add all frontend files

node_modules/toggle-selection/index.js

@@ -0,0 +1,39 @@
+
+module.exports = function () {
+  var selection = document.getSelection();
+  if (!selection.rangeCount) {
+    return function () {};
+  }
+  var active = document.activeElement;
+
+  var ranges = [];
+  for (var i = 0; i < selection.rangeCount; i++) {
+    ranges.push(selection.getRangeAt(i));
+  }
+
+  switch (active.tagName.toUpperCase()) { // .toUpperCase handles XHTML
+    case 'INPUT':
+    case 'TEXTAREA':
+      active.blur();
+      break;
+
+    default:
+      active = null;
+      break;
+  }
+
+  selection.removeAllRanges();
+  return function () {
+    selection.type === 'Caret' &&
+    selection.removeAllRanges();
+
+    if (!selection.rangeCount) {
+      ranges.forEach(function(range) {
+        selection.addRange(range);
+      });
+    }
+
+    active &&
+    active.focus();
+  };
+};