node-serum2-preset-packager
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Xfer Serum 2 Preset Packager for NodeJS
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Encode and decode Xfer Serum 2 `.SerumPreset` files with TypeScript.
This package provides utilities and a CLI for converting between Serum 2 preset files and JSON, making it easy to inspect, modify, or generate presets programmatically.
- **Unpack**: Convert `.SerumPreset` files to readable JSON.
- **Pack**: Convert JSON files back to `.SerumPreset` format.
- **CLI & API**: Use from the command line or integrate into your own TypeScript/Node.js projects.
```bash
npm install node-serum2-preset-packager
pnpm install node-serum2-preset-packager
pnpm approve-builds
```
```typescript
import { unpack, pack } from 'node-serum2-preset-packager'
// Unpack a SerumPreset file to JSON
await unpack('input.SerumPreset', 'output.json')
// Pack a JSON file to SerumPreset
await pack('input.json', 'output.SerumPreset')
```
```bash
node cli.js unpack <file.SerumPreset> <out.json>
node cli.js pack <in.json> <out.SerumPreset>
```
- dist/ - Distribution files
- src/ - Core library code
- test/ - test scripts
- test/decode/ - Example .SerumPreset files
- test/encode/ - Example JSON files
Special thanks to [Kenneth Wussmann](https://github.com/KennethWussmann/serum-preset-packager) for the original Serum 2 preset packager implementation in Python, which inspired this TypeScript version.
```json
{
"metadata": {
"fileType": "SerumPreset",
"hash": "f7e5b9fc64e4a1f69aff9b8cef5bbb81",
"presetAuthor": "",
"presetDescription": "",
"presetName": "temp1",
"product": "Serum2",
"productVersion": "2.0.19",
"tags": ["Wavetable", "Poly"],
"url": "https://xferrecords.com/",
"vendor": "Xfer Records",
"version": 7
},
"data": {
"Arp0": {
"plainParams": "default"
},
"ArpClip0": {
"clip": {},
"plainParams": "default"
},
"ArpClip1": {
"clip": {},
"plainParams": "default"
},
"ArpClip10": {
"clip": {},
"plainParams": "default"
},
"ArpClip11": {
"clip": {},
"plainParams": "default"
},
"ArpClip2": {
"clip": {},
"plainParams": "default"
},
"ArpClip3": {
"clip": {},
"plainParams": "default"
},
"ArpClip4": {
"clip": {},
"plainParams": "default"
},
"ArpClip5": {
"clip": {},
"plainParams": "default"
},
"ArpClip6": {
"clip": {},
"plainParams": "default"
},
"ArpClip7": {
"clip": {},
"plainParams": "default"
},
"ArpClip8": {
"clip": {},
"plainParams": "default"
},
"ArpClip9": {
"clip": {},
"plainParams": "default"
},
"ClipPlayer": {
"kUIParamPianoRollNotePreview": 1,
"kUIParamPreviewClip": 0,
"kUIParamSelectedClip": 0
},
"ClipPlayer0": {
"plainParams": "default"
},
"Env0": {
"plainParams": {
"kParamCurve1": 50,
"kParamCurve2": 66.60000000000001,
"kParamCurve3": 66.60000000000001
}
},
"Env1": {
"plainParams": {
"kParamCurve1": 50,
"kParamCurve2": 66.60000000000001,
"kParamCurve3": 66.60000000000001
}
},
"Env2": {
"plainParams": {
"kParamCurve1": 50,
"kParamCurve2": 66.60000000000001,
"kParamCurve3": 66.60000000000001
}
},
"Env3": {
"plainParams": {
"kParamCurve1": 50,
"kParamCurve2": 66.60000000000001,
