How to use the esprima-fb.Syntax.SpreadElement function in esprima-fb

function getDestructuredComponents(node, state) {
  var tmpIndex = state.localScope.tempVarIndex;
  var components = [];
  var patternItems = getPatternItems(node);

  for (var idx = 0; idx < patternItems.length; idx++) {
    var item = patternItems[idx];
    if (!item) {
      continue;
    }

    if (item.type === Syntax.SpreadElement) {
      // Spread/rest of an array.
      // TODO(dmitrys): support spread in the middle of a pattern
      // and also for function param patterns: [x, ...xs, y]
      components.push(item.argument.name +
        '=Array.prototype.slice.call(' +
        utils.getTempVar(tmpIndex) + ',' + idx + ')'
      );
      continue;
    }

    if (item.type === Syntax.SpreadProperty) {
      var restExpression = restPropertyHelpers.renderRestExpression(
        utils.getTempVar(tmpIndex),
        patternItems
      );
      components.push(item.argument.name + '=' + restExpression);

function getDestructuredComponents(node, state) {
  var tmpIndex = state.localScope.tempVarIndex;
  var components = [];
  var patternItems = getPatternItems(node);

  for (var idx = 0; idx < patternItems.length; idx++) {
    var item = patternItems[idx];
    if (!item) {
      continue;
    }

    if (item.type === Syntax.SpreadElement) {
      // Spread/rest of an array.
      // TODO(dmitrys): support spread in the middle of a pattern
      // and also for function param patterns: [x, ...xs, y]
      components.push(item.argument.name +
        '=Array.prototype.slice.call(' +
        utils.getTempVar(tmpIndex) + ',' + idx + ')'
      );
      continue;
    }

    if (item.type === Syntax.SpreadProperty) {
      var restExpression = restPropertyHelpers.renderRestExpression(
        utils.getTempVar(tmpIndex),
        patternItems
      );
      components.push(item.argument.name + '=' + restExpression);

function visitSuperCallExpression(traverse, node, path, state) {
  var superClassName = state.superClass.name;
  // We'll use this to handle a simplified super(...args) case.
  var isSuperSpreadCall = false;

  if (node.callee.type === Syntax.Identifier) {
    if (_isConstructorMethod(state.methodNode)) {
      // We already know we're in the simple super() case, so now just look to
      // see if there is a single spread arg.
      isSuperSpreadCall =
        node.arguments.length === 1 &&
        node.arguments[0].type === Syntax.SpreadElement;

      utils.append(
        superClassName + (isSuperSpreadCall ? '.apply(' : '.call('),
        state
      );
    } else {
      var protoProp = SUPER_PROTO_IDENT_PREFIX + superClassName;
      if (state.methodNode.key.type === Syntax.Identifier) {
        protoProp += '.' + state.methodNode.key.name;
      } else if (state.methodNode.key.type === Syntax.Literal) {
        protoProp += '[' + JSON.stringify(state.methodNode.key.value) + ']';
      }
      utils.append(protoProp + ".call(", state);
    }
    utils.move(node.callee.range[1], state);
  } else if (node.callee.type === Syntax.MemberExpression) {

visitCallSpread.test = function(node, path, state) {
    return ((node.type === Syntax.CallExpression || node.type === Syntax.NewExpression) && node.arguments.length > 0 && node.arguments[node.arguments.length - 1].type === Syntax.SpreadElement);
  };
  exports.visitorList = [visitCallSpread];

visitCallSpread.test = function(node, path, state) {
  return (
    (
      node.type === Syntax.CallExpression ||
      node.type === Syntax.NewExpression
    ) &&
    node.arguments.length > 0 &&
    node.arguments[node.arguments.length - 1].type === Syntax.SpreadElement
  );
};

visitCallSpread.test = function(node, path, state) {
  return (
    (
      node.type === Syntax.CallExpression ||
      node.type === Syntax.NewExpression
    ) &&
    node.arguments.length > 0 &&
    node.arguments[node.arguments.length - 1].type === Syntax.SpreadElement
  );
};

visitCallSpread.test = function(node, path, state) {
  return (
    (
      node.type === Syntax.CallExpression ||
      node.type === Syntax.NewExpression
    ) &&
    node.arguments.length > 0 &&
    node.arguments[node.arguments.length - 1].type === Syntax.SpreadElement
  );
};