Minification - part 1 (#762)

* Minification - part 1

Creating a minified version of javascript signalr client

client-ts/Microsoft.AspNetCore.SignalR.Client.TS/gulpfile.js

@@ -1,8 +1,11 @@
-const gulp = require('gulp');
+const gulp       = require('gulp');
 const browserify = require('browserify');
-const ts = require('gulp-typescript');
-const source = require('vinyl-source-stream');
-const del = require('del');
+const ts         = require('gulp-typescript');
+const source     = require('vinyl-source-stream');
+const buffer     = require('vinyl-buffer');
+const del        = require('del');
+const rename     = require('gulp-rename');
+const babel      = require('gulp-babel');
 
 const tsProject = ts.createProject('./tsconfig.json');
 const clientOutDir = tsProject.options.outDir;
@@ -17,18 +20,25 @@ gulp.task('compile-ts-client', () => {
         .pipe(gulp.dest(clientOutDir));
 });
 
-gulp.task('browserify-client', ['compile-ts-client'], () => {
-    return browserify(clientOutDir + '/HubConnection.js', {standalone: 'signalR'})
+function browserifyModule(sourceFileName, namespace, targetFileName) {
+    const browserOutDir = clientOutDir + '/../browser';
+
+    return browserify(clientOutDir + '/' + sourceFileName, {standalone: namespace})
         .bundle()
-        .pipe(source('signalr-client.js'))
-        .pipe(gulp.dest(clientOutDir + '/../browser'));
+        .pipe(source(targetFileName))
+        .pipe(gulp.dest(browserOutDir))
+        .pipe(buffer())
+        .pipe(rename({ extname: '.min.js' }))
+        .pipe(babel({presets: ['minify']}))
+        .pipe(gulp.dest(browserOutDir));
+}
+
+gulp.task('browserify-client', ['compile-ts-client'], () => {
+    return browserifyModule('HubConnection.js', 'signalR', 'signalr-client.js');
 });
 
 gulp.task('browserify-msgpackprotocol', ['compile-ts-client'], () => {
-    return browserify(clientOutDir + '/MessagePackHubProtocol.js', {standalone: 'signalRMsgPack'})
-        .bundle()
-        .pipe(source('signalr-msgpackprotocol.js'))
-        .pipe(gulp.dest(clientOutDir + '/../browser'));
+    return browserifyModule('MessagePackHubProtocol.js', 'signalRMsgPack', 'signalr-msgpackprotocol.js');
 });
 
 gulp.task('browserify', [ 'browserify-client', 'browserify-msgpackprotocol']);

client-ts/Microsoft.AspNetCore.SignalR.Test.Server/Microsoft.AspNetCore.SignalR.Test.Server.csproj

@@ -26,8 +26,10 @@
       </ItemGroup>
       <Copy SourceFiles="@(JasmineFiles)" DestinationFolder="$(MSBuildProjectDirectory)/wwwroot/lib/jasmine" />
 
-      <Copy SourceFiles="$(MSBuildThisFileDirectory)..\dist\browser\signalr-client.js;$(MSBuildThisFileDirectory)..\dist\browser\signalr-msgpackprotocol.js"
-        DestinationFolder="$(MSBuildThisFileDirectory)wwwroot\lib\signalr" />
+      <ItemGroup>
+        <SignalRJSClientFiles Include="$(MSBuildThisFileDirectory)..\dist\browser\*" />
+      </ItemGroup>
+      <Copy SourceFiles="@(SignalRJSClientFiles)" DestinationFolder="$(MSBuildThisFileDirectory)wwwroot\lib\signalr" />
   </Target>
 
 </Project>

client-ts/Microsoft.AspNetCore.SignalR.Test.Server/wwwroot/connectionTests.html

@@ -8,8 +8,8 @@
     <script type="text/javascript" src="lib/jasmine/jasmine.js"></script>
     <script type="text/javascript" src="lib/jasmine/jasmine-html.js"></script>
     <script type="text/javascript" src="lib/jasmine/boot.js"></script>
-    <script type="text/javascript" src="lib/signalr/signalr-client.js"></script>
-    <script type="text/javascript" src="lib/signalr/signalr-msgpackprotocol.js"></script>
+    <script type="text/javascript" src="lib/signalr/signalr-client.min.js"></script>
+    <script type="text/javascript" src="lib/signalr/signalr-msgpackprotocol.min.js"></script>
     <script src="js/common.js"></script>
     <script src="js/webSocketTests.js"></script>
     <script src="js/connectionTests.js"></script>

client-ts/package.json

@@ -24,13 +24,19 @@
   "homepage": "https://github.com/aspnet/SignalR#readme",
   "devDependencies": {
     "@types/msgpack5": "^3.4.0",
+    "babel-minify": "^0.2.0",
     "browserify": "^13.1.1",
+    "buffer": "^5.0.7",
     "del": "^2.2.2",
     "gulp": "^3.9.1",
+    "gulp-babel": "^7.0.0",
+    "gulp-rename": "^1.2.2",
     "gulp-typescript": "^3.1.3",
     "jasmine": "^2.5.2",
+    "lodash": "^4.17.4",
     "msgpack5": "^3.5.0",
     "typescript": "^2.0.10",
+    "vinyl-buffer": "^1.0.0",
     "vinyl-source-stream": "^1.1.0"
   }
 }