code-gen refactorings

src/application/State/Code/UserScriptGenerator.ts

@@ -0,0 +1,31 @@
+import { CodeBuilder } from './CodeBuilder';
+import { Script } from '@/domain/Script';
+
+const adminRightsScript = {
+    name: 'Ensure admin privileges',
+    code: 'fltmc >nul 2>&1 || (\n' +
+    '   echo This batch script requires administrator privileges. Right-click on\n' +
+    '   echo the script and select "Run as administrator".\n' +
+    '   pause\n' +
+    '   exit 1\n' +
+    ')',
+};
+
+export class UserScriptGenerator {
+    public buildCode(scripts: ReadonlyArray<Script>, version: string): string {
+        if (!scripts) { throw new Error('scripts is undefined'); }
+        if (!scripts.length) { throw new Error('scripts are empty'); }
+        if (!version) { throw new Error('version is undefined'); }
+        const builder = new CodeBuilder()
+            .appendLine('@echo off')
+            .appendCommentLine(`https://privacy.sexy — v${version} — ${new Date().toUTCString()}`)
+            .appendFunction(adminRightsScript.name, adminRightsScript.code).appendLine();
+        for (const script of scripts) {
+            builder.appendFunction(script.name, script.code).appendLine();
+        }
+        return builder.appendLine()
+            .appendLine('pause')
+            .appendLine('exit /b 0')
+            .toString();
+    }
+}