JSPM

Map of invalid numeric character references to their replacements, according to HTML

A simple and composable way to validate data in JavaScript (and TypeScript).

Returns true if a windows file path has invalid characters.

Returns true if a file path does not contain any invalid characters.

A simple and composable way to validate data in JavaScript (and TypeScript).

Repair broken JSON documents

Determinate if a string is a valid URI.

Png validator checks Png files for corruption

Solution for `yyyy-MM-dd HH:mm:ss` is `Invalid Date` in Safari, IE, etc

Checks if provided string looks like a valid path

'Functions all the way down' data validation for JavaScript and TypeScript.

JavaScript library to repair broken/invalid JSON strings, especially from LLM outputs

A library to generate strings that end with a checksum 'digit'. Digits in the string are in the range 0-9B-DF-HJ-NP-TV-XZ. All uppercase.

A robust utility to repair JSON strings - fix malformed or broken JSON, especially from LLM output like ChatGPT.

Check if two values have the same value.

A simple and composable way to validate data in JavaScript (and TypeScript).

Simple callback-based JSON validator for complex use-cases

Check if a date is invalid or not.

A tiny ponyfill for @babel/plugin-proposal-throw-expressions, the syntax from which TypeScript and VS Code do not (yet) support.

Fast, tiny and type-safe runtime validation library

Fast, tiny and type-safe runtime validation library

Try to parse a string as JSON and return undefined on failure

Module to generate String based on validation

DirtyJSON is a Node.js library designed for fixing and parsing invalid JSON data. 超强纠错 JSON 解析器。

An extremely fast web scraper that parses megabytes of HTML in a blink of an eye. No dependencies. PHP5+

An AngularJS directive to trigger a method when an input is valid (or invalid).

A possibility of UI having an invalid state.

An icon for indicating a validity status.

A jQuery plugin to hang actions from an element if target fields are not valid.

✅ A function to validate data using validators.

A linux password hash value (for the password field in /etc/passwd or /etc/shadow) that is invalid (i.e. there is no correct input that could match this hash) but can be used with ansible without fuss.

Checks asynchronously whether an image URL is valid or not.

Linkquest is an easy way to get all of the valid and invalid links on a single page or an entire site.

A simple and composable way to validate data in JavaScript (and TypeScript).

An Angular directive for nested forms that prevents $invalid from propagating

detects dependency version mismatches for streamlined dependency management

Verify bunch of emails

Linkquest CLI is the CLI version of Linkquest, which provides you with an easy way to get all of the valid and invalid links on a single page or an entire site through the command line.

invalid element className

Get the changed object from form

Required & Invalid directives for any required form control (except for group of checkboxes and radio buttons), plus a simple component that provides a red asterisk (by default) to complement any <label> tag.

Composable and checkable JavaScript(and TypeScript) data structure

A simple, expressive way to validate data in JavaScript.

A node executable to find any filenames recursively with characters that don't belong in URLs

Intelligent Forms to detect invalid inputs

A simple, expressive way to validate data in JavaScript.

A simple and composable way to validate data in JavaScript (and TypeScript).

A simple and composable way to validate data in JavaScript (and TypeScript).

A node executable to find any filenames recursively with invalid characters in them

A simple, expressive way to validate data in JavaScript.

An all-in-one data solution for TypeScript projects

A simple, expressive way to validate data in JavaScript.

Make assertions and perform checks for types and literal values

An optimized version of Joi. A very simple input validation by creating a schema and comparing it to the given data.