Define build script arguments

ext/build.js

@@ -1,22 +1,29 @@
 const fs = require("fs-extra");
 const path = require("path");
 const { spawn } = require("child_process");
-const argv = require("minimist")(process.argv.slice(2));
+const minimist = require("minimist");
 
 
-const extensionName = "fx_cast";
-const extensionId = "fx_cast@matt.tf";
-const extensionVersion = "0.0.1";
-
+const argv = minimist(process.argv.slice(2), {
+    boolean: [ "package", "watch" ]
+  , string: [ "mirroringAppId", "mode" ]
+  , default: {
+        package: false
+      , watch: false
+      , mirroringAppId: "19A6F4AE"
+      , mode: "development"
+    }
+});
 
 if (argv.package) {
     argv.mode = "production";
     argv.watch = false;
 }
 
-// Default argument values
-const { mirroringAppId = "19A6F4AE"
-      , mode = "development" } = argv;
+
+const extensionName = "fx_cast";
+const extensionId = "fx_cast@matt.tf";
+const extensionVersion = "0.0.1";
 
 // Clean
 fs.removeSync(path.join(__dirname, "../dist/ext/"));
@@ -25,12 +32,13 @@ const child = spawn(
     `webpack --env.extensionName=${extensionName} `
           + `--env.extensionId=${extensionId} `
           + `--env.extensionVersion=${extensionVersion} `
-          + `--env.mirroringAppId=${mirroringAppId} `
-          + `--mode=${mode} `
-          + `${argv.watch ? "--watch" : ""} `
-        + `&& web-ext build --overwrite-dest `
-                         + `--source-dir ../dist/ext/unpacked `
-                         + `--artifacts-dir ../dist/ext `
+          + `--env.mirroringAppId=${argv.mirroringAppId} `
+          + `--mode=${argv.mode} `
+          + `${argv.watch ? "--watch" : ""} && `
+
+  + `web-ext build --overwrite-dest `
+                   + `--source-dir ../dist/ext/unpacked `
+                   + `--artifacts-dir ../dist/ext `
   , { shell: true }
 );