'use strict';

var defineBuiltIn = require('../internals/define-built-in');

var uncurryThis = require('../internals/function-uncurry-this');

var toString = require('../internals/to-string');

var validateArgumentsLength = require('../internals/validate-arguments-length');

var $URLSearchParams = URLSearchParams;

var URLSearchParamsPrototype = $URLSearchParams.prototype;

var append = uncurryThis(URLSearchParamsPrototype.append);

var $delete = uncurryThis(URLSearchParamsPrototype['delete']);

var forEach = uncurryThis(URLSearchParamsPrototype.forEach);

var push = uncurryThis([].push);

var params = new $URLSearchParams('a=1&a=2&b=3');

params['delete']('a', 1);

// `undefined` case is a Chromium 117 bug

// https://bugs.chromium.org/p/v8/issues/detail?id=14222

params['delete']('b', undefined);

if (params + '' !== 'a=2') {

defineBuiltIn(URLSearchParamsPrototype, 'delete', function (name /* , value */) {

var length = arguments.length;

var $value = length < 2 ? undefined : arguments[1];

if (length && $value === undefined) return $delete(this, name);

var entries = [];

forEach(this, function (v, k) { // also validates `this`

push(entries, { key: k, value: v });

});

validateArgumentsLength(length, 1);

var key = toString(name);

var value = toString($value);

var index = 0;

var dindex = 0;

var found = false;

var entriesLength = entries.length;

var entry;

while (index < entriesLength) {

entry = entries[index++];

if (found || entry.key === key) {

found = true;

$delete(this, entry.key);

} else dindex++;

}

while (dindex < entriesLength) {

entry = entries[dindex++];

if (!(entry.key === key && entry.value === value)) append(this, entry.key, entry.value);

}

}, { enumerable: true, unsafe: true });

}