An interpreter of [lambda calculus](https://en.wikipedia.org/wiki/Lambda_calculus).
Test if a value is a skew-centrosymmetric matrix.
Power Assert feature enhancer for assert function/object
Parse unist trees, and map over nodes that pass a predicate function
Utility to build TypeScript AST from a string, similar to @babel/template
Test utilities for Heroku CLI
Detect native ArrayBuffer support.
Detect native Symbol.toStringTag support.
strict cast string to number
Sainte-Laguë method for seat distribution used in multiple parliamentary elections all over the world
Over-engineered string truncation for web UI's
SWC plugin for power-assert
Detect native DataView support.
Bit Manipulation Standards
Test if a value is a number having a nonpositive value.
Test if a value is a BigInt64Array.
Detect native Float64Array support.
Sort array of arrays by column, rippling the sorting outwards from that column
A transformer that converts assert statements into if then error statements.
Assert on equality of json representations in Chai
Create an is-eq- fn
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Detect native Uint32Array support.
This test runner runs all asynchronous tests concurrently, which can speed up tests if a test suite includes lots of tests that perform asynchronous operations.