Check Packages

Check if a file is a directory

Check if your code is running on Heroku

Check if a URL exists.

Check if something is a negative number

regexp-helper-core

ESLint sharable config for strict linting

regexp-helper

check RegExp ( regular expressions ) support

Validates if a value is a string.

Javascript Tradeshift Style - ESLint Shareable Config

Utility for linting a docker file against accepted good practices

Validate JavaScript code and report possible syntax errors

Verifies that typescript examples in markdown files actually compile.

Check whether a string is a valid HTTP URL

Check if an Iterable is empty

Fast runtime validation of `engines.node` specified in package.json

Generate JavaScript-compatible regular expressions with chinese/jp/zh/cn

Lint commit messages against a conventional-changelog preset and ruleset

Add support to do 'Spell checking', with a toggle on/off option in Settings

Checks if the file path is zip file. It does not read the complete file nor it depends upon file extension