duo-yaml Seamlessly require .yaml or .yml within duo Installation npm install --save-dev duo-yaml Example # foobar.yaml foo: 'bar'foofn: !<tag:yaml.org,2002:js/function> "function bar(){ return 1 }" console.log(require('./foobar.yaml'))// after build will be: -> { foo: 'bar', foofn: [Function: bar] } $ duo --use duo-yaml ...