boa-handler-history/lib/hash-history.js

A b-o-a handler for History API

"use strict";
var url = require('url');
var parse = function (urlString) {
    var hash = url.parse(urlString).hash;
    var path = hash && hash.length > 1 ? hash.substring(1) : '/';
    return path;
};
var HashHistory = (function () {
    function HashHistory(callback) {
        this.callback = callback;
        this.window = Function('return this')();
    }
    HashHistory.prototype.back = function () {
        this.window.history.back();
    };
    HashHistory.prototype.go = function (path, replace) {
        if (replace === void 0) { replace = false; }
        var hash = '#' + path;
        if (replace) {
            var urlObj = url.parse(this.window.location.href);
            urlObj.hash = hash;
            this.window.location.replace(url.format(urlObj));
        }
        else {
            this.window.location.hash = hash;
        }
    };
    HashHistory.prototype.start = function () {
        var _this = this;
        window.addEventListener('hashchange', function (event) {
            var path = parse(event.newURL);
            _this.callback(path);
        }, false);
        var path = parse(this.window.location.href);
        this.callback(path);
    };
    return HashHistory;
}());
exports.HashHistory = HashHistory;