is-generator-function

Determine if a function is a native generator function.

Usage no npm install needed!

<script type="module">
  import isGeneratorFunction from 'https://cdn.skypack.dev/is-generator-function';
</script>

README

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Is this a native generator function?

Example

var isGeneratorFunction = require('is-generator-function');
assert(!isGeneratorFunction(function () {}));
assert(!isGeneratorFunction(null));
assert(isGeneratorFunction(function* () { yield 42; return Infinity; }));

Tests

Simply clone the repo, npm install, and run npm test