.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:@typescript-eslint/recommended-requiring-type-checking'
  ],
  parserOptions: {
    ecmaVersion: 2020,
    sourceType: 'module',
    tsconfigRootDir: __dirname,
    project: ['./tsconfig.json'],
    extraFileExtensions: ['.svelte']
  },
  env: {
    es6: true,
    browser: true
  },
  overrides: [
    {
      files: ['*.svelte'],
      processor: 'svelte3/svelte3',
    },
    {
      files: ['*.ts', '*.svelte'],
      rules: {
        "@typescript-eslint/no-unsafe-assignment": "off",
        "@typescript-eslint/no-unsafe-call": "off",
        "@typescript-eslint/no-unsafe-member-access": "off",
        "@typescript-eslint/restrict-template-expressions": "off"
      }
    }
  ],
  settings: {
    'svelte3/typescript': require('typescript')
  },
  plugins: ['svelte3', '@typescript-eslint'],
  ignorePatterns: ['node_modules'],
  globals: {
    "__global": 'readonly'
  }
}