/*

* Extending URI.js for fragment abuse
*/

// ——————————————————————————– // EXAMPLE: storing application/x-www-form-urlencoded data in the fragment // possibly helpful for Google's hashbangs // see code.google.com/web/ajaxcrawling/ // ——————————————————————————–

// Note: make sure this is the last file loaded!

// USAGE: // var uri = URI(“example.org/#?foo=bar”); // uri.fragment(true) === {foo: “bar”}; // uri.fragment({bar: “foo”}); // uri.toString() === “example.org/#?bar=foo”; // uri.addFragment(“name”, “value”); // uri.toString() === “example.org/#?bar=foo&name=value”; // uri.removeFragment(“name”); // uri.toString() === “example.org/#?bar=foo”;

(function (root, factory) {

'use strict';
// https://github.com/umdjs/umd/blob/master/returnExports.js
if (typeof exports === 'object') {
  // Node
  module.exports = factory(require('./URI'));
} else if (typeof define === 'function' && define.amd) {
  // AMD. Register as an anonymous module.
  define(['./URI'], factory);
} else {
  // Browser globals (root is window)
  factory(root.URI);
}

}(this, function (URI) {

'use strict';

var p = URI.prototype;
// old fragment handler we need to wrap
var f = p.fragment;

// make fragmentPrefix configurable
URI.fragmentPrefix = '?';
var _parts = URI._parts;
URI._parts = function() {
  var parts = _parts();
  parts.fragmentPrefix = URI.fragmentPrefix;
  return parts;
};
p.fragmentPrefix = function(v) {
  this._parts.fragmentPrefix = v;
  return this;
};

// add fragment(true) and fragment({key: value}) signatures
p.fragment = function(v, build) {
  var prefix = this._parts.fragmentPrefix;
  var fragment = this._parts.fragment || '';

  if (v === true) {
    if (fragment.substring(0, prefix.length) !== prefix) {
      return {};
    }

    return URI.parseQuery(fragment.substring(prefix.length));
  } else if (v !== undefined && typeof v !== 'string') {
    this._parts.fragment = prefix + URI.buildQuery(v);
    this.build(!build);
    return this;
  } else {
    return f.call(this, v, build);
  }
};
p.addFragment = function(name, value, build) {
  var prefix = this._parts.fragmentPrefix;
  var data = URI.parseQuery((this._parts.fragment || '').substring(prefix.length));
  URI.addQuery(data, name, value);
  this._parts.fragment = prefix + URI.buildQuery(data);
  if (typeof name !== 'string') {
    build = value;
  }

  this.build(!build);
  return this;
};
p.removeFragment = function(name, value, build) {
  var prefix = this._parts.fragmentPrefix;
  var data = URI.parseQuery((this._parts.fragment || '').substring(prefix.length));
  URI.removeQuery(data, name, value);
  this._parts.fragment = prefix + URI.buildQuery(data);
  if (typeof name !== 'string') {
    build = value;
  }

  this.build(!build);
  return this;
};
p.addHash = p.addFragment;
p.removeHash = p.removeFragment;

// extending existing object rather than defining something new
return URI;

}));