Basic Project Configs

!Basic Project Configs

.gitignore
.prettierignore
.prettierrc
.prettierrc.eslint
tsconfig-base.json
tsconfig.json
.eslintrc.json
.eslintignore
package.json

Content inside.

.eslintignore

# Created by https://www.toptal.com/developers/gitignore/api/visualstudiocode,node,react,yarn
# Edit at https://www.toptal.com/developers/gitignore?templates=visualstudiocode,node,react,yarn

### Node ###
# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
.pnpm-debug.log*

# Diagnostic reports (https://nodejs.org/api/report.html)
report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json

# Runtime data
pids
*.pid
*.seed
*.pid.lock

# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov

# Coverage directory used by tools like istanbul
coverage
*.lcov

# nyc test coverage
.nyc_output

# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
.grunt

# Bower dependency directory (https://bower.io/)
bower_components

# node-waf configuration
.lock-wscript

# Compiled binary addons (https://nodejs.org/api/addons.html)
build/Release

# Dependency directories
node_modules/
jspm_packages/

# Snowpack dependency directory (https://snowpack.dev/)
web_modules/

# TypeScript cache
*.tsbuildinfo

# Optional npm cache directory
.npm

# Optional eslint cache
.eslintcache

# Microbundle cache
.rpt2_cache/
.rts2_cache_cjs/
.rts2_cache_es/
.rts2_cache_umd/

# Optional REPL history
.node_repl_history

# Output of 'npm pack'
*.tgz

# Yarn Integrity file
.yarn-integrity

# dotenv environment variables file
.env
.env.test
.env.production

# parcel-bundler cache (https://parceljs.org/)
.cache
.parcel-cache

# Next.js build output
.next
out

# Nuxt.js build / generate output
.nuxt
dist

# Gatsby files
.cache/
# Comment in the public line in if your project uses Gatsby and not Next.js
# https://nextjs.org/blog/next-9-1#public-directory-support
# public

# vuepress build output
.vuepress/dist

# Serverless directories
.serverless/

# FuseBox cache
.fusebox/

# DynamoDB Local files
.dynamodb/

# TernJS port file
.tern-port

# Stores VSCode versions used for testing VSCode extensions
.vscode-test

# yarn v2
.yarn/cache
.yarn/unplugged
.yarn/build-state.yml
.yarn/install-state.gz
.pnp.*

### react ###
.DS_*
**/*.backup.*
**/*.back.*

node_modules

*.sublime*

psd
thumb
sketch

### VisualStudioCode ###
.vscode/*
!.vscode/settings.json
!.vscode/tasks.json
!.vscode/launch.json
!.vscode/extensions.json
*.code-workspace

# Local History for Visual Studio Code
.history/

### VisualStudioCode Patch ###
# Ignore all local history of files
.history
.ionide

### yarn ###
# https://yarnpkg.com/advanced/qa#which-files-should-be-gitignored

.yarn/*
!.yarn/releases
!.yarn/plugins
!.yarn/sdks
!.yarn/versions

# if you are NOT using Zero-installs, then:
# comment the following lines
!.yarn/cache

# and uncomment the following lines
# .pnp.*

# End of https://www.toptal.com/developers/gitignore/api/visualstudiocode,node,react,yarn

*.ignore*
dist*
logs*
*.http
*.env*
!.env.copy

.eslintrc.json

{
  // could explicitly define parser here, but leaving default eslint parser (*)
  // then override it with needed in "overrides" section
  // "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "env": {
    "node": true,
    "es2020": true
    // "browser": true,
    // "jest": true
  },
  "settings": {
    // plugin import, resolving process https://github.com/import-js/eslint-plugin-import#resolvers
    "import/resolver": {
      // https://github.com/import-js/eslint-plugin-import#importextensions
      // use eslint-import-resolver-node only for these extensions https://www.npmjs.com/package/eslint-import-resolver-node
      "node": {
        "extensions": [".js", ".jsx"],
        "ecmaFeatures": {
          "jsx": true
        }
      }
    }
  },

  // plugins (eslint-plugin- <name>) - doing something on side (convert/compute) ;
  // exposing sets of rules to apply in "extends" ; exposing individual rules to apply/change in "rules" if have some
  "plugins": [
    // a lot of useful typescript specific rules https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin
    "@typescript-eslint",
    // promises rules https://github.com/xjamundx/eslint-plugin-promise
    "promise",
    // set of useful rules rules https://github.com/sindresorhus/eslint-plugin-unicorn
    "unicorn",
    // everything about importing https://github.com/import-js/eslint-plugin-import
    "import",
    // converting local prettier config into set of rules https://github.com/prettier/eslint-plugin-prettier#installation
    "prettier"
  ],

