Validates javascript objects: type checking, regex and property exist.
Work with IANA language tags.
Detect if a string is a data URL
Give me a string and I'll tell you if it's a valid npm package license string
A ridiculously light-weight argument validator (now browser friendly)
A function to check whether a prop is valid for HTML and SVG elements
Brand checking of React Elements.
A [JSONSchema](https://json-schema.org/) validator that uses code generation to be extremely fast.
Return true if a value is a valid glob pattern or patterns.
This project serves as a converter between the legacy ruleset format and a new one. It's used internally, albeit it can be used externally too, also in browsers.
A library for validating credit card fields
Give me a string and I'll tell you if it's a valid npm package name
Convert a string to a valid safe filename
JSON.parse with bigints support
Minimal web-style fetch TypeScript typings
Wrapper around is-valid-instance and is-registered for validating `base` plugins. Returns true if `app` is a valid instance of base and a plugin is not registered yet.
Astro’s [Go](https://golang.org/) + WASM compiler.
A collection of utilities for emojis
Returns true if a file path does not contain any invalid characters.
Returns true if a value is a valid instance of Base.
Check if a string is a valid filename
The semantic version parser used by npm.
Convert a string to a valid JavaScript identifier
JSON for Humans
Parameter Validation and Type Coercion for Rails
sinatra-param allows you to declare, validate, and transform endpoint parameters as you would in frameworks like ActiveModel or DataMapper.
This library helps validate attributes to specific types in the same way that ActiveModel valiations work. Able to chain additional modifiers to each validation.
A new check for puppet-lint that validates that all parameters are typed.
Streaming CSV processor with row-by-row transforms, validations, column plucking, streaming each_hash iteration, filtering, writing, error recovery, and automatic delimiter detection.
A zero-dependency Ruby gem for validating hash data against schemas with type checking, coercion, required/optional fields, and custom validators.
Adds type validation for classes with ActiveModel::Validations.
Backported from Rails 5.0 to use with 4.x versions
Forms validations and type casting
Define environment variable schemas with type casting, required/optional flags, and defaults. Validates at boot time and provides typed accessors.
The `Type` gem provides tools for type-validation and type-casting, and is useful for ensuring well-formed messages are passed to external APIs/
Define configuration schemas with required and optional keys, type constraints, default values, and allowed value lists. Validates hashes and raises descriptive errors.
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