expo-linear-gradient/build/normalizeColor.js

Provides a React component that renders a gradient view.

/**
 * Copyright (c) Expo.
 * Copyright (c) Nicolas Gallagher.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import { processColor } from 'react-native';
const isWebColor = (color) => color === 'currentcolor' ||
    color === 'currentColor' ||
    color === 'inherit' ||
    color.indexOf('var(') === 0;
export function normalizeColor(color, opacity = 1) {
    if (color == null)
        return;
    if (typeof color === 'string' && isWebColor(color)) {
        return color;
    }
    const colorInt = processColor(color);
    if (typeof colorInt === 'number') {
        const r = (colorInt >> 16) & 255;
        const g = (colorInt >> 8) & 255;
        const b = colorInt & 255;
        const a = ((colorInt >> 24) & 255) / 255;
        const alpha = (a * opacity).toFixed(2);
        return `rgba(${r},${g},${b},${alpha})`;
    }
}
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