marko/packages/runtime-class/test/components-browser/fixtures/extend-component/components/app-button/component.js

module.exports = {
  onInput: function (input) {
    this.state = {
      size: input.size || "normal",
      variant: input.variant || "primary",
      className: input["class"],
      body: input.label || input.renderBody,
    };
  },

  handleClick: function (event) {
    // Every Component instance is also an EventEmitter instance.
    // We will emit a custom "click" event when a DOM click event
    // is triggered
    this.emit("click", {
      event: event, // Pass along the DOM event in case it is helpful to others
    });
  },

  // Add any other methods here
  setVariant: function (variant) {
    this.setState("variant", variant);
  },

  setSize: function (size) {
    this.setState("size", size);
  },

  setLabel: function (label) {
    this.setState("label", label);
  },
};