2021-07-28 15:15:52 +02:00
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// https://github.com/cloudrac3r/cadencegq/blob/master/pug/mxid.pug
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2021-12-16 14:09:44 +01:00
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const colors = [
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'var(--mx-uc-1)',
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'var(--mx-uc-2)',
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'var(--mx-uc-3)',
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'var(--mx-uc-4)',
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'var(--mx-uc-5)',
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'var(--mx-uc-6)',
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'var(--mx-uc-7)',
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'var(--mx-uc-8)',
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];
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2021-07-28 15:15:52 +02:00
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function hashCode(str) {
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let hash = 0;
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let i;
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let chr;
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if (str.length === 0) {
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return hash;
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}
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for (i = 0; i < str.length; i += 1) {
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chr = str.charCodeAt(i);
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// eslint-disable-next-line no-bitwise
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hash = ((hash << 5) - hash) + chr;
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// eslint-disable-next-line no-bitwise
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hash |= 0;
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}
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return Math.abs(hash);
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}
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export default function colorMXID(userId) {
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const colorNumber = hashCode(userId) % 8;
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return colors[colorNumber];
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}
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