sketch-rename-layers.js

var sketch = require('sketch')

var document = sketch.getSelectedDocument()

var page = document.selectedPage;

var vFrom = 'v11';
var vTo = 'v12';

var symbols = page.layers.filter(l => l.name.indexOf(vFrom) > -1));

symbols.forEach(s => {
  s.name = s.name.replace(vFrom, vTo);
});

// var slice = page.layers[0];
// 
// if (slice.type === 'Slice') {
//   slice.remove()
// }

var selectedLayers = document.selectedLayers
var selectedCount = selectedLayers.length

if (selectedCount === 0) {
  console.log('No layers are selected.')
} else {
  console.log('Selected layers:');
  selectedLayers.forEach(function (layer, i) {
    console.log((i + 1) + '. ' + layer.name)
  })
}