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{ History } from 'aurelia-history';\nimport { DOM, PLATFORM } from 'aurelia-pal';\n\n/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation. All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n    extendStatics = Object.setPrototypeOf ||\r\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n    return extendStatics(d, b);\r\n};\r\n\r\nfunction __extends(d, b) {\r\n    extendStatics(d, b);\r\n    function __() { this.constructor = d; }\r\n    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\n\nvar LinkHandler = (function () {\r\n    function LinkHandler() {\r\n    }\r\n    LinkHandler.prototype.activate = function (history) { };\r\n    LinkHandler.prototype.deactivate = function () { };\r\n    return LinkHandler;\r\n}());\r\nvar DefaultLinkHandler = (function (_super) {\r\n    __extends(DefaultLinkHandler, _super);\r\n    function DefaultLinkHandler() {\r\n        var _this = _super.call(this) || this;\r\n        _this.handler = function (e) {\r\n            var _a = DefaultLinkHandler.getEventInfo(e), shouldHandleEvent = _a.shouldHandleEvent, href = _a.href;\r\n            if (shouldHandleEvent) {\r\n                e.preventDefault();\r\n                _this.history.navigate(href);\r\n            }\r\n        };\r\n        return _this;\r\n    }\r\n    DefaultLinkHandler.prototype.activate = function (history) {\r\n        if (history._hasPushState) {\r\n            this.history = history;\r\n            DOM.addEventListener('click', this.handler, true);\r\n        }\r\n    };\r\n    DefaultLinkHandler.prototype.deactivate = function () {\r\n        DOM.removeEventListener('click', this.handler, true);\r\n    };\r\n    DefaultLinkHandler.getEventInfo = function (event) {\r\n        var $event = event;\r\n        var info = {\r\n            shouldHandleEvent: false,\r\n            href: null,\r\n            anchor: null\r\n        };\r\n        var target = DefaultLinkHandler.findClosestAnchor($event.target);\r\n        if (!target || !DefaultLinkHandler.targetIsThisWindow(target)) {\r\n            return info;\r\n        }\r\n        if (hasAttribute(target, 'download')\r\n            || hasAttribute(target, 'router-ignore')\r\n            || hasAttribute(target, 'data-router-ignore')) {\r\n            return info;\r\n        }\r\n        if ($event.altKey || $event.ctrlKey || $event.metaKey || $event.shiftKey) {\r\n            return info;\r\n        }\r\n        var href = target.getAttribute('href');\r\n        info.anchor = target;\r\n        info.href = href;\r\n        var leftButtonClicked = $event.which === 1;\r\n        var isRelative = href && !(href.charAt(0) === '#' || (/^[a-z]+:/i).test(href));\r\n        info.shouldHandleEvent = leftButtonClicked && isRelative;\r\n        return info;\r\n    };\r\n    DefaultLinkHandler.findClosestAnchor = function (el) {\r\n        while (el) {\r\n            if (el.tagName === 'A') {\r\n                return el;\r\n            }\r\n            el = el.parentNode;\r\n        }\r\n    };\r\n    DefaultLinkHandler.targetIsThisWindow = function (target) {\r\n        var targetWindow = target.getAttribute('target');\r\n        var win = PLATFORM.global;\r\n        return !targetWindow ||\r\n            targetWindow === win.name ||\r\n            targetWindow === '_self';\r\n    };\r\n    return DefaultLinkHandler;\r\n}(LinkHandler));\r\nvar hasAttribute = function (el, attr) { return el.hasAttribute(attr); };\n\nvar BrowserHistory = (function (_super) {\r\n    __extends(BrowserHistory, _super);\r\n    function BrowserHistory(linkHandler) {\r\n        var _this = _super.call(this) || this;\r\n        _this._isActive = false;\r\n        _this._checkUrlCallback = _this._checkUrl.bind(_this);\r\n        _this.location = PLATFORM.location;\r\n        _this.history = PLATFORM.history;\r\n        _this.linkHandler = linkHandler;\r\n        return _this;\r\n    }\r\n    BrowserHistory.prototype.activate = function (options) {\r\n        if (this._isActive) {\r\n            throw new Error('History has already been activated.');\r\n        }\r\n        var $history = this.history;\r\n        var wantsPushState = !!options.pushState;\r\n        this._isActive = true;\r\n        var normalizedOptions = this.options = Object.assign({}, { root: '/' }, this.options, options);\r\n        var rootUrl = this.root = ('/' + normalizedOptions.root + '/').replace(rootStripper, '/');\r\n        var wantsHashChange = this._wantsHashChange = normalizedOptions.hashChange !== false;\r\n        var hasPushState = this._hasPushState = !!(normalizedOptions.pushState && $history && $history.pushState);\r\n        var eventName;\r\n        if (hasPushState) {\r\n            eventName = 'popstate';\r\n        }\r\n        else if (wantsHashChange) {\r\n            eventName = 'hashchange';\r\n        }\r\n        PLATFORM.addEventListener(eventName, this._checkUrlCallback);\r\n        if (wantsHashChange && wantsPushState) {\r\n            var $location = this.location;\r\n            var atRoot = $location.pathname.replace(/[^\\/]$/, '$&/') === rootUrl;\r\n            if (!hasPushState && !atRoot) {\r\n                var fragment = this.fragment = this._getFragment(null, true);\r\n                $location.replace(rootUrl + $location.search + '#' + fragment);\r\n                return true;\r\n            }\r\n            else if (hasPushState && atRoot && $location.hash) {\r\n                var fragment = this.fragment = this._getHash().replace(routeStripper, '');\r\n                $history.replaceState({}, DOM.title, rootUrl + fragment + $location.search);\r\n            }\r\n        }\r\n        if (!this.fragment) {\r\n            this.fragment = this._getFragment('');\r\n        }\r\n        this.linkHandler.activate(this);\r\n        if (!normalizedOptions.silent) {\r\n            return this._loadUrl('');\r\n        }\r\n    };\r\n    BrowserHistory.prototype.deactivate = function () {\r\n        var handler = this._checkUrlCallback;\r\n        PLATFORM.removeEventListener('popstate', handler);\r\n        PLATFORM.removeEventListener('hashchange', handler);\r\n        this._isActive = false;\r\n        this.linkHandler.deactivate();\r\n    };\r\n    BrowserHistory.prototype.getAbsoluteRoot = function () {\r\n        var $location = this.location;\r\n        var origin = createOrigin($location.protocol, $location.hostname, $location.port);\r\n        return \"\" + origin + this.root;\r\n    };\r\n    BrowserHistory.prototype.navigate = function (fragment, _a) {\r\n        var _b = _a === void 0 ? {} : _a, _c = _b.trigger, trigger = _c === void 0 ? true : _c, _d = _b.replace, replace = _d === void 0 ? false : _d;\r\n        var location = this.location;\r\n        if (fragment && absoluteUrl.test(fragment)) {\r\n            location.href = fragment;\r\n            return true;\r\n        }\r\n        if (!this._isActive) {\r\n            return false;\r\n        }\r\n        fragment = this._getFragment(fragment || '');\r\n        if (this.fragment === fragment && !replace) {\r\n            return false;\r\n        }\r\n        this.fragment = fragment;\r\n        var url = this.root + fragment;\r\n        if (fragment === '' && url !== '/') {\r\n            url = url.slice(0, -1);\r\n        }\r\n        if (this._hasPushState) {\r\n            url = url.replace('//', '/');\r\n            this.history[replace ? 