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refactor

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This commit is contained in:
syuilo 2024-08-31 09:57:22 +09:00
parent eb81813ebf
commit 3aabdf889b
5 changed files with 3 additions and 17 deletions
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14
packages/frontend-shared/js/extract-avg-color-from-blurhash.ts Normal file
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@ -0,0 +1,14 @@
/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
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;
}