys = Object.keys(object);

return keys;
}

function filters_objectSpread(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};

if (i % 2) {
      filters_ownKeys(Object(source), true).forEach(function (key) {
        Object(defineProperty["a" /* default */])(target, key, source[key]);
      });
    } else if (Object.getOwnPropertyDescriptors) {
      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
    } else {
      filters_ownKeys(Object(source)).forEach(function (key) {
        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
      });
    }
  }

return target;
}
/**
 * External dependencies
 */

/**
 * Collapse an array of filter values with subFilters into a 1-dimensional array.
 *
 * @param {Array} filters Set of filters with possible subfilters.
 * @return {Array} Flattened array of all filters.
 */

/**
 * Given a query object, return an array of activeFilters, if any.
 *
 * @param {Object} query - query oject
 * @param {Object} config - config object
 * @return {activeFilters[]} - array of activeFilters
 */

function getActiveFiltersFromQuery(query, config) {
  return Object(external_lodash_["compact"])(Object.keys(config).map(function (configKey) {
    var filter = config[configKey];

if (filter.rules) {
      var match = Object(external_lodash_["find"])(filter.rules, function (rule) {
        return query.hasOwnProperty(getUrlKey(configKey, rule.value));
      });

if (match) {
        var value = query[getUrlKey(configKey, match.value)];
        return {
          key: configKey,
          rule: match.value,
          value: value
        };
      }

return null;
    }

if (query[configKey]) {
      return {
        key: configKey,
        value: query[configKey]
      };
    }

return null;
  }));
}
/**
 * Get the default option's value from the configuration object for a given filter. The first
 * option is used as default if no `defaultOption` is provided.
 *
 * @param {Object} config - a filter config object.
 * @param {Array} options - select options.
 * @return {string|undefined}  - the value of the default option.
 */

function getDefaultOptionValue(config, options) {
  var defaultOption = config.input.defaultOption;

if (config.input.defaultOption) {
    var option = Object(external_lodash_["find"])(options, {
      value: defaultOption
    });

if (!option) {
      /* eslint-disable no-console */
      console.warn("invalid defaultOption ".concat(defaultOption, " supplied to ").concat(config.labels.add));
      /* eslint-enable */

return undefined;
    }

return option.value;
  }

return Object(external_lodash_["get"])(options, [0, 'value']);
}
/**
 * @typedef {Object} activeFilters
 */

/**
 * Given activeFilters, create a new query object to update the url. Use previousFilters to
 * Remove unused params.
 *
 * @param {activeFilters[]} activeFilters - activeFilters shown in the UI
 * @param {Object} query - the current url query object
 * @param {Object} config - config object
 * @return {Object} - query object representing the new parameters
 */

if (filter.value) {
      data[getUrlKey(filter.key, filter.rule)] = filter.value;
    }

return data;
  }, {});
  return filters_objectSpread({}, previousData, {}, nextData);
}
/**
 * Get the url query key from the filter key and rule.
 *
 * @param {string} key - filter key.
 * @param {string} rule - filter rule.
 * @return {string} - url query key.
 */

function getUrlKey(key, rule) {
  if (rule && rule.length) {
    return "".concat(key, "_").concat(rule);
  }

return key;
}
// CONCATENATED MODULE: ./packages/navigation/build-module/index.js

function build_module_ownKeys(object, enumerableOnly) {
  var keys = Object.keys(object);

return keys;
}

function build_module_objectSpread(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};

if (i % 2) {
      build_module_ownKeys(Object(source), true).forEach(function (key) {
        Object(defineProperty["a" /* default */])(target, key, source[key]);
      });
    } else if (Object.getOwnPropertyDescriptors) {
      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
    } else {
      build_module_ownKeys(Object(source)).forEach(function (key) {
        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
      });
    }
  }

return target;
}
/**
 * External dependencies
 */

/**
 * Internal dependencies
 */

// Expose history so all uses get the same history object.

// Export all filter utilities

/**
 * Internal dependencies
 */
// Import the module into itself. Functions consumed from this import can be mocked in tests.

/**
 * Get the current path from history.
 *
 * @return {string}  Current path.
 */

var build_module_getPath = function getPath() {
  return getHistory().location.pathname;
};
/**
 * Gets query parameters that should persist between screens or updates
 * to reports, such as filtering.
 *
 * @param {Object} query Query containing the parameters.
 * @return {Object} Object containing the persisted queries.
 */

function getSearchWords() {
  var query = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getQuery();

if (Object(esm_typeof["a" /* default */])(query) !== 'object') {
    throw new Error('Invalid parameter passed to getSearchWords, it expects an object or no parameters.');
  }

var search = query.search;

if (!search) {
    return [];
  }

if (typeof search !== 'string') {
    throw new Error("Invalid 'search' type. getSearchWords expects query's 'search' property to be a string.");
  }

