@loaders.gl/core
Version:
The core API for working with loaders.gl loaders and writers
17 lines (16 loc) • 623 B
JavaScript
// loaders.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
/**
* Read a slice of a Blob or File, without loading the entire file into memory
* The trick when reading File objects is to read successive "slices" of the File
* Per spec https://w3c.github.io/FileAPI/, slicing a File only updates the start and end fields
* @param file to read
*/
export async function readArrayBuffer(file, start, length) {
if (file instanceof Blob) {
const slice = file.slice(start, start + length);
return await slice.arrayBuffer();
}
return await file.read(start, start + length);
}