@ethersphere/bee-js/dist/cjs/utils/file.js

Javascript client for Bee

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.fileArrayBuffer = exports.isFile = void 0;
/**
 * Compatibility functions for working with File API objects
 *
 * https://developer.mozilla.org/en-US/docs/Web/API/File
 */
function isFile(file) {
    // browser
    if (typeof File === 'function' && file instanceof File) {
        return true;
    }
    // node.js
    const f = file;
    return (typeof f === 'object' &&
        typeof f.name === 'string' &&
        (typeof f.stream === 'function' || typeof f.arrayBuffer === 'function'));
}
exports.isFile = isFile;
/**
 * Compatibility helper for browsers where the `arrayBuffer function is
 * missing from `File` objects.
 *
 * @param file A File object
 */
async function fileArrayBuffer(file) {
    if (file.arrayBuffer) {
        return file.arrayBuffer();
    }
    // workaround for Safari where arrayBuffer is not supported on Files
    return new Promise(resolve => {
        const fr = new FileReader();
        fr.onload = () => resolve(fr.result);
        fr.readAsArrayBuffer(file);
    });
}
exports.fileArrayBuffer = fileArrayBuffer;