Migrate from tslint (deprecated) to eslint (vkolgi#70)

* chore(migrate): migrate from TSLint to ESLint + Prettier

Author: vkolgi

.prettierrc

@@ -0,0 +1,7 @@
+{
+    "singleQuote": true,
+    "semi": true,
+    "trailingComma": "es5",
+    "printWidth": 80,
+    "tabWidth": 4
+}

CHANGELOG.md

@@ -1,5 +1,11 @@
 # json-to-graphql-query Changelog
 
+## 2.3.0
+
+- chore(migrate): Migrated from tslint(deprecated) to eslint configuration
+- ci: Added lint:fix command to fix eslint errors
+- chore: Added complimenting prettier configuration
+
 ## 2.2.6
 
 - fix: Handle deep nested falsy values in result #68

eslint.config.mjs

@@ -0,0 +1,49 @@
+import tsEslint from '@typescript-eslint/eslint-plugin';
+import parser from '@typescript-eslint/parser';
+
+export default [
+    {
+        files: ['src/**/*.{ts,tsx,js,jsx}'],
+        languageOptions: {
+            parser: parser,
+            parserOptions: {
+                ecmaVersion: 2020,
+                sourceType: 'module',
+                project: './tsconfig.json',
+                tsconfigRootDir: '.',
+                extraFileExtensions: ['.ts', '.tsx'],
+            },
+        },
+        plugins: {
+            '@typescript-eslint': tsEslint,
+        },
+        rules: {
+            'comma-dangle': 'off',
+            'sort-keys': 'off',
+            'quote-props': ['error', 'as-needed'],
+            'import/order': 'off',
+            'no-console': 'off',
+            '@typescript-eslint/no-unused-vars': 'off',
+            eqeqeq: 'off',
+            'brace-style': 'off',
+            curly: 'off',
+            'semi-style': 'off',
+            'prefer-arrow/prefer-arrow-functions': 'off',
+            quotes: ['error', 'single', { avoidEscape: true }],
+            'for-in': 'off',
+            '@typescript-eslint/naming-convention': 'off',
+            'no-empty': 'off',
+            'import/no-extraneous-dependencies': 'off',
+            '@typescript-eslint/no-string-literal': 'off',
+            'no-restricted-imports': 'off',
+            'object-shorthand': 'off',
+            '@typescript-eslint/explicit-member-accessibility': 'off',
+            'prefer-ternary': 'off',
+            'prefer-for-of': 'off',
+            '@typescript-eslint/member-ordering': 'off',
+            'prefer-object-spread': 'off',
+            'eol-last': 'off',
+            '@typescript-eslint/array-type': 'off',
+        },
+    },
+];