  // extends (eslint-config- <name>) - sets of rules from plugins above ; from eslint-config- <name> directly
  "extends": [
    "airbnb-base",
    "eslint:recommended",
    // airbnb ts rules (compatibility only, no documented rules to change)
    "airbnb-typescript/base",
    // setting up resolvers for import/export https://github.com/import-js/eslint-plugin-import#typescript
    "plugin:import/recommended",
    "plugin:import/typescript",
    // ts overall recommended rules https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#supported-rules
    "plugin:@typescript-eslint/recommended",
    // ts overall recommended rules https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#extension-rules
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    // promise recommended rules https://github.com/xjamundx/eslint-plugin-promise#rules
    "plugin:promise/recommended",
    // another set of useful rules
    "plugin:unicorn/recommended",
    // disabling all the rules that might conflict with prettier https://github.com/prettier/eslint-config-prettier#installation
    "prettier"
  ],

  // rules - place for overridng/setting rules from plugin/config
  // *although typescript configs are in separate "overrides" section, these rules work for both js and ts, then some overrided
  "rules": {
    // ==========================================
    // rules:unicorn

    // + plugin:unicorn/recommended

    // Airbnb prefers functional iteration over arrays, with forEach https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/no-array-for-each.md | https://github.com/airbnb/javascript#iterators--nope
    "unicorn/no-array-for-each": "off",

    // Enforce correct Error subclassing https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/custom-error-definition.md
    "unicorn/custom-error-definition": ["error"],

    // Enforce specifying rules to disable in eslint-disable comments https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/no-abusive-eslint-disable.md
    "unicorn/no-abusive-eslint-disable": ["warn"],

    // Disallow Array#reduce() and Array#reduceRight() https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/no-array-reduce.md
    // Warn, because sometimes it's acceptable to use reduce (not only simple operations). Just mark the line and maybe rewrite later.
    "unicorn/no-array-reduce": ["warn"],

    // Disallow process.exit() https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/no-process-exit.md
    // Off because using dashboard, when exit it - exit process
    "unicorn/no-process-exit": "off",

    // Forbid classes that only have static members https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/no-static-only-class.md
    // Off because doesn't work for static methods with private keyword anyways, so won't get misleaded
    "unicorn/no-static-only-class": ["off"],

    // Uses safe-regex to disallow potentially catastrophic exponential-time regular expressions https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/no-unsafe-regex.md
    "unicorn/no-unsafe-regex": ["warn"],

    // Prefer .addEventListener() and .removeEventListener() over on-functions https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/prefer-add-event-listener.md
    // Already in recommended, but exposed for including packages
    "unicorn/prefer-add-event-listener": [
      "error",
      {
        "excludedPackages": ["express", "koa", "sax"]
      }
    ],

    // Enforce throwing TypeError in type checking conditions https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/prefer-type-error.md
    // Warn, because can conflict with custom errors + no big difference
    "unicorn/prefer-type-error": ["warn"],

    // Prevent abbreviations https://github.com/sindresorhus/eslint-plugin-unicorn/blob/v38.0.0/docs/rules/prevent-abbreviations.md
    // Common abbreviations are known and readable
    "unicorn/prevent-abbreviations": "off",

    // ==========================================
    // rules:prettier

    // enable prettier format rules to be check and marked as errors when violated https://github.com/prettier/eslint-plugin-prettier#installation
    "prettier/prettier": "error",

    // ==========================================
    // rules:eslint

    // + eslint:recommended

    // Don’t use iterators. Prefer JavaScript’s higher-order functions instead of loops like for-in or for-of https://github.com/airbnb/javascript#iterators--nope
    // Just warn, because it's more clear to write for-of at first, then refactor into functional solution like forEach, map, etc.
    "no-iterator": ["warn"],
    "no-restricted-syntax": ["warn"],

    // allow void in some cases for @typescript-eslint/no-floating-promises compatibility https://eslint.org/docs/rules/no-void -> https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-floating-promises.md#ignorevoid
    "no-void": [
      "error",
      {
        "allowAsStatement": true
      }
    ],

    // Putting default parameter at last allows function calls to omit optional tail arguments. https://eslint.org/docs/rules/default-param-last
    "default-param-last": ["error"],

    // Disallow async functions which have no await expression https://eslint.org/docs/rules/require-await
    // off because in recommended for @typescript-eslint as  @typescript-eslint/require-await
    "require-await": ["off"],

    // Disallow use of Object.prototypes builtins directly https://eslint.org/docs/rules/no-prototype-builtins
    // Too restrictive, writing ugly code to defend against a very unlikely scenario
    "no-prototype-builtins": "off",

