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phillipskevinphillipskevin
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3.4.1
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‎dist/amd/can-route-pushstate.js

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/*can-route-pushstate@3.4.0#can-route-pushstate*/
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define([
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'require',
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'exports',
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'module',
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'can-util/js/is-node',
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'can-util/js/assign',
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'can-util/js/each',
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'can-util/js/make-array',
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'can-util/js/diff-object',
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'can-util/namespace',
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'can-globals/location',
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'can-event',
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'can-route'
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], function (require, exports, module) {
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(function (global, require, exports, module) {
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'use strict';
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var isNode = require('can-util/js/is-node');
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var extend = require('can-util/js/assign');
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var each = require('can-util/js/each');
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var makeArray = require('can-util/js/make-array');
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var diffObject = require('can-util/js/diff-object');
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var namespace = require('can-util/namespace');
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var LOCATION = require('can-globals/location');
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var canEvent = require('can-event');
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var route = require('can-route');
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var hasPushstate = window.history && window.history.pushState;
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var loc = LOCATION();
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var validProtocols = {
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'http:': true,
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'https:': true,
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'': true
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};
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var usePushStateRouting = hasPushstate && loc && validProtocols[loc.protocol];
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if (usePushStateRouting) {
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route.bindings.pushstate = {
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root: '/',
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matchSlashes: false,
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paramsMatcher: /^\?(?:[^=]+=[^&]*&)*[^=]+=[^&]*/,
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querySeparator: '?',
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bind: function () {
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if (isNode()) {
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return;
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}
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canEvent.on.call(document.documentElement, 'click', 'a', anchorClickHandler);
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each(methodsToOverwrite, function (method) {
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originalMethods[method] = window.history[method];
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window.history[method] = function (state, title, url) {
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var absolute = url.indexOf('http') === 0;
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var loc = LOCATION();
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var searchHash = loc.search + loc.hash;
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if (!absolute && url !== loc.pathname + searchHash || absolute && url !== loc.href + searchHash) {
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originalMethods[method].apply(window.history, arguments);
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route.setState();
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}
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};
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});
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canEvent.on.call(window, 'popstate', route.setState);
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},
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unbind: function () {
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canEvent.off.call(document.documentElement, 'click', 'a', anchorClickHandler);
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each(methodsToOverwrite, function (method) {
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window.history[method] = originalMethods[method];
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});
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canEvent.off.call(window, 'popstate', route.setState);
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},
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matchingPartOfURL: function () {
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var root = cleanRoot(), location = LOCATION(), loc = location.pathname + location.search, index = loc.indexOf(root);
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return loc.substr(index + root.length);
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},
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setURL: function (path, newProps, oldProps) {
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var method = 'pushState';
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var changed;
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if (includeHash && path.indexOf('#') === -1 && window.location.hash) {
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path += window.location.hash;
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}
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changed = diffObject(oldProps, newProps).map(function (d) {
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return d.property;
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});
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if (replaceStateAttrs.length > 0) {
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var toRemove = [];
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for (var i = 0, l = changed.length; i < l; i++) {
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if (replaceStateAttrs.indexOf(changed[i]) !== -1) {
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method = 'replaceState';
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}
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if (replaceStateAttrs.once && replaceStateAttrs.once.indexOf(changed[i]) !== -1) {
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toRemove.push(changed[i]);
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}
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}
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if (toRemove.length > 0) {
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removeAttrs(replaceStateAttrs, toRemove);
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removeAttrs(replaceStateAttrs.once, toRemove);
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}
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}
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window.history[method](null, null, route._call('root') + path);
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}
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};
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var anchorClickHandler = function (e) {
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if (!(e.isDefaultPrevented ? e.isDefaultPrevented() : e.defaultPrevented === true)) {
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var node = this._node || this;
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var linksHost = node.host || window.location.host;
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if (node.href === 'javascript://') {
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return;
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}
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if (window.location.host === linksHost) {
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var root = cleanRoot();
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if (node.pathname.indexOf(root) === 0) {
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var nodePathWithSearch = node.pathname + node.search;
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var url = nodePathWithSearch.substr(root.length);
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var curParams = route.deparam(url);
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if (curParams.hasOwnProperty('route')) {
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includeHash = true;
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var windowPathWithSearch = window.location.pathname + window.location.search;
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var shouldCallPreventDefault = nodePathWithSearch !== windowPathWithSearch || node.hash === window.location.hash;
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window.history.pushState(null, null, node.href);
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if (shouldCallPreventDefault && e.preventDefault) {
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e.preventDefault();
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}
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}
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}
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}
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}
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}, cleanRoot = function () {
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var domain = location.protocol + '//' + location.host, root = route._call('root'), index = root.indexOf(domain);
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if (index === 0) {
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return root.substr(domain.length);
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}
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return root;
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}, removeAttrs = function (arr, attrs) {
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var index;
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for (var i = attrs.length - 1; i >= 0; i--) {
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if ((index = arr.indexOf(attrs[i])) !== -1) {
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arr.splice(index, 1);
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}
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}
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}, methodsToOverwrite = [
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'pushState',
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'replaceState'
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], originalMethods = {}, includeHash = true, replaceStateAttrs = [];
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route.defaultBinding = 'pushstate';
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extend(route, {
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replaceStateOn: function () {
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var attrs = makeArray(arguments);
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Array.prototype.push.apply(replaceStateAttrs, attrs);
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},
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replaceStateOnce: function () {
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var attrs = makeArray(arguments);
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replaceStateAttrs.once = makeArray(replaceStateAttrs.once);
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Array.prototype.push.apply(replaceStateAttrs.once, attrs);
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route.replaceStateOn.apply(this, arguments);
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},
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replaceStateOff: function () {
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var attrs = makeArray(arguments);
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removeAttrs(replaceStateAttrs, attrs);
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}
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});
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}
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module.exports = namespace.route = route;
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}(function () {
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return this;
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}(), require, exports, module));
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});

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