Function cloneChunk

src/data/DataStore.ts:124–130

(originalChunk: DataValueChunk)

};

function cloneChunk(originalChunk: DataValueChunk): DataValueChunk {
    const Ctor = originalChunk.constructor;
    // Only shallow clone is enough when Array.
    return Ctor === Array
        ? (originalChunk as Array<ParsedValue>).slice()
        : new (Ctor as DataTypedArrayConstructor)(originalChunk as DataTypedArray);
}

function prepareStore(
    store: DataValueChunk[],