Showing 1-20 of 31,095 packages
Check if a string or date object is a valid birthdate.
Return true if a value is a valid glob pattern or patterns.
Detect if a string is a data URL
A function to check whether a prop is valid for HTML and SVG elements
Convert a string to a valid JavaScript identifier
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Returns true if a file path does not contain any invalid characters.
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.
Give me a string and I'll tell you if it's a valid npm package name
Returns true if a value is a valid instance of Base.
Checks if the geometry is a valid according to the OGC Simple Feature Specification.
The semantic version parser used by npm.
Copy a descriptor from object A to object B
Check if a string is a valid filename
Validate domain name
JSON for Humans
Convert a string to a valid safe filename
Check if a string is a valid JavaScript identifier
Brand checking of React Elements.
string-argv parses a string into an argument array to mimic process.argv. This is useful when testing Command Line Utilities that you want to pass arguments to.