marko/packages/runtime-class/test/components-browser/fixtures/component-setStateDirty/component.js

module.exports = {
  onInput: function (input) {
    this.state = {
      colors: input.colors || [],
    };
  },

  addColor: function (color) {
    this.state.colors.push(color);
    this.setStateDirty("color");
  },
};