return search.split(',').map(function (searchWord) {
    return searchWord.replace('%2C', ',');
  });
}
/**
 * Return a URL with set query parameters.
 *
 * @param {Object} query object of params to be updated.
 * @param {string} path Relative path (defaults to current path).
 * @param {Object} currentQuery object of current query params (defaults to current querystring).
 * @return {string}  Updated URL merging query params into existing params.
 */

function getNewPath(query) {
  var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : build_module_getPath();
  var currentQuery = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : getQuery();

var args = build_module_objectSpread({
    page: 'wc-admin'
  }, currentQuery, {}, query);

if (path !== '/') {
    args.path = path;
  }

return Object(external_this_wp_url_["addQueryArgs"])('admin.php', args);
}
/**
 * Get the current query string, parsed into an object, from history.
 *
 * @return {Object}  Current query object, defaults to empty object.
 */

function getQuery() {
  var search = getHistory().location.search;

if (search.length) {
    return Object(lib["parse"])(search.substring(1)) || {};
  }

return {};
}
/**
 * This function returns an event handler for the given `param`
 *
 * @param {string} param The parameter in the querystring which should be updated (ex `page`, `per_page`)
 * @param {string} path Relative path (defaults to current path).
 * @param {string} query object of current query params (defaults to current querystring).
 * @return {Function} A callback which will update `param` to the passed value when called.
 */

function onQueryChange(param) {
  var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : build_module_getPath();
  var query = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : getQuery();

switch (param) {
    case 'sort':
      return function (key, dir) {
        return updateQueryString({
          orderby: key,
          order: dir
        }, path, query);
      };

case 'compare':
      return function (key, queryParam, ids) {
        var _updateQueryString;

return updateQueryString((_updateQueryString = {}, Object(defineProperty["a" /* default */])(_updateQueryString, queryParam, "compare-".concat(key)), Object(defineProperty["a" /* default */])(_updateQueryString, key, ids), Object(defineProperty["a" /* default */])(_updateQueryString, "search", undefined), _updateQueryString), path, query);
      };

default:
      return function (value) {
        return updateQueryString(Object(defineProperty["a" /* default */])({}, param, value), path, query);
      };
  }
}
/**
 * Updates the query parameters of the current page.
 *
 * @param {Object} query object of params to be updated.
 * @param {string} path Relative path (defaults to current path).
 * @param {Object} currentQuery object of current query params (defaults to current querystring).
 */

function updateQueryString(query) {
  var path = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : build_module_getPath();
  var currentQuery = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : getQuery();
  var newPath = getNewPath(query, path, currentQuery);
  getHistory().push(newPath);
}

/***/ }),

/***/ 71:
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var has = Object.prototype.hasOwnProperty;
var isArray = Array.isArray;

var hexTable = (function () {
    var array = [];
    for (var i = 0; i < 256; ++i) {
        array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
    }

return array;
}());

var compactQueue = function compactQueue(queue) {
    while (queue.length > 1) {
        var item = queue.pop();
        var obj = item.obj[item.prop];

if (isArray(obj)) {
            var compacted = [];

for (var j = 0; j < obj.length; ++j) {
                if (typeof obj[j] !== 'undefined') {
                    compacted.push(obj[j]);
                }
            }

item.obj[item.prop] = compacted;
        }
    }
};

return obj;
};

var merge = function merge(target, source, options) {
    /* eslint no-param-reassign: 0 */
    if (!source) {
        return target;
    }

if (typeof source !== 'object') {
        if (isArray(target)) {
            target.push(source);
        } else if (target && typeof target === 'object') {
            if ((options && (options.plainObjects || options.allowPrototypes)) || !has.call(Object.prototype, source)) {
                target[source] = true;
            }
        } else {
            return [target, source];
        }

return target;
    }

if (!target || typeof target !== 'object') {
        return [target].concat(source);
    }

var mergeTarget = target;
    if (isArray(target) && !isArray(source)) {
        mergeTarget = arrayToObject(target, options);
    }

if (isArray(target) && isArray(source)) {
        source.forEach(function (item, i) {
            if (has.call(target, i)) {
                var targetItem = target[i];
                if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') {
                    target[i] = merge(targetItem, item, options);
                } else {
                    target.push(item);
                }
            } else {
                target[i] = item;
            }
        });
        return target;
    }

return Object.keys(source).reduce(function (acc, key) {
        var value = source[key];

if (has.call(acc, key)) {
            acc[key] = merge(acc[key], value, options);
        } else {
            acc[key] = value;
        }
        return acc;
    }, mergeTarget);
};

var assign = function assignSingleSource(target, source) {
    return Object.keys(source).reduce(function (acc, key) {
        acc[key] = source[key];
        return acc;
    }, target);
};

