ES spec-like internal slots
calculates width of given string
Robustly `.call.bind()` a function
ES spec-compliant shim for ArrayBuffer.prototype.slice
compare SPDX license expressions
Define a data property on an object. Will fall back to assignment in an engine without descriptors.
Spec-compliant polyfill for String.prototype.matchAll
ES2017 spec-compliant Object.values shim.
Test if a finite numeric value is an odd number.
Make espower-lodaer config file unnecessary.
Power Assert feature instrumentor based on the ECMAScript AST
Provides boundary functions, (upper-bound and lower-bound).
Minimal TAP output formatter.
ES2017 spec-compliant Object.entries shim.
Assert that a Node-API value is a specified Node-API data type.
ES2019 spec-compliant String.prototype.trimEnd shim.
validate SPDX license expressions
Set a function's name property
a built-in tap extension that adds typescript support
Test if a double-precision floating-point numeric value is positive zero.
A simple cache for a few of the JS Error constructors.
a built-in tap extension for t.worker()
Test if a finite double-precision floating-point number is an integer.
Standard assertion utilities.