42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
module.exports = {
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getInstalledVersion,
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spawn
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}
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var cp = require('child_process')
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var vlcCommand = require('vlc-command')
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// Runs vlc --version. Calls back with the currently installed version of VLC
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// or null if VLC is not installed. (Or 'unknown' if VLC runs and produces bad
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// output, but that should never happen.)
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function getInstalledVersion (cb) {
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exec(['--version'], function (e, stdout) {
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var version
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if (e) {
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version = null
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} else {
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// Prints several lines, starting with eg: VLC media player 2.7.0
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if (!stdout.startsWith('VLC media player')) version = 'unknown'
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else version = stdout.split(' ')[3]
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}
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cb(version)
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})
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}
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function exec (args, cb) {
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vlcCommand(function (err, vlcPath) {
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if (err) return cb(err)
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cp.execFile(vlcPath, args, cb)
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})
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}
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// Finds if VLC is installed on Mac, Windows, or Linux.
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// Uses child_process.spawn() to return a ChildProcess object
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// Calls back with (err, childProcess)
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function spawn (args, cb) {
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vlcCommand(function (err, vlcPath) {
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if (err) return cb(err)
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cb(null, cp.spawn(vlcPath, args))
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})
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}
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