@bemit/consent-ui/PluginFacebook/PluginFacebook.js

© 2022 [bemit](https://bemit.eu)

const fbState = {
  loaded: false,
  fbpxInv: undefined
};
export const loadFb = () => {
  !function (f, b, e, v, n, t, s) {
    if (f.fbq) return;
    n = f.fbq = function () {
      n.callMethod ? n.callMethod.apply(n, arguments) : n.queue.push(arguments);
    };
    if (!f._fbq) f._fbq = n;
    n.push = n;
    n.loaded = !0;
    n.version = '2.0';
    n.queue = [];
    t = b.createElement(e);
    t.async = !0;
    t.src = v;
    s = b.getElementsByTagName(e)[0];
    s.parentNode.insertBefore(t, s);
  }(window, document, 'script', 'https://connect.facebook.net/en_US/fbevents.js');
};
export const pluginFacebook = (group, fbqId) => ({
  shouldBe: options => {
    return Boolean(options?.groups?.[group]);
  },
  create: wasAlreadyCreated => {
    if (wasAlreadyCreated) return;
    const cb = () => {
      window.clearInterval(fbState.fbpxInv);
      const onFbLoaded = () => {
        if (window.fbq) {
          window.clearInterval(fbState.fbpxInv);
          window.fbq('init', fbqId);
          window.fbq('track', 'PageView');
        }
      };
      fbState.fbpxInv = window.setInterval(onFbLoaded, 30);
      onFbLoaded();
    };
    if (!fbState.loaded) {
      fbState.loaded = true;
      loadFb();
      cb();
    } else {
      cb();
    }
  },
  destroy: () => {
    return {
      requiresRefresh: true
    };
  }
});