is - nodef/extra-function GitHub Wiki

Check if value is a function.

Similar: is, isAsync, isGenerator.

function is(v)
// v: a value

const xfunction = require('extra-function');


xfunction.is(Object.keys);
// → true

xfunction.is(() => 0);
// → true

xfunction.is(async () => 0);
// → true

xfunction.is(0);
// → false

References