is-core-module - npm Package Compare versions

Comparing version 1.0.2 to 2.0.0

index.js

@@ -1,3 +0,69 @@
-module.exports = function(packageName) {
-  return !!~Object.keys(process.binding('natives')).indexOf(packageName);
+'use strict';
+
+var has = require('has');
+
+function specifierIncluded(current, specifier) {
+	var nodeParts = current.split('.');
+	var parts = specifier.split(' ');
+	var op = parts.length > 1 ? parts[0] : '=';
+	var versionParts = (parts.length > 1 ? parts[1] : parts[0]).split('.');
+
+	for (var i = 0; i < 3; ++i) {
+		var cur = parseInt(nodeParts[i] || 0, 10);
+		var ver = parseInt(versionParts[i] || 0, 10);
+		if (cur === ver) {
+			continue; // eslint-disable-line no-restricted-syntax, no-continue
+		}
+		if (op === '<') {
+			return cur < ver;
+		}
+		if (op === '>=') {
+			return cur >= ver;
+		}
+		return false;
+	}
+	return op === '>=';
 }
+
+function matchesRange(current, range) {
+	var specifiers = range.split(/ ?&& ?/);
+	if (specifiers.length === 0) {
+		return false;
+	}
+	for (var i = 0; i < specifiers.length; ++i) {
+		if (!specifierIncluded(current, specifiers[i])) {
+			return false;
+		}
+	}
+	return true;
+}
+
+function versionIncluded(nodeVersion, specifierValue) {
+	if (typeof specifierValue === 'boolean') {
+		return specifierValue;
+	}
+
+	var current = typeof nodeVersion === 'undefined'
+		? process.versions && process.versions.node && process.versions.node
+		: nodeVersion;
+
+	if (typeof current !== 'string') {
+		throw new TypeError(typeof nodeVersion === 'undefined' ? 'Unable to determine current node version' : 'If provided, a valid node version is required');
+	}
+
+	if (specifierValue && typeof specifierValue === 'object') {
+		for (var i = 0; i < specifierValue.length; ++i) {
+			if (matchesRange(current, specifierValue[i])) {
+				return true;
+			}
+		}
+		return false;
+	}
+	return matchesRange(current, specifierValue);
+}
+
+var data = require('./core.json');
+
+module.exports = function isCore(x, nodeVersion) {
+	return has(data, x) && versionIncluded(nodeVersion, data[x]);
+};

package.json

 {
-  "name": "is-core-module",
-  "version": "1.0.2",
-  "description": "check if packageName is a core module",
-  "main": "index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/meandavejustice/is-core-module.git"
-  },
-  "keywords": [
-    "core",
-    "modules",
-    "npm",
-    "dependencies"
-  ],
-  "author": "meandave",
-  "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/meandavejustice/is-core-module/issues"
-  },
-  "homepage": "https://github.com/meandavejustice/is-core-module"
+	"name": "is-core-module",
+	"version": "2.0.0",
+	"description": "Is this specifier a node.js core module?",
+	"main": "index.js",
+	"exports": {
+		".": [
+			{
+				"default": "./index.js"
+			},
+			"./index.js"
+		],
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"lint": "eslint .",
+		"pretest": "npm run lint",
+		"tests-only": "tape test",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/inspect-js/is-core-module.git"
+	},
+	"keywords": [
+		"core",
+		"modules",
+		"module",
+		"npm",
+		"node",
+		"dependencies"
+	],
+	"author": "Jordan Harband <[e-mail]>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/inspect-js/is-core-module/issues"
+	},
+	"homepage": "https://github.com/inspect-js/is-core-module",
+	"dependencies": {
+		"has": "^1.0.3"
+	},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^17.2.0",
+		"aud": "^1.1.2",
+		"auto-changelog": "^2.2.1",
+		"eslint": "^7.10.0",
+		"tape": "^5.0.1"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	}
 }

README.md

@@ -1,18 +0,37 @@
-# is-core-module
+# is-core-module <sup>[![Version Badge][2]][1]</sup>
 
-[![NPM](https://nodei.co/npm/is-core-module.png?downloads=true)](https://npmjs.org/package/is-core-module)
+[![Build Status][3]][4]
+[![dependency status][5]][6]
+[![dev dependency status][7]][8]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
 
-Returns whether or not the `packageName` you pass in is a core module or not.
+[![npm badge][11]][1]
 
+Is this specifier a node.js core module? Optionally provide a node version to check; defaults to the current node version.
 
-Look at the source, you probably just want to use that function. I just can't ever remember it.
+## Example
 
-# Usage
-
-``` javascript
-require('is-core-module')('fs') // returns true
-require('is-core-module')('butts') // returns false
+```js
+var isCore = require('is-core-module');
+var assert = require('assert');
+assert(isCore('fs'));
+assert(!isCore('butts'));
 ```
 
-## License
-MIT
+## Tests
+Clone the repo, `npm install`, and run `npm test`
+
+[1]: https://npmjs.org/package/is-core-module
+[2]: https://versionbadg.es/inspect-js/is-core-module.svg
+[3]: https://travis-ci.com/inspect-js/is-core-module.svg
+[4]: https://travis-ci.com/inspect-js/is-core-module
+[5]: https://david-dm.org/inspect-js/is-core-module.svg
+[6]: https://david-dm.org/inspect-js/is-core-module
+[7]: https://david-dm.org/inspect-js/is-core-module/dev-status.svg
+[8]: https://david-dm.org/inspect-js/is-core-module#info=devDependencies
+[11]: https://nodei.co/npm/is-core-module.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/is-core-module.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/is-core-module.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=is-core-module

New alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Debug access

Supply chain risk

Uses debug, reflection and dynamic code execution features.

Found 2 instances in 1 package

Dynamic require

Supply chain risk

Dynamic require can indicate the package is performing dangerous or unsafe dynamic code execution.

Found 1 instance in 1 package

Fixed alerts

Trivial Package

Supply chain risk

Packages less than 10 lines of code are easily copied into your own project and may not warrant the additional supply chain risk of an external dependency.

Found 1 instance in 1 package

No tests

Quality

Package does not have any tests. This is a strong signal of a poorly maintained or low quality package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

14711

increased by557.33%

Number of package files

12

increased by200%

Lines of code

210

increased by6900%

Number of low quality alerts

0

decreased by-100%

Number of lines in readme file

38

increased by100%

Worsened metrics

Dependency count

1

increased byInfinity%

Dev dependency count

5

increased byInfinity%

Number of low supply chain risk alerts

5

increased byInfinity%

Number of medium supply chain risk alerts

2

increased by100%

Dependency changes

• + Addedhas@^1.0.3

• + Addedhas@1.0.4(transitive)