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alexrqs/rgbtostring.js

Created August 31, 2019 07:00
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RGB function with params per color to string
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rgbtostring.js
const normalColor = number => number > 255 ? 255 : number < 0 ? 0 : number
const toHEX = color => Number(normalColor(color)).toString(16).toUpperCase()
const normalHEX = hex => ((hexi = toHEX(hex)) => hexi.toString().length < 2 ? '0' + hexi : hexi)()
const rgb = (r,g,b) => normalHEX(r) + normalHEX(g) + normalHEX(b)
Test.assertEquals(rgb(0, 0, 0), '000000')
Test.assertEquals(rgb(0, 0, -20), '000000')
Test.assertEquals(rgb(300,255,255), 'FFFFFF')
Test.assertEquals(rgb(173,255,47), 'ADFF2F')
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