Function findIndex

app/src/static/js/react-bootstrap.js:3829–3842

* Return the index of the matching object * @method * @memberof Popper.Utils * @argument {Array} arr * @argument prop * @argument value * @returns index or -1

(arr, prop, value)

function findIndex(arr, prop, value) {
  // use native findIndex if supported
  if (Array.prototype.findIndex) {
    return arr.findIndex(function (cur) {
      return cur[prop] === value;
    });
  } // use `find` + `indexOf` if `findIndex` isn't supported


  var match = find(arr, function (obj) {
    return obj[prop] === value;
  });
  return arr.indexOf(match);
}
/**
 * Loop trough the list of modifiers and run them in order,
 * each of them will then edit the data object.