Initial commit

node_modules/react-overlays/lib/utils/manageAriaHidden.js

@@ -0,0 +1,47 @@
+'use strict';
+
+exports.__esModule = true;
+exports.ariaHidden = ariaHidden;
+exports.hideSiblings = hideSiblings;
+exports.showSiblings = showSiblings;
+
+var BLACKLIST = ['template', 'script', 'style'];
+
+var isHidable = function isHidable(_ref) {
+  var nodeType = _ref.nodeType,
+      tagName = _ref.tagName;
+  return nodeType === 1 && BLACKLIST.indexOf(tagName.toLowerCase()) === -1;
+};
+
+var siblings = function siblings(container, mount, cb) {
+  mount = [].concat(mount);
+
+  [].forEach.call(container.children, function (node) {
+    if (mount.indexOf(node) === -1 && isHidable(node)) {
+      cb(node);
+    }
+  });
+};
+
+function ariaHidden(show, node) {
+  if (!node) {
+    return;
+  }
+  if (show) {
+    node.setAttribute('aria-hidden', 'true');
+  } else {
+    node.removeAttribute('aria-hidden');
+  }
+}
+
+function hideSiblings(container, mountNode) {
+  siblings(container, mountNode, function (node) {
+    return ariaHidden(true, node);
+  });
+}
+
+function showSiblings(container, mountNode) {
+  siblings(container, mountNode, function (node) {
+    return ariaHidden(false, node);
+  });
+}