Bundle and watch the JavaScript.
bundle(mode = c("production", "development", "none"))bundle_prod()
bundle_dev()
watch()
The configuration mode tells webpack to use its built-in optimisations accordingly.
bundle() - bundle the project.
bundle_prod() - bundle the project optimising production, equivalent to bundle("production") and npm run production.
bundle_dev() - bundle the project including debugging developer tools, equivalent to bundle("development") and npm run development.
watch() - watches for changes in the srcjs and rebuilds if necessary, equivalent to npm run watch.