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/2017/AbstractRelationalComparison.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/2017/AbstractRelationalComparison.js')
-rw-r--r-- | node_modules/es-abstract/2017/AbstractRelationalComparison.js | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2017/AbstractRelationalComparison.js b/node_modules/es-abstract/2017/AbstractRelationalComparison.js new file mode 100644 index 000000000..bc7ca8324 --- /dev/null +++ b/node_modules/es-abstract/2017/AbstractRelationalComparison.js @@ -0,0 +1,66 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var $Number = GetIntrinsic('%Number%'); +var $TypeError = GetIntrinsic('%TypeError%'); + +var $isNaN = require('../helpers/isNaN'); +var $isFinite = require('../helpers/isFinite'); +var isPrefixOf = require('../helpers/isPrefixOf'); + +var ToNumber = require('./ToNumber'); +var ToPrimitive = require('./ToPrimitive'); +var Type = require('./Type'); + +// https://www.ecma-international.org/ecma-262/5.1/#sec-11.8.5 + +// eslint-disable-next-line max-statements +module.exports = function AbstractRelationalComparison(x, y, LeftFirst) { + if (Type(LeftFirst) !== 'Boolean') { + throw new $TypeError('Assertion failed: LeftFirst argument must be a Boolean'); + } + var px; + var py; + if (LeftFirst) { + px = ToPrimitive(x, $Number); + py = ToPrimitive(y, $Number); + } else { + py = ToPrimitive(y, $Number); + px = ToPrimitive(x, $Number); + } + var bothStrings = Type(px) === 'String' && Type(py) === 'String'; + if (!bothStrings) { + var nx = ToNumber(px); + var ny = ToNumber(py); + if ($isNaN(nx) || $isNaN(ny)) { + return undefined; + } + if ($isFinite(nx) && $isFinite(ny) && nx === ny) { + return false; + } + if (nx === 0 && ny === 0) { + return false; + } + if (nx === Infinity) { + return false; + } + if (ny === Infinity) { + return true; + } + if (ny === -Infinity) { + return false; + } + if (nx === -Infinity) { + return true; + } + return nx < ny; // by now, these are both nonzero, finite, and not equal + } + if (isPrefixOf(py, px)) { + return false; + } + if (isPrefixOf(px, py)) { + return true; + } + return px < py; // both strings, neither a prefix of the other. shortcut for steps c-f +}; |