node-gyp-build-optional-packages/index.js

Build tool and bindings loader for node-gyp that supports prebuilds

const runtimeRequire = typeof __webpack_require__ === 'function' ? __non_webpack_require__ : require // eslint-disable-line
if (typeof runtimeRequire.addon === 'function') { // if the platform supports native resolving prefer that
  module.exports = runtimeRequire.addon.bind(runtimeRequire)
} else { // else use the runtime version here
  module.exports = require('./node-gyp-build.js')
}