@dicebear/core/lib/utils/color.js

An avatar library for designers and developers.

export function convertColor(color) {
    return 'transparent' === color ? color : `#${color}`;
}
export function getBackgroundColors(prng, backgroundColor, backgroundType) {
    var _a;
    let shuffledBackgroundColors = prng.shuffle(backgroundColor);
    if (shuffledBackgroundColors.length <= 1) {
        // If no background colour or only one background colour has been selected,
        // the random sorting logic can be omitted.
        shuffledBackgroundColors = backgroundColor;
        // A function call should in any case make an identical number of calls to the PRNG.
        prng.next();
    }
    else if (backgroundColor.length == 2 &&
        backgroundType == 'gradientLinear') {
        // If the background is to be a colour gradient and exactly two background
        // colours have been specified, do not sort them randomly. In this case, we
        // assume that the order of the background colours was chosen on purpose.
        shuffledBackgroundColors = backgroundColor;
        // A function call should in any case make an identical number of calls to the PRNG.
        prng.next();
    }
    else {
        shuffledBackgroundColors = prng.shuffle(backgroundColor);
    }
    if (shuffledBackgroundColors.length === 0) {
        shuffledBackgroundColors = ['transparent'];
    }
    const primary = shuffledBackgroundColors[0];
    const secondary = (_a = shuffledBackgroundColors[1]) !== null && _a !== void 0 ? _a : shuffledBackgroundColors[0];
    return {
        primary: convertColor(primary),
        secondary: convertColor(secondary),
    };
}