Files
react-native-devtools-frontend/node_modules/es-abstract/2018/ToIndex.js
T
Tim van der Lippe 2c89197d0d Update ESLint-related packages
R=jacktfranklin@chromium.org

No-Presubmit: True
Bug: none
Change-Id: I52dc24b12e350787085c5e3d131cface7ea87142
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3060705
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Paul Lewis <aerotwist@chromium.org>
2021-07-30 11:02:26 +00:00

27 lines
668 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $RangeError = GetIntrinsic('%RangeError%');
var ToInteger = require('./ToInteger');
var ToLength = require('./ToLength');
var SameValueZero = require('./SameValueZero');
// https://262.ecma-international.org/8.0/#sec-toindex
module.exports = function ToIndex(value) {
if (typeof value === 'undefined') {
return 0;
}
var integerIndex = ToInteger(value);
if (integerIndex < 0) {
throw new $RangeError('index must be >= 0');
}
var index = ToLength(integerIndex);
if (!SameValueZero(integerIndex, index)) {
throw new $RangeError('index must be >= 0 and < 2 ** 53 - 1');
}
return index;
};