    // Use function hoisting to improve code readability
    "no-use-before-define": ["error", { "functions": true, "classes": true, "variables": true }],

    // Require return statements to either always or never specify values https://eslint.org/docs/rules/consistent-return
    // Too much extra code (return undefined in every void fn) for little profit + ts analysis takes care
    "consistent-return": ["off"],

    // Disallow redundant return statements https://eslint.org/docs/rules/no-useless-return
    // Conflict with TS { Not all code paths return a value.ts(7030) }
    // Removing empty return; Don't want to type return undefined; so it's off
    "no-useless-return": ["off"],

    // Disallow the use of console https://eslint.org/docs/rules/no-console
    // When using node console should be allowed
    "no-console": ["off"],

    // Disallow if statements as the only statement in else blocks https://eslint.org/docs/rules/no-lonely-if
    "no-lonely-if": ["error"],

    // ==========================================
    // rules:import

    // + import/recommended (recommended are listed below, since NOT listed on gh page)
    // "import/named": "error",
    // "import/namespace": "error",
    // "import/default": "error",
    // "import/export": "error",
    // "import/no-named-as-default": "warn",
    // "import/no-named-as-default-member": "warn",
    // "import/no-duplicates": "warn",

    // + plugin:import/typescript (recommended are partially listed below)
    // "import/named": 'off',

    // Ensures an imported module can be resolved to a module on the local filesystem https://github.com/import-js/eslint-plugin-import/blob/v2.25.2/docs/rules/no-unresolved.md
    // Ignoring node:* because these are core node modules, false positive
    "import/no-unresolved": ["error", { "ignore": ["node:*"] }],

    // Forbid a module from importing a module with a dependency path back to itself https://github.com/import-js/eslint-plugin-import/blob/main/docs/rules/no-cycle.md
    "import/no-cycle": ["warn", { "maxDepth": "∞" }],

    // Prefer a default export if module exports a single name https://github.com/import-js/eslint-plugin-import/blob/main/docs/rules/prefer-default-export.md
    "import/prefer-default-export": ["off"],

    // Forbid default exports https://basarat.gitbooks.io/typescript/docs/tips/defaultIsBad.html | https://github.com/import-js/eslint-plugin-import/blob/main/docs/rules/no-default-export.md
    "import/no-default-export": ["error"],

    // ==========================================
    // rules:promise

    // + plugin:promise/recommended

    // ==========================================
    // rules:@typescript-eslint minor

    // + plugin:@typescript-eslint/recommended
    // + plugin:@typescript-eslint/recommended-requiring-type-checking

    // Disallow the use of variables before they are defined (extends eslint no-use-before-define) https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/no-use-before-define.md
    "@typescript-eslint/no-use-before-define": [
      "error",
      { "functions": true, "classes": true, "variables": true, "typedefs": true }
    ],

    // Requires using either T[] or Array<T> for arrays https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/array-type.md
    "@typescript-eslint/array-type": [
      "error",
      {
        "default": "array-simple"
      }
    ],

    // Bans @ts-<directive> comments from being used or requires descriptions after directive https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/ban-ts-comment.md
    "@typescript-eslint/ban-ts-comment": [
      "error",
      {
        "ts-ignore": false,
        "ts-nocheck": "allow-with-description",
        "ts-check": "allow-with-description",
        "ts-expect-error": "allow-with-description",
        "minimumDescriptionLength": 10
      }
    ],

    // Recommends using @ts-expect-error over @ts-ignore https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/prefer-ts-expect-error.md
    // Because of rule "@typescript-eslint/ban-ts-comment", ts-ignore can't be used anyway, but with this - getting autofixed if written by mistake
    "@typescript-eslint/prefer-ts-expect-error": ["error"],

    // Enforces consistent usage of type assertions https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/consistent-type-assertions.md
    "@typescript-eslint/consistent-type-assertions": [
      "error",
      {
        "assertionStyle": "as",
        "objectLiteralTypeAssertions": "allow"
      }
    ],

    // Require a specific member delimiter style for interfaces and type literals https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md
    "@typescript-eslint/member-delimiter-style": [
      "error",
      {
        "multiline": {
          "delimiter": "semi",
          "requireLast": true
        },
        "singleline": {
          "delimiter": "semi",
          "requireLast": false
        },
        "multilineDetection": "brackets"
      }
    ],

    // Enforces using a particular method signature syntax https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/method-signature-style.md
    // prop: () => {} for functions in objects
    "@typescript-eslint/method-signature-style": ["error", "property"],

    // Requires expressions of type void to appear in statement position https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-confusing-void-expression.md
    "@typescript-eslint/no-confusing-void-expression": [
      "error",
      {
        "ignoreArrowShorthand": false,
        "ignoreVoidOperator": false
      }
    ],

