Function sha256Hex

packages/core/sdk/src/blob.ts:163–169

(text: string)

 *  write-once blobs (`put(key(hash), …)` is then idempotent and orphaned
 *  writes are harmless). Web Crypto, so it runs on Workers/Bun/Node alike. */
export const sha256Hex = (text: string): Effect.Effect<string> =>
  Effect.promise(async () => {
    const digest = await crypto.subtle.digest("SHA-256", new TextEncoder().encode(text));
    return Array.from(new Uint8Array(digest), (byte) => byte.toString(16).padStart(2, "0")).join(
      "",
    );
  });

const blobId = (namespace: string, key: string): string => JSON.stringify([namespace, key]);