mirror of
https://github.com/react/react-native-devtools-frontend.git
synced 2026-10-07 04:26:32 +08:00
Tim van der Lippe
2c89197d0d
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>
20 lines
522 B
JavaScript
20 lines
522 B
JavaScript
'use strict';
|
|
|
|
var ToNumber = require('./ToNumber');
|
|
var floor = require('./floor');
|
|
|
|
var $isNaN = require('../helpers/isNaN');
|
|
|
|
// https://ecma-international.org/ecma-262/6.0/#sec-touint8clamp
|
|
|
|
module.exports = function ToUint8Clamp(argument) {
|
|
var number = ToNumber(argument);
|
|
if ($isNaN(number) || number <= 0) { return 0; }
|
|
if (number >= 0xFF) { return 0xFF; }
|
|
var f = floor(argument);
|
|
if (f + 0.5 < number) { return f + 1; }
|
|
if (number < f + 0.5) { return f; }
|
|
if (f % 2 !== 0) { return f + 1; }
|
|
return f;
|
|
};
|