mirror of
https://github.com/jellyfin/jellyfin-web.git
synced 2024-11-18 11:28:23 -07:00
984 lines
26 KiB
JavaScript
984 lines
26 KiB
JavaScript
define([], function () {
|
|
|
|
/**
|
|
* Detect click event
|
|
*/
|
|
var clickEvent = ('undefined' !== typeof document) && 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);
|
|
|
|
/**
|
|
* Perform initial dispatch.
|
|
*/
|
|
|
|
var dispatch = true;
|
|
|
|
|
|
/**
|
|
* Decode URL components (query string, pathname, hash).
|
|
* Accommodates both regular percent encoding and x-www-form-urlencoded format.
|
|
*/
|
|
var decodeURLComponents = true;
|
|
|
|
/**
|
|
* Base path.
|
|
*/
|
|
|
|
var base = '';
|
|
|
|
/**
|
|
* Running flag.
|
|
*/
|
|
|
|
var running;
|
|
|
|
/**
|
|
* HashBang option
|
|
*/
|
|
|
|
var hashbang = false;
|
|
|
|
var enableHistory = false;
|
|
|
|
/**
|
|
* Previous context, for capturing
|
|
* page exit events.
|
|
*/
|
|
|
|
var prevContext;
|
|
|
|
/**
|
|
* Register `path` with callback `fn()`,
|
|
* or route `path`, or redirection,
|
|
* or `page.start()`.
|
|
*
|
|
* page(fn);
|
|
* page('*', fn);
|
|
* page('/user/:id', load, user);
|
|
* page('/user/' + user.id, { some: 'thing' });
|
|
* page('/user/' + user.id);
|
|
* page('/from', '/to')
|
|
* page();
|
|
*
|
|
* @param {String|Function} path
|
|
* @param {Function} fn...
|
|
* @api public
|
|
*/
|
|
|
|
function page(path, fn) {
|
|
// <callback>
|
|
if ('function' === typeof path) {
|
|
return page('*', path);
|
|
}
|
|
|
|
// route <path> to <callback ...>
|
|
if ('function' === typeof fn) {
|
|
var route = new Route(path);
|
|
for (var i = 1; i < arguments.length; ++i) {
|
|
page.callbacks.push(route.middleware(arguments[i]));
|
|
}
|
|
// show <path> with [state]
|
|
} else if ('string' === typeof path) {
|
|
page['string' === typeof fn ? 'redirect' : 'show'](path, fn);
|
|
// start [options]
|
|
} else {
|
|
page.start(path);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Callback functions.
|
|
*/
|
|
|
|
page.callbacks = [];
|
|
page.exits = [];
|
|
|
|
/**
|
|
* Current path being processed
|
|
* @type {String}
|
|
*/
|
|
page.current = '';
|
|
|
|
/**
|
|
* Number of pages navigated to.
|
|
* @type {number}
|
|
*
|
|
* page.len == 0;
|
|
* page('/login');
|
|
* page.len == 1;
|
|
*/
|
|
|
|
page.len = 0;
|
|
|
|
/**
|
|
* Get or set basepath to `path`.
|
|
*
|
|
* @param {String} path
|
|
* @api public
|
|
*/
|
|
|
|
page.base = function (path) {
|
|
if (0 === arguments.length) return base;
|
|
base = path;
|
|
};
|
|
|
|
/**
|
|
* Bind with the given `options`.
|
|
*
|
|
* Options:
|
|
*
|
|
* - `click` bind to click events [true]
|
|
* - `popstate` bind to popstate [true]
|
|
* - `dispatch` perform initial dispatch [true]
|
|
*
|
|
* @param {Object} options
|
|
* @api public
|
|
*/
|
|
|
|
page.start = function (options) {
|
|
options = options || {};
|
|
if (running) return;
|
|
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) {
|
|
document.addEventListener(clickEvent, onclick, false);
|
|
}
|
|
if (options.enableHistory != null) enableHistory = options.enableHistory;
|
|
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;
|
|
page.replace(url, null, true, dispatch);
|
|
};
|
|
|
|
/**
|
|
* Unbind click and popstate event handlers.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
page.stop = function () {
|
|
if (!running) return;
|
|
page.current = '';
|
|
page.len = 0;
|
|
running = false;
|
|
document.removeEventListener(clickEvent, onclick, false);
|
|
window.removeEventListener('popstate', onpopstate, false);
|
|
};
|
|
|
|
/**
|
|
* Show `path` with optional `state` object.
