Added

• Better TypeScript support for array flattening

Changed

• Added ES2015 distributable and renamed primary export to exports.flatten

Removed

• Removed array type checked entry to flatten, prefer performance and smaller code
• Removed depth version of functions, if you know the depth it's better to use something like Array#flat or flatten helpers explicitly in code - you typically don't need anything between 1 and infinity in every day code

Fixed

• Use ReadonlyArray for TypeScript interface to improve type assignability

Changed

• Fix the TypeScript definition return type for depth functions

Added

• Add TypeScript definition to project

Changed

• Add TypeError validation to methods
• Split function into four methods - flatten, flattenFrom, flattenDepth and flattenFromDepth

Added

• Perf: 'use strict'

Added

• Execute flatten without depth via dedicated code (not depth(Infinity)) to improve performance

Fixed

• Remove potential code paths by removing depth === 1 behavior

Added

• Updated documentation in README
• Ship on files needed for package