Function concatenateArrayBuffers

docs/app/js/sanddance-app.js:53880–53903

()

    return true;
}
function concatenateArrayBuffers() {
    for(var _len = arguments.length, sources = new Array(_len), _key = 0; _key < _len; _key++)sources[_key] = arguments[_key];
    var sourceArrays = sources.map(function(source2) {
        return source2 instanceof ArrayBuffer ? new Uint8Array(source2) : source2;
    });
    var byteLength = sourceArrays.reduce(function(length, typedArray) {
        return length + typedArray.byteLength;
    }, 0);
    var result = new Uint8Array(byteLength);
    var offset = 0;
    var _iterator = _createForOfIteratorHelper(sourceArrays), _step;
    try {
        for(_iterator.s(); !(_step = _iterator.n()).done;){
            var sourceArray = _step.value;
            result.set(sourceArray, offset);
            offset += sourceArray.byteLength;
        }
    } catch (err) {
        _iterator.e(err);
    } finally{
        _iterator.f();
    }
    return result.buffer;
}
function sliceArrayBuffer(arrayBuffer, byteOffset, byteLength) {
    var subArray = byteLength !== undefined ? new Uint8Array(arrayBuffer).subarray(byteOffset, byteOffset + byteLength) : new Uint8Array(arrayBuffer).subarray(byteOffset);
    var arrayCopy = new Uint8Array(subArray);