Support for alpha build channel

ts/util/version.ts

@@ -2,6 +2,37 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import * as semver from 'semver';
+import moment from 'moment';
+
+export const isProduction = (version: string): boolean => {
+  const parsed = semver.parse(version);
+
+  if (!parsed) {
+    return false;
+  }
+
+  return !parsed.prerelease.length && !parsed.build.length;
+};
 
 export const isBeta = (version: string): boolean =>
   semver.parse(version)?.prerelease[0] === 'beta';
+
+export const isAlpha = (version: string): boolean =>
+  semver.parse(version)?.prerelease[0] === 'alpha';
+
+export const generateAlphaVersion = (options: {
+  currentVersion: string;
+  shortSha: string;
+}): string => {
+  const { currentVersion, shortSha } = options;
+
+  const parsed = semver.parse(currentVersion);
+  if (!parsed) {
+    throw new Error(`generateAlphaVersion: Invalid version ${currentVersion}`);
+  }
+
+  const formattedDate = moment().utc().format('YYYYMMDD.HH');
+  const formattedVersion = `${parsed.major}.${parsed.minor}.${parsed.patch}`;
+
+  return `${formattedVersion}-alpha.${formattedDate}-${shortSha}`;
+};