upgrade to prettier 2 (#5051)

* arrowParens: avoid
* remove trailingComma setting

services/npm/npm-base.js

@@ -29,9 +29,7 @@ const packageDataSchema = Joi.object({
   // https://www.typescriptlang.org/docs/handbook/declaration-files/publishing.html#including-declarations-in-your-npm-package
   // > Note that the "typings" field is synonymous with "types"
   typings: Joi.string(),
-  files: Joi.array()
-    .items(Joi.string())
-    .default([]),
+  files: Joi.array().items(Joi.string()).default([]),
 }).required()
 
 const queryParamSchema = Joi.object({

services/npm/npm-base.spec.js

@@ -6,9 +6,9 @@ const { cleanUpNockAfterEach, defaultContext } = require('../test-helpers')
 // use NPM Version as an example implementation of NpmBase for this test
 const NpmVersion = require('./npm-version.service')
 
-describe('npm', function() {
-  describe('auth', function() {
-    it('sends the auth information as configured', async function() {
+describe('npm', function () {
+  describe('auth', function () {
+    it('sends the auth information as configured', async function () {
       cleanUpNockAfterEach()
 
       const token = 'abc123'

services/npm/npm-downloads.service.js

@@ -33,9 +33,7 @@ const intervalMap = {
     query: 'range/1000-01-01:3000-01-01',
     // https://github.com/npm/registry/blob/master/docs/download-counts.md#output-1
     schema: Joi.object({
-      downloads: Joi.array()
-        .items(pointResponseSchema)
-        .required(),
+      downloads: Joi.array().items(pointResponseSchema).required(),
     }).required(),
     transform: json =>
       json.downloads

services/npm/npm-downloads.spec.js

@@ -3,7 +3,7 @@
 const { test, given } = require('sazerac')
 const NpmDownloads = require('./npm-downloads.service')
 
-describe('NpmDownloads', function() {
+describe('NpmDownloads', function () {
   test(NpmDownloads._intervalMap.dt.transform, () => {
     given({
       downloads: [

services/npm/npm-downloads.tester.js

@@ -3,25 +3,21 @@
 const { isMetricOverTimePeriod, isMetric } = require('../test-validators')
 const t = (module.exports = require('../tester').createServiceTester())
 
-t.create('weekly downloads of left-pad')
-  .get('/dw/left-pad.json')
-  .expectBadge({
-    label: 'downloads',
-    message: isMetricOverTimePeriod,
-    color: 'brightgreen',
-  })
+t.create('weekly downloads of left-pad').get('/dw/left-pad.json').expectBadge({
+  label: 'downloads',
+  message: isMetricOverTimePeriod,
+  color: 'brightgreen',
+})
 
 t.create('weekly downloads of @cycle/core')
   .get('/dw/@cycle/core.json')
   .expectBadge({ label: 'downloads', message: isMetricOverTimePeriod })
 
-t.create('total downloads of left-pad')
-  .get('/dt/left-pad.json')
-  .expectBadge({
-    label: 'downloads',
-    message: isMetric,
-    color: 'brightgreen',
-  })
+t.create('total downloads of left-pad').get('/dt/left-pad.json').expectBadge({
+  label: 'downloads',
+  message: isMetric,
+  color: 'brightgreen',
+})
 
 t.create('total downloads of @cycle/core')
   .get('/dt/@cycle/core.json')

services/npm/npm-type-definitions.spec.js

@@ -3,7 +3,7 @@
 const { test, given, forCases } = require('sazerac')
 const NpmTypeDefinitions = require('./npm-type-definitions.service')
 
-describe('NPM type definitions badge', function() {
+describe('NPM type definitions badge', function () {
   test(NpmTypeDefinitions.transform, () => {
     forCases([
       given({ devDependencies: { typescript: '^2.4.7' }, files: [] }),