let targetsCache = {};
/**
 * Convert a version number to a single 24-bit number
 *
 * https://github.com/lumeland/lume/blob/4cc75599006df423a14befc06d3ed8493c645b09/plugins/lightningcss.ts#L160
 */ function version(major, minor = 0, patch = 0) {
    return major << 16 | minor << 8 | patch;
}
function parseVersion(v) {
    return v.split(".").reduce((acc, val)=>{
        if (!acc) {
            return null;
        }
        const parsed = parseInt(val, 10);
        if (isNaN(parsed)) {
            return null;
        }
        acc.push(parsed);
        return acc;
    }, []);
}
function browserslistToTargets(targets) {
    return targets.reduce((acc, value)=>{
        const [name, v] = value.split(" ");
        const parsedVersion = parseVersion(v);
        if (!parsedVersion) {
            return acc;
        }
        const versionDigit = version(parsedVersion[0], parsedVersion[1], parsedVersion[2]);
        if (name === "and_qq" || name === "and_uc" || name === "baidu" || name === "bb" || name === "kaios" || name === "op_mini") {
            return acc;
        }
        if (acc[name] == null || versionDigit < acc[name]) {
            acc[name] = versionDigit;
        }
        return acc;
    }, {});
}
export const getTargets = (opts)=>{
    const cache = targetsCache[opts.key];
    if (cache) {
        return cache;
    }
    const result = browserslistToTargets(opts.targets ?? []);
    return targetsCache[opts.key] = result;
};

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