filter layer with sketch js api

sketch filter layer

let sketch = require('sketch')
let doc = sketch.getSelectedDocument()
let selectedLayersObject = doc.selectedLayers
let selectedLayersArray = selectedLayersObject.layers

selectedLayersArray.forEach(layer => {
    //console.log(layer.layers)
    layer.layers.forEach(layer => {
        //console.log(layer)
        if(layer.type == "Text") {
            console.log('aaa')
            layer.selected = true;
        }
        
    })
});