Rowan's JavaScript Helpers

Library of pure JavaScript filters and predicates. This library is available via node package manager and may be installed by using the following command:

npm i @rowansays/helpers

Functions

castArray()

• clones existing arrays
• converts Map, Set, and other iterables to arrays
• optional filtering of allowed types
• optional recursion

castString()

• strings pass through unaltered
• numbers are coerced to strings
• an empty string is returned for everything else

castStringArray()

• filter an array preserving all string values
• numbers are coerced to strings
• all other values are excluded from the array

isIterable()

• returns true for all iterables

isIterableObject()

• returns true for all iterables except strings