Figwheel Chrome Content Script

overrides.js

var resourceURL = function (src) {
  return chrome.extension.getURL("js/goog/" + src);
};

var loadSync = function(src) {
  var xhr = new XMLHttpRequest();
  xhr.open("GET", src, false);
  xhr.send(null);

  return xhr.responseText;
};

var inlineSourceMaps = function (src, source) {
  if (!source.match("sourceMappingURL=")) {return source;}

  var srcParts = src.split("/");
  srcParts.pop();

  var mapSrc = resourceURL(src + ".map");

  var srcmap = JSON.parse(loadSync(mapSrc));
  srcmap.sourcesContent = [loadSync(resourceURL(srcParts.concat(srcmap.sources).join("/")))];

  try {
    var datauri = 'data:application/json;charset=utf-8;base64,' + btoa(JSON.stringify(srcmap));

    return source.replace(/\/\/# sourceMappingURL=.+/, "//# sourceMappingURL=" + datauri);
  } catch (e) {
    console.warn("Error inlining source maps for", src, e);

    return source.replace(/\/\/# sourceMappingURL=.+/, "");
  }
};

var requireFile = function (src, opt_source) {
  var path = resourceURL(src);

  var source = loadSync(path);

  eval(inlineSourceMaps(src, source));

  return true;
};

var CLOSURE_NO_DEPS = true;
var CLOSURE_IMPORT_SCRIPT = requireFile;