Greasemonkey User Script: add hexdoc.pm link to hex.pm package information page.

hex_pm_hexdocs_link.user.js

// ==UserScript==
// @name         hex_pm_hexdocs_link
// @namespace    http://orderthruchaos.bitbucket.org/
// @copyright    2015+, Brett DiFrischia
// @license      
// @description  
// @grant        GM_log
// @require      https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js
// @include      https://hex.pm/packages/*
// ==/UserScript==


this.$J = this.jQuery = jQuery.noConflict(true);


(
  function () {
    var get_package_id = function () {
      return $J("div.container div.page-header h2 a").first().text() || "";
    };

    var safe_package_id = function () {
      var pid = get_package_id();
      pid = pid.replace(/&/g, '&');
      pid = pid.replace(/</g, '&lt;');
      pid = pid.replace(/>/g, '&gt;');
      return pid;
    };

    var safe_package_id = function () {
      return encodeURIComponent(get_package_id());
    };

    var on_load = function() {
      var css = 'div.container div.row div.col-sm-8 ' +
        'dl.dl-horizontal.package-meta';
      var pid = safe_package_id();
      var dt  = "<dt>hexdocs</dt>";
      var hexdocs_link =
        "<a target='_blank' href='http://hexdocs.pm/" + safe_package_id()+
        "/'>" + pid + "</a>";
      var all = dt + "<dd>" + hexdocs_link + "</dd>";
      $J(css).first().append(all);
    };

    $J(on_load);
  }
)();


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