Patch: changed formatting and linting configs

* Added `.prettierrc.js`
* Synced `.editorconfig`, `.prettierrc.js` and `eslintrc.js`
* Re-formatted entire source code

.editorconfig

@@ -5,18 +5,17 @@ root = true
 
 # Unix-style newlines with a newline ending every file
 [*]
+charset = utf-8
+indent_style = space
+indent_size = 2
 end_of_line = lf
 insert_final_newline = true
+trim_trailing_whitespace = false
+# max_line_length = 80
 
 [**/*.js]
-charset = utf-8
+# indent_style = tab
 trim_trailing_whitespace = true
-indent_style = tab
-indent_size = 2
-
-[**/*.{json,yml}]
-indent_style = space
-indent_size = 2
 
 # Leave PO/MO/POT files alone
 [**/*.{po,mo,pot}]

.eslintrc.js

@@ -1,38 +1,22 @@
 module.exports = {
-	'env': {
-		'commonjs': true,
-		'es2021': true,
-		'node': true
-	},
-	'extends': 'eslint:recommended',
-	'overrides': [
-		{
-			'env': { 'jest': true },
-			'files': ['test/**'],
-			'plugins': ['jest'],
-			'extends': ['plugin:jest/recommended'],
-			'rules': {}
-		}
-	],
-	'parserOptions': {
-		'ecmaVersion': 'latest'
-	},
-	'rules': {
-		'indent': [
-			'error',
-			'tab'
-		],
-		'linebreak-style': [
-			'error',
-			'unix'
-		],
-		'quotes': [
-			'error',
-			'single'
-		],
-		'semi': [
-			'error',
-			'always'
-		],
-	}
+  env: {
+    commonjs: true,
+    es2021: true,
+    node: true,
+  },
+  extends: ['eslint:recommended', 'plugin:prettier/recommended'],
+  overrides: [
+    {
+      env: {
+        jest: true,
+      },
+      files: ['test/**'],
+      plugins: ['jest'],
+      extends: ['plugin:jest/recommended'],
+      rules: {},
+    },
+  ],
+  parserOptions: {
+    ecmaVersion: 'latest',
+  },
 };

.prettierrc.js

@@ -0,0 +1,8 @@
+module.exports = {
+  trailingComma: 'es5',
+  tabWidth: 2,
+  semi: true,
+  singleQuote: true,
+  jsxSingleQuote: true,
+  useTabs: false,
+};