discourse/test/javascripts/jshint_all.js.erb

module("JSHint");

var qHint = function(name, sourceFile, options, globals) {
    if (sourceFile === undefined || typeof(sourceFile) == "object") {
        // jsHintTest('file.js', [options])
        globals = options;
        options = sourceFile;
        sourceFile = name;
    }

    return asyncTestDiscourse(name, function() {
        qHint.sendRequest(sourceFile, function(req) {
            start();

            if (req.status == 200) {

                var text = req.responseText;

                // Remove our generate IIFEs so we get the same line numbers as original
                // files
                text = text.replace(/^[^]*\/\/ IIFE Wrapped Content Begins:\n\n/m, "");
                text = text.replace(/\n\n\/\/ IIFE Wrapped Content Ends[^]*$/m, "");
                qHint.validateFile(text, options, globals);
            } else {
                ok(false, "HTTP error " + req.status +
                          " while fetching " + sourceFile);
            }
        });
    });
};

qHint.validateFile = function (source, options, globals) {
  var i, len, err;

  if (JSHINT(source, options, globals)) {
      ok(true);
      return;
  }

  for (i = 0, len = JSHINT.errors.length; i < len; i++) {
      err = JSHINT.errors[i];
      if (!err) {
          continue;
      }

      ok(false, err.reason +
          " on line " + err.line +
          ", character " + err.character);
  }
};

var XMLHttpFactories = [
  function () { return new XMLHttpRequest(); },
  function () { return new ActiveXObject("Msxml2.XMLHTTP"); },
  function () { return new ActiveXObject("Msxml3.XMLHTTP"); },
  function () { return new ActiveXObject("Microsoft.XMLHTTP"); }
];

function createXMLHTTPObject() {
  for (var i = 0; i < XMLHttpFactories.length; i++) {
      try {
          return XMLHttpFactories[i]();
      } catch (e) {}
  }
  return false;
}

// modified version of XHR script by PPK
// http://www.quirksmode.org/js/xmlhttp.html
// attached to qHint to allow substitution / mocking
qHint.sendRequest = function (url, callback) {
  var req = createXMLHTTPObject();
  if (!req) {
      return;
  }

  var method = "GET";
  req.open(method,url + "?" + (new Date().getTime()),true);
  req.onreadystatechange = function () {
      if (req.readyState != 4) {
          return;
      }

      callback(req);
  };

  if (req.readyState == 4) {
      return;
  }
  req.send();
};

var jsHintOpts = {
  "predef":["Ember",
    "jQuery",
    "$",
    "RSVP",
    "Discourse",
    "$LAB",
    "Em",
    "PreloadStore",
    "Handlebars",
    "I18n",
    "bootbox",
    "module",
    "integration",
    "test",
    "ok",
    "expect",
    "equal",
    "blank",
    "present",
    "visit",
    "count",
    "exists",
    "asyncTestDiscourse",
    "find",
    "sinon",
    "moment",
    "start",
    "_",
    "console",
    "alert",
    "controllerFor",
    "testController",
    "containsInstance",
    "deepEqual",
    "notEqual",
    "Blob",
    "File"],
  "node" : false,
  "browser" : true,
  "boss" : true,
  "curly": false,
  "debug": false,
  "devel": false,
  "eqeqeq": true,
  "evil": true,
  "forin": false,
  "immed": false,
  "laxbreak": false,
  "newcap": true,
  "noarg": true,
  "noempty": false,
  "nonew": false,
  "nomen": false,
  "onevar": false,
  "plusplus": false,
  "regexp": false,
  "undef": true,
  "sub": true,
  "strict": false,
  "white": false,
  "eqnull": true,
  "lastsemic": true
};

<%
  def jshint(dir, remove, to_ignore)
    result = ""

    Dir.glob(dir).each do |f|
      filename = f.sub("#{Rails.root}#{remove}", "")

      ok = true
      to_ignore.each do |ig|
        ok = false if (filename =~ ig)
      end

      depend_on filename

      result << "qHint('#{filename}', '/assets/#{filename}', jsHintOpts);\n" if ok

    end
    result
  end

%>

<%= jshint("#{Rails.root}/test/**/*.js",
           "/test/javascripts/",
           [/helpers\//]) %>

<%= jshint("#{Rails.root}/app/assets/javascripts/**/*.js",
           "/app/assets/javascripts/",
           [/external\//,
            /defer\//,
            /locales\//]) %>