feat: Show the build date on the loading banner of unreleased builds (#2659)

scripts/build-defines.js

@@ -1,6 +1,8 @@
 import { execFileSync } from 'node:child_process';
 import { readFileSync } from 'node:fs';
 
+import { BUILD_DATE_PLACEHOLDER } from './build-date-plugin.js';
+
 /**
  * Asks git something or gives back nothing when it cannot be asked.
  */
@@ -23,7 +25,11 @@ const getPackageVersion = () =>
  *
  * `releaseVersion` is the version being released, which only the release
  * workflow knows; a build without one reports the version in `package.json`, or
- * a development build the commit it was made from.
+ * a development build the commit it was made from. Its presence is what makes a
+ * build a released one.
+ *
+ * The build date is a placeholder here, written in for by the `buildDate`
+ * plugin as each build's output is generated.
  *
  * The values are JSON so that a bundler can drop them in as written.
  */
@@ -35,10 +41,11 @@ export const getBuildDefines = ({ dev, releaseVersion }) => {
     __ADVANCED_CAMERA_CARD_RELEASE_VERSION__: JSON.stringify(
       releaseVersion ?? (dev ? developmentVersion : getPackageVersion()),
     ),
+    __ADVANCED_CAMERA_CARD_IS_RELEASE_BUILD__: JSON.stringify(!!releaseVersion),
     __ADVANCED_CAMERA_CARD_GIT_HASH__: JSON.stringify(gitHash),
     __ADVANCED_CAMERA_CARD_GIT_DATE__: JSON.stringify(
       askGit('log', '-1', '--format=%cI'),
     ),
-    __ADVANCED_CAMERA_CARD_BUILD_DATE__: JSON.stringify(new Date().toISOString()),
+    __ADVANCED_CAMERA_CARD_BUILD_DATE__: JSON.stringify(BUILD_DATE_PLACEHOLDER),
   };
 };