migrate to "export default"

also, set no-use-before-define in linter

src/backups.js

@@ -1,6 +1,6 @@
 import assert from 'node:assert';
 import BoxError from './boxerror.js';
-import * as database from './database.js';
+import database from './database.js';
 import debugModule from 'debug';
 import eventlog from './eventlog.js';
 import hat from './hat.js';
@@ -12,33 +12,6 @@ const debug = debugModule('box:backups');
 const BACKUP_TYPE_APP = 'app';
 const BACKUP_STATE_NORMAL = 'normal';
 
-export default {
-    get,
-    getByIdentifierAndStatePaged,
-    getLatestInTargetByIdentifier, // brutal function name
-    add,
-    update,
-    listByTypePaged,
-    del,
-
-    removePrivateFields,
-
-    clearTasks,
-    startIntegrityCheck,
-    stopIntegrityCheck,
-    setIntegrityResult,
-
-    BACKUP_IDENTIFIER_BOX: 'box',
-    BACKUP_IDENTIFIER_MAIL: 'mail',
-
-    BACKUP_TYPE_APP,
-    BACKUP_TYPE_BOX: 'box',
-    BACKUP_TYPE_MAIL: 'mail',
-
-    BACKUP_STATE_NORMAL,
-    BACKUP_STATE_CREATING: 'creating',
-    BACKUP_STATE_ERROR: 'error',
-};
 
 const BACKUPS_FIELDS = [ 'id', 'remotePath', 'label', 'identifier', 'creationTime', 'packageVersion', 'type', 'integrityJson',
     'statsJson', 'dependsOnJson', 'state', 'manifestJson', 'preserveSecs', 'encryptionVersion', 'appConfigJson', 'siteId',
@@ -254,3 +227,31 @@ async function stopIntegrityCheck(backup, auditSource) {
 async function clearTasks() {
     await database.query('UPDATE backups SET integrityCheckTaskId = NULL');
 }
+
+export default {
+    get,
+    getByIdentifierAndStatePaged,
+    getLatestInTargetByIdentifier, // brutal function name
+    add,
+    update,
+    listByTypePaged,
+    del,
+
+    removePrivateFields,
+
+    clearTasks,
+    startIntegrityCheck,
+    stopIntegrityCheck,
+    setIntegrityResult,
+
+    BACKUP_IDENTIFIER_BOX: 'box',
+    BACKUP_IDENTIFIER_MAIL: 'mail',
+
+    BACKUP_TYPE_APP,
+    BACKUP_TYPE_BOX: 'box',
+    BACKUP_TYPE_MAIL: 'mail',
+
+    BACKUP_STATE_NORMAL,
+    BACKUP_STATE_CREATING: 'creating',
+    BACKUP_STATE_ERROR: 'error',
+};