'replaceState' : 'pushState']({}, DOM.title, url);\r\n        }\r\n        else if (this._wantsHashChange) {\r\n            updateHash(location, fragment, replace);\r\n        }\r\n        else {\r\n            location.assign(url);\r\n        }\r\n        if (trigger) {\r\n            return this._loadUrl(fragment);\r\n        }\r\n        return true;\r\n    };\r\n    BrowserHistory.prototype.navigateBack = function () {\r\n        this.history.back();\r\n    };\r\n    BrowserHistory.prototype.setTitle = function (title) {\r\n        DOM.title = title;\r\n    };\r\n    BrowserHistory.prototype.setState = function (key, value) {\r\n        var $history = this.history;\r\n        var state = Object.assign({}, $history.state);\r\n        var _a = this.location, pathname = _a.pathname, search = _a.search, hash = _a.hash;\r\n        state[key] = value;\r\n        $history.replaceState(state, null, \"\" + pathname + search + hash);\r\n    };\r\n    BrowserHistory.prototype.getState = function (key) {\r\n        var state = Object.assign({}, this.history.state);\r\n        return state[key];\r\n    };\r\n    BrowserHistory.prototype.getHistoryIndex = function () {\r\n        var historyIndex = this.getState('HistoryIndex');\r\n        if (historyIndex === undefined) {\r\n            historyIndex = this.history.length - 1;\r\n            this.setState('HistoryIndex', historyIndex);\r\n        }\r\n        return historyIndex;\r\n    };\r\n    BrowserHistory.prototype.go = function (movement) {\r\n        this.history.go(movement);\r\n    };\r\n    BrowserHistory.prototype._getHash = function () {\r\n        return this.location.hash.substr(1);\r\n    };\r\n    BrowserHistory.prototype._getFragment = function (fragment, forcePushState) {\r\n        var rootUrl;\r\n        if (!fragment) {\r\n            if (this._hasPushState || !this._wantsHashChange || forcePushState) {\r\n                var location_1 = this.location;\r\n                fragment = location_1.pathname + location_1.search;\r\n                rootUrl = this.root.replace(trailingSlash, '');\r\n                if (!fragment.indexOf(rootUrl)) {\r\n                    fragment = fragment.substr(rootUrl.length);\r\n                }\r\n            }\r\n            else {\r\n                fragment = this._getHash();\r\n            }\r\n        }\r\n        return '/' + fragment.replace(routeStripper, '');\r\n    };\r\n    BrowserHistory.prototype._checkUrl = function () {\r\n        var current = this._getFragment('');\r\n        if (current !== this.fragment) {\r\n            this._loadUrl('');\r\n        }\r\n    };\r\n    BrowserHistory.prototype._loadUrl = function (fragmentOverride) {\r\n        var fragment = this.fragment = this._getFragment(fragmentOverride);\r\n        return this.options.routeHandler ?\r\n            this.options.routeHandler(fragment) :\r\n            false;\r\n    };\r\n    BrowserHistory.inject = [LinkHandler];\r\n    return BrowserHistory;\r\n}(History));\r\nvar routeStripper = /^#?\\/*|\\s+$/g;\r\nvar rootStripper = /^\\/+|\\/+$/g;\r\nvar trailingSlash = /\\/$/;\r\nvar absoluteUrl = /^([a-z][a-z0-9+\\-.]*:)?\\/\\//i;\r\nfunction updateHash($location, fragment, replace) {\r\n    if (replace) {\r\n        var href = $location.href.replace(/(javascript:|#).*$/, '');\r\n        $location.replace(href + '#' + fragment);\r\n    }\r\n    else {\r\n        $location.hash = '#' + fragment;\r\n    }\r\n}\r\nfunction createOrigin(protocol, hostname, port) {\r\n    return protocol + \"//\" + hostname + (port ? ':' + port : '');\r\n}\n\nfunction configure(config) {\r\n    var $config = config;\r\n    $config.singleton(History, BrowserHistory);\r\n    $config.transient(LinkHandler, DefaultLinkHandler);\r\n}\n\nexport { BrowserHistory, DefaultLinkHandler, LinkHandler, configure };\n//# sourceMappingURL=aurelia-history-browser.js.map\n"],"sourceRoot":""}