Re-write app build, created macOS installer package

ext/build.js

@@ -1,11 +1,19 @@
-const { spawn } = require('child_process');
-const argv = require('minimist')(process.argv.slice(2));
+const fs = require("fs-extra");
+const path = require("path");
+const { spawn } = require("child_process");
+const argv = require("minimist")(process.argv.slice(2));
 
 
 const extensionName = "fx_cast";
 const extensionId = "fx_cast@matt.tf";
 const extensionVersion = "0.0.1";
 
+
+if (argv.package) {
+    argv.mode = "production";
+    argv.watch = false;
+}
+
 // Default argument values
 const { mirroringAppId = "19A6F4AE"
       , mode = "development" } = argv;
@@ -18,12 +26,16 @@ const child = spawn(
           + `--mode=${mode} `
           + `${argv.watch ? "--watch" : ""} `
         + `&& web-ext build --overwrite-dest `
-                         + `--source-dir ../dist/ext `
+                         + `--source-dir ../dist/ext/unpacked `
                          + `--artifacts-dir ../dist/ext `
-  , {
-        shell: true
-    }
+  , { shell: true }
 );
 
 child.stdout.pipe(process.stdout);
 child.stderr.pipe(process.stderr);
+
+child.on("exit", () => {
+    if (argv.package) {
+        fs.remove(path.join(__dirname, "../dist/ext/unpacked"));   
+    }
+});

ext/package-lock.json

@@ -4373,6 +4373,17 @@
                     "requires": {
                         "lodash": "^4.14.0"
                     }
+                },
+                "fs-extra": {
+                    "version": "4.0.3",
+                    "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-4.0.3.tgz",
+                    "integrity": "sha512-q6rbdDd1o2mAnQreO7YADIxf/Whx4AHBiRf6d+/cVT8h44ss+lHgxf1FemcqDnQt9X3ct4McHr+JMGlYSsK7Cg==",
+                    "dev": true,
+                    "requires": {
+                        "graceful-fs": "^4.1.2",
+                        "jsonfile": "^4.0.0",
+                        "universalify": "^0.1.0"
+                    }
                 }
             }
         },
@@ -4477,9 +4488,9 @@
             "dev": true
         },
         "fs-extra": {
-            "version": "4.0.3",
-            "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-4.0.3.tgz",
-            "integrity": "sha512-q6rbdDd1o2mAnQreO7YADIxf/Whx4AHBiRf6d+/cVT8h44ss+lHgxf1FemcqDnQt9X3ct4McHr+JMGlYSsK7Cg==",
+            "version": "7.0.1",
+            "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
+            "integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
             "dev": true,
             "requires": {
                 "graceful-fs": "^4.1.2",

ext/package.json

@@ -1,6 +1,7 @@
 {
     "scripts": {
         "build": "node build.js",
+        "package": "node build.js --package",
         "watch": "node build.js --watch"
     },
     "devDependencies": {
@@ -12,6 +13,7 @@
         "@babel/preset-react": "^7.0.0",
         "babel-loader": "^8.0.4",
         "copy-webpack-plugin": "^4.3.1",
+        "fs-extra": "^7.0.1",
         "minimist": "^1.2.0",
         "react": "^16.6.1",
         "react-dom": "^16.6.1",

ext/webpack.config.js

@@ -6,7 +6,7 @@ const CopyWebpackPlugin = require("copy-webpack-plugin");
 
 
 const includePath = path.resolve(__dirname, "src");
-const outputPath  = path.resolve(__dirname, "../dist/ext/");
+const outputPath  = path.resolve(__dirname, "../dist/ext/unpacked");
 
 module.exports = (env) => ({
     entry: {