inspect-js/is-core-module

Is this specifier a node.js core module?

stars

114

commits

JavaScript

primary language

May 5, 2026

updated

core

module

node

README

is-core-module

Is this specifier a node.js core module? Optionally provide a node version to check; defaults to the current node version.

Example

var isCore = require('is-core-module');
var assert = require('assert');
assert(isCore('fs'));
assert(!isCore('butts'));

Tests

Clone the repo, npm install, and run npm test

Contributors

111 commits

1 commits

1 commits

1 commits

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inspect-js/is-core-module

Is this specifier a node.js core module?

stars

114

commits

JavaScript

primary language

May 5, 2026

updated

core

module

node

README

is-core-module

Is this specifier a node.js core module? Optionally provide a node version to check; defaults to the current node version.

Example

var isCore = require('is-core-module');
var assert = require('assert');
assert(isCore('fs'));
assert(!isCore('butts'));

Tests

Clone the repo, npm install, and run npm test

Similar repos

isaacs/core-util-is

The util.is* functions from Node core

101

juliangruber/builtins

List of node.js builtin modules

juliangruber/isarray

Array#isArray for older browsers.

131

jonschlinkert/isobject

Is the value an object, and not an array or null?

105

jonschlinkert/is-plain-object

Returns true if the given value is an object created by the Object constructor.

156

sindresorhus/is-inside-container

Check if the process is running inside a container (Docker/Podman)

sindresorhus/is-docker

Check if the process is running inside a Docker container

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npm/npm-install-checks

contains checks that npm runs during the installation

Contributors

111 commits

1 commits

1 commits

1 commits

Languages

JavaScript

100.0%