Array manipulation, ordering, searching, summarizing, etc.

chai plugin to match objects and arrays deep equality with arrays (including nested ones) being in any order

An Error subclass that will chain nested Errors and dump nested stacktraces

Convert an object's keys to snake case

Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.

Set nested properties on an object using dot notation.

Compare anything: AST, objects, arrays, strings and nested thereof

Promisify a callback-based function

Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

A simple list of possible Typed Array names.

Find the greatest satisfied semver range from an array of ranges.

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

Safely flatten a nested JavaScript object.

An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.

Get the ArrayBuffer out of a TypedArray, robustly.

Robustly get the byte offset of a Typed Array

`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable

Is this value a JS ArrayBuffer?

Robustly get the byte length of a Typed Array

Is this value a JS SharedArrayBuffer?