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206 packages found
TypeScript type-checking plugin for esbuild
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
- array
- assert
- assertion
- async
- async function
- async-function
- asyncFunction
- bool
- boolean
- browser
- check
- check-type
- checking
- class
- View more
A small library for checking types
Type checking for JSON values
A parameter management utility.
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
robust type checking for js
Get the type of a variable or one unevaluated operand
A simple function to check if a piece of data is truthy. JavaScript version.
- true
- false
- truthy
- falsy
- javascript
- validation
- checking
- data validation
- object validation
- array validation
- set validation
- map validation
Regular expression matching for email addresses. Maintained, configurable, more accurate, and browser-friendly alternative to email-regex. Works in Node v14+ and browsers. Made for Spam Scanner and Forward Email.
Basic persistence capabilities for the data object.
A simple, convenient way to represent domain objects, leverage domain knowledge, and add runtime validation in your code base.
Modern, reliable, full featured, type checking helpers
ko-typed provides observable extensions for restricting and converting observable values based on type
Runtime type-checking for JavaScript.
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
- View more
dirty checking for javascipt like expressions
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
simple express-validator wrapper for easier work with validation error handling
typyts is a library to safely access nested object.