Bump flow version

Reviewed By: priteshrnandgaonkar

Differential Revision: D12839991

fbshipit-source-id: 1dcca0a0bc682bf24430c7313d4af14b87cfc44d

src/plugins/layout/index.js

@@ -107,6 +107,7 @@ type TrackArgs = {|
 type SearchResultTree = {|
   id: string,
   isMatch: Boolean,
+  hasChildren: boolean,
   children: ?Array<SearchResultTree>,
   element: Element,
   axElement: Element,
@@ -476,11 +477,13 @@ export default class Layout extends FlipperPlugin<InspectorState> {
     });
   }
 
-  getElementsFromSearchResultTree(tree: ?SearchResultTree) {
+  getElementsFromSearchResultTree(
+    tree: ?SearchResultTree,
+  ): Array<SearchResultTree> {
     if (!tree) {
       return [];
     }
-    var elements = [
+    let elements = [
       {
         id: tree.id,
         isMatch: tree.isMatch,

src/ui/components/ErrorBoundary.js

@@ -75,7 +75,7 @@ export default class ErrorBoundary extends Component<
         </ErrorBoundaryContainer>
       );
     } else {
-      return this.props.children;
+      return this.props.children || null;
     }
   }
 }

src/ui/components/data-inspector/DataDescription.js

@@ -9,7 +9,7 @@ import type {DataInspectorSetValue} from './DataInspector.js';
 import {PureComponent} from 'react';
 import styled from '../../styled/index.js';
 import {SketchPicker} from 'react-color';
-import {Component} from 'react';
+import {Component, Fragment} from 'react';
 import Popover from '../Popover.js';
 import {colors} from '../colors.js';
 import Input from '../Input.js';
@@ -294,7 +294,7 @@ class ColorEditor extends Component<{
   render() {
     const colorInfo = parseColor(this.props.value);
     if (!colorInfo) {
-      return;
+      return <Fragment />;
     }
 
     return (

src/ui/components/data-inspector/DataInspector.js

@@ -464,7 +464,7 @@ export default class DataInspector extends Component<DataInspectorProps> {
       }
     }
 
-    let propertyNodesContainer;
+    let propertyNodesContainer = null;
     if (isExpandable && isExpanded) {
       const propertyNodes = [];
 
@@ -532,7 +532,7 @@ export default class DataInspector extends Component<DataInspectorProps> {
     if (typeof name !== 'undefined') {
       nameElems.push(
         <Tooltip
-          title={tooltips && tooltips[name]}
+          title={tooltips != null && tooltips[name]}
           key="name"
           options={nameTooltipOptions}>
           <InspectorName>{name}</InspectorName>