Bump Prettier to 1.13.4 on xplat

Summary:
@public

Bump Prettier to use version 1.13.4
All code changes are caused by running Prettier and should only affect files that have an `format` header.
All other changes caused by yarn.

Reviewed By: ryanmce

Differential Revision: D8251255

fbshipit-source-id: 0b4445c35f1269d72730f2000002a27c1bc35914

website/src/components/Playground/Editor.js

@@ -336,8 +336,7 @@ export default class Editor extends Component<Props> {
               icon="plus-circle-o"
               disabled={!Boolean(this.props.onAdd)}
               onClick={this.props.onAdd}
-              type="primary"
-            >
+              type="primary">
               add child node
             </Button>
           </Col>
@@ -346,8 +345,7 @@ export default class Editor extends Component<Props> {
               icon="close-circle-o"
               disabled={!Boolean(this.props.onRemove)}
               onClick={this.props.onRemove}
-              type="danger"
-            >
+              type="danger">
               remove node
             </Button>
           </Col>

website/src/components/Playground/index.js

@@ -154,7 +154,7 @@ export default class Playground extends Component<Props, State> {
   modifyAtPath(
     path: Array<any>,
     value: any,
-    selectedNodePath?: ?Array<number> = this.state.selectedNodePath
+    selectedNodePath?: ?Array<number> = this.state.selectedNodePath,
   ) {
     // $FlowFixMe
     const layoutDefinition = setIn(this.state.layoutDefinition, path, value);
@@ -169,7 +169,7 @@ export default class Playground extends Component<Props, State> {
   }
 
   getHash = (
-    layoutDefinition: LayoutRecordT = this.state.layoutDefinition
+    layoutDefinition: LayoutRecordT = this.state.layoutDefinition,
   ): string =>
     btoa(JSON.stringify(this.removeUnchangedProperties(layoutDefinition)));
 
@@ -206,7 +206,7 @@ export default class Playground extends Component<Props, State> {
       this.state.selectedNodePath || []
     ).reduce(
       (node: LayoutRecordT, cv) => node.children.get(cv),
-      this.state.layoutDefinition
+      this.state.layoutDefinition,
     );
     return selectedNode ? selectedNode.children.size : 0;
   };
@@ -226,8 +226,7 @@ export default class Playground extends Component<Props, State> {
         style={{height, maxHeight: height}}
         ref={ref => {
           this._containerRef = ref;
-        }}
-      >
+        }}>
         <YogaNode
           layoutDefinition={layoutDefinition}
           selectedNodePath={selectedNodePath}
@@ -252,8 +251,7 @@ export default class Playground extends Component<Props, State> {
                   ) : (
                     <Button
                       href={`/playground#${this.getHash()}`}
-                      type="primary"
-                    >
+                      type="primary">
                       Open Playground
                     </Button>
                   )}
@@ -297,7 +295,7 @@ export default class Playground extends Component<Props, State> {
           <div>
             {this.props.renderSidebar(
               layoutDefinition.getIn(getPath(selectedNodePath)),
-              this.onChangeLayout
+              this.onChangeLayout,
             )}
           </div>
           {playground}