Sketch API layer class type

layer.js

// Old way
export const LAYERTYPES = {
  symbol: {
    master: 'MSSymbolMaster',
    instance: 'MSSymbolInstance',
  },
  artboard: 'MSArtboardGroup',
  text: 'MSTextLayer',
  group: 'MSLayerGroup',
  shape: 'MSShapeGroup',
  path: 'MSPath',
  bitmap: 'MSBitmapLayer',
  page: 'MSPage',
};

// New way
export const LAYERTYPES = {
  symbol: {
    master: 'SymbolMaster',
    instance: 'SymbolInstance',
  },
  artboard: 'Artboard',
  text: 'Text',
  group: 'Group',
  shape: 'Shape',
  path: 'Path',
  bitmap: 'Image',
  page: 'Page',
};