Replace ui/scripts/create_versions.sh with js script

ui/package.json

@@ -9,7 +9,7 @@
     "start": "npm run webpack-start",
     "build-static": "node scripts/environment.js $RELEASE_NAME && node scripts/generateManuals.js && bash scripts/legal_md_to_html.sh",
     "webpack-start": "npm run build-static && webpack serve",
-    "build": "rm -rf dist/* && npm run build-static && rollup --environment mode:production -c && bash scripts/create_versions.sh; find dist -type l -exec rm {} +",
+    "build": "rm -rf dist/* && npm run build-static && rollup --environment mode:production -c && node scripts/extract_versions.js; find dist -type l -exec rm {} +",
     "check": "npm run check-main && npm run check-ut",
     "check-main": "tsc src/index.ts --noEmit --allowJs --skipLibCheck --target es2020 --moduleResolution node",
     "check-ut": "tsc src/test/*.ts src/test/*.js  --noEmit --allowJs --skipLibCheck --esModuleInterop true --target es2020 --moduleResolution node",

ui/scripts/extract_versions.js

@@ -0,0 +1,30 @@
+import {readFileSync, writeFileSync} from 'node:fs';
+import * as path from 'node:path';
+
+import * as util from 'node:util';
+import {exec as execSync} from 'node:child_process';
+const exec = util.promisify(execSync);
+
+const cesiumPackagePath = path.resolve(import.meta.dirname, '../node_modules/cesium/package.json');
+const cesiumPackageString = readFileSync(cesiumPackagePath, 'utf-8');
+const cesiumVersion = JSON.parse(cesiumPackageString).version;
+
+const commitHash = (await exec('git rev-list HEAD -1')).stdout.trim();
+
+const now = new Date();
+const date = new Intl.DateTimeFormat('en-CA', {
+  year: 'numeric',
+  month: '2-digit',
+  day: '2-digit',
+  hour: '2-digit',
+  minute: '2-digit',
+  timeZoneName: 'longOffset',
+  hourCycle: 'h23'
+}).format(now).replace(', ', 'T').replace(' GMT', '');
+
+const versionsFilePath = path.resolve(import.meta.dirname, '../dist/versions.json');
+writeFileSync(versionsFilePath, JSON.stringify({
+  build: date,
+  commit_hash: commitHash,
+  cesium: cesiumVersion,
+}, null, 2));