    // Disallow the delete operator with computed key expressions https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-dynamic-delete.md
    "@typescript-eslint/no-dynamic-delete": ["error"],

    // Enforces that type arguments will not be used if not required https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unnecessary-type-arguments.md
    "@typescript-eslint/no-unnecessary-type-arguments": ["error"],

    // Requires that private members are marked as readonly if they're never modified outside of the constructor https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/prefer-readonly.md
    "@typescript-eslint/prefer-readonly": ["error"],

    // Prefer using type parameter when calling Array#reduce instead of casting https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/prefer-reduce-type-parameter.md
    "@typescript-eslint/prefer-reduce-type-parameter": ["error"],

    // Enforce that this is used when only this type is returned https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/prefer-return-this-type.md
    "@typescript-eslint/prefer-return-this-type": ["error"],

    // Enforce the use of String#startsWith and String#endsWith instead of other equivalent methods of checking substrings https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/prefer-string-starts-ends-with.md
    "@typescript-eslint/prefer-string-starts-ends-with": ["error"],

    // Enforce template literal expressions to be of string type https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/restrict-template-expressions.md
    "@typescript-eslint/restrict-template-expressions": [
      "error",
      {
        "allowNumber": true,
        "allowBoolean": true
      }
    ],

    // Exhaustiveness checking in switch with union type https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/switch-exhaustiveness-check.md
    "@typescript-eslint/switch-exhaustiveness-check": ["error"],

    // ==========================================
    // rules:@typescript-eslint major

    // naming rules for everything https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/naming-convention.md
    "@typescript-eslint/naming-convention": [
      "error",

      /**
       * lead-trail undercores forbidden (if member is private, it should be
       * written in the way user can't acces it, not just marked like "don't call please")
       * general style is camelCase
       */
      {
        "selector": "default",
        "format": ["camelCase"],
        "leadingUnderscore": "forbid",
        "trailingUnderscore": "forbid"
      },

      // but for destructured params - do not apply style (you may want to save original look)
      {
        "selector": "variable",
        "modifiers": ["destructured"],
        "format": null
      },

      // for class use PacalCase
      {
        "selector": "class",
        "format": ["PascalCase"]
      },

      // for funtion parameters allow leading underscore (so it can be just _)
      {
        "selector": "parameter",
        "format": ["camelCase"],
        "leadingUnderscore": "allow"
      },

      // for const variables that contains lambda/arrow style is default - camelCase
      {
        "selector": "variable",
        "format": ["camelCase"],
        "types": ["function"],
        "modifiers": ["const"]
      },

      // for const variables that are exported - style is UPPER_CASE (default values) or PascalCase (Object with fns properties for example)
      {
        "selector": "variable",
        "format": ["UPPER_CASE", "PascalCase"],
        "modifiers": ["const", "exported"]
      },

      // for just const variables style is camelCase or PascalCase (Object with fns properties for example)
      {
        "selector": "variable",
        "format": ["camelCase", "PascalCase"],
        "modifiers": ["const"]
      },

      // for properties and variables that requires quotes - ignore style (http headers and similar)
      {
        "selector": [
          "classProperty",
          "objectLiteralProperty",
          "typeProperty",
          "classMethod",
          "objectLiteralMethod",
          "typeMethod",
          "accessor",
          "enumMember"
        ],
        "format": null,
        "modifiers": ["requiresQuotes"]
      },

      // for interfaces add I before name
      {
        "selector": "interface",
        "format": ["PascalCase"],
        "prefix": ["I"]
      },

      // for types add T before name
      {
        "selector": "typeAlias",
        "format": ["PascalCase"],
        "prefix": ["T"]
      },

      // for types' generic params make it start with T (or be just T), type TMyType<T/Tsmth> = Array<T/Tsmth>
      {
        "selector": "typeParameter",
        "format": ["PascalCase"],
        "prefix": ["T"]
      },

      // for enum - style is UPPER_CASE with prefix E
      {
        "selector": ["enum"],
        "format": ["UPPER_CASE"],
        "prefix": ["E"]
      },

      // for enum members - style is UPPER_CASE
      {
        "selector": ["enumMember"],
        "format": ["UPPER_CASE"]
      }
    ],

    // Disallow usage of the any type https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-explicit-any.md
    "@typescript-eslint/no-explicit-any": ["warn"],

    // TS 3.8+ Enforces consistent usage of type exports https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/consistent-type-exports.md
    "@typescript-eslint/consistent-type-exports": ["error"],

