Required Packages

Angular input file required directive

Prevents whitespace as first character of input and textarea fields

Vue data validation rules, very much inspired from Laravel validation

Simple mongoose plugin for fixed schemas

Checks if a string has required substrings at given indexes.

Get absolute path to the module that required your module

Angular 2+ decorator to make @Input required

TypeScript schema validation

Gulp plugin: Set minimum and/or maximum files required for your stream

express middleware to set required fields for incoming requests

CLI tool that tells you when dependencies are missing from package.json and offers you a choice to install them. Also tells you when dependencies are listed in package.json but are not being used anywhere in your project. Node.js command line tool and API

The 10x version of is-ten

Required option validation middleware

A plugin for the Elasticsearch JavaScript client that enforces required fields when indexing

Automatically enable/disable buttons based on required form inputs

Used to execute a command, only if the prefixe match with the one you want for the command

Bash script that searches javascript files for a named module.

Resolve required module's bin file.

NodeJS middleware which validates and requires parameters, also filling out any default parameters

Mandatory function parameters for JS, with declarative syntax