"kParamCurve3": 66.60000000000001
}
},
"FXRack0": {
"FX": [],
"displayName": "",
"plainParams": "default"
},
"FXRack1": {
"FX": [],
"displayName": "",
"plainParams": "default"
},
"FXRack2": {
"FX": [],
"displayName": "",
"plainParams": "default"
},
"Filter": {
"kUIParamMixOrGain": 0
},
"Global0": {
"plainParams": "default"
},
"GranularOsc": [
{
"kUIParamDisplayXYInput": 0
},
{
"kUIParamDisplayXYInput": 0
},
{
"kUIParamDisplayXYInput": 0
}
],
"LFO0": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFO1": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFO2": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFO3": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFO4": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFO5": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFO6": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFO7": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFO8": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFO9": {
"curveData": {},
"pathData": {},
"plainParams": "default"
},
"LFOPointModBus0": {
"plainParams": "default"
},
"LFOPointModBus1": {
"plainParams": "default"
},
"LFOPointModBus10": {
"plainParams": "default"
},
"LFOPointModBus11": {
"plainParams": "default"
},
"LFOPointModBus12": {
"plainParams": "default"
},
"LFOPointModBus13": {
"plainParams": "default"
},
"LFOPointModBus14": {
"plainParams": "default"
},
"LFOPointModBus15": {
"plainParams": "default"
},
"LFOPointModBus2": {
"plainParams": "default"
},
"LFOPointModBus3": {
"plainParams": "default"
},
"LFOPointModBus4": {
"plainParams": "default"
},
"LFOPointModBus5": {
"plainParams": "default"
},
"LFOPointModBus6": {
"plainParams": "default"
},
"LFOPointModBus7": {
"plainParams": "default"
},
"LFOPointModBus8": {
"plainParams": "default"
},
"LFOPointModBus9": {
"plainParams": "default"
},
"Macro0": {
"plainParams": "default"
},
"Macro1": {
"plainParams": "default"
},
"Macro2": {
"plainParams": "default"
},
"Macro3": {
"plainParams": "default"
},
"Macro4": {
"plainParams": "default"
},
"Macro5": {
"plainParams": "default"
},
"Macro6": {
"plainParams": "default"
},
"Macro7": {
"plainParams": "default"
},
"MidiClip0": {
"clip": {},
"plainParams": "default"
},
"MidiClip1": {
"clip": {},
"plainParams": "default"
},
"MidiClip10": {
"clip": {},
"plainParams": "default"
},
"MidiClip11": {
"clip": {},
"plainParams": "default"
},
"MidiClip2": {
"clip": {},
"plainParams": "default"
},
"MidiClip3": {
"clip": {},
"plainParams": "default"
},
"MidiClip4": {
"clip": {},
"plainParams": "default"
},
"MidiClip5": {
"clip": {},
"plainParams": "default"
},
"MidiClip6": {
"clip": {},
"plainParams": "default"
},
"MidiClip7": {
"clip": {},
"plainParams": "default"
},
"MidiClip8": {
"clip": {},
"plainParams": "default"
},
"MidiClip9": {
"clip": {},
"plainParams": "default"
},
"ModSlot0": {
"plainParams": "default"
},
"ModSlot1": {
"plainParams": "default"
},
"ModSlot10": {
"plainParams": "default"
},
"ModSlot11": {
"plainParams": "default"
},
"ModSlot12": {
"plainParams": "default"
},
"ModSlot13": {
"plainParams": "default"
},
"ModSlot14": {
