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Azure Blob Storage JavaScript/TypeScript SDK (@azure/storage-blob) for blob operations.
Passed 22 of 23 test cases with the skill, and 21 of 23 without it.
1 fixed21 passed either way1 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
A test case the skill fixed. Same model, same prompt, with and without the skill.
Write a TypeScript code snippet to upload an in-memory Node.js Buffer containing PNG thumbnail image bytes directly to a block blob named thumbnail.png.
| Checked | Without skill | With skill |
|---|---|---|
| getBlockBlobClient is called for thumbnail.png. | Passed | Passed |
| upload method is called with the Buffer and its byte length. | Missed | Passed |
The instructions your model reads when the skill loads.
SDK for Azure Blob Storage operations — upload, download, list, and manage blobs and containers.
npm install @azure/storage-blob @azure/identity
Current Version: 12.x
Node.js: >= 18.0.0
AZURE_STORAGE_ACCOUNT_NAME=<account-name>
AZURE_STORAGE_ACCOUNT_KEY=<account-key>
# OR connection string
AZURE_STORAGE_CONNECTION_STRING=DefaultEndpointsProtocol=https;AccountName=...
AZURE_TOKEN_CREDENTIALS=prod # Required only if DefaultAzureCredential is used in production
import { BlobServiceClient } from "@azure/storage-blob";
import { DefaultAzureCredential, ManagedIdentityCredential } from "@azure/identity";
// Local dev: DefaultAzureCredential. Production: set AZURE_TOKEN_CREDENTIALS=prod or AZURE_TOKEN_CREDENTIALS=<specific_credential>
const credential = new DefaultAzureCredential({requiredEnvVars: ["AZURE_TOKEN_CREDENTIALS"]});
// Or use a specific credential directly in production:
// See https://learn.microsoft.com/javascript/api/overview/azure/identity-readme?view=azure-node-latest#credential-classes
// const credential = new ManagedIdentityCredential();
const accountName = process.env.AZURE_STORAGE_ACCOUNT_NAME!;
const client = new BlobServiceClient(
`https://${accountName}.blob.core.windows.net`,
test cases passed, vs 21 / 23 without
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