Update ESLint configuration from JS to JSON format

.eslintignore

@@ -1,3 +1,2 @@
 /dist
 /node_modules
-.eslintrc.js

.eslintrc.js

@@ -1,72 +0,0 @@
-module.exports = {
-  root: true,
-  extends: [
-    // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#usage
-    // ESLint typescript rules
-    'plugin:@typescript-eslint/recommended',
-    'airbnb-base'
-  ],
-  plugins: [
-    // required to apply rules which need type information
-    '@typescript-eslint'
-  ],
-  parserOptions: {
-    project: './tsconfig.eslint.json',
-  },
-  // add your custom rules here
-  rules: {
-    'no-param-reassign': 'off',
-    'no-void': 'off',
-    'no-nested-ternary': 'off',
-    'max-classes-per-file': 'off',
-
-    'no-shadow': 'off',
-    '@typescript-eslint/no-shadow': 'error',
-
-    'import/first': 'off',
-    'import/named': 'error',
-    'import/namespace': 'error',
-    'import/default': 'error',
-    'import/export': 'error',
-    'import/extensions': 'off',
-    'import/no-unresolved': 'off',
-    'import/no-extraneous-dependencies': 'off',
-    'import/prefer-default-export': 'off',
-
-    'prefer-promise-reject-errors': 'off',
-
-    quotes: ['warn', 'single', { avoidEscape: true }],
-
-    // this rule, if on, would require explicit return type on the `render` function
-    '@typescript-eslint/explicit-function-return-type': 'off',
-
-    // in plain CommonJS modules, you can't use `import foo = require('foo')` to pass this rule, so it has to be disabled
-    '@typescript-eslint/no-var-requires': 'off',
-
-    // The core 'no-unused-vars' rules (in the eslint:recommended ruleset)
-    // does not work with type definitions
-    'no-unused-vars': 'off',
-
-    // allow console
-    'no-console': 'off',
-
-    // allow underscore for privates
-    'no-underscore-dangle': 'off',
-
-    // allow debugger during development only
-    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
-
-    // allow plusplus in coding style
-    'no-plusplus': 'off',
-
-    // max-len not affect coding style effectivity
-    'max-len': ['error', {
-      'code': 100,
-      'ignoreComments': true,
-      'ignoreUrls': true,
-      'ignoreStrings': true,
-      'ignoreTemplateLiterals': true,
-      'ignoreRegExpLiterals': true,
-    }]
-  }
-};

.eslintrc.json

@@ -0,0 +1,77 @@
+{
+  "root": true,
+  "extends": [
+    // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#usage
+    // ESLint typescript rules
+    "plugin:@typescript-eslint/recommended",
+    "airbnb-base"
+  ],
+  "plugins": [
+    // required to apply rules which need type information
+    "@typescript-eslint"
+  ],
+  "parserOptions": {
+    "project": "./tsconfig.eslint.json"
+  },
+  // add your custom rules here
+  "rules": {
+    "no-param-reassign": "off",
+    "no-void": "off",
+    "no-nested-ternary": "off",
+    "max-classes-per-file": "off",
+
+    "no-shadow": "off",
+    "@typescript-eslint/no-shadow": "error",
+
+    "import/first": "off",
+    "import/named": "error",
+    "import/namespace": "error",
+    "import/default": "error",
+    "import/export": "error",
+    "import/extensions": "off",
+    "import/no-unresolved": "off",
+    "import/no-extraneous-dependencies": "off",
+    "import/prefer-default-export": "off",
+
+    "prefer-promise-reject-errors": "off",
+
+    "quotes": [
+      "warn", "single",
+      {
+        "avoidEscape": true
+      }
+    ],
+
+    // this rule, if on, would require explicit return type on the `render` function
+    "@typescript-eslint/explicit-function-return-type": "off",
+
+    // in plain CommonJS modules, you can't use `import foo = require('foo')` to pass this rule, so it has to be disabled
+    "@typescript-eslint/no-var-requires": "off",
+
+    // The core 'no-unused-vars' rules (in the eslint:recommended ruleset)
+    // does not work with type definitions
+    "no-unused-vars": "off",
+
+    // allow console
+    "no-console": "off",
+
+    // allow underscore for privates
+    "no-underscore-dangle": "off",
+
+    // allow plusplus in coding style
+    "no-plusplus": "off",
+
+    // max-len not affect coding style effectivity
+    "max-len": [
+      "error",
+      {
+        "code": 100,
+        "ignoreComments": true,
+        "ignoreUrls": true,
+        "ignoreStrings": true,
+        "ignoreTemplateLiterals": true,
+        "ignoreRegExpLiterals": true
+      }
+    ]
+  }
+}