sketch props check

sketch props check

const sketch = require('sketch')
var doc = sketch.getSelectedDocument()
var selection = doc.selectedLayers

if (selection.length == 0) {
    sketch.UI.showMessage("Please select something.");
} else {
  selection.forEach(layer => {
    if (layer.type == 'Text') {
      var fontStyle = layer.style.fontFamily
      if (fontStyle == 'Open Sans') {
        sketch.UI.alert('Layer check', `Correct! The font is ${fontStyle}`)
      } else {
        sketch.UI.alert('Layer check', `Nope! The font is ${fontStyle}`)
      }
    }
  })
}