    // TS 3.8+ Enforces consistent usage of type imports https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/consistent-type-imports.md
    // Conflict with ide imports autocompletion (ctrl+space), but auto-fixes on save
    "@typescript-eslint/consistent-type-imports": [
      "error",
      {
        "prefer": "type-imports",
        "disallowTypeAnnotations": true
      }
    ],

    // Require explicit return types on functions and class methods https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/explicit-function-return-type.md
    // Currently off, relying on type inference ; ALWAYS off for js files in "overrides"
    "@typescript-eslint/explicit-function-return-type": [
      "off",
      {
        "allowExpressions": false,
        "allowTypedFunctionExpressions": true,
        "allowHigherOrderFunctions": true,
        "allowDirectConstAssertionInArrowFunctions": true,
        "allowConciseArrowFunctionExpressionsStartingWithVoid": false
      }
    ],

    // Require explicit return and argument types on exported functions' and classes' public class methods https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/explicit-module-boundary-types.md
    // Currently off, relying on type inference ; ALWAYS off for js files in "overrides"
    "@typescript-eslint/explicit-module-boundary-types": [
      "off",
      {
        "allowArgumentsExplicitlyTypedAsAny": false,
        "allowDirectConstAssertionInArrowFunctions": true,
        "allowedNames": [],
        "allowHigherOrderFunctions": true,
        "allowTypedFunctionExpressions": true
      }
    ],

    // Requires that .toString() is only called on objects which provide useful information when stringified https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-base-to-string.md
    "@typescript-eslint/no-base-to-string": ["error"],

    // Requires Promise-like values to be handled appropriately https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-floating-promises.md
    "@typescript-eslint/no-floating-promises": [
      "error",
      {
        "ignoreVoid": true,
        "ignoreIIFE": false
      }
    ],

    // Disallow the void operator except when used to discard a value https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-meaningless-void-operator.md
    "@typescript-eslint/no-meaningless-void-operator": [
      "error",
      {
        "checkNever": false
      }
    ],

    // Disallow the use of custom TypeScript modules and namespaces https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-namespace.md
    // todo: rewrite errors core type file, then change to "error"
    "@typescript-eslint/no-namespace": "warn",

    // Disallow the use of parameter properties in class constructors https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-parameter-properties.md
    "@typescript-eslint/no-parameter-properties": ["error"],

    // Prevents conditionals where the type is always truthy or always falsy https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unnecessary-condition.md
    "@typescript-eslint/no-unnecessary-condition": [
      "warn",
      {
        "allowConstantLoopConditions": true
      }
    ],

    // Warns if a type assertion does not change the type of an expression https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unnecessary-type-assertion.md
    // enabled by default, but might be useful to off later
    "@typescript-eslint/no-unnecessary-type-assertion": ["warn"],

    // Disallows the use of require statements except in import statements https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-var-requires.mds
    "@typescript-eslint/no-var-requires": ["warn"],

    // Require that all enum members be literal values to prevent unintended enum member name shadow issues https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/prefer-literal-enum-member.md
    "@typescript-eslint/prefer-literal-enum-member": [
      "error",
      {
        "allowBitwiseExpressions": true
      }
    ],

    // Requires that function parameters are typed as readonly to prevent accidental mutation of inputs https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/prefer-readonly-parameter-types.md
    // Off for Express mutation style compatibility
    "@typescript-eslint/prefer-readonly-parameter-types": [
      "off",
      {
        "checkParameterProperties": true,
        "ignoreInferredTypes": true,
        "treatMethodsAsReadonly": true
      }
    ],

    // Restricts the types allowed in boolean expressions https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/strict-boolean-expressions.md
    "@typescript-eslint/strict-boolean-expressions": [
      "error",
      {
        // str !== ''
        "allowString": false,
        // num !== 0
        "allowNumber": false,
        // object ?? false
        "allowNullableObject": true,
        "allowNullableBoolean": false,
        "allowNullableString": false,
        "allowNullableNumber": false,
        "allowAny": false,
        "allowRuleToRunWithoutStrictNullChecksIKnowWhatIAmDoing": false
      }
    ],

