@foxglove/rosmsg-serialization/dist/esm/decodeString.js

ROS1 (Robot Operating System) message serialization, for reading and writing bags and network messages

const decoder = new TextDecoder();
/**
 * Fast UTF8 string decoding. TextDecoder becomes faster for large strings, but String.fromCharCode
 * is faster for small strings. However, TextDecoder is required if the data contains any non-ASCII
 * chars.
 */
export default function decodeString(data) {
    if (data.length >= 50) {
        return decoder.decode(data);
    }
    for (let i = 0; i < data.length; i++) {
        // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions
        if (data[i] & 0x80) {
            return decoder.decode(data);
        }
    }
    return String.fromCharCode.apply(null, data);
}
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