|
|
*
|
|
* @param {String} path
|
|
* @param {Object} state
|
|
* @param {Boolean} dispatch
|
|
* @return {Context}
|
|
* @api public
|
|
*/
|
|
|
|
page.show = function (path, state, dispatch, push, isBack) {
|
|
var ctx = new Context(path, state);
|
|
ctx.isBack = isBack;
|
|
page.current = ctx.path;
|
|
if (false !== dispatch) page.dispatch(ctx);
|
|
if (false !== ctx.handled && false !== push) ctx.pushState();
|
|
return ctx;
|
|
};
|
|
|
|
/**
|
|
* Goes back in the history
|
|
* Back should always let the current route push state and then go back.
|
|
*
|
|
* @param {String} path - fallback path to go back if no more history exists, if undefined defaults to page.base
|
|
* @param {Object} [state]
|
|
* @api public
|
|
*/
|
|
|
|
page.back = function (path, state) {
|
|
|
|
if (enableHistory) {
|
|
// Keep it simple and mimic browser back
|
|
history.back();
|
|
return;
|
|
}
|
|
|
|
if (page.len > 0) {
|
|
// this may need more testing to see if all browsers
|
|
// wait for the next tick to go back in history
|
|
if (enableHistory) {
|
|
history.back();
|
|
} else {
|
|
|
|
if (backStack.length > 2) {
|
|
backStack.length--;
|
|
var previousState = backStack[backStack.length - 1];
|
|
page.show(previousState.path, previousState.state, true, false, true);
|
|
}
|
|
}
|
|
page.len--;
|
|
} else if (path) {
|
|
setTimeout(function () {
|
|
page.show(path, state);
|
|
});
|
|
} else {
|
|
setTimeout(function () {
|
|
page.show(base, state);
|
|
});
|
|
}
|
|
};
|
|
|
|
page.enableNativeHistory = function () {
|
|
return enableHistory;
|
|
};
|
|
|
|
page.canGoBack = function () {
|
|
if (enableHistory) {
|
|
return history.length > 1;
|
|
}
|
|
return (page.len || 0) > 0;
|
|
};
|
|
|
|
/**
|
|
* Register route to redirect from one path to other
|
|
* or just redirect to another route
|
|
*
|
|
* @param {String} from - if param 'to' is undefined redirects to 'from'
|
|
* @param {String} [to]
|
|
* @api public
|
|
*/
|
|
page.redirect = function (from, to) {
|
|
// Define route from a path to another
|
|
if ('string' === typeof from && 'string' === typeof to) {
|
|
page(from, function (e) {
|
|
setTimeout(function () {
|
|
page.replace(to);
|
|
}, 0);
|
|
});
|
|
}
|
|
|
|
// Wait for the push state and replace it with another
|
|
if ('string' === typeof from && 'undefined' === typeof to) {
|
|
setTimeout(function () {
|
|
page.replace(from);
|
|
}, 0);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Replace `path` with optional `state` object.
|
|
*
|
|
* @param {String} path
|
|
* @param {Object} state
|
|
* @return {Context}
|
|
* @api public
|
|
*/
|
|
|
|
|
|
page.replace = function (path, state, init, dispatch, isBack) {
|
|
var ctx = new Context(path, state);
|
|
ctx.isBack = isBack;
|
|
page.current = ctx.path;
|
|
ctx.init = init;
|
|
ctx.save(); // save before dispatching, which may redirect
|
|
if (false !== dispatch) page.dispatch(ctx);
|
|
return ctx;
|
|
};
|
|
|
|
/**
|
|
* Dispatch the given `ctx`.
