Add basic browser build

lib/browser-express.js

@@ -0,0 +1,7 @@
+module.exports = browserExpress;
+
+function browserExpress() {
+  return {};
+}
+
+browserExpress.errorHandler = {};

lib/loopback.js

@@ -8,7 +8,6 @@ var express = require('express')
   , EventEmitter = require('events').EventEmitter
   , path = require('path')
   , proto = require('./application')
-  , utils = require('express/node_modules/connect').utils
   , DataSource = require('loopback-datasource-juggler').DataSource
   , ModelBuilder = require('loopback-datasource-juggler').ModelBuilder
   , assert = require('assert')
@@ -55,7 +54,7 @@ loopback.compat = require('./compat');
 function createApplication() {
   var app = express();
 
-  utils.merge(app, proto);
+  merge(app, proto);
 
   return app;
 }
@@ -75,16 +74,20 @@ for (var key in express) {
 /*!
  * Expose additional loopback middleware
  * for example `loopback.configure` etc.
+ *
+ * ***only in node***
  */
 
-fs
-  .readdirSync(path.join(__dirname, 'middleware'))
-  .filter(function (file) {
-    return file.match(/\.js$/);
-  })
-  .forEach(function (m) {
-    loopback[m.replace(/\.js$/, '')] = require('./middleware/' + m);
-  });
+if (typeof window === 'undefined') {
+  fs
+    .readdirSync(path.join(__dirname, 'middleware'))
+    .filter(function (file) {
+      return file.match(/\.js$/);
+    })
+    .forEach(function (m) {
+      loopback[m.replace(/\.js$/, '')] = require('./middleware/' + m);
+    });
+}
 
 /*!
  * Error handler title
@@ -284,6 +287,15 @@ loopback.autoAttachModel = function(ModelCtor) {
   }
 }
 
+function merge(a, b){
+  if (a && b) {
+    for (var key in b) {
+      a[key] = b[key];
+    }
+  }
+  return a;
+}
+
 /*
  * Built in models / services
  */

package.json

@@ -11,7 +11,11 @@
   ],
   "version": "1.6.1",
   "scripts": {
-    "test": "mocha -R spec"
+    "test": "mocha -R spec",
+    "build-js": "mkdir -p dist && ./node_modules/.bin/browserify index.js -s loopback -o dist/loopback.js --ignore passport --ignore ./lib-cov/express --ignore ./lib-cov/connect --ignore nodemailer",
+    "watch-js": "mkdir -p dist && ./node_modules/.bin/watchify index.js -s loopback -o dist/loopback.js",
+    "uglify": "./node_modules/.bin/uglifyjs dist/loopback.js -mc > dist/loopback.min.js",
+    "build": "npm run build-js && npm run uglify"
   },
   "dependencies": {
     "debug": "~0.7.2",
@@ -38,11 +42,21 @@
     "strong-task-emitter": "0.0.x",
     "supertest": "~0.8.1",
     "chai": "~1.8.1",
-    "loopback-testing": "~0.1.0"
+    "loopback-testing": "~0.1.0",
+    "watchify": "~0.4.1",
+    "uglify-js": "~2.4.6",
+    "jshint": "~2.3.0",
+    "browserify": "~3.14.1"
   },
   "repository": {
     "type": "git",
     "url": "https://github.com/strongloop/loopback"
   },
-  "license": "MIT"
+  "license": "MIT",
+  "browser": {
+    "express": "./lib/browser-express.js",
+    "connect": false,
+    "passport": false,
+    "passport-local": false
+  }
 }