This is an npm client for emacs.
There is another package npm-mode that serves a similar purpose to this package. npm-mode offers a way to execute npm commands quickly using key-bindings whereas this package makes use of transient.el to offer a more graphical user experience for interacting with npm that I find to be advantageous for exploration and in general when you aren't totally familiar with npm or your current node project. Since both packages serve a similar purpose, they both define a mode called npm-mode and as such there would likely be conflicts if both packages were installed. Choose the package that best fits your desired NPM workflow.
This package is available on MELPA
(use-package npm
:ensure t)M-x npm
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If you use this package to run your dev server, then the default configuration in this package will kill the process every time you need to install/update a package or run a different script (aka not ideal). To keep your dev server (or any long running process) running while you run your other npm workflows with this package, you can set npm-common-buffer-name-function to npm-common-create-unique-buffer-name which will generate a unique buffer name for each of your workflows. You can set this directly with setq or through the cusomtimzation menu for npm.
As of right now this package only supports the npm run, test, install, update, and publish commands but I hope to add more functionality soon. If you have a command you would really like to see added here please open an issue!
NPM test uses the emacs-jest package by default. If you want to run your project's custom test script, for now, use npm-run and choose "test".