dist/scripts/vendor.min.js
function serializeObject(obj, maxDepth) {
  var seen = [];

  // There is no direct way to stringify object until reaching a specific depth
  // and a very deep object can cause a performance issue, so we copy the object
  // based on this specific depth and then stringify it.
  if (isValidObjectMaxDepth(maxDepth)) {
    // This file is also included in `angular-loader`, so `copy()` might not always be available in
    // the closure. Therefore, it is lazily retrieved as `angular.copy()` when needed.
    obj = angular.copy(obj, null, maxDepth);
  }
  return JSON.stringify(obj, function(key, val) {
    val = toJsonReplacer(key, val);
    if (isObject(val)) {

      if (seen.indexOf(val) >= 0) return '...';

      seen.push(val);
    }
    return val;
  });
}
function serializeObject(obj, maxDepth) {
  var seen = [];

  // There is no direct way to stringify object until reaching a specific depth
  // and a very deep object can cause a performance issue, so we copy the object
  // based on this specific depth and then stringify it.
  if (isValidObjectMaxDepth(maxDepth)) {
    // This file is also included in `angular-loader`, so `copy()` might not always be available in
    // the closure. Therefore, it is lazily retrieved as `angular.copy()` when needed.
    obj = angular.copy(obj, null, maxDepth);
  }
  return JSON.stringify(obj, function(key, val) {
    val = toJsonReplacer(key, val);
    if (isObject(val)) {

      if (seen.indexOf(val) >= 0) return '...';

      seen.push(val);
    }
    return val;
  });
}
/* exported toDebugString