[fixed] Postinstall script on Windows

Author: mjackson

package.json

@@ -16,7 +16,7 @@
     "lint": "eslint modules examples",
     "start": "node examples/server.js",
     "test": "npm run lint && karma start",
-    "postinstall": "node -e \"require('fs').stat('lib', function (e, s) { process.exit(e || !s.isDirectory() ? 1 : 0) })\" || npm run build"
+    "postinstall": "node scripts/postinstall.js"
   },
   "authors": [
     "Ryan Florence",
@@ -40,6 +40,7 @@
     "expect": "^1.12.0",
     "express": "^4.13.3",
     "express-urlrewrite": "^1.2.0",
+    "gzip-size": "^3.0.0",
     "karma": "^0.13.8",
     "karma-browserstack-launcher": "^0.1.4",
     "karma-chrome-launcher": "^0.2.0",
@@ -49,6 +50,7 @@
     "karma-sourcemap-loader": "^0.3.5",
     "karma-webpack": "^1.7.0",
     "mocha": "^2.0.1",
+    "pretty-bytes": "^2.0.1",
     "qs": "^4.0.0",
     "react": "0.14.0",
     "react-addons-test-utils": "0.14.0",

scripts/build.js

@@ -0,0 +1,18 @@
+var execSync = require('child_process').execSync
+var readFileSync = require('fs').readFileSync
+var prettyBytes = require('pretty-bytes')
+var gzipSize = require('gzip-size')
+
+function exec(command) {
+  execSync(command, { stdio: [0, 1, 2] })
+}
+
+exec('npm run build')
+exec('npm run build-umd')
+exec('npm run build-min')
+
+console.log(
+  '\ngzipped, the UMD build is ' + prettyBytes(
+    gzipSize.sync(readFileSync('umd/ReactRouter.min.js'))
+  )
+)

scripts/build.sh

@@ -0,0 +1,11 @@
+var execSync = require('child_process').execSync
+var stat = require('fs').stat
+
+function exec(command) {
+  execSync(command, { stdio: [0, 1, 2] })
+}
+
+stat('lib', function (error, stat) {
+  if (error || !stat.isDirectory())
+    exec('npm run build')
+})

scripts/postinstall.js

@@ -2,7 +2,7 @@
 
 changelog=node_modules/.bin/changelog
 
-if ! [ -e scripts/build.sh ]; then
+if ! [ -e scripts/build.js ]; then
   echo >&2 "Please run scripts/release.sh from the repo root"
   exit 1
 fi
@@ -43,7 +43,7 @@ git push origin master
 git push origin $next_ref
 git push origin latest -f
 
-./scripts/build.sh
+node scripts/build.js
 
 # This is a workaround for a nasty npm bug. :'(
 # First, we need to uninstall the history package so