Missed PR mirrors from tgstation (https://github.com/tgstation/tgstation/pull/55373 and https://github.com/tgstation/tgstation/pull/56080) (#2759)

* Mirror of tgstation's Common Build Tooling (#55373)

* tgui 4.3 (#56080)

Co-authored-by: Aleksej Komarov <stylemistake@gmail.com>

tools/build/build.js

@@ -0,0 +1,80 @@
+#!/usr/bin/env node
+/**
+ * @file
+ * @copyright 2020 Aleksej Komarov
+ * @license MIT
+ */
+
+const { resolve: resolvePath } = require('path');
+const { resolveGlob } = require('./cbt/fs');
+const { exec } = require('./cbt/process');
+const { Task, runTasks } = require('./cbt/task');
+const { regQuery } = require('./cbt/winreg');
+
+// Change working directory to project root
+process.chdir(resolvePath(__dirname, '../../'));
+
+const taskTgui = new Task('tgui')
+  .depends('tgui/.yarn/releases/*')
+  .depends('tgui/yarn.lock')
+  .depends('tgui/webpack.config.js')
+  .depends('tgui/**/package.json')
+  .depends('tgui/packages/**/*.js')
+  .depends('tgui/packages/**/*.jsx')
+  .provides('tgui/public/*.bundle.*')
+  .provides('tgui/public/*.chunk.*')
+  .build(async () => {
+    // Instead of calling `tgui/bin/tgui`, we reproduce the whole pipeline
+    // here for maximum compilation speed.
+    const yarnRelease = resolveGlob('./tgui/.yarn/releases/yarn-*.cjs')[0]
+      .replace('/tgui/', '/');
+    const yarn = args => exec('node', [yarnRelease, ...args], {
+      cwd: './tgui',
+    });
+    await yarn(['install']);
+    await yarn(['run', 'webpack-cli', '--mode=production']);
+  });
+
+const taskDm = new Task('dm')
+  .depends('code/**')
+  .depends('goon/**')
+  .depends('html/**')
+  .depends('interface/**')
+  .depends('tgui/public/tgui.html')
+  .depends('tgui/public/*.bundle.*')
+  .depends('tgui/public/*.chunk.*')
+  .depends('tgstation.dme')
+  .provides('tgstation.dmb')
+  .provides('tgstation.rsc')
+  .build(async () => {
+    let compiler = 'dm';
+    // Let's do some registry queries on Windows, because dm is not in PATH.
+    if (process.platform === 'win32') {
+      const installPath = (
+        await regQuery(
+          'HKLM\\Software\\Dantom\\BYOND',
+          'installpath')
+        || await regQuery(
+          'HKLM\\SOFTWARE\\WOW6432Node\\Dantom\\BYOND',
+          'installpath')
+      );
+      if (installPath) {
+        compiler = resolvePath(installPath, 'bin/dm.exe');
+      }
+    } else {
+      compiler = 'DreamMaker';
+    }
+    await exec(compiler, ['tgstation.dme']);
+  });
+
+// Frontend
+const tasksToRun = [
+  taskTgui,
+  taskDm,
+];
+
+if (process.env['TG_BUILD_TGS_MODE']) {
+  tasksToRun.pop();
+}
+
+runTasks(tasksToRun);