es-to-primitive
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
log-symbols
Colored symbols for various log levels. Example: `✔︎ Success`
has-tostringtag
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
figures
Unicode symbols with fallbacks for older terminals
is-symbol
Determine if a value is an ES6 Symbol or not.