Clone a constructor without affecting the super-class
Cross-browser `CustomEvent` constructor
Library for creating tagged constructors.
Is this a bluebird promise I see before me?
It makes simple throw qualified errors.
Look up HTML tag names via HTML Element constructors, and vice versa.
Like new Promise(), but prevents implicit rejection
Returns an array constructor corresponding to an array data type.
create fast and correct error constructors
Node.js Dependency Container
Check if a value is an error constructor
constructors for the Shift AST format
Create easily configurable sinon stubs that mimic constructors and keep track of their instances
assertion library that throws user-specified error types (accepts error class and message)
Cross-browser `ProgressEvent` constructor
Make sure $q is a constructor (1.3+). Throw if it isn't.
Simple and convenient generator of prototype based constructor functions
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