1 files changed, 146 insertions, 0 deletions

diff --git a/node_modules/babel-generator/lib/node/index.js b/node_modules/babel-generator/lib/node/index.js
new file mode 100644
index 000000000..be5d34797
--- /dev/null
+++ b/node_modules/babel-generator/lib/node/index.js
@@ -0,0 +1,146 @@
+"use strict";
+
+exports.__esModule = true;
+
+var _getIterator2 = require("babel-runtime/core-js/get-iterator");
+
+var _getIterator3 = _interopRequireDefault(_getIterator2);
+
+var _keys = require("babel-runtime/core-js/object/keys");
+
+var _keys2 = _interopRequireDefault(_keys);
+
+exports.needsWhitespace = needsWhitespace;
+exports.needsWhitespaceBefore = needsWhitespaceBefore;
+exports.needsWhitespaceAfter = needsWhitespaceAfter;
+exports.needsParens = needsParens;
+
+var _whitespace = require("./whitespace");
+
+var _whitespace2 = _interopRequireDefault(_whitespace);
+
+var _parentheses = require("./parentheses");
+
+var parens = _interopRequireWildcard(_parentheses);
+
+var _babelTypes = require("babel-types");
+
+var t = _interopRequireWildcard(_babelTypes);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function expandAliases(obj) {
+  var newObj = {};
+
+  function add(type, func) {
+    var fn = newObj[type];
+    newObj[type] = fn ? function (node, parent, stack) {
+      var result = fn(node, parent, stack);
+
+      return result == null ? func(node, parent, stack) : result;
+    } : func;
+  }
+
+  for (var _iterator = (0, _keys2.default)(obj), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
+    var _ref;
+
+    if (_isArray) {
+      if (_i >= _iterator.length) break;
+      _ref = _iterator[_i++];
+    } else {
+      _i = _iterator.next();
+      if (_i.done) break;
+      _ref = _i.value;
+    }
+
+    var type = _ref;
+
+
+    var aliases = t.FLIPPED_ALIAS_KEYS[type];
+    if (aliases) {
+      for (var _iterator2 = aliases, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
+        var _ref2;
+
+        if (_isArray2) {
+          if (_i2 >= _iterator2.length) break;
+          _ref2 = _iterator2[_i2++];
+        } else {
+          _i2 = _iterator2.next();
+          if (_i2.done) break;
+          _ref2 = _i2.value;
+        }
+
+        var alias = _ref2;
+
+        add(alias, obj[type]);
+      }
+    } else {
+      add(type, obj[type]);
+    }
+  }
+
+  return newObj;
+}
+
+var expandedParens = expandAliases(parens);
+var expandedWhitespaceNodes = expandAliases(_whitespace2.default.nodes);
+var expandedWhitespaceList = expandAliases(_whitespace2.default.list);
+
+function find(obj, node, parent, printStack) {
+  var fn = obj[node.type];
+  return fn ? fn(node, parent, printStack) : null;
+}
+
+function isOrHasCallExpression(node) {
+  if (t.isCallExpression(node)) {
+    return true;
+  }
+
+  if (t.isMemberExpression(node)) {
+    return isOrHasCallExpression(node.object) || !node.computed && isOrHasCallExpression(node.property);
+  } else {
+    return false;
+  }
+}
+
+function needsWhitespace(node, parent, type) {
+  if (!node) return 0;
+
+  if (t.isExpressionStatement(node)) {
+    node = node.expression;
+  }
+
+  var linesInfo = find(expandedWhitespaceNodes, node, parent);
+
+  if (!linesInfo) {
+    var items = find(expandedWhitespaceList, node, parent);
+    if (items) {
+      for (var i = 0; i < items.length; i++) {
+        linesInfo = needsWhitespace(items[i], node, type);
+        if (linesInfo) break;
+      }
+    }
+  }
+
+  return linesInfo && linesInfo[type] || 0;
+}
+
+function needsWhitespaceBefore(node, parent) {
+  return needsWhitespace(node, parent, "before");
+}
+
+function needsWhitespaceAfter(node, parent) {
+  return needsWhitespace(node, parent, "after");
+}
+
+function needsParens(node, parent, printStack) {
+  if (!parent) return false;
+
+  if (t.isNewExpression(parent) && parent.callee === node) {
+    if (isOrHasCallExpression(node)) return true;
+  }
+
+  return find(expandedParens, node, parent, printStack);
+}
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