now lib is tracked in git

.gitignore

@@ -3,7 +3,6 @@ npm-debug.log
 node_modules
 build
 dist
-lib
 yarn.lock
 
 package-lock.json

lib/AltInputField.js

@@ -0,0 +1,69 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _react = require("react");
+
+var _react2 = _interopRequireDefault(_react);
+
+var _propTypes = require("prop-types");
+
+var _propTypes2 = _interopRequireDefault(_propTypes);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function altInputField(props) {
+  var _props$uiSchema = props.uiSchema,
+      defInput = _props$uiSchema.defInput,
+      altInput = _props$uiSchema.altInput,
+      _props$uiSchema$altIn = _props$uiSchema.altInputSeparator,
+      altInputSeparator = _props$uiSchema$altIn === undefined ? "" : _props$uiSchema$altIn,
+      fields = props.registry.fields,
+      _props$idSchema = props.idSchema;
+  _props$idSchema = _props$idSchema === undefined ? {} : _props$idSchema;
+  var $id = _props$idSchema.$id;
+
+
+  var DefInput = fields[defInput];
+  var AltInput = fields[altInput];
+
+  var noBorder = {
+    border: "0",
+    boxShadow: "none"
+  };
+  return _react2.default.createElement(
+    "div",
+    { className: "row", id: $id },
+    _react2.default.createElement(
+      "div",
+      { className: "col-md-5" },
+      _react2.default.createElement(DefInput, props)
+    ),
+    _react2.default.createElement(
+      "div",
+      { className: "col-md-2 text-center" },
+      _react2.default.createElement(
+        "div",
+        { className: "form-control", style: noBorder },
+        altInputSeparator
+      )
+    ),
+    _react2.default.createElement(
+      "div",
+      { className: "col-md-5" },
+      _react2.default.createElement(AltInput, props)
+    )
+  );
+}
+
+altInputField.propTypes = {
+  uiSchema: _propTypes2.default.shape({
+    defInput: _propTypes2.default.string.isRequired,
+    altInput: _propTypes2.default.string.isRequired,
+    altInputSeparator: _propTypes2.default.string
+  })
+};
+
+exports.default = altInputField;