Switch to using airbnb base eslint as there is no need for react rules here

Author: yandavid

.eslintrc.js

@@ -1,14 +1,12 @@
 module.exports = {
-  extends: 'airbnb',
+  extends: 'airbnb-base',
   env: {
     browser: true,
     jest: true,
   },
   rules: {
-    'array-bracket-spacing': 'off',
-    'arrow-parens': 'off',
-    'no-plusplus': 'off',
-    'no-restricted-syntax': 'off',
+    'array-bracket-spacing': [ 'error', 'always' ],
+    'arrow-parens': [ 'error', 'as-needed' ],
     'no-underscore-dangle': 'off',
   },
 };

package.json

@@ -28,11 +28,9 @@
     "babel-plugin-transform-object-rest-spread": "6.26.0",
     "babel-preset-env": "1.6.0",
     "eslint": "4.5.0",
-    "eslint-config-airbnb": "15.1.0",
+    "eslint-config-airbnb-base": "11.3.2",
     "eslint-loader": "1.9.0",
     "eslint-plugin-import": "2.7.0",
-    "eslint-plugin-jsx-a11y": "5.1.1",
-    "eslint-plugin-react": "7.3.0",
     "jest": "20.0.4",
     "jsdoc-to-markdown": "3.0.0",
     "webpack": "3.5.5"

src/getBounds.js

@@ -5,7 +5,7 @@
  *
  * @return {Object}
  */
-export default (elem) => {
+export default elem => {
   const { top, left, width, height } = elem.getBoundingClientRect();
 
   return {

src/getHeight.js

@@ -7,7 +7,7 @@ import getBounds from './getBounds';
  *
  * @return {Number}         The total height.
  */
-export default (letters) => {
+export default letters => {
   const mid = getBounds(letters[Math.floor(letters.length / 2)]);
   const first = getBounds(letters[0]);
 

src/utils/__tests__/splitNode-test.js

@@ -48,7 +48,7 @@ describe('splitNode', () => {
   it('handles any node', () => {
     const testText = 'Some test text.';
     const { length } = testText;
-    const nodeTypes = ['div', 'a', 'time', 'asdf'];
+    const nodeTypes = [ 'div', 'a', 'time', 'asdf' ];
     const nodes = nodeTypes.map(type => createNode(testText, type));
 
     nodes.forEach(node => expect(splitNode(node)).toHaveLength(length));
@@ -77,7 +77,7 @@ describe('splitNode', () => {
   });
 
   it('handles all emojis (chars whose length might be `2`)', () => {
-    const emojis = ['🙂', '🤓', '👹', '🙉', '💩'];
+    const emojis = [ '🙂', '🤓', '👹', '🙉', '💩' ];
     const testText = emojis.join('');
     const { length } = emojis;
     const node = createNode(testText);