"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/add-pointer-event.ts
var add_pointer_event_exports = {};
__export(add_pointer_event_exports, {
  addPointerEvent: () => addPointerEvent
});
module.exports = __toCommonJS(add_pointer_event_exports);

// src/add-dom-event.ts
function addDomEvent(target, eventName, handler, options) {
  target.addEventListener(eventName, handler, options);
  return () => {
    target.removeEventListener(eventName, handler, options);
  };
}

// src/assertion.ts
function isMouseEvent(event) {
  const win = getEventWindow(event);
  if (typeof win.PointerEvent !== "undefined" && event instanceof win.PointerEvent) {
    return !!(event.pointerType === "mouse");
  }
  return event instanceof win.MouseEvent;
}
function isTouchEvent(event) {
  const hasTouches = !!event.touches;
  return hasTouches;
}
function getEventWindow(event) {
  var _a;
  return (_a = event.view) != null ? _a : window;
}

// src/get-event-point.ts
function pointFromTouch(e, type = "page") {
  const point = e.touches[0] || e.changedTouches[0];
  return { x: point[`${type}X`], y: point[`${type}Y`] };
}
function pointFromMouse(point, type = "page") {
  return {
    x: point[`${type}X`],
    y: point[`${type}Y`]
  };
}
function getEventPoint(event, type = "page") {
  return isTouchEvent(event) ? pointFromTouch(event, type) : pointFromMouse(event, type);
}

// src/add-pointer-event.ts
function filter(cb) {
  return (event) => {
    const isMouse = isMouseEvent(event);
    if (!isMouse || isMouse && event.button === 0) {
      cb(event);
    }
  };
}
function wrap(cb, filterPrimary = false) {
  function listener(event) {
    cb(event, { point: getEventPoint(event) });
  }
  const fn = filterPrimary ? filter(listener) : listener;
  return fn;
}
function addPointerEvent(target, type, cb, options) {
  return addDomEvent(target, type, wrap(cb, type === "pointerdown"), options);
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  addPointerEvent
});