sketch-clean-document/src/clean-layers/round-to-nearest-pixel.js

A Sketch plugin to automagically organise and clean up your Sketch document

import { adjustParentGroupsToFit } from 'sketch-plugin-helper'

const keys = ['width', 'height', 'x', 'y']

export default function roundToNearestPixel (layer) {
  keys.forEach(function (key) {
    layer.frame[key] = Math.round(layer.frame[key])
    adjustParentGroupsToFit(layer)
  })
}