'use strict';

// Here's a brief sketch of the class
// with things that you'll need anyway
class HoverIntent {

  constructor({
    sensitivity = 0.1, // speed less than 0.1px/ms means "hovering over an element"
    interval = 100, // measure mouse speed once per 100ms: calculate the distance between previous and next points
    elem,
    over,
    out
  }) {
    this.sensitivity = sensitivity;
    this.interval = interval;
    this.elem = elem;
    this.over = over;
    this.out = out;

    // make sure "this" is the object in event handlers.
    this.onMouseMove = this.onMouseMove.bind(this);
    this.onMouseOver = this.onMouseOver.bind(this);
    this.onMouseOut = this.onMouseOut.bind(this);

    // assign the handlers
    elem.addEventListener("mouseover", this.onMouseOver);
    elem.addEventListener("mouseout", this.onMouseOut);

    // continue from this point

  }

  onMouseOver(event) {
    /* ... */
  }

  onMouseOut(event) {
    /* ... */
  }

  onMouseMove(event) {
    /* ... */
  }


  destroy() {
    /* your code to "disable" the functionality, remove all handlers */
  }

}