1 files changed, 83 insertions, 0 deletions
diff --git a/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/converters/gatherSequenceExpressions.js b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/converters/gatherSequenceExpressions.js
new file mode 100644
index 0000000000..0e07cbe18f
--- /dev/null
+++ b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/converters/gatherSequenceExpressions.js
@@ -0,0 +1,83 @@
+"use strict";
+
+exports.__esModule = true;
+exports.default = gatherSequenceExpressions;
+
+var _getBindingIdentifiers = _interopRequireDefault(require("../retrievers/getBindingIdentifiers"));
+
+var _generated = require("../validators/generated");
+
+var _generated2 = require("../builders/generated");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function gatherSequenceExpressions(nodes, scope, declars) {
+  var exprs = [];
+  var ensureLastUndefined = true;
+
+  for (var _iterator = nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.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 _node = _ref;
+    ensureLastUndefined = false;
+
+    if ((0, _generated.isExpression)(_node)) {
+      exprs.push(_node);
+    } else if ((0, _generated.isExpressionStatement)(_node)) {
+      exprs.push(_node.expression);
+    } else if ((0, _generated.isVariableDeclaration)(_node)) {
+      if (_node.kind !== "var") return;
+      var _arr = _node.declarations;
+
+      for (var _i2 = 0; _i2 < _arr.length; _i2++) {
+        var declar = _arr[_i2];
+        var bindings = (0, _getBindingIdentifiers.default)(declar);
+
+        for (var key in bindings) {
+          declars.push({
+            kind: _node.kind,
+            id: bindings[key]
+          });
+        }
+
+        if (declar.init) {
+          exprs.push((0, _generated2.assignmentExpression)("=", declar.id, declar.init));
+        }
+      }
+
+      ensureLastUndefined = true;
+    } else if ((0, _generated.isIfStatement)(_node)) {
+      var consequent = _node.consequent ? gatherSequenceExpressions([_node.consequent], scope, declars) : scope.buildUndefinedNode();
+      var alternate = _node.alternate ? gatherSequenceExpressions([_node.alternate], scope, declars) : scope.buildUndefinedNode();
+      if (!consequent || !alternate) return;
+      exprs.push((0, _generated2.conditionalExpression)(_node.test, consequent, alternate));
+    } else if ((0, _generated.isBlockStatement)(_node)) {
+      var body = gatherSequenceExpressions(_node.body, scope, declars);
+      if (!body) return;
+      exprs.push(body);
+    } else if ((0, _generated.isEmptyStatement)(_node)) {
+      ensureLastUndefined = true;
+    } else {
+      return;
+    }
+  }
+
+  if (ensureLastUndefined) {
+    exprs.push(scope.buildUndefinedNode());
+  }
+
+  if (exprs.length === 1) {
+    return exprs[0];
+  } else {
+    return (0, _generated2.sequenceExpression)(exprs);
+  }
+}
+\ No newline at end of file