declared
Return the first argument that is "!= undefined" (or "!= null", which is the same thing)
Return the first argument that is "!= undefined" (or "!= null", which is the same thing)
A javascript (typescript) library inspired by scala's Option monad.
A nullsafe traversal
Functional programming library for TypeScript
Mocha add-on method it.optional() which marks a test as pending if it would fail
Prevent issues with `fsevents` and other breaking, platform-specific `optionalDependencies` in `package.json` by including this plugin first in the plugins stack.
The default Babel preset for Fooxly projects.
TS adapted Java Optional class with extra utility classes.
Simple Java8-inspired monadic class to represent optional values
An opinionated Option and Result type for js and ts
Maybe
A simple and powerful templating system supporting conditional logic, optional chaining, nested data sources, non string templates, ternary operators, looping control flow and custom processing functions.
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.
runtime peer dependency check
Package that helps you to be okay if some dependency is missing.
Transform sync, async or generator function to Stream. Correctly handle errors and optional arguments.
Access and chain object properties and methods in a safe manner.
TypeScript transformer to make transpiled output of optional chaining and nullish coalescing less verbose
Simple function overloads for optional arguments
Support for Guava like optionals in Node.js.