add some packages

node_modules/babel-generator/lib/node/parentheses.js

@@ -0,0 +1,170 @@
+"use strict";
+
+exports.__esModule = true;
+exports.AwaitExpression = exports.FunctionTypeAnnotation = undefined;
+exports.NullableTypeAnnotation = NullableTypeAnnotation;
+exports.UpdateExpression = UpdateExpression;
+exports.ObjectExpression = ObjectExpression;
+exports.DoExpression = DoExpression;
+exports.Binary = Binary;
+exports.BinaryExpression = BinaryExpression;
+exports.SequenceExpression = SequenceExpression;
+exports.YieldExpression = YieldExpression;
+exports.ClassExpression = ClassExpression;
+exports.UnaryLike = UnaryLike;
+exports.FunctionExpression = FunctionExpression;
+exports.ArrowFunctionExpression = ArrowFunctionExpression;
+exports.ConditionalExpression = ConditionalExpression;
+exports.AssignmentExpression = AssignmentExpression;
+
+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; } }
+
+var PRECEDENCE = {
+  "||": 0,
+  "&&": 1,
+  "|": 2,
+  "^": 3,
+  "&": 4,
+  "==": 5,
+  "===": 5,
+  "!=": 5,
+  "!==": 5,
+  "<": 6,
+  ">": 6,
+  "<=": 6,
+  ">=": 6,
+  in: 6,
+  instanceof: 6,
+  ">>": 7,
+  "<<": 7,
+  ">>>": 7,
+  "+": 8,
+  "-": 8,
+  "*": 9,
+  "/": 9,
+  "%": 9,
+  "**": 10
+};
+
+function NullableTypeAnnotation(node, parent) {
+  return t.isArrayTypeAnnotation(parent);
+}
+
+exports.FunctionTypeAnnotation = NullableTypeAnnotation;
+function UpdateExpression(node, parent) {
+  return t.isMemberExpression(parent) && parent.object === node;
+}
+
+function ObjectExpression(node, parent, printStack) {
+  return isFirstInStatement(printStack, { considerArrow: true });
+}
+
+function DoExpression(node, parent, printStack) {
+  return isFirstInStatement(printStack);
+}
+
+function Binary(node, parent) {
+  if ((t.isCallExpression(parent) || t.isNewExpression(parent)) && parent.callee === node || t.isUnaryLike(parent) || t.isMemberExpression(parent) && parent.object === node || t.isAwaitExpression(parent)) {
+    return true;
+  }
+
+  if (t.isBinary(parent)) {
+    var parentOp = parent.operator;
+    var parentPos = PRECEDENCE[parentOp];
+
+    var nodeOp = node.operator;
+    var nodePos = PRECEDENCE[nodeOp];
+
+    if (parentPos === nodePos && parent.right === node && !t.isLogicalExpression(parent) || parentPos > nodePos) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+function BinaryExpression(node, parent) {
+  return node.operator === "in" && (t.isVariableDeclarator(parent) || t.isFor(parent));
+}
+
+function SequenceExpression(node, parent) {
+
+  if (t.isForStatement(parent) || t.isThrowStatement(parent) || t.isReturnStatement(parent) || t.isIfStatement(parent) && parent.test === node || t.isWhileStatement(parent) && parent.test === node || t.isForInStatement(parent) && parent.right === node || t.isSwitchStatement(parent) && parent.discriminant === node || t.isExpressionStatement(parent) && parent.expression === node) {
+    return false;
+  }
+
+  return true;
+}
+
+function YieldExpression(node, parent) {
+  return t.isBinary(parent) || t.isUnaryLike(parent) || t.isCallExpression(parent) || t.isMemberExpression(parent) || t.isNewExpression(parent) || t.isConditionalExpression(parent) && node === parent.test;
+}
+
+exports.AwaitExpression = YieldExpression;
+function ClassExpression(node, parent, printStack) {
+  return isFirstInStatement(printStack, { considerDefaultExports: true });
+}
+
+function UnaryLike(node, parent) {
+  return t.isMemberExpression(parent, { object: node }) || t.isCallExpression(parent, { callee: node }) || t.isNewExpression(parent, { callee: node });
+}
+
+function FunctionExpression(node, parent, printStack) {
+  return isFirstInStatement(printStack, { considerDefaultExports: true });
+}
+
+function ArrowFunctionExpression(node, parent) {
+  if (t.isExportDeclaration(parent) || t.isBinaryExpression(parent) || t.isLogicalExpression(parent) || t.isUnaryExpression(parent) || t.isTaggedTemplateExpression(parent)) {
+    return true;
+  }
+
+  return UnaryLike(node, parent);
+}
+
+function ConditionalExpression(node, parent) {
+  if (t.isUnaryLike(parent) || t.isBinary(parent) || t.isConditionalExpression(parent, { test: node }) || t.isAwaitExpression(parent)) {
+    return true;
+  }
+
+  return UnaryLike(node, parent);
+}
+
+function AssignmentExpression(node) {
+  if (t.isObjectPattern(node.left)) {
+    return true;
+  } else {
+    return ConditionalExpression.apply(undefined, arguments);
+  }
+}
+
+function isFirstInStatement(printStack) {
+  var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+      _ref$considerArrow = _ref.considerArrow,
+      considerArrow = _ref$considerArrow === undefined ? false : _ref$considerArrow,
+      _ref$considerDefaultE = _ref.considerDefaultExports,
+      considerDefaultExports = _ref$considerDefaultE === undefined ? false : _ref$considerDefaultE;
+
+  var i = printStack.length - 1;
+  var node = printStack[i];
+  i--;
+  var parent = printStack[i];
+  while (i > 0) {
+    if (t.isExpressionStatement(parent, { expression: node }) || t.isTaggedTemplateExpression(parent) || considerDefaultExports && t.isExportDefaultDeclaration(parent, { declaration: node }) || considerArrow && t.isArrowFunctionExpression(parent, { body: node })) {
+      return true;
+    }
+
+    if (t.isCallExpression(parent, { callee: node }) || t.isSequenceExpression(parent) && parent.expressions[0] === node || t.isMemberExpression(parent, { object: node }) || t.isConditional(parent, { test: node }) || t.isBinary(parent, { left: node }) || t.isAssignmentExpression(parent, { left: node })) {
+      node = parent;
+      i--;
+      parent = printStack[i];
+    } else {
+      return false;
+    }
+  }
+
+  return false;
+}