Error.js

class TmError {
  constructor(err, pos, arg) {
    this.name = err
    this.arg = arg
    this.pos = pos === null ? [] : [pos]
  }

  toJSON() {
    return {
      Err: this.name,
      Arg: this.arg,
      Pos: this.pos
    }
  }
}

TmError.Types = {
  Section: {
    DiffDuration: 'Section::DiffDuration',
    InitiativeBar: 'Section::InitiativeBar',
    FinalBar: 'Section::FinalBar',
    Mismatch: 'Section::Mismatch'
  },
  Track: {
    BarLength: 'Track::BarLength',
    UnexpVolta: 'Track::UnexpVolta',
    UnexpCoda: 'Track::UnexpCoda',
    MultiCoda: 'Track::MultiCoda',
    MultiVolta: 'Track::MultiVolta',
    Instrument: 'Track::Instrument',
    Undefined: 'Track::Undefined',
    FadeOverLong: 'Track::FadeOverLong'
  },
  Note: {
    ChordRange: 'Note::ChordRange',
    ChordOverride: 'Note::ChordOverride',
    Reduplicate: 'Note::Reduplicate',
    OutOfRegister: 'Note::OutOfRegister',
    ScaleDegree: 'Note::ScaleDegree',
    NoPrevious: 'Note::NoPrevious',
    VolumeLimit: 'Note::VolumeLimit'
  },
  Arg: {
    OutOfRange: 'Arg::OutOfRange',
    UniNote: 'Arg::UniNote',
    NotLog2: 'Arg::NotLog2',
    WrongType: 'Arg::WrongType'
  }
}

module.exports = TmError