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'use strict';
var $ = require('../internals/export');
var uncurryThis = require('../internals/function-uncurry-this-clause');
var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
var toLength = require('../internals/to-length');
var toString = require('../internals/to-string');
var notARegExp = require('../internals/not-a-regexp');
var requireObjectCoercible = require('../internals/require-object-coercible');
var correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');
var IS_PURE = require('../internals/is-pure');
// eslint-disable-next-line es/no-string-prototype-startswith -- safe
var nativeStartsWith = uncurryThis(''.startsWith);
var stringSlice = uncurryThis(''.slice);
var min = Math.min;
var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');
// https://github.com/zloirock/core-js/pull/702
var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');
return descriptor && !descriptor.writable;
}();
// `String.prototype.startsWith` method
// https://tc39.es/ecma262/#sec-string.prototype.startswith
$({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {
startsWith: function startsWith(searchString /* , position = 0 */) {
var that = toString(requireObjectCoercible(this));
notARegExp(searchString);
var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));
var search = toString(searchString);
return nativeStartsWith
? nativeStartsWith(that, search, index)
: stringSlice(that, index, index + search.length) === search;
}
});