Wrap feathers service methods with DD traces

dd-trace-wrap.js

const ddTrace = require('dd-trace');

module.exports = function (app) {
  if (process.env.LOCAL) return;

  const tracer = ddTrace.init({
    tags: ['app:fx-' + process.env.NODE_ENV],
    env: process.env.NODE_ENV,
    logInjection: true
  });

  app.mixins.push((service, path) => {
    Object.keys(service.methods).forEach(method => {
      if (service[method]) service[method] = tracer.wrap(`feathers`, tracer.wrap(`service.${ path }`, service[method]));
    });
  });
};