|
|
*
|
|
* @param {Object} ctx
|
|
* @api private
|
|
*/
|
|
|
|
page.dispatch = function (ctx) {
|
|
var prev = prevContext,
|
|
i = 0,
|
|
j = 0;
|
|
|
|
prevContext = ctx;
|
|
|
|
function nextExit() {
|
|
var fn = page.exits[j++];
|
|
if (!fn) return nextEnter();
|
|
fn(prev, nextExit);
|
|
}
|
|
|
|
function nextEnter() {
|
|
var fn = page.callbacks[i++];
|
|
|
|
if (ctx.path !== page.current) {
|
|
ctx.handled = false;
|
|
return;
|
|
}
|
|
if (!fn) return unhandled(ctx);
|
|
fn(ctx, nextEnter);
|
|
}
|
|
|
|
if (prev) {
|
|
nextExit();
|
|
} else {
|
|
nextEnter();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Unhandled `ctx`. When it's not the initial
|
|
* popstate then redirect. If you wish to handle
|
|
* 404s on your own use `page('*', callback)`.
|
|
*
|
|
* @param {Context} ctx
|
|
* @api private
|
|
*/
|
|
|
|
function unhandled(ctx) {
|
|
if (ctx.handled) return;
|
|
var current;
|
|
|
|
if (hashbang) {
|
|
current = base + location.hash.replace('#!', '');
|
|
} else {
|
|
current = location.pathname + location.search;
|
|
}
|
|
|
|
if (current === ctx.canonicalPath) return;
|
|
page.stop();
|
|
ctx.handled = false;
|
|
location.href = ctx.canonicalPath;
|
|
}
|
|
|
|
/**
|
|
* Register an exit route on `path` with
|
|
* callback `fn()`, which will be called
|
|
* on the previous context when a new
|
|
* page is visited.
|
|
*/
|
|
page.exit = function (path, fn) {
|
|
if (typeof path === 'function') {
|
|
return page.exit('*', path);
|
|
}
|
|
|
|
var route = new Route(path);
|
|
for (var i = 1; i < arguments.length; ++i) {
|
|
page.exits.push(route.middleware(arguments[i]));
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Remove URL encoding from the given `str`.
|
|
* Accommodates whitespace in both x-www-form-urlencoded
|
|
* and regular percent-encoded form.
|
|
*
|
|
* @param {str} URL component to decode
|
|
*/
|
|
function decodeURLEncodedURIComponent(val) {
|
|
if (typeof val !== 'string') { return val; }
|
|
return decodeURLComponents ? decodeURIComponent(val.replace(/\+/g, ' ')) : val;
|
|
}
|
|
|
|
/**
|
|
* Initialize a new "request" `Context`
|
|
* with the given `path` and optional initial `state`.
|
|
*
|
|
* @param {String} path
|
|
* @param {Object} state
|
|
* @api public
|
|
*/
|
|
|
|
function Context(path, state) {
|
|
if ('/' === path[0] && 0 !== path.indexOf(base)) path = base + (hashbang ? '#!' : '') + path;
|
|
var i = path.indexOf('?');
|
|
|
|
this.canonicalPath = path;
|
|
this.path = path.replace(base, '') || '/';
|
|
if (hashbang) this.path = this.path.replace('#!', '') || '/';
|
|
|
|
this.title = document.title;
|
|
this.state = state || {};
|
|
this.state.path = path;
|
|
this.querystring = ~i ? decodeURLEncodedURIComponent(path.slice(i + 1)) : '';
|
|
this.pathname = decodeURLEncodedURIComponent(~i ? path.slice(0, i) : path);
|
|
this.params = {};
|
|
|
|
// fragment
|
|
this.hash = '';
|
|
if (!hashbang) {
|
|
if (!~this.path.indexOf('#')) return;
|
|
var parts = this.path.split('#');
|
|
this.path = parts[0];
|
|
this.hash = decodeURLEncodedURIComponent(parts[1]) || '';
|
|
this.querystring = this.querystring.split('#')[0];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Expose `Context`.