var encode = function encode(str, defaultEncoder, charset) {
    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
    // It has been adapted here for stricter adherence to RFC 3986
    if (str.length === 0) {
        return str;
    }

var string = str;
    if (typeof str === 'symbol') {
        string = Symbol.prototype.toString.call(str);
    } else if (typeof str !== 'string') {
        string = String(str);
    }

if (charset === 'iso-8859-1') {
        return escape(string).replace(/%u[0-9a-f]{4}/gi, function ($0) {
            return '%26%23' + parseInt($0.slice(2), 16) + '%3B';
        });
    }

var out = '';
    for (var i = 0; i < string.length; ++i) {
        var c = string.charCodeAt(i);

if (
            c === 0x2D // -
            || c === 0x2E // .
            || c === 0x5F // _
            || c === 0x7E // ~
            || (c >= 0x30 && c <= 0x39) // 0-9
            || (c >= 0x41 && c <= 0x5A) // a-z
            || (c >= 0x61 && c <= 0x7A) // A-Z
        ) {
            out += string.charAt(i);
            continue;
        }

if (c < 0x80) {
            out = out + hexTable[c];
            continue;
        }

if (c < 0x800) {
            out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);
            continue;
        }

if (c < 0xD800 || c >= 0xE000) {
            out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);
            continue;
        }

i += 1;
        c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));
        out += hexTable[0xF0 | (c >> 18)]
            + hexTable[0x80 | ((c >> 12) & 0x3F)]
            + hexTable[0x80 | ((c >> 6) & 0x3F)]
            + hexTable[0x80 | (c & 0x3F)];
    }

return out;
};

var compact = function compact(value) {
    var queue = [{ obj: { o: value }, prop: 'o' }];
    var refs = [];

for (var i = 0; i < queue.length; ++i) {
        var item = queue[i];
        var obj = item.obj[item.prop];

compactQueue(queue);

return value;
};

var isRegExp = function isRegExp(obj) {
    return Object.prototype.toString.call(obj) === '[object RegExp]';
};

var isBuffer = function isBuffer(obj) {
    if (!obj || typeof obj !== 'object') {
        return false;
    }

return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
};

var combine = function combine(a, b) {
    return [].concat(a, b);
};

module.exports = {
    arrayToObject: arrayToObject,
    assign: assign,
    combine: combine,
    compact: compact,
    decode: decode,
    encode: encode,
    isBuffer: isBuffer,
    isRegExp: isRegExp,
    merge: merge
};

/***/ }),

/***/ 78:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
var isProduction = "production" === 'production';
var prefix = 'Invariant failed';
function invariant(condition, message) {
    if (condition) {
        return;
    }
    if (isProduction) {
        throw new Error(prefix);
    }
    throw new Error(prefix + ": " + (message || ''));
}

/* harmony default export */ __webpack_exports__["a"] = (invariant);

/***/ }),

/***/ 86:
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var replace = String.prototype.replace;
var percentTwenties = /%20/g;

var util = __webpack_require__(71);

var Format = {
    RFC1738: 'RFC1738',
    RFC3986: 'RFC3986'
};

module.exports = util.assign(
    {
        'default': Format.RFC3986,
        formatters: {
            RFC1738: function (value) {
                return replace.call(value, percentTwenties, '+');
            },
            RFC3986: function (value) {
                return String(value);
            }
        }
    },
    Format
);

/***/ }),

/***/ 89:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _typeof; });
function _typeof(obj) {
  "@babel/helpers - typeof";

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

return _typeof(obj);
}

/***/ }),

/***/ 90:
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";

// EXPORTS
__webpack_require__.d(__webpack_exports__, "a", function() { return /* binding */ createBrowserHistory; });
__webpack_require__.d(__webpack_exports__, "c", function() { return /* binding */ createMemoryHistory; });
__webpack_require__.d(__webpack_exports__, "b", function() { return /* binding */ createLocation; });
__webpack_require__.d(__webpack_exports__, "e", function() { return /* binding */ locationsAreEqual; });
__webpack_require__.d(__webpack_exports__, "d", function() { return /* binding */ createPath; });

// UNUSED EXPORTS: createHashHistory, parsePath

// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/extends.js
var esm_extends = __webpack_require__(11);

// CONCATENATED MODULE: ./node_modules/resolve-pathname/esm/resolve-pathname.js
function isAbsolute(pathname) {
  return pathname.charAt(0) === '/';
}

