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Merge branch 'master' of github.com:visionmedia/page.js
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@matthewp
matthewp committed Jan 15, 2018
2 parents b91999c + d46f088 commit 09c8dc8
Showing 1 changed file with 33 additions and 24 deletions.
57 changes: 33 additions & 24 deletions index.js
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Expand Up @@ -18,17 +18,26 @@
module.exports.Route = Route;
module.exports.sameOrigin = sameOrigin;

/**
* Short-cuts for global-object checks
*/

var isDocument = ('undefined' !== typeof document);
var isWindow = ('undefined' !== typeof window);
var isHistory = ('undefined' !== typeof history);

/**
* Detect click event
*/
var clickEvent = ('undefined' !== typeof document) && document.ontouchstart ? 'touchstart' : 'click';
var clickEvent = isDocument && document.ontouchstart ? 'touchstart' : 'click';

/**
* To work properly with the URL
* history.location generated polyfill in https://github.com/devote/HTML5-History-API
*/

var location = ('undefined' !== typeof window) && (window.history.location || window.location);
var location = isWindow && (window.history.location || window.location);
var isLocation = !!location;

/**
* Perform initial dispatch.
Expand Down Expand Up @@ -180,13 +189,13 @@
running = true;
if (false === options.dispatch) dispatch = false;
if (false === options.decodeURLComponents) decodeURLComponents = false;
if (false !== options.popstate) window.addEventListener('popstate', onpopstate, false);
if (false !== options.click) {
if (false !== options.popstate && isWindow) window.addEventListener('popstate', onpopstate, false);
if (false !== options.click && isDocument) {
document.addEventListener(clickEvent, onclick, false);
}
if (true === options.hashbang) hashbang = true;
if (!dispatch) return;
var url = (hashbang && ~location.hash.indexOf('#!')) ? location.hash.substr(2) + location.search : location.pathname + location.search + location.hash;
var url = (hashbang && isLocation && ~location.hash.indexOf('#!')) ? location.hash.substr(2) + location.search : location.pathname + location.search + location.hash;
page.replace(url, null, true, dispatch);
};

Expand All @@ -201,8 +210,8 @@
page.current = '';
page.len = 0;
running = false;
document.removeEventListener(clickEvent, onclick, false);
window.removeEventListener('popstate', onpopstate, false);
isDocument && document.removeEventListener(clickEvent, onclick, false);
isWindow && window.removeEventListener('popstate', onpopstate, false);
};

/**
Expand Down Expand Up @@ -239,7 +248,7 @@
if (page.len > 0) {
// this may need more testing to see if all browsers
// wait for the next tick to go back in history
history.back();
isHistory && history.back();
page.len--;
} else if (path) {
setTimeout(function() {
Expand Down Expand Up @@ -350,15 +359,15 @@
var current;

if (hashbang) {
current = base + location.hash.replace('#!', '');
current = isLocation && base + location.hash.replace('#!', '');
} else {
current = location.pathname + location.search;
current = isLocation && location.pathname + location.search;
}

if (current === ctx.canonicalPath) return;
page.stop();
ctx.handled = false;
location.href = ctx.canonicalPath;
isLocation && (location.href = ctx.canonicalPath);
}

/**
Expand Down Expand Up @@ -408,7 +417,7 @@
this.path = path.replace(base, '') || '/';
if (hashbang) this.path = this.path.replace('#!', '') || '/';

this.title = (typeof document !== 'undefined' && document.title);
this.title = (isDocument && document.title);
this.state = state || {};
this.state.path = path;
this.querystring = ~i ? decodeURLEncodedURIComponent(path.slice(i + 1)) : '';
Expand Down Expand Up @@ -440,8 +449,8 @@

Context.prototype.pushState = function() {
page.len++;
if(typeof history !== 'undefined') {
history.pushState(this.state, this.title, hashbang && this.path !== '/' ? '#!' + this.path : this.canonicalPath);
if (isHistory) {
history.pushState(this.state, this.title, hashbang && this.path !== '/' ? '#!' + this.path : this.canonicalPath);
}
};

Expand All @@ -452,8 +461,8 @@
*/

Context.prototype.save = function() {
if(typeof history !== 'undefined') {
history.replaceState(this.state, this.title, hashbang && this.path !== '/' ? '#!' + this.path : this.canonicalPath);
if (isHistory) {
history.replaceState(this.state, this.title, hashbang && this.path !== '/' ? '#!' + this.path : this.canonicalPath);
}
};

Expand Down Expand Up @@ -541,10 +550,10 @@

var onpopstate = (function () {
var loaded = false;
if ('undefined' === typeof window) {
if ( ! isWindow ) {
return;
}
if (document.readyState === 'complete') {
if (isDocument && document.readyState === 'complete') {
loaded = true;
} else {
window.addEventListener('load', function() {
Expand All @@ -558,7 +567,7 @@
if (e.state) {
var path = e.state.path;
page.replace(path, e.state);
} else {
} else if (isLocation) {
page.show(location.pathname + location.hash, undefined, undefined, false);
}
};
Expand Down Expand Up @@ -595,7 +604,7 @@

// ensure non-hash for the same path
var link = el.getAttribute('href');
if (!hashbang && el.pathname === location.pathname && (el.hash || '#' === link)) return;
if (!hashbang && isLocation && el.pathname === location.pathname && (el.hash || '#' === link)) return;

// Check for mailto: in the href
if (link && link.indexOf('mailto:') > -1) return;
Expand Down Expand Up @@ -641,17 +650,17 @@
*/

function which(e) {
e = e || window.event;
e = e || (isWindow && window.event);
return null == e.which ? e.button : e.which;
}

/**
* Convert to a URL object
*/
function toURL(href) {
if(typeof URL === 'function') {
if(typeof URL === 'function' && isLocation) {
return new URL(href, location.toString());
} else {
} else if (isDocument) {
var anc = document.createElement('a');
anc.href = href;
return anc;
Expand All @@ -663,7 +672,7 @@
*/

function sameOrigin(href) {
if(!href) return false;
if(!href || !isLocation) return false;
var url = toURL(href);

return location.protocol === url.protocol &&
Expand Down

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