dingus js

Dingus-js is a record-then-assert test double library for JavaScript and
TypeScript.

It is similar to the Python library dingus.

``node
> const {dingus} = require('dingusjs');
> const d = dingus('root');
> ''+d;
''
> ''+d.foo.bar().baz('Hello', 'world');
''
> d.foo.bar().baz.calls.map(([name, args, result]) => args);
[ [ 'Hello', 'world' ] ]
``

This is not an officially supported Google product.