refactor: Footer according eslint rules

.eslintrc

@@ -10,18 +10,18 @@
   "extends": [
     "eslint:recommended",
     "google",
-    "plugin:react/recommended",
     "plugin:flowtype/recommended",
     "plugin:jest/recommended",
     "plugin:prettier/recommended",
+    "plugin:react/recommended",
     "plugin:verdaccio/recommended",
     "plugin:jsx-a11y/recommended"
   ],
   "settings": {
     "react": {
-      "pragma": "React",  // Pragma to use
-      "version": "16.4.2", // React version
-      "flowVersion": "0.81.0" // Flow version
+      "pragma": "React",
+      "version": "16.4.2",
+      "flowVersion": "0.81.0"
     }
   },
   "parser": "babel-eslint",
@@ -88,7 +88,7 @@
     "react/jsx-no-duplicate-props": ["warn"],
     "react/jsx-no-literals": ["warn"],
     "react/jsx-no-undef": ["warn"],
-    "react/jsx-one-expression-per-line": ["warn", {"allow": "literal"}],
+    "react/jsx-one-expression-per-line": ["warn", {"allow": "single-child"}],
     "react/jsx-curly-brace-presence": ["warn", { "props": "always", "children": "ignore" }],
     "react/jsx-pascal-case": ["warn"],
     "react/jsx-props-no-multi-spaces": ["warn"],

src/webui/components/Footer/index.js

@@ -8,14 +8,9 @@ import type { Element } from 'react';
 
 import { version } from '../../../../package.json';
 import { Wrapper, Left, Right, Earth, Flags, Love, Flag, Logo, Inner, ToolTip } from './styles';
+import { goToVerdaccioWebsite } from '../../utils/windows.js';
 
-const Footer = (): Element<Wrapper> => (
-  <Wrapper>
-    <Inner>
-      <Left>
-        Made with
-        <Love>♥</Love>
-        on
+const renderTooltip = () => (
   <ToolTip>
     <Earth name={'earth'} size={'md'} />
     <Flags>
@@ -28,12 +23,34 @@ const Footer = (): Element<Wrapper> => (
       <Flag name={'austria'} size={'md'} />
     </Flags>
   </ToolTip>
-      </Left>
+);
+const POWERED_LABEL = 'Powered by';
+const MADEWITH_LABEL = ' Made with';
+const ON_LABEL = 'on';
+const HEARTH_EMOJI = '♥';
+
+const renderRight = () => (
   <Right>
-        Powered by
-        <Logo img={true} name={'verdaccio'} onClick={() => window.open('http://www.verdaccio.org/', '_blank')} pointer={true} size={'md'} />
+    {POWERED_LABEL}
+    <Logo img={true} name={'verdaccio'} onClick={goToVerdaccioWebsite} pointer={true} size={'md'} />
     {`/ ${version}`}
   </Right>
+);
+
+const renderLeft = () => (
+  <Left>
+    {MADEWITH_LABEL}
+    <Love>{HEARTH_EMOJI}</Love>
+    {ON_LABEL}
+    {renderTooltip()}
+  </Left>
+);
+
+const Footer = (): Element<Wrapper> => (
+  <Wrapper>
+    <Inner>
+      {renderLeft()}
+      {renderRight()}
     </Inner>
   </Wrapper>
 );

src/webui/utils/windows.js

@@ -0,0 +1,3 @@
+export function goToVerdaccioWebsite() {
+	window.open('https://www.verdaccio.org/', '_blank');
+}