Dev dependencies for Node.js with Typescript, ESLint and Prettier

.00.README.md

Dev dependencies for Node.js with Typescript, ESLint and Prettier

Copy attached files to a blank project root directory and run commands:

npm init
bash ./install-dev-dependencies.sh

.eslintignore

**/*.js
node_modules/

.eslintrc.yml

env:
  browser: false
  node: true
  es6: true
  jest: true

parser: "@typescript-eslint/parser"

plugins:
  - "@typescript-eslint/eslint-plugin"
  - "unused-imports"
  - "security"

extends:
  - "airbnb-typescript/base"
  - "plugin:security/recommended"
  - "plugin:@typescript-eslint/eslint-recommended"
  - "plugin:@typescript-eslint/recommended"
  - "plugin:prettier/recommended"
  - "prettier/@typescript-eslint"

parserOptions:
  sourceType: module
  ecmaVersion: 2018
  project: tsconfig.json

rules:
  "@typescript-eslint/interface-name-prefix": off
  semi:
    - error
    - always
  quotes:
    - error
    - single
  "@typescript-eslint/explicit-function-return-type": off
  "@typescript-eslint/no-explicit-any": off
  "@typescript-eslint/member-delimiter-style": error
  "@typescript-eslint/no-unused-vars": off
  unused-imports/no-unused-imports-ts: error
  unused-imports/no-unused-vars-ts:
    - error
    - vars: all
      varsIgnorePattern: "^_"
      args: after-used
      argsIgnorePattern: "^_"

  object-curly-newline:
    - error
    - ObjectExpression:
        minProperties: 6
        multiline: true
        consistent: true
  node/no-unsupported-features/es-syntax: off
  no-await-in-loop: 0
  import/prefer-default-export: off
  max-len:
    - error
    - code: 120
      ignoreStrings: true
  eol-last: error
  class-methods-use-this: 0
  no-underscore-dangle:
    - error
    - allowAfterSuper: true
      allowAfterThis: true
  no-plusplus:
    - error
    - allowForLoopAfterthoughts: true
  security/detect-object-injection: off
  # arrow-parens:
  #   - 2
  #   - "as-needed"
  #   - requireForBlockBody: true

settings:
  import/resolver:
    node:
      extensions:
        - ".ts"

.prettierrc

{
  "semi": true,
  "trailingComma": "all",
  "singleQuote": true,
  "printWidth": 105,
  "tabWidth": 2,
  "bracketSpacing": true,
  "arrowParens": "always",
  "parser": "typescript"
}

install-dev-dependencies.sh

npm install --save-dev eslint eslint-config-airbnb-typescript eslint-config-prettier eslint-plugin-import eslint-plugin-prettier eslint-plugin-security eslint-plugin-unused-imports @typescript-eslint/eslint-plugin @typescript-eslint/parser ts-node typescript prettier @types/node

tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "declaration": true,
    "removeComments": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "allowSyntheticDefaultImports": true,
    "target": "es2017",
    "sourceMap": true,
    "outDir": "./dist",
    "baseUrl": "./",
    "incremental": true
  }
}