mirror of
https://github.com/misskey-dev/misskey
synced 2024-05-23 03:41:05 +02:00
10 lines
331 B
TypeScript
10 lines
331 B
TypeScript
export function extractAvgColorFromBlurhash(hash: string) {
|
|
return typeof hash === 'string'
|
|
? '#' + [...hash.slice(2, 6)]
|
|
.map(x => '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz#$%*+,-.:;=?@[]^_{|}~'.indexOf(x))
|
|
.reduce((a, c) => a * 83 + c, 0)
|
|
.toString(16)
|
|
.padStart(6, '0')
|
|
: undefined;
|
|
}
|