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10 lines
330 B
TypeScript
10 lines
330 B
TypeScript
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export function extractAvgColorFromBlurhash(hash: string) {
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return typeof hash == 'string'
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? '#' + [...hash.slice(2, 6)]
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.map(x => '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz#$%*+,-.:;=?@[]^_{|}~'.indexOf(x))
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.reduce((a, c) => a * 83 + c, 0)
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.toString(16)
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.padStart(6, '0')
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: undefined;
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}
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