txnbot - rewrite and lint (#53)

resolves #46

Co-authored-by: johba <johba@harb.eth>
Reviewed-on: https://codeberg.org/johba/harb/pulls/53

services/txnBot/eslint.config.js

@@ -0,0 +1,65 @@
+import eslint from '@eslint/js';
+import tseslint from '@typescript-eslint/eslint-plugin';
+import tsparser from '@typescript-eslint/parser';
+import eslintConfigPrettier from 'eslint-config-prettier';
+
+export default [
+  eslint.configs.recommended,
+  {
+    files: ['src/**/*.ts'],
+    languageOptions: {
+      parser: tsparser,
+      parserOptions: {
+        ecmaVersion: 2022,
+        sourceType: 'module',
+        project: './tsconfig.json',
+      },
+      globals: {
+        process: 'readonly',
+        fetch: 'readonly',
+        setInterval: 'readonly',
+      },
+    },
+    plugins: {
+      '@typescript-eslint': tseslint,
+    },
+    rules: {
+      indent: ['error', 2, { SwitchCase: 1 }],
+      'max-len': ['error', { code: 140, ignoreUrls: true, ignoreStrings: true }],
+      'no-unused-vars': 'off',
+      '@typescript-eslint/no-unused-vars': [
+        'error',
+        {
+          argsIgnorePattern: '^_',
+          varsIgnorePattern: '^_',
+        },
+      ],
+      '@typescript-eslint/no-explicit-any': 'error',
+      '@typescript-eslint/explicit-function-return-type': ['error', { allowExpressions: true }],
+      '@typescript-eslint/naming-convention': [
+        'error',
+        {
+          selector: 'variable',
+          format: ['camelCase', 'UPPER_CASE'],
+          filter: {
+            regex: '^__',
+            match: false,
+          },
+        },
+        {
+          selector: 'function',
+          format: ['camelCase'],
+        },
+        {
+          selector: 'typeLike',
+          format: ['PascalCase'],
+        },
+      ],
+      'no-console': 'error',
+      complexity: 'off',
+      'max-lines': 'off',
+      'max-statements': 'off',
+    },
+  },
+  eslintConfigPrettier,
+];