Initial commit

node_modules/dom-helpers/query/scrollParent.js

@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = scrollPrarent;
+
+var _style = require('../style');
+
+var _style2 = _interopRequireDefault(_style);
+
+var _height = require('./height');
+
+var _height2 = _interopRequireDefault(_height);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function scrollPrarent(node) {
+  var position = (0, _style2.default)(node, 'position'),
+      excludeStatic = position === 'absolute',
+      ownerDoc = node.ownerDocument;
+
+  if (position === 'fixed') return ownerDoc || document;
+
+  while ((node = node.parentNode) && node.nodeType !== 9) {
+
+    var isStatic = excludeStatic && (0, _style2.default)(node, 'position') === 'static',
+        style = (0, _style2.default)(node, 'overflow') + (0, _style2.default)(node, 'overflow-y') + (0, _style2.default)(node, 'overflow-x');
+
+    if (isStatic) continue;
+
+    if (/(auto|scroll)/.test(style) && (0, _height2.default)(node) < node.scrollHeight) return node;
+  }
+
+  return document;
+}
+module.exports = exports['default'];