1 files changed, 83 insertions, 0 deletions
diff --git a/node_modules/electron/install.js b/node_modules/electron/install.js
new file mode 100644
index 0000000..b613466
--- /dev/null
+++ b/node_modules/electron/install.js
@@ -0,0 +1,83 @@
+#!/usr/bin/env node
+
+const version = require('./package').version
+
+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)
+  }
+}