TypeScript compatible runtime type system for IO validation. 

io-ts

TypeScript runtime type system for IO decoding/encoding

gcanti

TypeScript compatible runtime type system for IO validation

(Experimental) An ambiguous license classifier was found.

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Ambiguous License Classifier

Source files are encoded using a non-standard text encoding.

What is bad text encoding?

Bad text encoding

Package version is not a valid semantic version (semver).

What is bad semver?

Bad semver

Package has dependencies with an invalid semantic version. This could be a sign of beta, low quality, or unmaintained dependencies.

What is bad dependency semver?

Bad dependency semver

Source files contain bidirectional unicode control characters. This could indicate a Trojan source supply chain attack. See: trojansource.codes for more information.

What are bidirectional unicode control characters?

Bidirectional unicode control characters

This package has multiple bin scripts with the same name. This can cause non-deterministic behavior when installing or could be a sign of a supply chain attack.

What is bin script confusion?

Bin script confusion

Semantic versions published out of chronological order.

What is a chronological version anomaly?

Chronological version anomaly

Project maintainer's SSH key has been compromised.

What is a compromised SSH key?

Compromised SSH key

(Experimental) Copyleft license information was found.

What do I need to know about license files?

Copyleft License

Contains a Critical Common Vulnerability and Exposure (CVE).

What is a critical CVE?

Title

Critical CVE

Contains a high severity Common Vulnerability and Exposure (CVE).

What is a CVE?

High CVE

Uses debug, reflection and dynamic code execution features.

What is debug access?

Debug access

The maintainer of the package marked it as deprecated. This could indicate that a single version should not be used, or that the package is no longer maintained and any new vulnerabilities will not be fixed.

What is a deprecated package?

Deprecated

(Experimental) Contains a known deprecated SPDX license exception.

What is a deprecated SPDX exception?

Deprecated SPDX exception

(Experimental) License is deprecated which may have legal implications regarding the package's use.

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Deprecated license

Package name is similar to other popular packages and may not be the package you want.

What is a typosquat?

Possible typosquat attack

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

What is dynamic require?

Dynamic require

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What is an empty package?

Empty package

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

What is environment variable access?

Environment variable access

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Explicitly Unlicensed Item

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What are extraneous dependencies?

Name

Extraneous dependency

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What are file dependencies?

File dependency

Accesses the file system, and could potentially read sensitive data.

What is filesystem access?

Filesystem access

Package has a dependency with a floating version range. This can cause issues if the dependency publishes a new major version.

What are wildcard dependencies?

Wildcard dependency

Contains a dependency which resolves to a remote git URL. Dependencies fetched from git URLs are not immutable can be used to inject untrusted code or reduce the likelihood of a reproducible install.

What are git dependencies?

Git dependency

Contains a dependency which resolves to a GitHub URL. Dependencies fetched from GitHub specifiers are not immutable can be used to inject untrusted code or reduce the likelihood of a reproducible install.

What are GitHub dependencies?

GitHub dependency

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What is an AI-detected potential code anomaly?

AI-detected potential code anomaly

AI has identified this package as malware. This is a strong signal that the package may be malicious.

What is AI-detected potential malware?

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What are AI-detected potential security risks?

AI-detected potential security risk

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What's wrong with native code?

Native code

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What are high entropy strings?

High entropy strings

Contains unicode homoglyphs which can be used in supply chain confusion attacks.

What are unicode homoglyphs?

Unicode homoglyphs

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What are http dependencies?

HTTP dependency

Install scripts are run when the package is installed. The majority of malware in npm is hidden in install scripts.

What is an install script?

Install scripts

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What is an invalid manifest file?

Invalid manifest file

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What are invisible characters?

Invisible chars

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Long strings

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The package was published by an npm account that no longer exists.

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Missing package tarball

(Experimental) Package contains multiple licenses.

What is a mixed license?

Mixed license

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What is a modified license exception?

Modified license exception

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Modified license

What is network access?

Network access

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.

What is new author?

New author

Package does not specify a list of contributors or an author in package.json.

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No contributors or author data

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No bug tracker

(Experimental) License information could not be found.

No License Found

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No README

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No repository

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

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No tests

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

What is wrong with semver < v1?

No v1

What is a missing website?

No website

(Experimental) Package has a non-FSF-approved license.

What is a non FSF license?

Non FSF license

(Experimental) Package has a non-OSI-approved license.

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Non OSI license

(Experimental) Package contains a non-standard license somewhere. Please read carefully before using.

		@@ -15,2 +15,8 @@ # Changelog

		# 0.4.0

		- Breaking Change
		- upgrade to latest `fp-ts` (`io-ts` APIs are not changed though) (@gcanti)
		- drop `lib-jsnext` folder

		# 0.3.2
		@@ -17,0 +23,0 @@

		{
		"name": "io-ts",
		"version": "0.3.2",
		"version": "0.4.0",
		"description": "TypeScript compatible runtime type system for IO validation",
		"files": [
		"lib",
		"lib-jsnext"
		"lib"
		],
		"main": "lib/index.js",
		"jsnext:main": "lib-jsnext/index.js",
		"typings": "lib/index.d.ts",
		@@ -16,4 +14,4 @@ "scripts": {
		"test": "npm run typings-checker && npm run mocha",
		"clean": "rm -rf lib/* && rm -rf lib-jsnext/*",
		"build": "npm run clean && tsc && tsc -m es6 --outDir lib-jsnext"
		"clean": "rm -rf lib/*",
		"build": "npm run clean && tsc"
		},
		@@ -31,3 +29,3 @@ "repository": {
		"dependencies": {
		"fp-ts": "^0.2.0"
		"fp-ts": "^0.3.0"
		},
		@@ -34,0 +32,0 @@ "devDependencies": {

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