54 lines
1.3 KiB
TypeScript
54 lines
1.3 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type { CustomColorType } from '../types/Colors';
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import { ThemeType } from '../types/Util';
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import { getHSL } from './getHSL';
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import { getUserTheme } from '../shims/getUserTheme';
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type ExtraQuotePropsType = {
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borderLeftColor?: string;
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};
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type BackgroundPropertyType =
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| { backgroundColor: string }
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| { backgroundImage: string }
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| undefined;
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export function getCustomColorStyle(
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color?: CustomColorType,
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isQuote = false
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): BackgroundPropertyType {
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if (!color) {
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return undefined;
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}
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const extraQuoteProps: ExtraQuotePropsType = {};
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let adjustedLightness = 0;
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if (isQuote) {
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const theme = getUserTheme();
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if (theme === ThemeType.light) {
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adjustedLightness = 0.6;
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}
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if (theme === ThemeType.dark) {
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adjustedLightness = -0.4;
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}
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extraQuoteProps.borderLeftColor = getHSL(color.start);
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}
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if (!color.end) {
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return {
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...extraQuoteProps,
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backgroundColor: getHSL(color.start, adjustedLightness),
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};
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}
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return {
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...extraQuoteProps,
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backgroundImage: `linear-gradient(${270 - (color.deg || 0)}deg, ${getHSL(
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color.start,
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adjustedLightness
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)}, ${getHSL(color.end, adjustedLightness)})`,
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};
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}
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