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ts-type-guards
Curried TypeScript type guards for primitive types and classes
TypeScript type guards type guard isBoolean isNumber isString isSymbol isNull isUndefined isPrimitive isNonPrimitive is isLike
ts-guardian
Declarative, composable type guards
type predicate typescript guard guards functional composable
@altostra/type-validations
Utility functions to create type-guards and assertions.
type validation guards assertions input
@wezom/type-guards
Simple TypeScript type guards
TypeScript type guard guards
type-fns
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
types type guards guards type checks checks type checking typescript
@sindresorhus/is
Type check values
type types is check checking validate validation utility util typeof instanceof object assert assertion
@type-hub/re-guard
Type-safe regex suite: build predicates, guards, and assertions from a single regex func
regex type guard predicates assertions
simple-type-guards
A set of type checks, guards, and predicates for simpler, safer, and easier to read code.
domain-driven-design domain driven design model validation schema type checking
primitive-predicates
A simple TypeScript library providing type guards for the primitive types in JavaScript.
type types type-check type-checks type-checking predicate predicates type-predicate type-predicates type-assert type-asserting type-assertion type-assertions type-guard
@angular-package/type
Common types, type guards and type checkers.
array bigint boolean check class date defined determine false function guard instance key propertyKey
@martendebruijn/types
Personal common used types, type guards and other to quickly jumpstart a new project or experiment
types typescript type typeguard typeguards
is-lite
A tiny javascript type testing tool
type check assertion validation test typeguard typeof instanceof
@hqoss/guards
A comprehensive, platform-agnostic collection of type guards for TypeScript and JavaScript
type guard guards typeguard typeguards javascript js typescript node node.js
typeguard-composer
Composable type guards for runtime data validation.
composable type guards typescript
types-json
Type checking for JSON values
json object value array typescript types type checking guard guards
@frauschert/ts-guard
ts-guard is a typescript library that provides composable type guards. Its inspired by zod but focusses only on type guards and is more lightweight.
typescript type guards validation
app-usage-events-react
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
types type guards guards type checks checks type checking typescript
predicates
Set of various predicates for type checking, assertions, filtering etc
predicates predicate type check assert filter
kind-of
Get the native type of a value.
arguments array boolean check date function is is-type is-type-of kind kind-of number object of
mime-db
Media Type Database
mime db type types database charset charsets