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Router
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Router
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var Router = {
routes: [],
mode: null,
root: '/',
config: function(options) {
this.mode = options && options.mode && options.mode == 'history'
&& !!(history.pushState) ? 'history' : 'hash';
this.root = options && options.root ? '/' + this.clearSlashes(options.root) + '/' : '/';
return this;
},
getFragment: function() {
var fragment = '';
if(this.mode === 'history') {
fragment = this.clearSlashes(decodeURI(location.pathname + location.search));
fragment = fragment.replace(/\?(.*)$/, '');
fragment = this.root != '/' ? fragment.replace(this.root, '') : fragment;
} else {
var match = window.location.href.match(/#(.*)$/);
fragment = match ? match[1] : '';
}
return this.clearSlashes(fragment);
},
clearSlashes: function(path) {
return path.toString().replace(/\/$/, '').replace(/^\//, '');
},
add: function(re, handler) {
if(typeof re == 'function') {
handler = re;
re = '';
}
this.routes.push({ re: re, handler: handler});
return this;
},
remove: function(param) {
for(var i=0, r; i<this.routes.length, r = this.routes[i]; i++) {
if(r.handler === param || r.re === param) {
this.routes.splice(i, 1);
return this;
}
}
return this;
},
flush: function() {
this.routes = [];
this.mode = null;
this.root = '/';
return this;
},
check: function(f) {
var fragment = f || this.getFragment();
for(var i=0; i<this.routes.length; i++) {
var match = fragment.match(this.routes[i].re);
if(match) {
match.shift();
this.routes[i].handler.apply({}, match);
return this;
}
}
return this;
},
listen: function() {
var self = this;
var current = self.getFragment();
var fn = function() {
if(current !== self.getFragment()) {
current = self.getFragment();
self.check(current);
}
}
clearInterval(this.interval);
this.interval = setInterval(fn, 50);
return this;
},
navigate: function(path) {
path = path ? path : '';
if(this.mode === 'history') {
history.pushState(null, null, this.root + this.clearSlashes(path));
} else {
window.location.href.match(/#(.*)$/);
window.location.href = window.location.href.replace(/#(.*)$/, '') + '#' + path;
}
return this;
}
}
// configuration
Router.config({ mode: 'history'});
// returning the user to the initial state
Router.navigate();
// adding routes
Router
.add(/about/, function() {
console.log('about');
})
.add(/products\/(.*)\/edit\/(.*)/, function() {
console.log('products', arguments);
})
.add(function() {
console.log('default');
})
.check('/products/12/edit/22').listen();
// forwarding
Router.navigate('/about');