main
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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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100644
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File size:
573 bytes
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| 1 | 'use strict';
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| 2 |
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| 3 | var ToNumber = require('./ToNumber');
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| 4 |
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| 5 | var $isNaN = require('../helpers/isNaN');
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| 6 | var $isFinite = require('../helpers/isFinite');
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| 7 | var $sign = require('../helpers/sign');
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| 8 |
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| 9 | var abs = require('./abs');
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| 10 | var floor = require('./floor');
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| 11 | var modulo = require('./modulo');
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| 12 |
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| 13 | // https://262.ecma-international.org/6.0/#sec-touint8
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| 14 |
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| 15 | module.exports = function ToUint8(argument) {
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| 16 | var number = ToNumber(argument);
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| 17 | if ($isNaN(number) || number === 0 || !$isFinite(number)) { return 0; }
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| 18 | var posInt = $sign(number) * floor(abs(number));
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| 19 | return modulo(posInt, 0x100);
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| 20 | };
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