bootstrap-vue/esm/utils/target.js

BootstrapVue, with over 40 plugins and more than 80 custom components, custom directives, and over 300 icons, provides one of the most comprehensive implementations of Bootstrap v4 components and grid system for Vue.js. With extensive and automated WAI-AR

import { keys } from './object';
import { eventOn, eventOff } from './dom';
var allListenTypes = {
  hover: true,
  click: true,
  focus: true
};
var BVBoundListeners = '__BV_boundEventListeners__';

var getTargets = function getTargets(binding) {
  var targets = keys(binding.modifiers || {}).filter(function (t) {
    return !allListenTypes[t];
  });

  if (binding.value) {
    targets.push(binding.value);
  }

  return targets;
};

var bindTargets = function bindTargets(vnode, binding, listenTypes, fn) {
  var targets = getTargets(binding);

  var listener = function listener() {
    fn({
      targets: targets,
      vnode: vnode
    });
  };

  keys(allListenTypes).forEach(function (type) {
    if (listenTypes[type] || binding.modifiers[type]) {
      eventOn(vnode.elm, type, listener);
      var boundListeners = vnode.elm[BVBoundListeners] || {};
      boundListeners[type] = boundListeners[type] || [];
      boundListeners[type].push(listener);
      vnode.elm[BVBoundListeners] = boundListeners;
    }
  }); // Return the list of targets

  return targets;
};

var unbindTargets = function unbindTargets(vnode, binding, listenTypes) {
  keys(allListenTypes).forEach(function (type) {
    if (listenTypes[type] || binding.modifiers[type]) {
      var boundListeners = vnode.elm[BVBoundListeners] && vnode.elm[BVBoundListeners][type];

      if (boundListeners) {
        boundListeners.forEach(function (listener) {
          return eventOff(vnode.elm, type, listener);
        });
        delete vnode.elm[BVBoundListeners][type];
      }
    }
  });
};

export { bindTargets, unbindTargets, getTargets };
export default bindTargets;