electron/npm/install.js
2016-07-28 13:47:03 -07:00

50 lines
1.5 KiB
JavaScript
Executable file

#!/usr/bin/env node
// maintainer note - x.y.z-ab version in package.json -> x.y.z
var version = require('./package').version.replace(/-.*/, '')
var fs = require('fs')
var os = require('os')
var path = require('path')
var extract = require('extract-zip')
var download = require('electron-download')
var installedVersion = null
try {
installedVersion = fs.readFileSync(path.join(__dirname, 'dist', 'version'), 'utf-8').replace(/^v/, '')
} catch (err) {
// do nothing
}
var platform = os.platform()
function onerror (err) {
throw err
}
var paths = {
darwin: 'dist/Electron.app/Contents/MacOS/Electron',
freebsd: 'dist/electron',
linux: 'dist/electron',
win32: 'dist/electron.exe'
}
if (!paths[platform]) throw new Error('Electron builds are not available on platform: ' + platform)
if (installedVersion === version && fs.existsSync(path.join(__dirname, paths[platform]))) {
process.exit(0)
}
// downloads if not cached
download({version: version, platform: process.env.npm_config_platform, arch: process.env.npm_config_arch, strictSSL: process.env.npm_config_strict_ssl === 'true'}, extractFile)
// unzips and makes path.txt point at the correct executable
function extractFile (err, zipPath) {
if (err) return onerror(err)
fs.writeFile(path.join(__dirname, 'path.txt'), paths[platform], function (err) {
if (err) return onerror(err)
extract(zipPath, {dir: path.join(__dirname, 'dist')}, function (err) {
if (err) return onerror(err)
})
})
}