'use strict';

var solidJs = require('solid-js');
var utils = require('@solid-primitives/utils');

// src/index.ts
function createMutationObserver(initial, b, c) {
  let defaultOptions, callback;
  const isSupported = typeof window !== "undefined" && "MutationObserver" in window;
  if (typeof b === "function") {
    defaultOptions = {};
    callback = b;
  } else {
    defaultOptions = b;
    callback = c;
  }
  const instance = isSupported ? new MutationObserver(callback) : void 0;
  const add = (el, options) => instance?.observe(el, utils.access(options) ?? defaultOptions);
  const start = () => {
    utils.asArray(utils.access(initial)).forEach((item) => {
      item instanceof Node ? add(item, defaultOptions) : add(item[0], item[1]);
    });
  };
  const stop = () => instance?.disconnect();
  solidJs.onMount(start);
  solidJs.onCleanup(stop);
  return [
    add,
    {
      start,
      stop,
      instance,
      isSupported
    }
  ];
}
exports.mutationObserver = (target, props) => {
  const [config, cb] = props();
  const [add] = createMutationObserver([], cb);
  add(target, config);
};

exports.createMutationObserver = createMutationObserver;