    // "error" by default, "warn" during refactoring to first fix all logical mistakes and only then bad typings
    "@typescript-eslint/no-unsafe-member-access": ["warn"],
    "@typescript-eslint/no-unsafe-call": ["warn"],
    "@typescript-eslint/no-unsafe-assignment": ["warn"]
  },
  "overrides": [
    {
      // disable rules for js files
      "files": ["**/*.{js,jsx}"],
      "rules": {
        "@typescript-eslint/explicit-function-return-type": ["off"],
        "@typescript-eslint/explicit-module-boundary-types": ["off"],
        "@typescript-eslint/no-var-requires": ["off"]
      }
    },
    // TYPESCRIPT PARSING SETUP
    {
      "files": ["**/*.{ts,tsx}"],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "ecmaVersion": 2020,
        "sourceType": "module",
        // ts parser should read following configs file
        "project": "./tsconfig.json"
      },
      "env": {
        "node": true,
        "es2020": true
        // "browser": true,
        // "jest": true
      },
      "settings": {
        // plugin import, resolving process https://github.com/import-js/eslint-plugin-import#resolvers
        "import/resolver": {
          // use eslint-import-resolver-typescript https://github.com/alexgorbatchev/eslint-import-resolver-typescript
          "typescript": {
            // ts resolver, when used, should read following configs file
            "project": "./tsconfig.json"
          }
        }
      },
      "rules": {
        // These 2 rules extend the base eslint/default-param-last rule. It adds support for optional parameters. https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/docs/rules/default-param-last.md
        "default-param-last": "off",
        "@typescript-eslint/default-param-last": ["error"]
      }
    }
  ]
}

.gitignore

# Created by https://www.toptal.com/developers/gitignore/api/visualstudiocode,node,react,yarn
# Edit at https://www.toptal.com/developers/gitignore?templates=visualstudiocode,node,react,yarn

### Node ###
# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
.pnpm-debug.log*

# Diagnostic reports (https://nodejs.org/api/report.html)
report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json

# Runtime data
pids
*.pid
*.seed
*.pid.lock

# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov

# Coverage directory used by tools like istanbul
coverage
*.lcov

# nyc test coverage
.nyc_output

# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
.grunt

# Bower dependency directory (https://bower.io/)
bower_components

# node-waf configuration
.lock-wscript

# Compiled binary addons (https://nodejs.org/api/addons.html)
build/Release

# Dependency directories
node_modules/
jspm_packages/

# Snowpack dependency directory (https://snowpack.dev/)
web_modules/

# TypeScript cache
*.tsbuildinfo

# Optional npm cache directory
.npm

# Optional eslint cache
.eslintcache

# Microbundle cache
.rpt2_cache/
.rts2_cache_cjs/
.rts2_cache_es/
.rts2_cache_umd/

# Optional REPL history
.node_repl_history

# Output of 'npm pack'
*.tgz

# Yarn Integrity file
.yarn-integrity

# dotenv environment variables file
.env
.env.test
.env.production

# parcel-bundler cache (https://parceljs.org/)
.cache
.parcel-cache

# Next.js build output
.next
out

# Nuxt.js build / generate output
.nuxt
dist

# Gatsby files
.cache/
# Comment in the public line in if your project uses Gatsby and not Next.js
# https://nextjs.org/blog/next-9-1#public-directory-support
# public

# vuepress build output
.vuepress/dist

# Serverless directories
.serverless/

# FuseBox cache
.fusebox/

# DynamoDB Local files
.dynamodb/

# TernJS port file
.tern-port

# Stores VSCode versions used for testing VSCode extensions
.vscode-test

# yarn v2
.yarn/cache
.yarn/unplugged
.yarn/build-state.yml
.yarn/install-state.gz
.pnp.*

### react ###
.DS_*
**/*.backup.*
**/*.back.*

node_modules

*.sublime*

psd
thumb
sketch

### VisualStudioCode ###
.vscode/*
!.vscode/settings.json
!.vscode/tasks.json
!.vscode/launch.json
!.vscode/extensions.json
*.code-workspace

# Local History for Visual Studio Code
.history/

### VisualStudioCode Patch ###
# Ignore all local history of files
.history
.ionide

### yarn ###
# https://yarnpkg.com/advanced/qa#which-files-should-be-gitignored

.yarn/*
!.yarn/releases
!.yarn/plugins
!.yarn/sdks
!.yarn/versions

# if you are NOT using Zero-installs, then:
# comment the following lines
!.yarn/cache

# and uncomment the following lines
# .pnp.*

# End of https://www.toptal.com/developers/gitignore/api/visualstudiocode,node,react,yarn

*.ignore*
dist*
logs*
*.http
*.env*
!.env.copy

.prettierignore

# Created by https://www.toptal.com/developers/gitignore/api/visualstudiocode,node,react,yarn
# Edit at https://www.toptal.com/developers/gitignore?templates=visualstudiocode,node,react,yarn

### Node ###
# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
.pnpm-debug.log*

# Diagnostic reports (https://nodejs.org/api/report.html)
report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json

