Add build configuration for VSCode and frontend build script

.vscode/tasks.json

@@ -0,0 +1,25 @@
+{
+  // See https://go.microsoft.com/fwlink/?LinkId=733558 
+  // for the documentation about the tasks.json format
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "Build with script",
+      "type": "shell",
+      "command": "./build.sh",
+      "presentation": {
+        "reveal": "always"
+      },
+      "options": {
+        "cwd": "./frontend",
+        "env": {
+          "SERVER_PATH": "http://localhost:1971/live"
+        }
+      },
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      }
+    }
+  ]
+}

frontend/.gitignore

@@ -1,2 +1,3 @@
 node_modules
 build
+dist.tgz

frontend/build.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+set -eux
+set -o pipefail
+
+case "$OSTYPE" in
+    darwin*)  PLATFORM="OSX" ;;
+    linux*)   PLATFORM="LINUX" ;;
+    bsd*)     PLATFORM="BSD" ;;
+    *)        PLATFORM="UNKNOWN" ;;
+esac
+
+replace() {
+    if [[ "${PLATFORM}" == "OSX" || "${PLATFORM}" == "BSD" ]]; then
+        sed -i "" "$1" "$2"
+    elif [ "${PLATFORM}" == "LINUX" ]; then
+        sed -i "$1" "$2"
+    fi
+}
+
+tsc
+replace "s#<%= SERVER_PATH %>#${SERVER_PATH}#g" build/*.js
+tar -czvf dist.tgz index.html assets/ build/