|
|
*/
|
|
|
|
page.Context = Context;
|
|
var backStack = [];
|
|
|
|
/**
|
|
* Push state.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Context.prototype.pushState = function () {
|
|
page.len++;
|
|
|
|
if (enableHistory) {
|
|
history.pushState(this.state, this.title, hashbang && this.path !== '/' ? '#!' + this.path : this.canonicalPath);
|
|
} else {
|
|
backStack.push({
|
|
state: this.state,
|
|
title: this.title,
|
|
url: (hashbang && this.path !== '/' ? '#!' + this.path : this.canonicalPath),
|
|
path: this.path
|
|
});
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Save the context state.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Context.prototype.save = function () {
|
|
|
|
if (enableHistory) {
|
|
history.replaceState(this.state, this.title, hashbang && this.path !== '/' ? '#!' + this.path : this.canonicalPath);
|
|
} else {
|
|
backStack[page.len || 0] = {
|
|
state: this.state,
|
|
title: this.title,
|
|
url: (hashbang && this.path !== '/' ? '#!' + this.path : this.canonicalPath),
|
|
path: this.path
|
|
};
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Initialize `Route` with the given HTTP `path`,
|
|
* and an array of `callbacks` and `options`.
|
|
*
|
|
* Options:
|
|
*
|
|
* - `sensitive` enable case-sensitive routes
|
|
* - `strict` enable strict matching for trailing slashes
|
|
*
|
|
* @param {String} path
|
|
* @param {Object} options.
|
|
* @api private
|
|
*/
|
|
|
|
function Route(path, options) {
|
|
options = options || {};
|
|
this.path = (path === '*') ? '(.*)' : path;
|
|
this.method = 'GET';
|
|
this.regexp = pathToRegexp(this.path,
|
|
this.keys = [],
|
|
options.sensitive,
|
|
options.strict);
|
|
}
|
|
|
|
/**
|
|
* Expose `Route`.
|
|
*/
|
|
|
|
page.Route = Route;
|
|
|
|
/**
|
|
* Return route middleware with
|
|
* the given callback `fn()`.
|
|
*
|
|
* @param {Function} fn
|
|
* @return {Function}
|
|
* @api public
|
|
*/
|
|
|
|
Route.prototype.middleware = function (fn) {
|
|
var self = this;
|
|
return function (ctx, next) {
|
|
if (self.match(ctx.path, ctx.params)) return fn(ctx, next);
|
|
next();
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Check if this route matches `path`, if so
|
|
* populate `params`.
|
|
*
|
|
* @param {String} path
|
|
* @param {Object} params
|
|
* @return {Boolean}
|
|
* @api private
|
|
*/
|
|
|
|
Route.prototype.match = function (path, params) {
|
|
var keys = this.keys,
|
|
qsIndex = path.indexOf('?'),
|
|
pathname = ~qsIndex ? path.slice(0, qsIndex) : path,
|
|
m = this.regexp.exec(decodeURIComponent(pathname));
|
|
|
|
if (!m) return false;
|
|
|
|
for (var i = 1, len = m.length; i < len; ++i) {
|
|
var key = keys[i - 1];
|
|
var val = decodeURLEncodedURIComponent(m[i]);
|
|
if (val !== undefined || !(hasOwnProperty.call(params, key.name))) {
|
|
params[key.name] = val;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
|
|
var previousPopState = {};
|
|
|
|
function ignorePopState(event) {
|
|
|
|
var state = event.state || {};
|
|
|
|
if (previousPopState.navigate === false) {
|
|
// Ignore
|
|
previousPopState = state;
|
|
return true;
|
|
}
|
|
|
|
previousPopState = state;
|
|
return false;
|
|
}
|
|
|
|
page.pushState = function (state, title, url) {
|
|
|
|
if (hashbang) {
|
|
url = '#!' + url;
|
|
}
|
|
|
|
history.pushState(state, title, url);
|
|
previousPopState = state;
|
|
};
|
|
|
|
/**
|
|
* Handle "populate" events.
|
|
*/
|
|
|
|
var onpopstate = (function () {
|
|
var loaded = false;
|
|
if ('undefined' === typeof window) {
|
|
return;
|
|
}
|
|
if (document.readyState === 'complete') {
|
|
loaded = true;
|
|
} else {
|
|
window.addEventListener('load', function () {
|
|
setTimeout(function () {
|
|
loaded = true;
|
|
}, 0);
|
|
});
|
|
}
|
|
return function onpopstate(e) {
|
|
if (!loaded) return;
|
|
if (ignorePopState(e)) return;
|
|
if (e.state) {
|
|
var path = e.state.path;
|
|
page.replace(path, e.state, null, null, true);
|
|
} else {
|
|
page.show(location.pathname + location.hash, undefined, undefined, false, true);
|
|
}
|
|
};
|
|
})();
|
|
/**
|
|
* Handle "click" events.
