Update to prettier v2

Author: flekschas

.eslintrc

@@ -5,8 +5,8 @@
   },
   "extends": [
     "eslint:recommended",
-    "airbnb",
-    "prettier",
+    "airbnb/base",
+    "plugin:prettier/recommended",
   ],
   "parserOptions": {
     "ecmaVersion": 2018,

examples/books.js

@@ -1,7 +1,7 @@
 import createPilingJs, {
   createImageRenderer,
   createRepresentativeAggregator,
-  createRepresentativeRenderer
+  createRepresentativeRenderer,
 } from '../src';
 
 const createBookPiles = async (element, darkMode) => {
@@ -12,19 +12,19 @@ const createBookPiles = async (element, darkMode) => {
   const renderer = imageRenderer;
 
   // For previews
-  const coverAggregator = _items =>
+  const coverAggregator = (_items) =>
     Promise.resolve(_items[_items.length - 1].src);
-  const previewAggregator = _items =>
-    Promise.resolve(_items.map(item => item.edge));
+  const previewAggregator = (_items) =>
+    Promise.resolve(_items.map((item) => item.edge));
 
   // For gallery preview
   const representativeRenderer = createRepresentativeRenderer(renderer, {
     backgroundColor: darkMode ? 0xffffff : 0x000000,
-    outerPadding: 0
+    outerPadding: 0,
   });
 
   const representativeAggregator = createRepresentativeAggregator(9, {
-    valueGetter: item => item.src
+    valueGetter: (item) => item.src,
   });
 
   const piling = createPilingJs(element, {
@@ -36,7 +36,7 @@ const createBookPiles = async (element, darkMode) => {
     pileCellAlignment: 'center',
     pileBorderSize: 1,
     cellPadding: 16,
-    navigationMode: 'panZoom'
+    navigationMode: 'panZoom',
   });
 
   const defaultProps = {
@@ -50,7 +50,7 @@ const createBookPiles = async (element, darkMode) => {
     previewAggregator: piling.get('previewAggregator'),
     previewItemOffset: piling.get('previewItemOffset'),
     previewRenderer: piling.get('previewRenderer'),
-    previewScaleToCover: piling.get('previewScaleToCover')
+    previewScaleToCover: piling.get('previewScaleToCover'),
   };
 
   const additionalSidebarOptions = [
@@ -61,23 +61,23 @@ const createBookPiles = async (element, darkMode) => {
           name: 'Default',
           action: () => {
             piling.set({ ...defaultProps });
-          }
+          },
         },
         {
           name: 'Random Item Arrangement',
           action: () => {
             piling.set({
               ...defaultProps,
-              pileScale: pile =>
+              pileScale: (pile) =>
                 pile.items.reduce((sum, index) => sum + items[index].scale, 0) /
                 pile.items.length,
               pileItemOffset: (item, i) => [
                 i * 2 + (Math.random() * 20 - 10),
-                i * -10 + (Math.random() * 8 - 4)
+                i * -10 + (Math.random() * 8 - 4),
               ],
-              pileItemRotation: () => Math.random() * 16 - 8
+              pileItemRotation: () => Math.random() * 16 - 8,
             });
-          }
+          },
         },
         {
           name: 'Left-Aligned Foreshortened Previews',
@@ -90,10 +90,10 @@ const createBookPiles = async (element, darkMode) => {
               previewRenderer: renderer,
               previewAlignment: 'left',
               previewScaleToCover: ['auto', true],
-              pileOrderItems: pile => [...pile.items].reverse(),
-              pileVisibilityItems: true
+              pileOrderItems: (pile) => [...pile.items].reverse(),
+              pileVisibilityItems: true,
             });
-          }
+          },
         },
         {
           name: 'Gallery Previews',
@@ -102,12 +102,12 @@ const createBookPiles = async (element, darkMode) => {
               ...defaultProps,
               coverAggregator: representativeAggregator,
               coverRenderer: representativeRenderer,
-              pileVisibilityItems: pile => pile.items.length === 1
+              pileVisibilityItems: (pile) => pile.items.length === 1,
             });
-          }
-        }
-      ]
-    }
+          },
+        },
+      ],
+    },
   ];
 
   return [piling, additionalSidebarOptions];