From d9777df0fb05c8f053b1bbdcb8a9a2801570144f Mon Sep 17 00:00:00 2001
From: Janis Hutz <development@janishutz.com>
Date: Sun, 27 Apr 2025 10:01:54 +0200
Subject: [PATCH] [Lint] Add linter config for eslint, not done yet

---
 config/lint/eslint.config.mjs | 65 +++++++++++++++++++++++++++++++++++
 scripts/setup-eslint          |  9 +++++
 2 files changed, 74 insertions(+)
 create mode 100644 config/lint/eslint.config.mjs
 create mode 100755 scripts/setup-eslint

diff --git a/config/lint/eslint.config.mjs b/config/lint/eslint.config.mjs
new file mode 100644
index 0000000..05f1e56
--- /dev/null
+++ b/config/lint/eslint.config.mjs
@@ -0,0 +1,65 @@
+// @ts-check
+
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import stylistic from '@stylistic/eslint-plugin';
+
+export default tseslint.config(
+    eslint.configs.recommended,
+    ...tseslint.configs.recommended,
+    {
+        'plugins': {
+            '@stylistic/js': stylistic,
+            '@stylistic/ts': stylistic,
+        },
+        'rules': {
+            // Formatting
+            '@stylistic/js/array-bracket-newline': [ 'error', { 'multiline': true, 'minItems': 4 } ],
+            '@stylistic/js/array-bracket-spacing': [ 'error', 'always' ],
+            '@stylistic/js/array-element-newline': [ 'error', { 'multiline': true, 'minItems': 4 } ],
+            '@stylistic/js/arrow-parens': [ 'error', 'always' ],
+            '@stylistic/js/arrow-spacing': [ 'error', { 'before': true, 'after': true } ],
+            '@stylistic/js/block-spacing': [ 'error', 'always' ],
+            '@stylistic/js/brace-style': [ 'error', '1tbs' ],
+            '@stylistic/js/comma-spacing': [ 'error', { 'before': false, 'after': true } ],
+            '@stylistic/js/comma-style': [ 'error', 'last' ],
+            '@stylistic/js/dot-location': [ 'error', 'property' ],
+            '@stylistic/js/eol-last': [ 'error', 'always' ],
+            '@stylistic/js/function-call-spacing': [ 'error', 'never' ],
+            '@stylistic/js/implicit-arrow-linebreak': [ 'error', 'beside' ],
+            '@stylistic/js/indent': [ 'error', 4 ],
+            '@stylistic/js/key-spacing': [ 'error', { 'beforeColon': false, 'afterColon': true } ],
+            '@stylistic/js/keyword-spacing': [ 'error', { 'before': true, 'after': true } ],
+            '@stylistic/js/lines-between-class-members': [ 'error', 'always' ],
+            '@stylistic/js/new-parens': [ 'error', 'always' ],
+            '@stylistic/js/no-extra-parens': [ 'error', 'all' ],
+            '@stylistic/js/no-extra-semi': 'error',
+            '@stylistic/js/no-floating-decimal': 'error',
+            '@stylistic/js/no-mixed-operators': 'error',
+            '@stylistic/js/no-mixed-spaces-and-tabs': 'error',
+            '@stylistic/js/no-multi-spaces': 'error',
+            '@stylistic/js/no-trailing-spaces': 'error',
+            '@stylistic/js/no-whitespace-before-property': 'error',
+            '@stylistic/js/object-curly-newline': [ 'error', { 'multiline': true, 'minProperties': 3 } ],
+            '@stylistic/js/object-curly-spacing': [ 'error', 'always' ],
+            '@stylistic/js/one-var-declaration-per-line': 'error',
+            '@stylistic/js/quote-props': [ 'error', 'always' ],
+            '@stylistic/js/quotes': [ 'error', 'single' ],
+            '@stylistic/js/rest-spread-spacing': [ 'error', 'never' ],
+            '@stylistic/js/semi': [ 'error', 'always' ],
+            '@stylistic/js/semi-spacing': [ 'error', { 'before': false, 'after': true } ],
+            '@stylistic/js/semi-style': [ 'error', 'last' ],
+            '@stylistic/js/space-before-blocks': [ 'error', 'always' ],
+            '@stylistic/js/space-before-function-paren': [ 'error', 'always' ],
+            '@stylistic/js/space-in-parens': [ 'error', 'always' ],
+            '@stylistic/js/space-infix-ops': [ 'error', { 'int32Hint': false } ],
+            '@stylistic/js/space-unary-ops': 'error',
+            '@stylistic/js/spaced-comment': [ 'error', 'always' ],
+            '@stylistic/js/switch-colon-spacing': 'error',
+            '@stylistic/js/template-curly-spacing': [ 'error', 'always' ],
+            '@stylistic/js/wrap-iife': [ 'error', 'inside' ],
+            '@stylistic/js/wrap-regex': 'error',
+            '@stylistic/ts/type-annotation-spacing': 'error',
+        }
+    }
+);
diff --git a/scripts/setup-eslint b/scripts/setup-eslint
new file mode 100755
index 0000000..3429a70
--- /dev/null
+++ b/scripts/setup-eslint
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+SCRIPT_DIR=$(dirname "$0")
+
+cp "$SCRIPT_DIR/../config/lint/eslint.config.mjs" .
+
+# TODO: Improve eslint config to include JSX and Vue configs too, read on website
+npm i --save-dev @eslint/js typescript-eslint @stylistic/eslint-plugin
+