atom-nuclide/pkg/nuclide-reprint-js/lib/printers/complex/printBinaryExpression.js

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/*
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the license found in the LICENSE file in
 * the root directory of this source tree.
 */

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _constantsMarkers2;

function _constantsMarkers() {
  return _constantsMarkers2 = _interopRequireDefault(require('../../constants/markers'));
}

var _wrappersSimpleWrapExpression2;

function _wrappersSimpleWrapExpression() {
  return _wrappersSimpleWrapExpression2 = _interopRequireDefault(require('../../wrappers/simple/wrapExpression'));
}

function printBinaryExpression(print, node, context) {
  var path = context.path;
  var needsScope = true;
  for (var i = path.size - 1; i >= 0; i--) {
    var curr = path.get(i);
    /**
     * Traverse the path until we see the first logical expression. If it has
     * the same kind of operator we do not need to open a new scope. If it has
     * a different kind of operator we force it into a new scope.
     */
    if (curr.type === 'BinaryExpression') {
      needsScope = curr.operator !== node.operator;
      break;
    }
  }

  var wrap = function wrap(x) {
    return (0, (_wrappersSimpleWrapExpression2 || _wrappersSimpleWrapExpression()).default)(print, node, x);
  };
  return wrap([needsScope ? [(_constantsMarkers2 || _constantsMarkers()).default.openScope, (_constantsMarkers2 || _constantsMarkers()).default.scopeIndent, (_constantsMarkers2 || _constantsMarkers()).default.scopeBreak] : (_constantsMarkers2 || _constantsMarkers()).default.empty, print(node.left), (_constantsMarkers2 || _constantsMarkers()).default.noBreak, (_constantsMarkers2 || _constantsMarkers()).default.space, node.operator, (_constantsMarkers2 || _constantsMarkers()).default.scopeSpaceBreak, print(node.right), needsScope ? [(_constantsMarkers2 || _constantsMarkers()).default.scopeBreak, (_constantsMarkers2 || _constantsMarkers()).default.scopeDedent, (_constantsMarkers2 || _constantsMarkers()).default.closeScope] : (_constantsMarkers2 || _constantsMarkers()).default.empty]);
}

module.exports = printBinaryExpression;