|
|
*/
|
|
|
|
function onclick(e) {
|
|
|
|
if (1 !== which(e)) return;
|
|
|
|
if (e.metaKey || e.ctrlKey || e.shiftKey) return;
|
|
if (e.defaultPrevented) return;
|
|
|
|
|
|
|
|
// ensure link
|
|
var el = e.target;
|
|
while (el && 'A' !== el.nodeName) el = el.parentNode;
|
|
if (!el || 'A' !== el.nodeName) return;
|
|
|
|
|
|
|
|
// Ignore if tag has
|
|
// 1. "download" attribute
|
|
// 2. rel="external" attribute
|
|
if (el.hasAttribute('download') || el.getAttribute('rel') === 'external') return;
|
|
|
|
// ensure non-hash for the same path
|
|
var link = el.getAttribute('href');
|
|
if (link == '#') {
|
|
e.preventDefault();
|
|
return;
|
|
}
|
|
if (!hashbang && el.pathname === location.pathname && (el.hash || '#' === link)) return;
|
|
|
|
|
|
|
|
// Check for mailto: in the href
|
|
if (link && link.indexOf('mailto:') > -1) return;
|
|
|
|
// check target
|
|
if (el.target) return;
|
|
|
|
// x-origin
|
|
if (!sameOrigin(el.href)) return;
|
|
|
|
|
|
|
|
// rebuild path
|
|
var path = el.pathname + el.search + (el.hash || '');
|
|
|
|
// same page
|
|
var orig = path;
|
|
|
|
if (path.indexOf(base) === 0) {
|
|
path = path.substr(base.length);
|
|
}
|
|
|
|
if (hashbang) path = path.replace('#!', '');
|
|
|
|
if (base && orig === path) return;
|
|
|
|
e.preventDefault();
|
|
page.show(orig);
|
|
}
|
|
|
|
/**
|
|
* Event button.
|
|
*/
|
|
|
|
function which(e) {
|
|
e = e || window.event;
|
|
return null === e.which ? e.button : e.which;
|
|
}
|
|
|
|
/**
|
|
* Check if `href` is the same origin.
|
|
*/
|
|
|
|
function sameOrigin(href) {
|
|
var origin = location.protocol + '//' + location.hostname;
|
|
if (location.port) origin += ':' + location.port;
|
|
return (href && (0 === href.indexOf(origin)));
|
|
}
|
|
|
|
page.sameOrigin = sameOrigin;
|
|
|
|
/**
|
|
* The main path matching regexp utility.
|
|
*
|
|
* @type {RegExp}
|
|
*/
|
|
var PATH_REGEXP = new RegExp([
|
|
// Match escaped characters that would otherwise appear in future matches.
|
|
// This allows the user to escape special characters that won't transform.
|
|
'(\\\\.)',
|
|
// Match Express-style parameters and un-named parameters with a prefix
|
|
// and optional suffixes. Matches appear as:
|
|
//
|
|
// "/:test(\\d+)?" => ["/", "test", "\d+", undefined, "?", undefined]
|
|
// "/route(\\d+)" => [undefined, undefined, undefined, "\d+", undefined, undefined]
|
|
// "/*" => ["/", undefined, undefined, undefined, undefined, "*"]
|
|
'([\\/.])?(?:(?:\\:(\\w+)(?:\\(((?:\\\\.|[^()])+)\\))?|\\(((?:\\\\.|[^()])+)\\))([+*?])?|(\\*))'
|
|
].join('|'), 'g')
|
|
|
|
/**
|
|
* Parse a string for the raw tokens.
|
|
*
|
|
* @param {String} str
|
|
* @return {Array}
|
|
*/
|
|
function parse(str) {
|
|
var tokens = []
|
|
var key = 0
|
|
var index = 0
|
|
var path = ''
|
|
var res
|
|
|
|
while ((res = PATH_REGEXP.exec(str)) != null) {
|
|
var m = res[0]
|
|
var escaped = res[1]
|
|
var offset = res.index
|
|
path += str.slice(index, offset)
|
|
index = offset + m.length
|
|
|
|
// Ignore already escaped sequences.