// About 1.5x faster than the two-arg version of Array#splice()
function spliceOne(list, index) {
  for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) {
    list[i] = list[k];
  }

list.pop();
}

// This implementation is based heavily on node's url.parse
function resolvePathname(to, from) {
  if (from === undefined) from = '';

var toParts = (to && to.split('/')) || [];
  var fromParts = (from && from.split('/')) || [];

var isToAbs = to && isAbsolute(to);
  var isFromAbs = from && isAbsolute(from);
  var mustEndAbs = isToAbs || isFromAbs;

if (to && isAbsolute(to)) {
    // to is absolute
    fromParts = toParts;
  } else if (toParts.length) {
    // to is relative, drop the filename
    fromParts.pop();
    fromParts = fromParts.concat(toParts);
  }

if (!fromParts.length) return '/';

var hasTrailingSlash;
  if (fromParts.length) {
    var last = fromParts[fromParts.length - 1];
    hasTrailingSlash = last === '.' || last === '..' || last === '';
  } else {
    hasTrailingSlash = false;
  }

var up = 0;
  for (var i = fromParts.length; i >= 0; i--) {
    var part = fromParts[i];

if (part === '.') {
      spliceOne(fromParts, i);
    } else if (part === '..') {
      spliceOne(fromParts, i);
      up++;
    } else if (up) {
      spliceOne(fromParts, i);
      up--;
    }
  }

if (!mustEndAbs) for (; up--; up) fromParts.unshift('..');

if (
    mustEndAbs &&
    fromParts[0] !== '' &&
    (!fromParts[0] || !isAbsolute(fromParts[0]))
  )
    fromParts.unshift('');

var result = fromParts.join('/');

if (hasTrailingSlash && result.substr(-1) !== '/') result += '/';

return result;
}

/* harmony default export */ var resolve_pathname = (resolvePathname);

// CONCATENATED MODULE: ./node_modules/value-equal/esm/value-equal.js
function value_equal_valueOf(obj) {
  return obj.valueOf ? obj.valueOf() : Object.prototype.valueOf.call(obj);
}

function valueEqual(a, b) {
  // Test for strict equality first.
  if (a === b) return true;

// Otherwise, if either of them == null they are not equal.
  if (a == null || b == null) return false;

if (Array.isArray(a)) {
    return (
      Array.isArray(b) &&
      a.length === b.length &&
      a.every(function(item, index) {
        return valueEqual(item, b[index]);
      })
    );
  }

if (typeof a === 'object' || typeof b === 'object') {
    var aValue = value_equal_valueOf(a);
    var bValue = value_equal_valueOf(b);

if (aValue !== a || bValue !== b) return valueEqual(aValue, bValue);

return Object.keys(Object.assign({}, a, b)).every(function(key) {
      return valueEqual(a[key], b[key]);
    });
  }

return false;
}

/* harmony default export */ var value_equal = (valueEqual);

// EXTERNAL MODULE: ./node_modules/tiny-invariant/dist/tiny-invariant.esm.js
var tiny_invariant_esm = __webpack_require__(78);

// CONCATENATED MODULE: ./node_modules/history/esm/history.js

if (hashIndex !== -1) {
    hash = pathname.substr(hashIndex);
    pathname = pathname.substr(0, hashIndex);
  }

var searchIndex = pathname.indexOf('?');

if (searchIndex !== -1) {
    search = pathname.substr(searchIndex);
    pathname = pathname.substr(0, searchIndex);
  }

return {
    pathname: pathname,
    search: search === '?' ? '' : search,
    hash: hash === '#' ? '' : hash
  };
}
function createPath(location) {
  var pathname = location.pathname,
      search = location.search,
      hash = location.hash;
  var path = pathname || '/';
  if (search && search !== '?') path += search.charAt(0) === '?' ? search : "?" + search;
  if (hash && hash !== '#') path += hash.charAt(0) === '#' ? hash : "#" + hash;
  return path;
}

function createLocation(path, state, key, currentLocation) {
  var location;

if (typeof path === 'string') {
    // Two-arg form: push(path, state)
    location = parsePath(path);
    location.state = state;
  } else {
    // One-arg form: push(location)
    location = Object(esm_extends["a" /* default */])({}, path);
    if (location.pathname === undefined) location.pathname = '';

if (location.search) {
      if (location.search.charAt(0) !== '?') location.search = '?' + location.search;
    } else {
      location.search = '';
    }

if (location.hash) {
      if (location.hash.charAt(0) !== '#') location.hash = '#' + location.hash;
    } else {
      location.hash = '';
    }

if (state !== undefined && location.state === undefined) location.state = state;
  }

try {
    location.pathname = decodeURI(location.pathname);
  } catch (e) {
    if (e instanceof URIError) {
      throw new URIError('Pathname "' + location.pathname + '" could not be decoded. ' + 'This is likely caused by an invalid percent-encoding.');
    } else {
      throw e;
    }
  }

if (key) location.key = key;

if (currentLocation) {
    // Resolve incomplete/relative pathname relative to current location.
    if (!location.pathname) {
      location.pathname = currentLocation.pathname;
    } else if (location.pathname.charAt(0) !== '/') {
      location.pathname = resolve_pathname(location.pathname, currentLocation.pathname);
    }
  } else {
    // When there is no prior location and pathname is empty, set it to /
    if (!location.pathname) {
      location.pathname = '/';
    }
  }

