Value Packages

There are simple and useful functions developed for JSONs.

Map object key/value into new object, but let you alter/delete some keys using functions

Map slider values to a linear or exponential range.

Performs a replacement on a string using a map

Map object keys and values into a new object

Map object keys and values into a new object

Map from one object to another using JSON pointers

Map object keys and values into an array

Utility for localForage to set, get and remove multiple items

little module to mandate functions on an object

A minimal utility module to throw errors when an object does not contain "must have" keys.

Library for JSON parsing based on value or object matching.

A pure javascript, persisten key-value store for Node.js that supports out-of-core data access.

Test if something is equal to any of the given values.

Map/adapt a component's value/onChange props using a Map or function

Assign values to objects without boilerplate

Wrap and validate optional values

Transform ES2015 Promise to Stream - specifically, Transform Stream using [through2][]. Works in object mode by default, but you can pass options directly to the [through2][] package.

Parse simple properties from plain text files

A node.js module to retrieve information about Hong Kong personalised (vanity) car plates