mongoose validation to ensure referenced object id exists

Retry a function until or while it passes an assertion

Transform JS function code, function bodies, modules, or files into valid functions using AST transform and VM wizardry.

Utilities to validate/ensure emails against a whitelist. 👮‍♂️📧

How To Make Sure jQuery Is Loaded And Only Once

Ensures that a string or an array starts with specified value.

Ensure that the arguments of your constructor meet constraints defined through decorators

Argument assertion for JavaScript and Typescript

get value of an environment variable; throw if undefined or empty string

🚀 Ensure path exists

Prevents a string or an array from ending with specified value.

Prevents a string or an array from starting with specified value.

A simple framework to ensure variables and parameters

⏲ Await until an object initialises before using it.

If given value is not an object, returns an object with one entry.

Ensures that a string or an array ends with specified value.

tool or algorithm that aims to condense a longer piece of text into a shorter, concise summary while preserving the key information and main points

assert + ensure = assure

a ensure library for ts