fix: ETA being sometimes erratic

Author: rombat

lib/handlers/MBNDSynchronizer.js

@@ -203,7 +203,12 @@ class MBNDSynchronizer {
     const notFoundTracks = [];
 
     console.log('Processing tracks...');
-    const progressBar = options.verbose ? null : new cliProgress.SingleBar({}, cliProgress.Presets.shades_classic);
+    const progressBar = options.verbose
+      ? null
+      : new cliProgress.SingleBar(
+          { etaBuffer: Math.max(100, Math.floor(musicBeeCollection.length * 0.1)) },
+          cliProgress.Presets.shades_classic
+        );
     progressBar?.start(musicBeeCollection.length, 0);
 
     const sampleDbTrack = await Track.findOne();
@@ -354,7 +359,12 @@ class MBNDSynchronizer {
     const albums = await Album.findAll(params);
 
     console.log('Processing albums...');
-    const progressBar = options.verbose ? null : new cliProgress.SingleBar({}, cliProgress.Presets.shades_classic);
+    const progressBar = options.verbose
+      ? null
+      : new cliProgress.SingleBar(
+          { etaBuffer: Math.max(100, Math.floor(albums.length * 0.1)) },
+          cliProgress.Presets.shades_classic
+        );
     progressBar?.start(albums.length, 0);
     albumsAnnotations = await Promise.all(
       albums
@@ -471,7 +481,12 @@ class MBNDSynchronizer {
     artists = artists.filter(artist => artist.tracks.length);
 
     console.log('Processing artists...');
-    const progressBar = options.verbose ? null : new cliProgress.SingleBar({}, cliProgress.Presets.shades_classic);
+    const progressBar = options.verbose
+      ? null
+      : new cliProgress.SingleBar(
+          { etaBuffer: Math.max(100, Math.floor(artists.length * 0.1)) },
+          cliProgress.Presets.shades_classic
+        );
     progressBar?.start(artists.length, 0);
     artistsAnnotations = await Promise.all(
       artists.map(artist =>