refactor: move version print to own service module

src/commands/version.ts

@@ -1,76 +1,5 @@
-import {isEmptyString} from '@dfinity/utils';
-import {green} from 'kleur';
-import {version as cliCurrentVersion} from '../../package.json';
-import {githubCliLastRelease, githubJunoDockerLastRelease} from '../rest/github.rest';
-import {findEmulatorVersion} from '../services/emulator/version.services';
-import {
-  buildVersionFromGitHub,
-  checkVersion,
-  type CheckVersionResult
-} from '../services/version/version.services';
-import {pmInstallHint} from '../utils/pm.utils';
+import {printVersion} from '../services/version/version.print.services';
 
-export const version = async () => {
-  const check = await cliVersion();
-
-  if (check.diff === 'error') {
-    return;
-  }
-
-  await emulatorVersion();
-};
-
-const cliVersion = async (): Promise<CheckVersionResult> => {
-  const result = await buildVersionFromGitHub({
-    logReleaseOnError: () => 'CLI',
-    releaseFn: githubCliLastRelease
-  });
-
-  if (result.result === 'error') {
-    return {diff: 'error'};
-  }
-
-  const {latestVersion} = result;
-
-  return checkVersion({
-    currentVersion: cliCurrentVersion,
-    latestVersion,
-    displayHint: 'CLI',
-    commandLineHint: pmInstallHint()
-  });
-};
-
-const emulatorVersion = async () => {
-  const emulatorResult = await findEmulatorVersion();
-
-  if (emulatorResult.status !== 'success') {
-    return;
-  }
-
-  const {version: emulatorCurrentVersion} = emulatorResult;
-
-  const result = await buildVersionFromGitHub({
-    logReleaseOnError: () => 'Juno Docker',
-    releaseFn: githubJunoDockerLastRelease
-  });
-
-  if (result.result === 'error') {
-    return;
-  }
-
-  const {latestVersion} = result;
-
-  // Images prior to v0.6.3 lacked proper metadata in org.opencontainers.image.version.
-  // Earlier releases contained invalid values such as "0-arm64", while v0.6.2 returned an empty string.
-  // Note: sanitizing the version read via docker/podman inspect causes these cases to resolve to null.
-  if (isEmptyString(emulatorCurrentVersion)) {
-    console.log(`Your Emulator is behind the latest version (${green(`v${latestVersion}`)}).`);
-    return;
-  }
-
-  checkVersion({
-    currentVersion: emulatorCurrentVersion,
-    latestVersion,
-    displayHint: 'Emulator'
-  });
+export const logVersion = async () => {
+  await printVersion();
 };

src/index.ts

@@ -18,7 +18,7 @@ import {helpSnapshot, snapshot} from './commands/snapshot';
 import {startStop} from './commands/start-stop';
 import {status} from './commands/status';
 import {upgrade} from './commands/upgrade';
-import {version as versionCommand} from './commands/version';
+import {logVersion} from './commands/version';
 import {whoami} from './commands/whoami';
 import {help} from './help/help';
 import {logHelpLogin} from './help/login.help';
@@ -55,7 +55,7 @@ export const run = async () => {
 
   // Special use case if dev runs "juno --version"
   if (['-v', '--version'].includes(cmd)) {
-    await versionCommand();
+    await logVersion();
     return;
   }
 
@@ -149,7 +149,7 @@ export const run = async () => {
       await clear();
       break;
     case 'version':
-      await versionCommand();
+      await logVersion();
       break;
     case 'status':
       await status();

src/services/version/version.print.services.ts

@@ -0,0 +1,72 @@
+import {isEmptyString} from '@dfinity/utils';
+import {green} from 'kleur';
+import {version as cliCurrentVersion} from '../../../package.json';
+import {githubCliLastRelease, githubJunoDockerLastRelease} from '../../rest/github.rest';
+import {pmInstallHint} from '../../utils/pm.utils';
+import {findEmulatorVersion} from '../emulator/version.services';
+import {buildVersionFromGitHub, checkVersion, type CheckVersionResult} from './version.services';
+
+export const printVersion = async () => {
+  const check = await cliVersion();
+
+  if (check.diff === 'error') {
+    return;
+  }
+
+  await emulatorVersion();
+};
+
+const cliVersion = async (): Promise<CheckVersionResult> => {
+  const result = await buildVersionFromGitHub({
+    logReleaseOnError: () => 'CLI',
+    releaseFn: githubCliLastRelease
+  });
+
+  if (result.result === 'error') {
+    return {diff: 'error'};
+  }
+
+  const {latestVersion} = result;
+
+  return checkVersion({
+    currentVersion: cliCurrentVersion,
+    latestVersion,
+    displayHint: 'CLI',
+    commandLineHint: pmInstallHint()
+  });
+};
+
+const emulatorVersion = async () => {
+  const emulatorResult = await findEmulatorVersion();
+
+  if (emulatorResult.status !== 'success') {
+    return;
+  }
+
+  const {version: emulatorCurrentVersion} = emulatorResult;
+
+  const result = await buildVersionFromGitHub({
+    logReleaseOnError: () => 'Juno Docker',
+    releaseFn: githubJunoDockerLastRelease
+  });
+
+  if (result.result === 'error') {
+    return;
+  }
+
+  const {latestVersion} = result;
+
+  // Images prior to v0.6.3 lacked proper metadata in org.opencontainers.image.version.
+  // Earlier releases contained invalid values such as "0-arm64", while v0.6.2 returned an empty string.
+  // Note: sanitizing the version read via docker/podman inspect causes these cases to resolve to null.
+  if (isEmptyString(emulatorCurrentVersion)) {
+    console.log(`Your Emulator is behind the latest version (${green(`v${latestVersion}`)}).`);
+    return;
+  }
+
+  checkVersion({
+    currentVersion: emulatorCurrentVersion,
+    latestVersion,
+    displayHint: 'Emulator'
+  });
+};