Lookup Packages

The hasNestedProperty method missing in Object. This module does not extend Object.

Returns `true` if a value exists in the given string, array or object.

Lookup information with ISO 3166-1 alpha-2, ISO 3166-1 alpha-3 and ISO 3166-1 numeric

Maxmind GeoIP2 Web Services (unofficial) - IP and hostname geolocation

An implementation to speed up the nodejs `dns.lookup` method by avoiding thread pool and using resolve4/resolve6 with DNS TTL values

A utility for getting geo-location information via HTML5 and IP look-ups, geocoding, address look-ups, distance and durations, timezone information and more...

Attempt to resolve the absolute filepath to a file and verify that it exists.

An implementation to speed up the nodejs `dns.lookup` method by avoiding thread pool and using resolve4/resolve6 with DNS TTL values

a simple webfinger record lookup library

Fast point-in-polygon intersection for large numbers of polygons.

Extended native JavaScript Array which provides indexed lookup similar to native Map.

HTTP agent that connects to services defined in SRV records'

Fast geometry in geometry lookup for large GeoJSONs

Lookup the fully qualified domain name ("FQDN") of the current server's IP (default) or a custom IP. 90x faster than `hostname -f` and works with Node v6.4+.

Get the language associated with a file extension or the extensions associated with a language using the data from GitHub's [Linguist YAML file](https://github.com/github/linguist/blob/master/lib/linguist/languages.yml)

Transform a stream or array into a lookup object

DNS wrapper for node.js

Find the root directory of a Node.js project from a given path

A process lookup utility

A process lookup utility, with support for ppid filtering