added cache

npm/.travis.yml

@@ -1,3 +1,5 @@
 language: node_js
 node_js:
   - '0.10'
+  - '0.12'
+  - 'iojs'

npm/install.js

@@ -2,10 +2,12 @@
 
 var os = require('os')
 var path = require('path')
+var pathExists = require('path-exists')
+var mkdir = require('mkdirp')
 var nugget = require('nugget')
 var extract = require('extract-zip')
 var fs = require('fs')
-
+var getHomePath = require('home-path')()
 var platform = os.platform()
 var arch = os.arch()
 var version = '0.25.2'
@@ -22,12 +24,28 @@ var paths = {
   win32: path.join(__dirname, './dist/electron.exe')
 }
 
+var cache = {
+  darwin: path.join(getHomePath, './.electron'),
+  linux: path.join(getHomePath, './.electron'),
+  win32: path.join(getHomePath, './.electron')
+}
+
 if (!paths[platform]) throw new Error('Unknown platform: ' + platform)
 
-nugget(url, {target: filename, dir: __dirname, resume: true, verbose: true}, function (err) {
+// use cache if possible
+if (pathExists.sync(path.join(cache[platform], filename))) {
+  extractFile()
+} else {
+  mkdir(cache[platform], function(err) {
+    if (err) return onerror(err)
+    nugget(url, {target: filename, dir: cache[platform], resume: true, verbose: true}, extractFile)
+  })
+}
+
+function extractFile (err) {
   if (err) return onerror(err)
   fs.writeFileSync(path.join(__dirname, 'path.txt'), paths[platform])
-  extract(path.join(__dirname, filename), {dir: path.join(__dirname, 'dist')}, function (err) {
+  extract(path.join(cache[platform], filename), {dir: path.join(__dirname, 'dist')}, function (err) {
     if (err) return onerror(err)
   })
-})
+}

npm/package.json

@@ -8,7 +8,8 @@
   },
   "scripts": {
     "install": "node install.js",
-    "test": "tape test/*.js"
+    "test": "tape test/*.js",
+    "cache-clean": "rimraf ~/.electron"
   },
   "bin": {
     "electron": "cli.js"
@@ -16,10 +17,13 @@
   "main": "index.js",
   "dependencies": {
     "extract-zip": "^1.0.3",
-    "nugget": "^1.2.0"
+    "home-path": "^0.1.1",
+    "mkdirp": "^0.5.0",
+    "nugget": "^1.2.0",
+    "path-exists": "^1.0.0"
   },
   "devDependencies": {
-    "path-exists": "^1.0.0",
+    "rimraf": "^2.3.3",
     "tape": "^3.0.1"
   },
   "author": "Mathias Buus",

npm/test/index.js

@@ -1,8 +1,15 @@
 var tape = require('tape')
 var electron = require('../')
+var path = require('path');
 var pathExists = require('path-exists')
+var getHomePath = require('home-path')()
 
-tape('has binary', function(t) {
+tape('has local binary', function(t) {
   t.ok(pathExists.sync(electron), 'electron was downloaded')
   t.end()
 })
+
+tape('has cache folder', function(t) {
+  t.ok(pathExists.sync(path.join(getHomePath, './.electron')), 'cache exists')
+  t.end()
+})