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21 lines
846 B
TypeScript
21 lines
846 B
TypeScript
// Copyright 2024 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { AxoTokens } from '../axo/AxoTokens.std.js';
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// See https://github.com/signalapp/ringrtc/blob/49b4b8a16f997c7fa9a429e96aa83f80b2065c63/src/rust/src/lite/call_links/base16.rs#L8
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const BASE_16_CONSONANT_ALPHABET = 'bcdfghkmnpqrstxz';
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// See https://github.com/signalapp/ringrtc/blob/49b4b8a16f997c7fa9a429e96aa83f80b2065c63/src/rust/src/lite/call_links/base16.rs#L127-L139
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export function getColorForCallLink(
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rootKey: string
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): AxoTokens.Avatar.ColorName {
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const rootKeyStart = rootKey.slice(0, 2);
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const upper = (BASE_16_CONSONANT_ALPHABET.indexOf(rootKeyStart[0]) || 0) * 16;
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const lower = BASE_16_CONSONANT_ALPHABET.indexOf(rootKeyStart[1]) || 0;
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const firstByte = upper + lower;
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return AxoTokens.Avatar.getColorNameByHash(firstByte);
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}
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