electron/npm/install.js

83 lines
2 KiB
JavaScript
Executable file

#!/usr/bin/env node
const {version} = require('./package')
const fs = require('fs')
const os = require('os')
const path = require('path')
const extract = require('extract-zip')
const { downloadArtifact } = require('@electron/get')
if (process.env.ELECTRON_SKIP_BINARY_DOWNLOAD) {
process.exit(0)
}
const platformPath = getPlatformPath()
if (isInstalled()) {
process.exit(0)
}
// downloads if not cached
downloadArtifact({
version,
artifactName: 'electron',
force: process.env.force_no_cache === 'true',
cacheRoot: process.env.electron_config_cache,
platform: process.env.npm_config_platform || process.platform,
arch: process.env.npm_config_arch || process.arch
}).then(extractFile).catch(err => {
console.error(err.stack)
process.exit(1)
})
function isInstalled () {
try {
if (fs.readFileSync(path.join(__dirname, 'dist', 'version'), 'utf-8').replace(/^v/, '') !== version) {
return false
}
if (fs.readFileSync(path.join(__dirname, 'path.txt'), 'utf-8') !== platformPath) {
return false
}
} catch (ignored) {
return false
}
const electronPath = process.env.ELECTRON_OVERRIDE_DIST_PATH || path.join(__dirname, 'dist', platformPath)
return fs.existsSync(electronPath)
}
// unzips and makes path.txt point at the correct executable
function extractFile (zipPath) {
return new Promise((resolve, reject) => {
extract(zipPath, { dir: path.join(__dirname, 'dist') }, err => {
if (err) return reject(err)
fs.writeFile(path.join(__dirname, 'path.txt'), platformPath, err => {
if (err) return reject(err)
resolve()
})
})
})
}
function getPlatformPath () {
const platform = process.env.npm_config_platform || os.platform()
switch (platform) {
case 'mas':
case 'darwin':
return 'Electron.app/Contents/MacOS/Electron'
case 'freebsd':
case 'openbsd':
case 'linux':
return 'electron'
case 'win32':
return 'electron.exe'
default:
throw new Error('Electron builds are not available on platform: ' + platform)
}
}