c4841575c9
Co-authored-by: Philip Molares <philip.molares@udo.edu> Signed-off-by: Erik Michelson <github@erik.michelson.eu>
25 lines
711 B
JavaScript
25 lines
711 B
JavaScript
const defaultColor = { red: 0, green: 0, blue: 0 }
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function hex2rgb (hex) {
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if (!hex || typeof hex !== 'string') return defaultColor
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if (hex[0] == '#') hex = hex.substr(1)
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if (hex.length == 3) {
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var temp = hex
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hex = ''
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var match = /^([a-f0-9])([a-f0-9])([a-f0-9])$/i.exec(temp)
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if (!match) return defaultColor
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temp = match.slice(1)
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for (var i = 0; i < 3; i++) hex += temp[i] + temp[i]
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}
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var result = /^([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})$/i.exec(hex)
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if (!result) return defaultColor
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var triplets = result.slice(1)
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return {
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red: parseInt(triplets[0], 16),
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green: parseInt(triplets[1], 16),
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blue: parseInt(triplets[2], 16)
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}
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}
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module.exports = hex2rgb
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