chore(build): add experimental Dart build that uses DDC for code analysis

scripts/ci/build_and_test.sh

@@ -8,6 +8,11 @@ echo ===========================================================================
 SCRIPT_DIR=$(dirname $0)
 cd $SCRIPT_DIR/../..
 
-${SCRIPT_DIR}/build_$MODE.sh
-mkdir deploy; tar -czpf deploy/dist.tgz -C dist .
-${SCRIPT_DIR}/test_$MODE.sh
+if [ "$MODE" = "dart_experimental" ]
+then
+  ${SCRIPT_DIR}/build_$MODE.sh
+else
+  ${SCRIPT_DIR}/build_$MODE.sh
+  mkdir deploy; tar -czpf deploy/dist.tgz -C dist .
+  ${SCRIPT_DIR}/test_$MODE.sh
+fi

scripts/ci/build_dart_experimental.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -e
+
+echo =============================================================================
+echo EXPERIMENTAL DART BUILD
+echo =============================================================================
+
+# go to project dir
+SCRIPT_DIR=$(dirname $0)
+source $SCRIPT_DIR/env_dart.sh
+cd $SCRIPT_DIR/../..
+
+./node_modules/.bin/gulp build/packages.dart
+./node_modules/.bin/gulp build/pubspec.dart
+./node_modules/.bin/gulp build/analyze.ddc.dart

scripts/ci/env_dart.sh

@@ -70,7 +70,9 @@ if [[ -z $ENV_SET ]]; then
   export DARTSDK
   export DART
   export PUB=${PUB:-"$DART_SDK/bin/pub"}
-  export PUB_CACHE=$DART_SDK/pub-cache
+  if [ -z "$PUB_CACHE" ]; then
+    export PUB_CACHE=$DART_SDK/pub-cache
+  fi
   export DARTANALYZER=${DARTANALYZER:-"$DART_SDK/bin/dartanalyzer"}
   export DARTDOC=${DARTDOC:-"$DART_SDK/bin/dartdoc"}
   export DART_DOCGEN=${DART_DOCGEN:-"$DART_SDK/bin/docgen"}