node_modules/core-js/modules/es6.array.find-index.js

'use strict';
// 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)
var $export = require('./_export');
var $find = require('./_array-methods')(6);
var KEY = 'findIndex';
var forced = true;
// Shouldn't skip holes
if (KEY in []) Array(1)[KEY](function () { forced = false; });
$export($export.P + $export.F * forced, 'Array', {
  findIndex: function findIndex(callbackfn /* , that = undefined */) {
    return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  }
});
require('./_add-to-unscopables')(KEY);