124_webcalibre2/src/lib/hashing-client.ts

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421 B
TypeScript

// src/lib/hashing-client.ts
// src/lib/hashing-client.ts
export async function calculateFileHash(file: File): Promise<string> {
const arrayBuffer = await file.arrayBuffer();
// Native browser API (SubtleCrypto)
const hashBuffer = await crypto.subtle.digest('SHA-256', arrayBuffer);
const hashArray = Array.from(new Uint8Array(hashBuffer));
return hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
}