Diff for https://stackoverflow.com/questions/47333838/react-babel-uncaught-typeerror-cannot-call-a-class-as-a-function

tasks.js.diff

diff --git a/tasks/js.js b/tasks/js.js
index 0caabc1..7c5319d 100644
--- a/tasks/js.js
+++ b/tasks/js.js
@@ -70,7 +70,10 @@ gulp.task('js', () => {
                name: 'app',
                plugins: [
                        plugins.rollupPluginReplace({'process.env.NODE_ENV': JSON.stringify( 'development' )}),
-                       plugins.rollupPluginJsx({ factory: 'React.createElement' }),
+                       plugins.rollupPluginBabel({
+                               exclude: 'node_modules/**',
+                               presets: [['es2015', { modules: false }], 'react']
+                       }),
                        plugins.rollupPluginCommonjs({}),
                        plugins.rollupPluginNodeResolve({ jsnext: true, main: true }),
                        plugins.rollupPluginIncludepaths({ paths: [paths.dev + '/script/'] })
@@ -93,8 +96,6 @@ gulp.task('js', () => {
                .pipe(plugins.vinylSourceStream('app.js', paths.dev + '/script/'))
                .pipe(plugins.vinylBuffer())
                .pipe(plugins.sourcemaps.init({ loadMaps: true }))
-               // Convert ES6
-               .pipe(plugins.babel({ presets: ['es2015', 'react'] }))
                // Write sourcemap
                .pipe(plugins.sourcemaps.write('.'))
                .pipe(gulp.dest(paths.tmp + '/script/'))