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'use strict';
var $ = require('../internals/export');
var $findIndex = require('../internals/array-iteration').findIndex;
var addToUnscopables = require('../internals/add-to-unscopables');
var FIND_INDEX = 'findIndex';
var SKIPS_HOLES = true;
// Shouldn't skip holes
// eslint-disable-next-line es/no-array-prototype-findindex -- testing
if (FIND_INDEX in []) Array(1)[FIND_INDEX](function () { SKIPS_HOLES = false; });
// `Array.prototype.findIndex` method
// https://tc39.es/ecma262/#sec-array.prototype.findindex
$({ target: 'Array', proto: true, forced: SKIPS_HOLES }, {
findIndex: function findIndex(callbackfn /* , that = undefined */) {
return $findIndex(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
}
});
// https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
addToUnscopables(FIND_INDEX);