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Copy patheslint.config.js
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184 lines (171 loc) · 5.82 KB
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// @ts-check
const eslint = require('@eslint/js');
const tseslint = require('typescript-eslint');
const prettierConfig = require('eslint-config-prettier');
module.exports = tseslint.config(
// Base recommended configs
eslint.configs.recommended,
// Global ignores
{
ignores: [
'dist/**',
'node_modules/**',
'coverage/**',
'*.js', // Ignore JS files at root (configs)
'bin/**/*.js', // CLI wrapper is plain JS
'jest.config.js',
],
},
// TypeScript files configuration (non-test files with type checking)
{
files: ['src/**/*.ts'],
ignores: ['src/**/*.test.ts'], // Exclude test files from type checking
extends: [...tseslint.configs.recommendedTypeChecked, ...tseslint.configs.stylisticTypeChecked],
languageOptions: {
parser: tseslint.parser,
parserOptions: {
project: './tsconfig.json',
tsconfigRootDir: __dirname,
},
},
plugins: {
'@typescript-eslint': tseslint.plugin,
},
rules: {
// TypeScript-specific rules
'@typescript-eslint/explicit-function-return-type': 'off',
'@typescript-eslint/explicit-module-boundary-types': 'off',
'@typescript-eslint/no-explicit-any': 'warn',
'@typescript-eslint/no-unused-vars': [
'error',
{
argsIgnorePattern: '^_',
varsIgnorePattern: '^_',
caughtErrorsIgnorePattern: '^_',
},
],
'@typescript-eslint/no-non-null-assertion': 'warn',
'@typescript-eslint/consistent-type-imports': [
'error',
{
prefer: 'type-imports',
},
],
// Relax strict type-checking rules for existing codebase
'@typescript-eslint/no-unsafe-assignment': 'off',
'@typescript-eslint/no-unsafe-member-access': 'off',
'@typescript-eslint/no-unsafe-call': 'off',
'@typescript-eslint/no-unsafe-argument': 'off',
'@typescript-eslint/no-unsafe-return': 'off',
'@typescript-eslint/no-unsafe-enum-comparison': 'off',
'@typescript-eslint/prefer-nullish-coalescing': 'warn',
'@typescript-eslint/prefer-optional-chain': 'warn',
'@typescript-eslint/await-thenable': 'warn',
// General code quality
'no-console': 'off', // CLI tool needs console
'no-debugger': 'error',
'no-alert': 'error',
'prefer-const': 'error',
'no-var': 'error',
eqeqeq: ['error', 'always', { null: 'ignore' }],
curly: ['error', 'all'],
// Code style (supplementing Prettier)
'prefer-arrow-callback': 'error',
'prefer-template': 'error',
'object-shorthand': ['error', 'always'],
'no-useless-concat': 'error',
},
},
// Test files configuration (basic linting without type checking)
{
files: ['src/**/*.test.ts'],
extends: [...tseslint.configs.recommended],
languageOptions: {
parser: tseslint.parser,
},
plugins: {
'@typescript-eslint': tseslint.plugin,
},
rules: {
'@typescript-eslint/no-empty-function': 'off', // Test mocks often use empty functions
'@typescript-eslint/no-explicit-any': 'off', // Tests can use any for simplicity
},
},
// Scripts configuration (non-test files with type checking)
{
files: ['scripts/**/*.ts'],
ignores: ['scripts/**/*.test.ts'],
extends: [...tseslint.configs.recommendedTypeChecked, ...tseslint.configs.stylisticTypeChecked],
languageOptions: {
parser: tseslint.parser,
parserOptions: {
project: './tsconfig.scripts.json',
tsconfigRootDir: __dirname,
},
},
plugins: {
'@typescript-eslint': tseslint.plugin,
},
rules: {
// TypeScript-specific rules
'@typescript-eslint/explicit-function-return-type': 'off',
'@typescript-eslint/explicit-module-boundary-types': 'off',
'@typescript-eslint/no-explicit-any': 'warn',
'@typescript-eslint/no-unused-vars': [
'error',
{
argsIgnorePattern: '^_',
varsIgnorePattern: '^_',
caughtErrorsIgnorePattern: '^_',
},
],
'@typescript-eslint/no-non-null-assertion': 'warn',
'@typescript-eslint/consistent-type-imports': [
'error',
{
prefer: 'type-imports',
},
],
// Relax strict type-checking rules for existing codebase
'@typescript-eslint/no-unsafe-assignment': 'off',
'@typescript-eslint/no-unsafe-member-access': 'off',
'@typescript-eslint/no-unsafe-call': 'off',
'@typescript-eslint/no-unsafe-argument': 'off',
'@typescript-eslint/no-unsafe-return': 'off',
'@typescript-eslint/no-unsafe-enum-comparison': 'off',
'@typescript-eslint/prefer-nullish-coalescing': 'warn',
'@typescript-eslint/prefer-optional-chain': 'warn',
'@typescript-eslint/await-thenable': 'warn',
// General code quality
'no-console': 'off', // Scripts need console output
'no-debugger': 'error',
'no-alert': 'error',
'prefer-const': 'error',
'no-var': 'error',
eqeqeq: ['error', 'always', { null: 'ignore' }],
curly: ['error', 'all'],
// Code style (supplementing Prettier)
'prefer-arrow-callback': 'error',
'prefer-template': 'error',
'object-shorthand': ['error', 'always'],
'no-useless-concat': 'error',
},
},
// Scripts test files configuration (basic linting without type checking)
{
files: ['scripts/**/*.test.ts'],
extends: [...tseslint.configs.recommended],
languageOptions: {
parser: tseslint.parser,
},
plugins: {
'@typescript-eslint': tseslint.plugin,
},
rules: {
'@typescript-eslint/no-empty-function': 'off', // Test mocks often use empty functions
'@typescript-eslint/no-explicit-any': 'off', // Tests can use any for simplicity
},
},
// Prettier integration (must be last to disable conflicting rules)
prettierConfig
);