isGenerator - nodef/extra-function GitHub Wiki

Check if value is a generator function.

Similar: is, isAsync, isGenerator.

function isGenerator(v)
// v: a value

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


function* naturalNumbers() {
  for (var i=0;; ++i)
    yield i;
}

xfunction.isGenerator(naturalNumbers);
// → true

xfunction.isGenerator(() => 0);
// → false

References

• Check if function is a generator
• is-generator-fn package by Sindre Sorhus
• is-generator-function package by Jordan Harband