return location;
}
function locationsAreEqual(a, b) {
  return a.pathname === b.pathname && a.search === b.search && a.hash === b.hash && a.key === b.key && value_equal(a.state, b.state);
}

function createTransitionManager() {
  var prompt = null;

function setPrompt(nextPrompt) {
     false ? undefined : void 0;
    prompt = nextPrompt;
    return function () {
      if (prompt === nextPrompt) prompt = null;
    };
  }

function confirmTransitionTo(location, action, getUserConfirmation, callback) {
    // TODO: If another transition starts while we're still confirming
    // the previous one, we may end up in a weird state. Figure out the
    // best way to handle this.
    if (prompt != null) {
      var result = typeof prompt === 'function' ? prompt(location, action) : prompt;

if (typeof result === 'string') {
        if (typeof getUserConfirmation === 'function') {
          getUserConfirmation(result, callback);
        } else {
           false ? undefined : void 0;
          callback(true);
        }
      } else {
        // Return false from a transition hook to cancel the transition.
        callback(result !== false);
      }
    } else {
      callback(true);
    }
  }

var listeners = [];

function appendListener(fn) {
    var isActive = true;

function listener() {
      if (isActive) fn.apply(void 0, arguments);
    }

listeners.push(listener);
    return function () {
      isActive = false;
      listeners = listeners.filter(function (item) {
        return item !== listener;
      });
    };
  }

function notifyListeners() {
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

listeners.forEach(function (listener) {
      return listener.apply(void 0, args);
    });
  }

return {
    setPrompt: setPrompt,
    confirmTransitionTo: confirmTransitionTo,
    appendListener: appendListener,
    notifyListeners: notifyListeners
  };
}

var canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);
function getConfirmation(message, callback) {
  callback(window.confirm(message)); // eslint-disable-line no-alert
}
/**
 * Returns true if the HTML5 history API is supported. Taken from Modernizr.
 *
 * https://github.com/Modernizr/Modernizr/blob/master/LICENSE
 * https://github.com/Modernizr/Modernizr/blob/master/feature-detects/history.js
 * changed to avoid false negatives for Windows Phones: https://github.com/reactjs/react-router/issues/586
 */

function supportsHistory() {
  var ua = window.navigator.userAgent;
  if ((ua.indexOf('Android 2.') !== -1 || ua.indexOf('Android 4.0') !== -1) && ua.indexOf('Mobile Safari') !== -1 && ua.indexOf('Chrome') === -1 && ua.indexOf('Windows Phone') === -1) return false;
  return window.history && 'pushState' in window.history;
}
/**
 * Returns true if browser fires popstate on hash change.
 * IE10 and IE11 do not.
 */

function supportsPopStateOnHashChange() {
  return window.navigator.userAgent.indexOf('Trident') === -1;
}
/**
 * Returns false if using go(n) with hash history causes a full page reload.
 */

function supportsGoWithoutReloadUsingHash() {
  return window.navigator.userAgent.indexOf('Firefox') === -1;
}
/**
 * Returns true if a given popstate event is an extraneous WebKit event.
 * Accounts for the fact that Chrome on iOS fires real popstate events
 * containing undefined state when pressing the back button.
 */

function isExtraneousPopstateEvent(event) {
  return event.state === undefined && navigator.userAgent.indexOf('CriOS') === -1;
}

var PopStateEvent = 'popstate';
var HashChangeEvent = 'hashchange';

function getHistoryState() {
  try {
    return window.history.state || {};
  } catch (e) {
    // IE 11 sometimes throws when accessing window.history.state
    // See https://github.com/ReactTraining/history/pull/289
    return {};
  }
}
/**
 * Creates a history object that uses the HTML5 history API including
 * pushState, replaceState, and the popstate event.
 */

function createBrowserHistory(props) {
  if (props === void 0) {
    props = {};
  }

!canUseDOM ?  false ? undefined : Object(tiny_invariant_esm["a" /* default */])(false) : void 0;
  var globalHistory = window.history;
  var canUseHistory = supportsHistory();
  var needsHashChangeListener = !supportsPopStateOnHashChange();
  var _props = props,
      _props$forceRefresh = _props.forceRefresh,
      forceRefresh = _props$forceRefresh === void 0 ? false : _props$forceRefresh,
      _props$getUserConfirm = _props.getUserConfirmation,
      getUserConfirmation = _props$getUserConfirm === void 0 ? getConfirmation : _props$getUserConfirm,
      _props$keyLength = _props.keyLength,
      keyLength = _props$keyLength === void 0 ? 6 : _props$keyLength;
  var basename = props.basename ? stripTrailingSlash(addLeadingSlash(props.basename)) : '';

