.eslintrc.js

/**
 * @type {import("eslint").Linter.Config}
 */
module.exports = {
  root: true,
  parser: "@typescript-eslint/parser",
  parserOptions: {
    project: ["./tsconfig.json"],
  },
  plugins: ["@typescript-eslint", "sonarjs", "filename-rules"],
  extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended", "plugin:sonarjs/recommended"],
  ignorePatterns: ["**/*.js", "src/types/database.ts"],
  rules: {
    "filename-rules/match": [2, /^(e2e\.ts$|.*\/e2e\.ts$|[a-z]+(?:[-._a-z]+)*\.ts|\.[a-z]+)$/],
    "prefer-arrow-callback": ["warn", { allowNamedFunctions: true }],
    "func-style": ["warn", "declaration", { allowArrowFunctions: false }],
    "@typescript-eslint/no-floating-promises": "error",
    "@typescript-eslint/no-non-null-assertion": "error",
    "constructor-super": "error",
    "no-invalid-this": "off",
    "@typescript-eslint/no-invalid-this": ["error"],
    "no-restricted-syntax": ["error", "ForInStatement"],
    "use-isnan": "error",
    "no-unneeded-ternary": "error",
    "no-nested-ternary": "error",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        args: "after-used",
        ignoreRestSiblings: true,
        vars: "all",
        varsIgnorePattern: "^_",
        argsIgnorePattern: "^_",
      },
    ],
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/no-misused-new": "error",
    "@typescript-eslint/restrict-plus-operands": "error",
    "sonarjs/no-all-duplicated-branches": "error",
    "sonarjs/no-collection-size-mischeck": "error",
    "sonarjs/no-duplicated-branches": "error",
    "sonarjs/no-element-overwrite": "error",
    "sonarjs/no-identical-conditions": "error",
    "sonarjs/no-identical-expressions": "error",
    "@typescript-eslint/naming-convention": [
      "error",
      { selector: "interface", format: ["StrictPascalCase"], custom: { regex: "^I[A-Z]", match: false } },
      { selector: "memberLike", modifiers: ["private"], format: ["strictCamelCase"], leadingUnderscore: "require" },
      { selector: "typeLike", format: ["StrictPascalCase"] },
      { selector: "typeParameter", format: ["StrictPascalCase"], prefix: ["T"] },
      { selector: "variable", format: ["strictCamelCase", "UPPER_CASE"], leadingUnderscore: "allow", trailingUnderscore: "allow" },
      { selector: "variable", format: ["strictCamelCase"], leadingUnderscore: "allow", trailingUnderscore: "allow" },
      { selector: "variable", modifiers: ["destructured"], format: null },
      { selector: "variable", types: ["boolean"], format: ["StrictPascalCase"], prefix: ["is", "should", "has", "can", "did", "will", "does"] },
      { selector: "variableLike", format: ["strictCamelCase"] },
      { selector: ["function", "variable"], format: ["strictCamelCase"] },
    ],
  },
};