Split build step in two scripts

scripts/prepare-build.sh

@@ -0,0 +1,53 @@
+#! /usr/bin/env bash
+
+echo "Starting prepare-build"
+# The build script; we build the application step by step as building everything at once takes too much RAM
+# Should be run from the repository root
+# This is the main deployment script
+rm -rf dist/*
+rm -rf .cache
+mkdir dist 2> /dev/null
+mkdir dist/assets 2> /dev/null
+
+
+export NODE_OPTIONS="--max-old-space-size=16384"
+
+# This script ends every line with '&&' to chain everything. A failure will thus stop the build
+npm run generate:editor-layer-index &&
+npm run prep:layeroverview &&
+npm run generate && # includes a single "refresh:layeroverview". Resetting the files is unnecessary as they are not in there in the first place
+npm run refresh:layeroverview && # run refresh:layeroverview a second time to propagate all calls
+npm run refresh:layeroverview && # run refresh:layeroverview a third time to fix some issues with the favourite layer all calls
+
+npm run generate:layouts
+
+if [ $? -ne 0 ]; then
+    echo "ERROR - stopping the build"
+    exit 1
+fi
+
+
+
+BRANCH=`git rev-parse --abbrev-ref HEAD`
+echo "The branch name is $BRANCH"
+
+if [ $BRANCH = "master" ] || [ $BRANCH = "develop" ]
+then
+    ASSET_URL="./"
+    export ASSET_URL
+    echo "$ASSET_URL"
+else
+  # ASSET_URL="$BRANCH"
+  ASSET_URL="./"
+  export ASSET_URL
+  echo "$ASSET_URL"
+fi
+
+# sanity check
+if [[ -f "bookcases.html" ]]
+then
+  echo "Bookcases exists"
+else
+  echo "Bookcases.html does not exist - aborting"
+  exit 1
+fi