ninwa/README.md

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# ninwa
node input watcher
## requirements
- evtest
- node.js
- [nvm](https://github.com/nvm-sh/nvm)
## setup (as root)
- install nvm
- to load nvm restart your terminal or `source ~/.nvm/nvm.sh`
- clone the project (to '/opt/ninwa')
`git clone https://git.velvettear.de/velvettear/ninwa.git /opt/ninwa`
- install and switch to a supported node.js version (automatically done via .nvmrc file)
`nvm install`
- install the required modules
`npm install`
- switch back to your system's default node.js version
`nvm deactivate`
- execute ninwa
`nvm run ninwa.js`
## systemd
**for security reasons it is highly recommended to not run ninwa with root permissions!**
- create a new system user
`useradd -U -r -s /usr/bin/nologin node`
- make your install of nvm available to the new user
`cp -R ~/.nvm /opt/nvm`
`chown -R node /opt/nvm`
- symlink the provided systemd-service file and modify it according to your needs
`ln -s /opt/ninwa/ninwa.service /etc/systemd/system/ninwa.service`
- reload systemd-services
`systemctl daemon-reload`
- enable and start the ninwa as a systemd-service
`systemctl enable --now ninwa`
## configuration
configuration is done entirely within the file `config.json`.
### log: [*object*]
- level: [*string*] verbosity of the log; either `debug`, `info`, `warning` or `error`
- timestamp: [*string*] format string for the timestamp; review [moment.js](https://momentjs.com/docs/#/displaying/format/) for further information
### socket: [*object*]
- location: [*string*] path to the socket file; defaults to `/tmp/ninwa.sock`
### watchers: [*object-array*]
- device: [*string*] name of or path to an input device; ninwa automatically tries to locate the device in `/dev/input` and `/dev/input/by-id/` if only a name is given
- restart: [*boolean*] restart watcher on close
- grep: [*string*] pre-filter evtest's output with grep
- keys: [*object-array*]
- key: [*string*] name of the key
- type: [*string*] type of the key event; either `keyup`, `keydown` or `keyhold`
- delay: [*number*] time in milliseconds until the key will be registered again (mostly useful for keyhold-events)
- command: [*string*] command to execute on key press
- args: [*string-array*] arguments to pass to the executed command; variables `{{ key }}` and `{{ type }}` used in args will be replaced