86 lines
1.7 KiB
TypeScript
86 lines
1.7 KiB
TypeScript
'use strict';
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import { tmpdir, type } from 'os';
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import { graphics } from 'systeminformation';
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//private
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import { exec } from 'exec';
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/**
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* Evaluates system dependencies for digital
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* projector features by executing processes with
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* --help flag. If they do not exist, log to console
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*
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* @param {string} platform Operating system type
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**/
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async function dependencies (platform : string ) {
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let obj : any = {};
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try {
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await exec('ffmpeg -h');
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obj.ffmpeg = 'ffmpeg';
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} catch (err) {
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//return exit('ffmpeg is not installed', 3);
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return console.error('ffmpeg is not installed', err);
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}
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//if linux
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if (platform === 'nix') {
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try {
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await exec('eog -h');
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obj.eog = 'eog';
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} catch (err) {
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//return exit('eog is not installed', 4);
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return console.error('eog is not installed', err);
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}
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}
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return obj;
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}
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function displayMap (obj : any) {
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const sm = {
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width : obj.resolutionx,
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height : obj.resolutiony
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};
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return sm;
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}
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async function displays () {
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const obj : any = await graphics()
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const arr : any[] = obj.displays;
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return arr.map(displayMap);
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}
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/**
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* Profile the current system and return an object with
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* data about the displays and dependencies for the digital
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* projector feature.
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*
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* @returns {object} Object containing system information
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*/
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async function system () {
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const obj : any = {};
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let platform : string;
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try {
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obj.tmp = tmpdir();
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} catch (err) {
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obj.tmp = '/tmp'
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}
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platform = type();
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if (platform === 'Darwin') {
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obj.platform = 'osx';
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} else if (platform === 'Windows_NT') {
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obj.platform = 'win';
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} else {
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obj.platform = 'nix';
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}
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obj.displays = await displays()
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obj.deps = await dependencies(obj.platform);
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return obj;
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}
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module.exports = system; |