Update Ableton transformer to support fader automation data

src/lib/transformers/ableton.ts

@@ -2,6 +2,7 @@ import * as Sentry from '@sentry/react';
 import omit from 'lodash/omit';
 import {
   ExporterParams,
+  FaderAutomationEvent,
   FaderParam,
   Note,
   Pad,
@@ -49,6 +50,11 @@ export type AblClip = {
   sceneName: string;
   timeSignature: TimeSignature;
   faderParams: { [K in FaderParam]: number };
+  faderAutomation: AblFaderAutomationPoint[];
+};
+
+export type AblFaderAutomationPoint = Pick<FaderAutomationEvent, 'position' | 'value' | 'flags'> & {
+  parameter: FaderParam;
 };
 
 export type AblScene = {
@@ -64,7 +70,11 @@ function abletonTransformer(data: ProjectRawData, exporterParams: ExporterParams
   let offset = 0;
 
   scenes.forEach((scene, sceneIndex) => {
-    const sceneBars = Math.max(...scene.patterns.map((p) => p.bars));
+    const sceneBars = Math.max(
+      1,
+      ...scene.patterns.map((p) => p.bars),
+      ...Object.values(scene.patternEvents).map((pattern) => pattern?.bars || 0),
+    );
     const ablScene: AblScene = {
       name: customSceneNames[scene.name] || scene.name,
     };
@@ -102,6 +112,15 @@ function abletonTransformer(data: ProjectRawData, exporterParams: ExporterParams
       }
 
       const faderParams = data.settings.groupFaderParams[pad.group];
+      const faderAutomation = (scene.patternEvents[pad.group]?.events || [])
+        .filter((event): event is FaderAutomationEvent => event.type === 'fader')
+        .filter((event) => event.parameter >= FaderParam.LVL && event.parameter <= FaderParam.MOD)
+        .map((event) => ({
+          position: event.position,
+          parameter: event.parameter as FaderParam,
+          value: event.value,
+          flags: event.flags,
+        }));
 
       if (!track) {
         const soundId = findSoundIdByPad(pattern.pad, pads) || 0;
@@ -146,6 +165,7 @@ function abletonTransformer(data: ProjectRawData, exporterParams: ExporterParams
         sceneName: customSceneNames[scene.name] || scene.name,
         timeSignature: data.scenesSettings.timeSignature,
         faderParams,
+        faderAutomation,
       });
 
       track.lane = lane;