ljharb/es-to-primitive

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

My shareable eslint config

Determine if the JS environment has Symbol support. Supports spec, or shams.

string representations of objects in node and the browser

Command line search and replace utility

The semantic version parser used by npm.

tap-producing test harness for node and browsers

Determine if a value is an ES6 Symbol or not.

code coverage command con coverify

foreach component + npm package

An ES2015 spec-compliant `Function.prototype.name` shim

ES2015-compliant shim for Object.is - differentiates between -0 and +0