"plainParams": "default"
},
"ModSlot15": {
"plainParams": "default"
},
"ModSlot16": {
"plainParams": "default"
},
"ModSlot17": {
"plainParams": "default"
},
"ModSlot18": {
"plainParams": "default"
},
"ModSlot19": {
"plainParams": "default"
},
"ModSlot2": {
"plainParams": "default"
},
"ModSlot20": {
"plainParams": "default"
},
"ModSlot21": {
"plainParams": "default"
},
"ModSlot22": {
"plainParams": "default"
},
"ModSlot23": {
"plainParams": "default"
},
"ModSlot24": {
"plainParams": "default"
},
"ModSlot25": {
"plainParams": "default"
},
"ModSlot26": {
"plainParams": "default"
},
"ModSlot27": {
"plainParams": "default"
},
"ModSlot28": {
"plainParams": "default"
},
"ModSlot29": {
"plainParams": "default"
},
"ModSlot3": {
"plainParams": "default"
},
"ModSlot30": {
"plainParams": "default"
},
"ModSlot31": {
"plainParams": "default"
},
"ModSlot32": {
"plainParams": "default"
},
"ModSlot33": {
"plainParams": "default"
},
"ModSlot34": {
"plainParams": "default"
},
"ModSlot35": {
"plainParams": "default"
},
"ModSlot36": {
"plainParams": "default"
},
"ModSlot37": {
"plainParams": "default"
},
"ModSlot38": {
"plainParams": "default"
},
"ModSlot39": {
"plainParams": "default"
},
"ModSlot4": {
"plainParams": "default"
},
"ModSlot40": {
"plainParams": "default"
},
"ModSlot41": {
"plainParams": "default"
},
"ModSlot42": {
"plainParams": "default"
},
"ModSlot43": {
"plainParams": "default"
},
"ModSlot44": {
"plainParams": "default"
},
"ModSlot45": {
"plainParams": "default"
},
"ModSlot46": {
"plainParams": "default"
},
"ModSlot47": {
"plainParams": "default"
},
"ModSlot48": {
"plainParams": "default"
},
"ModSlot49": {
"plainParams": "default"
},
"ModSlot5": {
"plainParams": "default"
},
"ModSlot50": {
"plainParams": "default"
},
"ModSlot51": {
"plainParams": "default"
},
"ModSlot52": {
"plainParams": "default"
},
"ModSlot53": {
"plainParams": "default"
},
"ModSlot54": {
"plainParams": "default"
},
"ModSlot55": {
"plainParams": "default"
},
"ModSlot56": {
"plainParams": "default"
},
"ModSlot57": {
"plainParams": "default"
},
"ModSlot58": {
"plainParams": "default"
},
"ModSlot59": {
"plainParams": "default"
},
"ModSlot6": {
"plainParams": "default"
},
"ModSlot60": {
"plainParams": "default"
},
"ModSlot61": {
"plainParams": "default"
},
"ModSlot62": {
"plainParams": "default"
},
"ModSlot63": {
"plainParams": "default"
},
"ModSlot7": {
"plainParams": "default"
},
"ModSlot8": {
"plainParams": "default"
},
"ModSlot9": {
"plainParams": "default"
},
"MultiSampleOsc": [
{
"kUIParamMultiSampleOverviewMouseTag": 0
},
{
"kUIParamMultiSampleOverviewMouseTag": 0
},
{
"kUIParamMultiSampleOverviewMouseTag": 0
}
],
"Osc": [
{
"kUIParamAutoSyncSlicing": 0,
"kUIParamShowMarkerAnimations": 0,
"kUIParamZoomToStartEnd": 0
},
{
"kUIParamAutoSyncSlicing": 0,
"kUIParamShowMarkerAnimations": 0,
"kUIParamZoomToStartEnd": 0
},
{
"kUIParamAutoSyncSlicing": 0,
"kUIParamShowMarkerAnimations": 0,
"kUIParamZoomToStartEnd": 0
},
{
"kUIParamAutoSyncSlicing": 0,
"kUIParamShowMarkerAnimations": 0,
"kUIParamZoomToStartEnd": 0
},
{
"kUIParamAutoSyncSlicing": 0,
