fix(build): test example directories with unit and e2e tests (#11296)

modules/@angular/examples/build.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+#
+# This script is used to compile and copy the contents for each of
+# example directories over to the dist/examples directory so that they
+# can be tested with karma and protractor. The `gulp serve-examples` command
+# can be used to run each of the examples in isolation via http as well.
+#
+
+cd `dirname $0`
+
+DIST="../../../dist/examples";
+rm -rf -- $DIST
+$(npm bin)/tsc -p .
+
+mkdir $DIST/vendor/
+
+ln -s ../../../dist/packages-dist/ $DIST/vendor/@angular
+
+for FILE in \
+    ../../../node_modules/zone.js/dist/zone.js \
+    ../../../node_modules/systemjs/dist/system.js \
+    ../../../node_modules/reflect-metadata/Reflect.js \
+    ../../../node_modules/rxjs
+do
+  ln -s $FILE $DIST/vendor/`basename $FILE`
+done
+
+for MODULE in `find . -name module.ts`; do
+  FINAL_DIR_PATH=$DIST/`dirname $MODULE`
+
+  echo "==== $MODULE"
+  cp _common/*.html $FINAL_DIR_PATH
+  cp $DIST/_common/*.js $FINAL_DIR_PATH
+  cp $DIST/_common/*.js.map $FINAL_DIR_PATH
+done