|
|
if (escaped) {
|
|
path += escaped[1]
|
|
continue
|
|
}
|
|
|
|
// Push the current path onto the tokens.
|
|
if (path) {
|
|
tokens.push(path)
|
|
path = ''
|
|
}
|
|
|
|
var prefix = res[2]
|
|
var name = res[3]
|
|
var capture = res[4]
|
|
var group = res[5]
|
|
var suffix = res[6]
|
|
var asterisk = res[7]
|
|
|
|
var repeat = suffix === '+' || suffix === '*'
|
|
var optional = suffix === '?' || suffix === '*'
|
|
var delimiter = prefix || '/'
|
|
var pattern = capture || group || (asterisk ? '.*' : '[^' + delimiter + ']+?')
|
|
|
|
tokens.push({
|
|
name: name || key++,
|
|
prefix: prefix || '',
|
|
delimiter: delimiter,
|
|
optional: optional,
|
|
repeat: repeat,
|
|
pattern: escapeGroup(pattern)
|
|
})
|
|
}
|
|
|
|
// Match any characters still remaining.
|
|
if (index < str.length) {
|
|
path += str.substr(index)
|
|
}
|
|
|
|
// If the path exists, push it onto the end.
|
|
if (path) {
|
|
tokens.push(path)
|
|
}
|
|
|
|
return tokens
|
|
}
|
|
|
|
var isarray = Array.isArray || function (arr) {
|
|
return Object.prototype.toString.call(arr) == '[object Array]';
|
|
};
|
|
|
|
/**
|
|
* Escape a regular expression string.
|
|
*
|
|
* @param {String} str
|
|
* @return {String}
|
|
*/
|
|
function escapeString(str) {
|
|
return str.replace(/([.+*?=^!:${}()[\]|\/])/g, '\\$1')
|
|
}
|
|
|
|
/**
|
|
* Escape the capturing group by escaping special characters and meaning.
|
|
*
|
|
* @param {String} group
|
|
* @return {String}
|
|
*/
|
|
function escapeGroup(group) {
|
|
return group.replace(/([=!:$\/()])/g, '\\$1')
|
|
}
|
|
|
|
/**
|
|
* Attach the keys as a property of the regexp.
|
|
*
|
|
* @param {RegExp} re
|
|
* @param {Array} keys
|
|
* @return {RegExp}
|
|
*/
|
|
function attachKeys(re, keys) {
|
|
re.keys = keys
|
|
return re
|
|
}
|
|
|
|
/**
|
|
* Get the flags for a regexp from the options.
|
|
*
|
|
* @param {Object} options
|
|
* @return {String}
|
|
*/
|
|
function flags(options) {
|
|
return options.sensitive ? '' : 'i'
|
|
}
|
|
|
|
/**
|
|
* Pull out keys from a regexp.
|
|
*
|
|
* @param {RegExp} path
|
|
* @param {Array} keys
|
|
* @return {RegExp}
|
|
*/
|
|
function regexpToRegexp(path, keys) {
|
|
// Use a negative lookahead to match only capturing groups.
|
|
var groups = path.source.match(/\((?!\?)/g)
|
|
|
|
if (groups) {
|
|
for (var i = 0; i < groups.length; i++) {
|
|
keys.push({
|
|
name: i,
|
|
prefix: null,
|
|
delimiter: null,
|
|
optional: false,
|
|
repeat: false,
|
|
pattern: null
|
|
})
|
|
}
|
|
}
|
|
|
|
return attachKeys(path, keys)
|
|
}
|
|
|
|
/**
|
|
* Transform an array into a regexp.
|
|
*
|
|
* @param {Array} path
|
|
* @param {Array} keys
|
|
* @param {Object} options
|
|
* @return {RegExp}
|
|
*/
|
|
function arrayToRegexp(path, keys, options) {
|
|
var parts = []
|
|
|
|
for (var i = 0; i < path.length; i++) {
|
|
parts.push(pathToRegexp(path[i], keys, options).source)
|
|
}
|
|
|
|
var regexp = new RegExp('(?:' + parts.join('|') + ')', flags(options))
|
|
|
|
return attachKeys(regexp, keys)
|
|
}
|
|
|
|
/**
|
|
* Create a path regexp from string input.
