204 packages found
Optionals for JS - wrapper for possibly undefined values, inspired by Java Optional API
Validate and format function arguments ( handles types and optionals)
Typed Option/Optional/Maybe for TypeScript and JavaScript, created to simplify code involving optional values (null, undefined, NaN).
Provide Optional functionality for null/undefined safety!
Nullable functions
An ESLint plugin to disable the use of the optional-call operator.
A browserify transform that allows optional dependencies in try..catch blocks
Codemod to migrate from Lodash get and logical and expressions to optional chaining
Allows you to optionally include modules without surrounding everything with 'try/catch'
Option monadic implementation in Typescript
An implementation of Haskell's type classes in TS
A PostCSS plugin for conditional comments
Elegant and battle-tested validation library for type-safe input data (for TypeScript and Flow)
Left-shift optional function arguments.
NodeJS Require that let you handle module not found error without try/catch
An optional library enabling the usage of optionals written in TypeScript
- optional
- maybe
- maybe type
- optional type
- functional optional type
- typescript optional type
- typescript optional
Checks if variable has specific type. It can be used for primitives but its power lies in complex types like interfaces and in optional logic.
Allows you declare optionalPeerDependencies that can be satisfied by the top level module but ignored if they are not.
Make the 'new' keyword optional for ES6 classes
Handlebars helpers for rendering optional values