diff options
author | isaacs <i@izs.me> | 2020-07-23 20:58:04 +0300 |
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committer | isaacs <i@izs.me> | 2020-07-29 21:53:42 +0300 |
commit | ad5e07d8bd86d1dbe2b03dc142f8c8d6f4828ffe (patch) | |
tree | 97b66f97d77f35774f10a5e3e9957b1897d150bb /node_modules/es-abstract/2019/ToIndex.js | |
parent | a16994cfdd2f255016f3d8ee60d03473d80eabd8 (diff) |
Full dependency reboot
Reinstall everything from a clean node_modules and package-lock.json
state.
Re-generate list of bundleDependencies and node_modules/.gitignore with
a script that does the right thing based on actual dependency state.
Diffstat (limited to 'node_modules/es-abstract/2019/ToIndex.js')
-rw-r--r-- | node_modules/es-abstract/2019/ToIndex.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2019/ToIndex.js b/node_modules/es-abstract/2019/ToIndex.js new file mode 100644 index 000000000..a55398d3e --- /dev/null +++ b/node_modules/es-abstract/2019/ToIndex.js @@ -0,0 +1,26 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var $RangeError = GetIntrinsic('%RangeError%'); + +var ToInteger = require('./ToInteger'); +var ToLength = require('./ToLength'); +var SameValueZero = require('./SameValueZero'); + +// https://www.ecma-international.org/ecma-262/8.0/#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; +}; |