"kUIParamShowMarkerAnimations": 0,
"kUIParamZoomToStartEnd": 0
}
],
"Oscillator0": {
"GranularOsc0": {
"plainParams": "default"
},
"MultiSampleOsc0": {
"plainParams": "default"
},
"SampleOsc0": {
"plainParams": "default"
},
"SpectralOsc0": {
"plainParams": "default"
},
"WTOsc0": {
"flex": {},
"numChannels": 1,
"numFrames": 18432,
"plainParams": "default",
"relativePathToWT": "S2 Tables/Default Shapes.wav",
"sampleRate": 44100
},
"plainParams": "default"
},
"Oscillator1": {
"GranularOsc1": {
"plainParams": "default"
},
"MultiSampleOsc1": {
"plainParams": "default"
},
"SampleOsc1": {
"plainParams": "default"
},
"SpectralOsc1": {
"plainParams": "default"
},
"WTOsc1": {
"flex": {},
"numChannels": 1,
"numFrames": 18432,
"plainParams": "default",
"relativePathToWT": "S2 Tables/Default Shapes.wav",
"sampleRate": 44100
},
"plainParams": "default"
},
"Oscillator2": {
"GranularOsc2": {
"plainParams": "default"
},
"MultiSampleOsc2": {
"plainParams": "default"
},
"SampleOsc2": {
"plainParams": "default"
},
"SpectralOsc2": {
"plainParams": "default"
},
"WTOsc2": {
"flex": {},
"numChannels": 1,
"numFrames": 18432,
"plainParams": "default",
"relativePathToWT": "S2 Tables/Default Shapes.wav",
"sampleRate": 44100
},
"plainParams": "default"
},
"Oscillator3": {
"NoiseOsc3": {
"detuneFactor": 0.4758218478413068,
"numChannels": 1,
"numFrames": 78241,
"plainParams": "default",
"relativePathToNoiseSample": "Organics/AC hum1.wav",
"sampleRate": 44100
},
"plainParams": "default"
},
"Oscillator4": {
"SubOsc4": {
"plainParams": "default"
},
"plainParams": "default"
},
"PitchQuantizer0": {
"plainParams": "default",
"scale": [0, 2, 0, 2, 0, 0, 2, 0, 2, 0, 2, 0],
"scaleName": "Major"
},
"RetriggerState0": {
"plainParams": "default"
},
"RoutingSlot0": {
"plainParams": "default"
},
"RoutingSlot1": {
"plainParams": "default"
},
"RoutingSlot2": {
"plainParams": "default"
},
"RoutingSlot3": {
"plainParams": "default"
},
"RoutingSlot4": {
"plainParams": "default"
},
"RoutingSlot5": {
"plainParams": "default"
},
"RoutingSlot6": {
"plainParams": "default"
},
"SerumGUI": {
"kUIParamShowKeyboard": 1,
"kUIParamShowMidiOut": 0
},
"SpectralOsc": [
{
"kUIParamDisplayXYInput": 0,
"kUIParamShowWaveformDisplay": 0
},
{
"kUIParamDisplayXYInput": 0,
"kUIParamShowWaveformDisplay": 0
},
{
"kUIParamDisplayXYInput": 0,
"kUIParamShowWaveformDisplay": 0
}
],
"VoiceFilter0": {
"plainParams": "default"
},
"VoiceFilter1": {
"plainParams": "default"
},
"VoicePanel0": {
"displayName": "",
"plainParams": "default"
},
"WTOsc": [
{
"kUIParamWTOverviewMouseTag": 0
},
{
"kUIParamWTOverviewMouseTag": 0
},
{
"kUIParamWTOverviewMouseTag": 0
}
],
"arpBankDisplayName": "",
"clipBankDisplayName": "",
"fileType": "SerumPreset",
"lockOversampling": false,
"lockTuning": false,
"mpeConfig": 0,
"mpeEnabled": false,
"mpePitchBendRange": 48,
"presetAuthor": "",
"presetDescription": "",
"presetName": "temp1",
"product": "Serum2",
"productVersion": "2.0.19",
"scalars": {
"note": {},
"velo": {}
},
"tags": ["Wavetable", "Poly"],
"url": "https://xferrecords.com/",
"vendor": "Xfer Records",
"version": 7
}
}
```