# Runtime data
pids
*.pid
*.seed
*.pid.lock

# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov

# Coverage directory used by tools like istanbul
coverage
*.lcov

# nyc test coverage
.nyc_output

# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
.grunt

# Bower dependency directory (https://bower.io/)
bower_components

# node-waf configuration
.lock-wscript

# Compiled binary addons (https://nodejs.org/api/addons.html)
build/Release

# Dependency directories
node_modules/
jspm_packages/

# Snowpack dependency directory (https://snowpack.dev/)
web_modules/

# TypeScript cache
*.tsbuildinfo

# Optional npm cache directory
.npm

# Optional eslint cache
.eslintcache

# Microbundle cache
.rpt2_cache/
.rts2_cache_cjs/
.rts2_cache_es/
.rts2_cache_umd/

# Optional REPL history
.node_repl_history

# Output of 'npm pack'
*.tgz

# Yarn Integrity file
.yarn-integrity

# dotenv environment variables file
.env
.env.test
.env.production

# parcel-bundler cache (https://parceljs.org/)
.cache
.parcel-cache

# Next.js build output
.next
out

# Nuxt.js build / generate output
.nuxt
dist

# Gatsby files
.cache/
# Comment in the public line in if your project uses Gatsby and not Next.js
# https://nextjs.org/blog/next-9-1#public-directory-support
# public

# vuepress build output
.vuepress/dist

# Serverless directories
.serverless/

# FuseBox cache
.fusebox/

# DynamoDB Local files
.dynamodb/

# TernJS port file
.tern-port

# Stores VSCode versions used for testing VSCode extensions
.vscode-test

# yarn v2
.yarn/cache
.yarn/unplugged
.yarn/build-state.yml
.yarn/install-state.gz
.pnp.*

### react ###
.DS_*
**/*.backup.*
**/*.back.*

node_modules

*.sublime*

psd
thumb
sketch

### VisualStudioCode ###
.vscode/*
!.vscode/settings.json
!.vscode/tasks.json
!.vscode/launch.json
!.vscode/extensions.json
*.code-workspace

# Local History for Visual Studio Code
.history/

### VisualStudioCode Patch ###
# Ignore all local history of files
.history
.ionide

### yarn ###
# https://yarnpkg.com/advanced/qa#which-files-should-be-gitignored

.yarn/*
!.yarn/releases
!.yarn/plugins
!.yarn/sdks
!.yarn/versions

# if you are NOT using Zero-installs, then:
# comment the following lines
!.yarn/cache

# and uncomment the following lines
# .pnp.*

# End of https://www.toptal.com/developers/gitignore/api/visualstudiocode,node,react,yarn

*.ignore*
dist*
logs*
*.http
*.env*
!.env.copy

.prettierrc

{
	"printWidth": 100,
	"tabWidth": 4,
	"useTabs": true,
	"semi": true,
	"singleQuote": false,
	"jsxSingleQuote": false,
	"trailingComma": "all",
	"bracketSpacing": true,
	"bracketSameLine": false,
	"arrowParens": "always",
	"proseWrap": "always",
	"quoteProps": "as-needed",
	"endOfLine": "lf",
	"embeddedLanguageFormatting": "auto"
}

.prettierrc.eslint

{
  "printWidth": 100,
  "tabWidth": 2,
  "useTabs": false,
  "semi": true,
  "singleQuote": true,
  "jsxSingleQuote": false,
  "trailingComma": "all",
  "bracketSpacing": true,
  "bracketSameLine": false,
  "arrowParens": "always",
  "proseWrap": "never",
  "quoteProps": "as-needed",
  "endOfLine": "lf",
  "embeddedLanguageFormatting": "auto"
}

hint_for_modules_used.txt

image-downloader
request
request-promise
puppeteer
chokidar - fs watch
diff - difference founder
md5
node-machine-id
vk-io
telegraf/telegram
thirty-two - base32 good encode/decode
totp-generator
pdf417-generator - draw barcode
canvas
colors
https-proxy-agent
jsonfile
steam-totp

