Transforms css values and at-rule params into the tree

Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.

Use property paths like 'a.b.c' to get a nested value from an object. Even works when keys have dots in them (no other dot-prop library we tested does this, or does it correctly).

Set nested properties on an object using dot notation.

A TypeScript result type taking cues from Rust's Result and Haskell's Either types

Define a lazily evaluated property on an object

Simple key-value storage with support for multiple backends

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

Delete nested properties from an object using dot notation.

An asynchronous yieldable version of JSON.stringify and JSON.parse

Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.

Map object keys and values into a new object

Normalize a value or function, applying extra args to the function

Unopinionated base ESLint configuration for Preact and Preact CLI projects.

An error subclass for wrapping non-error values

Modify the values of an object

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

Returns true if a value has the characteristics of a valid JavaScript data descriptor.

Filter object keys and values into a new object

Utility to parse a string bytes to bytes and vice-versa