function getDOMLocation(historyState) {
    var _ref = historyState || {},
        key = _ref.key,
        state = _ref.state;

var _window$location = window.location,
        pathname = _window$location.pathname,
        search = _window$location.search,
        hash = _window$location.hash;
    var path = pathname + search + hash;
     false ? undefined : void 0;
    if (basename) path = stripBasename(path, basename);
    return createLocation(path, state, key);
  }

function createKey() {
    return Math.random().toString(36).substr(2, keyLength);
  }

var transitionManager = createTransitionManager();

function setState(nextState) {
    Object(esm_extends["a" /* default */])(history, nextState);

history.length = globalHistory.length;
    transitionManager.notifyListeners(history.location, history.action);
  }

function handlePopState(event) {
    // Ignore extraneous popstate events in WebKit.
    if (isExtraneousPopstateEvent(event)) return;
    handlePop(getDOMLocation(event.state));
  }

function handleHashChange() {
    handlePop(getDOMLocation(getHistoryState()));
  }

var forceNextPop = false;

function revertPop(fromLocation) {
    var toLocation = history.location; // TODO: We could probably make this more reliable by
    // keeping a list of keys we've seen in sessionStorage.
    // Instead, we just default to 0 for keys we don't know.

var toIndex = allKeys.indexOf(toLocation.key);
    if (toIndex === -1) toIndex = 0;
    var fromIndex = allKeys.indexOf(fromLocation.key);
    if (fromIndex === -1) fromIndex = 0;
    var delta = toIndex - fromIndex;

if (delta) {
      forceNextPop = true;
      go(delta);
    }
  }

var initialLocation = getDOMLocation(getHistoryState());
  var allKeys = [initialLocation.key]; // Public interface

function createHref(location) {
    return basename + createPath(location);
  }

function push(path, state) {
     false ? undefined : void 0;
    var action = 'PUSH';
    var location = createLocation(path, state, createKey(), history.location);
    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
      if (!ok) return;
      var href = createHref(location);
      var key = location.key,
          state = location.state;

if (canUseHistory) {
        globalHistory.pushState({
          key: key,
          state: state
        }, null, href);

if (forceRefresh) {
          window.location.href = href;
        } else {
          var prevIndex = allKeys.indexOf(history.location.key);
          var nextKeys = allKeys.slice(0, prevIndex + 1);
          nextKeys.push(location.key);
          allKeys = nextKeys;
          setState({
            action: action,
            location: location
          });
        }
      } else {
         false ? undefined : void 0;
        window.location.href = href;
      }
    });
  }

function replace(path, state) {
     false ? undefined : void 0;
    var action = 'REPLACE';
    var location = createLocation(path, state, createKey(), history.location);
    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
      if (!ok) return;
      var href = createHref(location);
      var key = location.key,
          state = location.state;

if (canUseHistory) {
        globalHistory.replaceState({
          key: key,
          state: state
        }, null, href);

if (forceRefresh) {
          window.location.replace(href);
        } else {
          var prevIndex = allKeys.indexOf(history.location.key);
          if (prevIndex !== -1) allKeys[prevIndex] = location.key;
          setState({
            action: action,
            location: location
          });
        }
      } else {
         false ? undefined : void 0;
        window.location.replace(href);
      }
    });
  }

function go(n) {
    globalHistory.go(n);
  }

function goBack() {
    go(-1);
  }

function goForward() {
    go(1);
  }

var listenerCount = 0;

function checkDOMListeners(delta) {
    listenerCount += delta;

if (listenerCount === 1 && delta === 1) {
      window.addEventListener(PopStateEvent, handlePopState);
      if (needsHashChangeListener) window.addEventListener(HashChangeEvent, handleHashChange);
    } else if (listenerCount === 0) {
      window.removeEventListener(PopStateEvent, handlePopState);
      if (needsHashChangeListener) window.removeEventListener(HashChangeEvent, handleHashChange);
    }
  }

var isBlocked = false;

function block(prompt) {
    if (prompt === void 0) {
      prompt = false;
    }

var unblock = transitionManager.setPrompt(prompt);

if (!isBlocked) {
      checkDOMListeners(1);
      isBlocked = true;
    }

return function () {
      if (isBlocked) {
        isBlocked = false;
        checkDOMListeners(-1);
      }

return unblock();
    };
  }

function listen(listener) {
    var unlisten = transitionManager.appendListener(listener);
    checkDOMListeners(1);
    return function () {
      checkDOMListeners(-1);
      unlisten();
    };
  }

var history = {
    length: globalHistory.length,
    action: 'POP',
    location: initialLocation,
    createHref: createHref,
    push: push,
    replace: replace,
    go: go,
    goBack: goBack,
    goForward: goForward,
    block: block,
    listen: listen
  };
  return history;
}