package.json

{
  "name": "name",
  "version": "1.0.0",
  "main": "index.js",
  "author": "SanariSan <SanariSan@users.noreply.github.com>",
  "license": "MIT",
  "scripts": {
    "---tips": "---------------------------------------------------------------",
    "------start": "accepts -linux/-win, always triggers build, which is for pre/post build compatibility",
    "------build": "accepts -linux/-win",
    "------launch": "accepts -dev/-prod",
    "------prebuild-skip": "swap between true/false to turn skip on/off",
    "---general control": "---------------------------------------------------------------",
    "start": "yarn start-linux",
    "build": "yarn build-linux",
    "launch": "yarn launch-dev",
    "prebuild-skip": "true",
    "prebuild": "yarn prebuild-skip || (yarn format && yarn lint)",
    "---start os": "---------------------------------------------------------------",
    "start-linux": "yarn build && yarn copy-deps && yarn cli-wipe-linux && yarn launch",
    "start-ts-linux": "yarn cli-wipe-linux && node ./node_modules/ts-node/dist/bin.js ./src/app.ts",
    "start-win": "yarn build && yarn copy-deps && yarn cli-wipe-win && yarn launch",
    "start-ts-win": "yarn cli-wipe-win && node ./node_modules/ts-node/dist/bin.js ./src/app.ts",
    "---start-general": "---------------------------------------------------------------",
    "start-prod": "yarn build && yarn launch-prod",
    "---build os": "---------------------------------------------------------------",
    "build-linux": "yarn build-drop-linux && tsc",
    "build-drop-linux": "rm -rf ./dist",
    "build-win": "yarn build-drop-win && tsc",
    "build-drop-win": "del /f /s /q \"./dist\"",
    "---launch general": "---------------------------------------------------------------",
    "launch-prod": "./node_modules/cross-env/src/bin/cross-env.js NODE_ENV=production node -r dotenv/config ./dist/app.js",
    "launch-dev": "./node_modules/cross-env/src/bin/cross-env.js NODE_ENV=development node -r dotenv/config ./dist/app.js",
    "---prepare fs general": "---------------------------------------------------------------",
    "copy-deps": "yarn copy-config",
    "copy-config": "true",
    "---cli os": "---------------------------------------------------------------",
    "cli-wipe-linux": "printf '\\033c\\033[3J'",
    "cli-wipe-scroll-linux": "printf '\\033[H\\033[2J'",
    "cli-wipe-win": "todo: test when on windows",
    "---additional": "---------------------------------------------------------------",
    "format": "./node_modules/prettier/bin-prettier.js -w --config ./.prettierrc .",
    "lint": "./node_modules/.bin/eslint --ext .ts .",
    "lint-quiet": "./node_modules/.bin/eslint --quiet --ext .ts .",
    "lint-fix": "./node_modules/.bin/eslint --fix --ext .ts .",
    "madge-json": "node ./node_modules/madge/bin/cli.js -c -j --ts-config ./tsconfig.json ./dist/",
    "madge-pic": "node ./node_modules/madge/bin/cli.js -c -j -i ./dep.svg --ts-config ./tsconfig.json ./dist/"
  },
  "configurationDefaults": {
    "---here can override": "any VSCODE options except those from application or machine scopes"
  },
  "dependencies": {
    "cross-env": "^7.0.3",
    "dotenv": "^12.0.3",
  },
  "devDependencies": {
    "@types/node": "^16.11.0",
    "@typescript-eslint/eslint-plugin": "^5.3.0",
    "@typescript-eslint/parser": "^5.3.0",
    "eslint": "^7.2.0",
    "eslint-config-airbnb-base": "^14.2.1",
    "eslint-config-airbnb-typescript": "^14.0.1",
    "eslint-config-prettier": "^8.3.0",
    "eslint-import-resolver-node": "^0.3.6",
    "eslint-import-resolver-typescript": "^2.5.0",
    "eslint-plugin-import": "^2.25.2",
    "eslint-plugin-prettier": "^4.0.0",
    "eslint-plugin-promise": "^5.1.1",
    "eslint-plugin-unicorn": "^38.0.0",
    "madge": "^5.0.1",
    "prettier": "^2.4.1",
    "ts-node": "^10.3.0",
    "typescript": "^4.5.2"
  }
}

tsconfig-base.json

{
	"compilerOptions": {
		"noImplicitAny": false,
		"noImplicitThis": false,
		"noImplicitReturns": true,
		"strict": true,
		"alwaysStrict": true,
		"skipLibCheck": true,
		"strictNullChecks": true,
		"strictFunctionTypes": true,
		"noFallthroughCasesInSwitch": true,
		"removeComments": true,
		"sourceMap": false
	}
}

tsconfig.json

{
	"extends": "./tsconfig-base.json",
	"compilerOptions": {
    //specific
		"target": "ES2020",
		"module": "CommonJS",
		"moduleResolution": "node",
    //static
		"resolveJsonModule": true,
		"allowJs": false,
		"forceConsistentCasingInFileNames": true,
		"rootDir": "src",
		"outDir": "dist",
		"declaration": false,
		"esModuleInterop": true,
		"allowSyntheticDefaultImports": true,
		"pretty": true,
    //
    // - optional
    //
    // "lib": ["dom", "dom.iterable", "esnext"],
    // "noEmit": true,
    // "jsx": "react",
    // "isolatedModules": true
    //
    // - typeorm
    //
    // "emitDecoratorMetadata": true,
    // "experimentalDecorators": true
	},
	"include": ["src/**/*"],
	"exclude": ["node_modules", "ignore/**/*"]
}