migrate to typescript

src/lib/version.ts

@@ -0,0 +1,42 @@
+export function isProduction(): boolean {
+    return __EZBOOKKEEPING_IS_PRODUCTION__;
+}
+
+export function getVersion(): string {
+    const isRelease = !getBuildTime();
+    const commitHash = __EZBOOKKEEPING_BUILD_COMMIT_HASH__;
+    let version = __EZBOOKKEEPING_VERSION__;
+
+    if (version && (!isRelease || !isProduction())) {
+        version += '-dev';
+    }
+
+    if (!version) {
+        version = 'unknown';
+    }
+
+    if (commitHash) {
+        version += ` (${commitHash.substring(0, Math.min(7, commitHash.length))})`;
+    }
+
+    return version;
+}
+
+export function getBuildTime(): string {
+    return __EZBOOKKEEPING_BUILD_UNIX_TIME__;
+}
+
+export function getMobileVersionPath(): string {
+    if (isProduction()) {
+        return '../mobile';
+    } else {
+        return 'mobile.html';
+    }
+}
+export function getDesktopVersionPath(): string {
+    if (isProduction()) {
+        return '../desktop';
+    } else {
+        return 'desktop.html';
+    }
+}