How this analysis was created: This summary and feature list were written by an AI model that read the project's README and public documentation pages. Each feature links to the documentation it came from; stars, license and language come straight from the GitHub API. The model does not read the source code, and the analysis is refreshed when the project is re-analysed. Learn more on our About page.
is.js is a JavaScript validation library and data type checker. It provides a suite of utilities to verify whether variables are primitives, arrays, functions, or specific object types. The project allows for the implementation of custom validation logic and the use of naming namespaces to override default rules and regular expressions. It covers a broad range of validation capabilities, including numeric arithmetic properties, date and time analysis for relative and absolute ranges, and string format verification for patterns such as emails, URLs, and IP addresses. The library also includes
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.. # ------------------( LICENSE )------------------ .. # Copyright (c) 2014-2025 Beartype authors. .. # See "LICENSE" for further details. .. # .. # ------------------( SEO )------------------ .. # Metadata converted into HTML-specific meta tags parsed by search engines. .. # Note that: .. # *…
The main features of beartype/beartype are: Linters And Style Checkers, Runtime Type Checkers.
Open-source alternatives to beartype/beartype include: arasatasaygin/is.js — is.js is a JavaScript validation library and data type checker. It provides a suite of utilities to verify whether… andreoliwa/nitpick — Enforce the same settings on multiple projects. agronholm/typeguard — .. image:: https://github.com/agronholm/typeguard/actions/workflows/test.yml/badge.svg :target:… astral-sh/ruff — Ruff is a high-performance static analysis and code formatting tool designed for Python. Built in Rust, it functions… davidfstr/trycast — trycast parses JSON-like values whose shape is defined by TypedDicts and other standard Python type hints. adamchainz/flake8-comprehensions — flake8-comprehensions.