function stripHash(url) {
  var hashIndex = url.indexOf('#');
  return hashIndex === -1 ? url : url.slice(0, hashIndex);
}

function getHashPath() {
  // We can't use window.location.hash here because it's not
  // consistent across browsers - Firefox will pre-decode it!
  var href = window.location.href;
  var hashIndex = href.indexOf('#');
  return hashIndex === -1 ? '' : href.substring(hashIndex + 1);
}

function pushHashPath(path) {
  window.location.hash = path;
}

function replaceHashPath(path) {
  window.location.replace(stripHash(window.location.href) + '#' + path);
}

function createHashHistory(props) {
  if (props === void 0) {
    props = {};
  }

!canUseDOM ?  false ? undefined : Object(tiny_invariant_esm["a" /* default */])(false) : void 0;
  var globalHistory = window.history;
  var canGoWithoutReload = supportsGoWithoutReloadUsingHash();
  var _props = props,
      _props$getUserConfirm = _props.getUserConfirmation,
      getUserConfirmation = _props$getUserConfirm === void 0 ? getConfirmation : _props$getUserConfirm,
      _props$hashType = _props.hashType,
      hashType = _props$hashType === void 0 ? 'slash' : _props$hashType;
  var basename = props.basename ? stripTrailingSlash(addLeadingSlash(props.basename)) : '';
  var _HashPathCoders$hashT = HashPathCoders[hashType],
      encodePath = _HashPathCoders$hashT.encodePath,
      decodePath = _HashPathCoders$hashT.decodePath;

function getDOMLocation() {
    var path = decodePath(getHashPath());
     false ? undefined : void 0;
    if (basename) path = stripBasename(path, basename);
    return createLocation(path);
  }

var transitionManager = createTransitionManager();

function setState(nextState) {
    Object(esm_extends["a" /* default */])(history, nextState);

history.length = globalHistory.length;
    transitionManager.notifyListeners(history.location, history.action);
  }

var forceNextPop = false;
  var ignorePath = null;

function locationsAreEqual$$1(a, b) {
    return a.pathname === b.pathname && a.search === b.search && a.hash === b.hash;
  }

function handleHashChange() {
    var path = getHashPath();
    var encodedPath = encodePath(path);

if (path !== encodedPath) {
      // Ensure we always have a properly-encoded hash.
      replaceHashPath(encodedPath);
    } else {
      var location = getDOMLocation();
      var prevLocation = history.location;
      if (!forceNextPop && locationsAreEqual$$1(prevLocation, location)) return; // A hashchange doesn't always == location change.

if (ignorePath === createPath(location)) return; // Ignore this change; we already setState in push/replace.

ignorePath = null;
      handlePop(location);
    }
  }

function revertPop(fromLocation) {
    var toLocation = history.location; // TODO: We could probably make this more reliable by
    // keeping a list of paths we've seen in sessionStorage.
    // Instead, we just default to 0 for paths we don't know.

var toIndex = allPaths.lastIndexOf(createPath(toLocation));
    if (toIndex === -1) toIndex = 0;
    var fromIndex = allPaths.lastIndexOf(createPath(fromLocation));
    if (fromIndex === -1) fromIndex = 0;
    var delta = toIndex - fromIndex;

if (delta) {
      forceNextPop = true;
      go(delta);
    }
  } // Ensure the hash is encoded properly before doing anything else.

var path = getHashPath();
  var encodedPath = encodePath(path);
  if (path !== encodedPath) replaceHashPath(encodedPath);
  var initialLocation = getDOMLocation();
  var allPaths = [createPath(initialLocation)]; // Public interface

function createHref(location) {
    var baseTag = document.querySelector('base');
    var href = '';

if (baseTag && baseTag.getAttribute('href')) {
      href = stripHash(window.location.href);
    }

return href + '#' + encodePath(basename + createPath(location));
  }

function push(path, state) {
     false ? undefined : void 0;
    var action = 'PUSH';
    var location = createLocation(path, undefined, undefined, history.location);
    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
      if (!ok) return;
      var path = createPath(location);
      var encodedPath = encodePath(basename + path);
      var hashChanged = getHashPath() !== encodedPath;

if (hashChanged) {
        // We cannot tell if a hashchange was caused by a PUSH, so we'd
        // rather setState here and ignore the hashchange. The caveat here
        // is that other hash histories in the page will consider it a POP.
        ignorePath = path;
        pushHashPath(encodedPath);
        var prevIndex = allPaths.lastIndexOf(createPath(history.location));
        var nextPaths = allPaths.slice(0, prevIndex + 1);
        nextPaths.push(path);
        allPaths = nextPaths;
        setState({
          action: action,
          location: location
        });
      } else {
         false ? undefined : void 0;
        setState();
      }
    });
  }

