cdn-upload.js

const dotenv = require('dotenv');
const { BlobServiceClient } = require('@azure/storage-blob');
const pkg = require("./package.json");

dotenv.config({
    path: "../../.env"
});

const SIGNATURES = [
    process.env.CDN_EUNO_SAS,
    process.env.CDN_USWE_SAS
];

const FILES = [
    'msal-browser.js',
    'msal-browser.js.map',
    'msal-browser.min.js'
];

async function uploadToCdn(sas) {
    const cdn = sas.split("?")[0];

    console.log('Starting uploads to CDN:', cdn);

    const blobServiceClient = new BlobServiceClient(sas);
    const containerClient = blobServiceClient.getContainerClient('');

    return Promise.all(FILES.map(async (file) => {
         const blobName = `browser/${pkg.version}/js/${file}`;
         
         console.log(cdn, blobName, 'Uploading file');
    
        const blockBlobClient = containerClient.getBlockBlobClient(blobName);

        const fileName = `./lib/${file}`;

        try {
            const blobExists = await blockBlobClient.exists();

            if (!blobExists) {
                await blockBlobClient.uploadFile(fileName, { 
                    blobHTTPHeaders: { 
                        blobContentType: "text/javascript"
                    }
                });
    
                console.log(cdn, blobName, 'Upload complete');
            } else {
                console.warn(cdn, blobName, 'File exists')
            }
        } catch (e) {
            console.error(cdn, blobName, 'Upload failed');
        }
    }));
}

Promise.all(SIGNATURES.map(sas => uploadToCdn(sas)))
    .then(() => {
        console.log('Uploads complete');
    })
    .finally(() => {
        process.exit(0);
    })