Gulp webpack process changes

Gulp now builds the viewer (or any other webpack module) and stores in in different directories and modes (minified, max etc')

Tools/Gulp/config.json

@@ -1651,7 +1651,29 @@
         ],
         "build": {
             "srcOutputDirectory": "../../Viewer/",
-            "distOutputDirectory": "/viewer/"
+            "outputs": [
+                {
+                    "destination": [
+                        {
+                            "filename": "viewer.min.js",
+                            "outputDirectory": "../../Viewer/dist/"
+                        },
+                        {
+                            "filename": "babylon.viewer.js",
+                            "outputDirectory": "/viewer/"
+                        }
+                    ],
+                    "minified": true
+                },
+                {
+                    "destination": [
+                        {
+                            "filename": "viewer.js",
+                            "outputDirectory": "../../Viewer/dist/"
+                        }
+                    ]
+                }
+            ]
         }
     }
 }

Tools/Gulp/gulpfile.js

@@ -426,14 +426,39 @@ var buildExternalLibrary = function (library, settings, watch) {
         }
 
         if (library.webpack) {
-            return waitAll.on("end", function () {
-                return webpack(require(library.webpack))
-                    .pipe(rename(library.output.replace(".js", library.noBundleInName ? '.js' : ".bundle.js")))
-                    .pipe(addModuleExports(library.moduleDeclaration, false, false, true))
-                    .pipe(uglify())
-                    .pipe(optimisejs())
-                    .pipe(gulp.dest(outputDirectory))
-            });
+            let sequence = [waitAll];
+            let wpBuild = webpack(require(library.webpack));
+            if (settings.build.outputs) {
+                let build = wpBuild
+                    .pipe(addModuleExports(library.moduleDeclaration, false, false, true));
+
+                settings.build.outputs.forEach(out => {
+                    let outBuild = build;
+                    if (out.minified) {
+                        outBuild = build
+                            .pipe(uglify())
+                            .pipe(optimisejs())
+                    }
+
+                    out.destination.forEach(dest => {
+                        let destBuild = outBuild
+                            .pipe(rename(dest.filename.replace(".js", library.noBundleInName ? '.js' : ".bundle.js")))
+                            .pipe(gulp.dest(dest.outputDirectory));
+                        sequence.push(destBuild);
+                    });
+                })
+            } else {
+                sequence.push(
+                    wpBuild
+                        .pipe(rename(library.output.replace(".js", library.noBundleInName ? '.js' : ".bundle.js")))
+                        .pipe(addModuleExports(library.moduleDeclaration, false, false, true))
+                        .pipe(uglify())
+                        .pipe(optimisejs())
+                        .pipe(gulp.dest(outputDirectory))
+                )
+            }
+
+            return merge2(sequence);
         }
         else {
             return waitAll;
@@ -911,14 +936,14 @@ gulp.task("tests-unit-transpile", function (done) {
 
     var tsResult = gulp.src("../../tests/unit/**/*.ts", { base: "../../" })
         .pipe(tsProject());
-    
+
     tsResult.once("error", function () {
         tsResult.once("finish", function () {
             console.log("Typescript compile failed");
             process.exit(1);
         });
     });
- 
+
     return tsResult.js.pipe(gulp.dest("../../"));
 });
 
@@ -951,7 +976,7 @@ gulp.task("tests-unit", ["tests-unit-transpile"], function (done) {
     server.start();
 });
 
-gulp.task("tests-whatsnew", function(done) {
+gulp.task("tests-whatsnew", function (done) {
     // Only checks on Travis
     if (!process.env.TRAVIS) {
         done();
@@ -980,12 +1005,12 @@ gulp.task("tests-whatsnew", function(done) {
             oldData += data;
         });
         res.on("end", () => {
-            fs.readFile("../../dist/preview release/what's new.md", "utf-8", function(err, newData) {
+            fs.readFile("../../dist/preview release/what's new.md", "utf-8", function (err, newData) {
                 if (err || oldData != newData) {
                     done();
                     return;
                 }
-                
+
                 console.error("What's new file did not change.");
                 process.exit(1);
             });