function replace(path, state) {
     false ? undefined : void 0;
    var action = 'REPLACE';
    var location = createLocation(path, undefined, undefined, history.location);
    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
      if (!ok) return;
      var path = createPath(location);
      var encodedPath = encodePath(basename + path);
      var hashChanged = getHashPath() !== encodedPath;

if (hashChanged) {
        // We cannot tell if a hashchange was caused by a REPLACE, so we'd
        // rather setState here and ignore the hashchange. The caveat here
        // is that other hash histories in the page will consider it a POP.
        ignorePath = path;
        replaceHashPath(encodedPath);
      }

var prevIndex = allPaths.indexOf(createPath(history.location));
      if (prevIndex !== -1) allPaths[prevIndex] = path;
      setState({
        action: action,
        location: location
      });
    });
  }

function go(n) {
     false ? undefined : void 0;
    globalHistory.go(n);
  }

function goBack() {
    go(-1);
  }

function goForward() {
    go(1);
  }

var listenerCount = 0;

function checkDOMListeners(delta) {
    listenerCount += delta;

if (listenerCount === 1 && delta === 1) {
      window.addEventListener(HashChangeEvent$1, handleHashChange);
    } else if (listenerCount === 0) {
      window.removeEventListener(HashChangeEvent$1, handleHashChange);
    }
  }

var isBlocked = false;

function block(prompt) {
    if (prompt === void 0) {
      prompt = false;
    }

var unblock = transitionManager.setPrompt(prompt);

if (!isBlocked) {
      checkDOMListeners(1);
      isBlocked = true;
    }

return function () {
      if (isBlocked) {
        isBlocked = false;
        checkDOMListeners(-1);
      }

return unblock();
    };
  }

function listen(listener) {
    var unlisten = transitionManager.appendListener(listener);
    checkDOMListeners(1);
    return function () {
      checkDOMListeners(-1);
      unlisten();
    };
  }

function clamp(n, lowerBound, upperBound) {
  return Math.min(Math.max(n, lowerBound), upperBound);
}
/**
 * Creates a history object that stores locations in memory.
 */

function createMemoryHistory(props) {
  if (props === void 0) {
    props = {};
  }

var _props = props,
      getUserConfirmation = _props.getUserConfirmation,
      _props$initialEntries = _props.initialEntries,
      initialEntries = _props$initialEntries === void 0 ? ['/'] : _props$initialEntries,
      _props$initialIndex = _props.initialIndex,
      initialIndex = _props$initialIndex === void 0 ? 0 : _props$initialIndex,
      _props$keyLength = _props.keyLength,
      keyLength = _props$keyLength === void 0 ? 6 : _props$keyLength;
  var transitionManager = createTransitionManager();

function setState(nextState) {
    Object(esm_extends["a" /* default */])(history, nextState);

history.length = history.entries.length;
    transitionManager.notifyListeners(history.location, history.action);
  }

function createKey() {
    return Math.random().toString(36).substr(2, keyLength);
  }

var index = clamp(initialIndex, 0, initialEntries.length - 1);
  var entries = initialEntries.map(function (entry) {
    return typeof entry === 'string' ? createLocation(entry, undefined, createKey()) : createLocation(entry, undefined, entry.key || createKey());
  }); // Public interface

var createHref = createPath;

function push(path, state) {
     false ? undefined : void 0;
    var action = 'PUSH';
    var location = createLocation(path, state, createKey(), history.location);
    transitionManager.confirmTransitionTo(location, action, getUserConfirmation, function (ok) {
      if (!ok) return;
      var prevIndex = history.index;
      var nextIndex = prevIndex + 1;
      var nextEntries = history.entries.slice(0);

if (nextEntries.length > nextIndex) {
        nextEntries.splice(nextIndex, nextEntries.length - nextIndex, location);
      } else {
        nextEntries.push(location);
      }

setState({
        action: action,
        location: location,
        index: nextIndex,
        entries: nextEntries
      });
    });
  }

function goBack() {
    go(-1);
  }

function goForward() {
    go(1);
  }

function canGo(n) {
    var nextIndex = history.index + n;
    return nextIndex >= 0 && nextIndex < history.entries.length;
  }

function block(prompt) {
    if (prompt === void 0) {
      prompt = false;
    }

return transitionManager.setPrompt(prompt);
  }

function listen(listener) {
    return transitionManager.appendListener(listener);
  }

var history = {
    length: entries.length,
    action: 'POP',
    location: entries[index],
    index: index,
    entries: entries,
    createHref: createHref,
    push: push,
    replace: replace,
    go: go,
    goBack: goBack,
    goForward: goForward,
    canGo: canGo,
    block: block,
    listen: listen
  };
  return history;
}

/***/ })

/******/ });

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[-] index.js [edit]