main
throw Error when passing a instance of Record as a Record factory default values (#195)
fix new proto key injection
start typing __tests__ dir
sort all imports via eslint
fix(IndexedCollection): `has(index)` on a lazy `Seq` of unknown size now checks index existence instead of searching for a value equal to the index
fix(List): preserve undefined values when grown past 32 elements
Better TypeScript configuration for jest
perf(Map): index large hash-collision buckets for faster lookups
Add tests from PR #2215 for To* sequences, concat, mapEntries and mapKeys
Add test on Range.filter.has
fix(Repeat): lastIndexOf returned size instead of size - 1
add test for Seq.toString
Better type for reduce if not ininitial value is given
fix types in test
backport tests from 6.x
fix test typing issues
Add all eslint plugins