78 lines
2 KiB
JavaScript
78 lines
2 KiB
JavaScript
OSM.Router = function(rts) {
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var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
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var optionalParam = /\((.*?)\)/g;
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var namedParam = /(\(\?)?:\w+/g;
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var splatParam = /\*\w+/g;
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function Route(path, controller) {
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var regexp = new RegExp('^' +
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path.replace(escapeRegExp, '\\$&')
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.replace(optionalParam, '(?:$1)?')
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.replace(namedParam, function(match, optional){
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return optional ? match : '([^\/]+)';
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})
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.replace(splatParam, '(.*?)') + '(?:$|[?#])');
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var route = {};
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route.match = function(path) {
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return regexp.test(path);
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};
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route.run = function(action, path) {
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var params = [];
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if (path) {
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params = regexp.exec(path).map(function(param, i) {
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return (i > 0 && param) ? decodeURIComponent(param) : param;
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});
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}
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(controller[action] || $.noop).apply(controller, params);
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};
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return route;
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}
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var routes = [];
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for (var r in rts)
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routes.push(Route(r, rts[r]));
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routes.recognize = function(path) {
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for (var i = 0; i < this.length; i++) {
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if (this[i].match(path)) return this[i];
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}
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};
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var currentPath = window.location.pathname,
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currentRoute = routes.recognize(currentPath);
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currentRoute.run('load', currentPath);
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if (window.history && window.history.pushState) {
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$(window).on('popstate', function() {
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var path = window.location.pathname;
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if (path === currentPath) return;
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currentRoute.run('unload');
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currentPath = path;
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currentRoute = routes.recognize(currentPath);
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currentRoute.run('popstate', currentPath);
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});
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return function (url) {
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var path = url.replace(/#.*/, ''),
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route = routes.recognize(path);
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if (!route) return false;
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window.history.pushState({}, document.title, url);
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currentRoute.run('unload');
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currentPath = path;
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currentRoute = route;
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currentRoute.run('pushstate', currentPath);
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return true;
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}
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} else {
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return function (url) {
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window.location.assign(url);
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}
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}
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};
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