|
|
*
|
|
* @param {String} path
|
|
* @param {Array} keys
|
|
* @param {Object} options
|
|
* @return {RegExp}
|
|
*/
|
|
function stringToRegexp(path, keys, options) {
|
|
var tokens = parse(path)
|
|
var re = tokensToRegExp(tokens, options)
|
|
|
|
// Attach keys back to the regexp.
|
|
for (var i = 0; i < tokens.length; i++) {
|
|
if (typeof tokens[i] !== 'string') {
|
|
keys.push(tokens[i])
|
|
}
|
|
}
|
|
|
|
return attachKeys(re, keys)
|
|
}
|
|
|
|
/**
|
|
* Expose a function for taking tokens and returning a RegExp.
|
|
*
|
|
* @param {Array} tokens
|
|
* @param {Array} keys
|
|
* @param {Object} options
|
|
* @return {RegExp}
|
|
*/
|
|
function tokensToRegExp(tokens, options) {
|
|
options = options || {}
|
|
|
|
var strict = options.strict
|
|
var end = options.end !== false
|
|
var route = ''
|
|
var lastToken = tokens[tokens.length - 1]
|
|
var endsWithSlash = typeof lastToken === 'string' && /\/$/.test(lastToken)
|
|
|
|
// Iterate over the tokens and create our regexp string.
|
|
for (var i = 0; i < tokens.length; i++) {
|
|
var token = tokens[i]
|
|
|
|
if (typeof token === 'string') {
|
|
route += escapeString(token)
|
|
} else {
|
|
var prefix = escapeString(token.prefix)
|
|
var capture = token.pattern
|
|
|
|
if (token.repeat) {
|
|
capture += '(?:' + prefix + capture + ')*'
|
|
}
|
|
|
|
if (token.optional) {
|
|
if (prefix) {
|
|
capture = '(?:' + prefix + '(' + capture + '))?'
|
|
} else {
|
|
capture = '(' + capture + ')?'
|
|
}
|
|
} else {
|
|
capture = prefix + '(' + capture + ')'
|
|
}
|
|
|
|
route += capture
|
|
}
|
|
}
|
|
|
|
// In non-strict mode we allow a slash at the end of match. If the path to
|
|
// match already ends with a slash, we remove it for consistency. The slash
|
|
// is valid at the end of a path match, not in the middle. This is important
|
|
// in non-ending mode, where "/test/" shouldn't match "/test//route".
|
|
if (!strict) {
|
|
route = (endsWithSlash ? route.slice(0, -2) : route) + '(?:\\/(?=$))?'
|
|
}
|
|
|
|
if (end) {
|
|
route += '$'
|
|
} else {
|
|
// In non-ending mode, we need the capturing groups to match as much as
|
|
// possible by using a positive lookahead to the end or next path segment.
|
|
route += strict && endsWithSlash ? '' : '(?=\\/|$)'
|
|
}
|
|
|
|
return new RegExp('^' + route, flags(options))
|
|
}
|
|
|
|
/**
|
|
* Normalize the given path string, returning a regular expression.
|
|
*
|
|
* An empty array can be passed in for the keys, which will hold the
|
|
* placeholder key descriptions. For example, using `/user/:id`, `keys` will
|
|
* contain `[{ name: 'id', delimiter: '/', optional: false, repeat: false }]`.
|
|
*
|
|
* @param {(String|RegExp|Array)} path
|
|
* @param {Array} [keys]
|
|
* @param {Object} [options]
|
|
* @return {RegExp}
|
|
*/
|
|
function pathToRegexp(path, keys, options) {
|
|
keys = keys || []
|
|
|
|
if (!isarray(keys)) {
|
|
options = keys
|
|
keys = []
|
|
} else if (!options) {
|
|
options = {}
|
|
}
|
|
|
|
if (path instanceof RegExp) {
|
|
return regexpToRegexp(path, keys, options)
|
|
}
|
|
|
|
if (isarray(path)) {
|
|
return arrayToRegexp(path, keys, options)
|
|
}
|
|
|
|
return stringToRegexp(path, keys, options)
|
|
}
|
|
|
|
return page;
|
|
|
|
}); |