- **Strong type safety for Firestore** - Automatically provide type information to _nested documents_ without unsafe type assertions, from the simple schema. Also support data decoding. - **Security rules generation** - Generate firestore.rules file inclu

+ Type checks with enumerated error codes + String format type checks + Array type checks + Type guards (x is Type) + Type assertions (assert x is Type and return; otherwise, throw) + Customizable error messages (`ErrorMessageService.Map = /*Custom error

Runtime type assertions

Concise type assertions like a<map<fn:s>>

putout plugin adds ability to apply as type assertion

🧊 Compile-time testing macros — power assertions, property-based testing, type assertions

Helpers for asserting that a JavaScript environment supports certain features necessary for the operation of the Solana JavaScript SDK

Runtime type assertions for JS function arguments

Extends Chai with assertions for the Sinon.JS mocking framework.

TypeScript library that provides shorthand type assertions and type guard functions for multiple types.

Type assertions aka less-broken `typeof`.

Disallow type assertions in TypeScript code

Do things in development and nothing otherwise

Extends Chai with assertions about promises.

Value and type assertions for unit tests

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A clean-ish way to add type assertions to methods

Compile-time type assertions for TypeScript.

Types and related utilities for TypeScript

strings comparison matchers for chai