import js from "@eslint/js";
import globals from "globals";
import tseslint from "typescript-eslint";
export default tseslint.config(
{ ignores: ["dist", "node_modules", ".wrangler", "coverage"] },
// Main source configuration
{
extends: [
js.configs.recommended,
...tseslint.configs.strictTypeChecked,
...tseslint.configs.stylisticTypeChecked,
],
files: ["src/**/*.ts"],
languageOptions: {
ecmaVersion: 2022,
globals: {
...globals.node,
},
parserOptions: {
projectService: true,
tsconfigRootDir: import.meta.dirname,
},
},
rules: {
// Strict rules - type safety
"@typescript-eslint/no-explicit-any": "error",
"@typescript-eslint/explicit-function-return-type": [
"error",
{
allowExpressions: true,
allowTypedFunctionExpressions: true,
allowHigherOrderFunctions: true,
allowDirectConstAssertionInArrowFunctions: true,
allowConciseArrowFunctionExpressionsStartingWithVoid: true,
},
],
"@typescript-eslint/no-unused-vars": [
"error",
{ argsIgnorePattern: "^_" },
],
"@typescript-eslint/no-non-null-assertion": "error",
"@typescript-eslint/strict-boolean-expressions": [
"error",
{
allowNullableBoolean: true,
allowNullableString: true,
allowNullableNumber: false,
allowNullableObject: true,
},
],
"@typescript-eslint/no-floating-promises": "error",
"@typescript-eslint/no-misused-promises": [
"error",
{
checksVoidReturn: {
attributes: false,
properties: false,
},
},
],
"@typescript-eslint/await-thenable": "error",
"@typescript-eslint/require-await": "error",
"@typescript-eslint/no-unnecessary-condition": "off",
"@typescript-eslint/prefer-nullish-coalescing": [
"error",
{
ignorePrimitives: { string: true, number: true },
},
],
"@typescript-eslint/prefer-optional-chain": "error",
// Unsafe any rules
"@typescript-eslint/no-unsafe-assignment": "error",
"@typescript-eslint/no-unsafe-member-access": "error",
"@typescript-eslint/no-unsafe-call": "error",
"@typescript-eslint/no-unsafe-return": "error",
"@typescript-eslint/no-unsafe-argument": "error",
"@typescript-eslint/restrict-template-expressions": [
"error",
{
allowNumber: true,
allowBoolean: true,
},
],
"@typescript-eslint/restrict-plus-operands": [
"error",
{
allowNumberAndString: true,
allowAny: true,
},
],
"@typescript-eslint/no-confusing-void-expression": [
"error",
{
ignoreArrowShorthand: true,
ignoreVoidOperator: true,
},
],
"@typescript-eslint/consistent-type-imports": [
"error",
{
prefer: "type-imports",
fixStyle: "inline-type-imports",
},
],
"@typescript-eslint/consistent-type-exports": "error",
"@typescript-eslint/no-misused-spread": "off",
// Prevent console.log() which writes to stdout and corrupts MCP stdio transport
// Only stderr output (error, warn) is safe for MCP servers
"no-console": ["error", { allow: ["error", "warn"] }],
},
},
);
