mcopy/app/lib/system/index.js

84 lines
1.6 KiB
JavaScript

'use strict';
const os = require('os');
const electron = require('electron');
const exec = require('exec');
//const spawn = require('spawn');
//const exit = require('exit');
/**
* Evaluates system dependencies for digital
* projector features by executing processes with
* --help flag. If they do not exist, log to console
*
* @param {string} platform Operating system type
**/
async function dependencies (platform) {
let obj = {};
try {
await exec('ffmpeg -h');
obj.ffmpeg = 'ffmpeg';
} catch (err) {
//return exit('ffmpeg is not installed', 3);
return console.error('ffmpeg is not installed', err);
}
//if linux
if (platform === 'nix') {
try {
await exec('eog -h');
obj.eog = 'eog';
} catch (err) {
//return exit('eog is not installed', 4);
return console.error('eog is not installed', err);
}
}
return obj;
}
/**
* Profile the current system and return an object with
* data about the displays and dependencies for the digital
* projector feature.
*
* @returns {object} Object containing system information
*/
async function system () {
const obj = {};
let displays = electron.screen.getAllDisplays();
let platform;
try {
obj.tmp = os.tmpdir();
} catch (err) {
obj.tmp = '/tmp'
}
platform = os.type();
if (platform === 'Darwin') {
obj.platform = 'osx';
} else if (platform === 'Windows_NT') {
obj.platform = 'win';
} else {
obj.platform = 'nix';
}
obj.displays = displays.map(obj => {
return {
width : obj.workArea.width,
height : obj.workArea.height,
x : obj.bounds.x,
y : obj.bounds.y
}
});
obj.deps = await dependencies(obj.platform);
return obj;
}
module.exports = system;