Fixed lint errors.

src/components/fields/_DataProperty.jsx

@@ -15,6 +15,11 @@ import DeleteStopButton from './_DeleteStopButton'
 
 export default class DataProperty extends React.Component {
   static propTypes = {
+    onChange: PropTypes.func,
+    onDeleteStop: PropTypes.func,
+    onAddStop: PropTypes.func,
+    fieldName: PropTypes.string,
+    fieldSpec: PropTypes.object,
     value: PropTypes.oneOfType([
       PropTypes.object,
       PropTypes.string,

src/components/fields/_SpecProperty.jsx

@@ -11,7 +11,9 @@ import labelFromFieldName from './_labelFromFieldName'
 export default class SpecProperty extends React.Component {
   static propTypes = {
     onZoomClick: PropTypes.func.isRequired,
-    onDataClick: PropTypes.func.isRequired
+    onDataClick: PropTypes.func.isRequired,
+    fieldName: PropTypes.string,
+    fieldSpec: PropTypes.object
   }
 
   render() {

src/components/fields/_ZoomProperty.jsx

@@ -15,6 +15,18 @@ import sortNumerically from '../../libs/sort-numerically'
 
 export default class ZoomProperty extends React.Component {
   static propTypes = {
+    onChange: PropTypes.func,
+    onDeleteStop: PropTypes.func,
+    onAddStop: PropTypes.func,
+    fieldName: PropTypes.string,
+    fieldSpec: PropTypes.object,
+    value: PropTypes.oneOfType([
+      PropTypes.object,
+      PropTypes.string,
+      PropTypes.number,
+      PropTypes.bool,
+      PropTypes.array
+    ]),
   }