chore: update linting

.eslintrc.js

@@ -20,6 +20,7 @@ module.exports = {
         'no-console': 'off',
         'no-unused-expressions': 'off',
         'class-methods-use-this': 'off',
+        'max-classes-per-file': 'off',
       },
     },
   ],

packages/fieldset/test/lion-fieldset.test.js

@@ -650,11 +650,9 @@ describe('<lion-fieldset>', () => {
 
     it('has correct validation afterwards', async () => {
       const isCat = modelValue => ({ isCat: modelValue === 'cat' });
-      const containsA = modelValues => {
+      const containsA = modelValues => ({
-        return {
+        containsA: modelValues.color ? modelValues.color.indexOf('a') > -1 : false,
-          containsA: modelValues.color ? modelValues.color.indexOf('a') > -1 : false,
+      });
-        };
-      };
 
       const el = await fixture(html`
         <${tag} .errorValidators=${[[containsA]]}>

packages/form-system/stories/index.stories.js

@@ -14,8 +14,9 @@ import '@lion/input-amount/lion-input-amount.js';
 import '@lion/input-date/lion-input-date.js';
 import '@lion/input-email/lion-input-email.js';
 
-storiesOf('Forms|Form', module).add('Umbrella form', () => {
+storiesOf('Forms|Form', module).add(
-  return html`
+  'Umbrella form',
+  () => html`
     <lion-form
       ><form>
         <lion-input
@@ -103,5 +104,5 @@ storiesOf('Forms|Form', module).add('Umbrella form', () => {
         </div>
       </form></lion-form
     >
-  `;
+  `,
-});
+);

packages/input-date/src/LionInputDate.js

@@ -19,9 +19,7 @@ export class LionInputDate extends FieldCustomMixin(LocalizeMixin(LionInput)) {
 
   constructor() {
     super();
-    this.parser = (value, options) => {
+    this.parser = (value, options) => (value === '' ? undefined : parseDate(value, options));
-      return value === '' ? undefined : parseDate(value, options);
-    };
     this.formatter = formatDate;
   }
 

packages/input-iban/src/validators.js

@@ -1,8 +1,6 @@
 import { isValidIBAN } from '@bundled-es-modules/ibantools/ibantools.js';
 
-export const isIBAN = value => {
+export const isIBAN = value => isValidIBAN(value);
-  return isValidIBAN(value);
-};
 
 export const isIBANValidator = () => [(...params) => ({ isIBAN: isIBAN(...params) })];
 

packages/select-rich/src/LionSelectRich.js

@@ -89,9 +89,7 @@ export class LionSelectRich extends FormRegistrarMixin(
   get slots() {
     return {
       ...super.slots,
-      invoker: () => {
+      invoker: () => document.createElement('lion-select-invoker'),
-        return document.createElement('lion-select-invoker');
-      },
     };
   }
 

scripts/rewrite-links.js

@@ -74,9 +74,7 @@ function rewriteLinksInMdContent(mdContent, filePath, cfg = rewriteLinksConfig)
     return newHref;
   };
 
-  const mdLink = (href, title, text) => {
+  const mdLink = (href, title, text) => `[${text}](${rewrite(href)}${title ? ` ${title}` : ''})`;
-    return `[${text}](${rewrite(href)}${title ? ` ${title}` : ''})`;
-  };
 
   const resultLinks = [];
   // /^!?\[(label)\]\(href(?:\s+(title))?\s*\)/

wallaby.js

@@ -3,13 +3,9 @@ const wallabyWebpack = require('wallaby-webpack'); // eslint-disable-line import
 // filter packages, e.g. 'core' / '{radio,radio-button}' / '{form,input*}'
 const packagePattern = '*';
 
-const replaceAll = (str, oldValue, newValue) => {
+const replaceAll = (str, oldValue, newValue) => str.split(oldValue).join(newValue);
-  return str.split(oldValue).join(newValue);
-};
 
-const countOccurences = (str, subbstr) => {
+const countOccurences = (str, subbstr) => str.split(subbstr).length - 1;
-  return str.split(subbstr).length - 1;
-};
 
 const makeLionImportsRelative = file => {
   // example: