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npm-run-bg

v1.0.8

Published

Call `npm-run-bg [bg-npm-cmd] [main-cmd]` to start and kill a background process and run a main process from a single command. Good for certain CI systems or just ensuring dependencies are running.

Downloads

267

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Links

Git

Maintainers

toddtarsitoddtarsi

Keywords

Readme

npm-run-bg

A utility for running variadic background processes from a single npm command. Can make things like running tunnels or small http servers easier on nodejs.

Syntax: npm-run-bg [bg-process-1] ...[bg-process-N] [main-command]

Examples

You can run a tunnel in the background of your end to end tests easily

npm-run-bg 'npm run start-tunnel' 'npm run test-end-to-end'

You can make the main process not begin until the background process gives some output that indicates success, as well as a timeout before which to fail (default 5 seconds).

npm-run-bg 'npm run start-tunnel::Connection Ready::15000' 'npm run test-end-to-end'

You can do this with as many processes as you like.

npm-run-bg 'http-server ./static' 'npm run start-tunnel' 'npm run test-end-to-end'

In the case of multiple delaying mechanisms, the system will launch all processes simultaneously and assume delays are specific to each process. This can be tweaked in the future as needed

npm-run-bg 'http-server::Started Successfully::15000' 'npm run start-tunnel::Connection Ready:1000' 'npm run test-end-to-end'