@envelop/response-cache/esm/hash-sha256.js

- Skip the execution phase and reduce server load by caching execution results in-memory. - Customize cache entry time to live based on fields and types within the execution result. - Automatically invalidate the cache based on mutation selection sets. -

import { crypto, TextEncoder } from '@whatwg-node/fetch';
import { handleMaybePromise } from '@whatwg-node/promise-helpers';
export function hashSHA256(text) {
    const inputUint8Array = new TextEncoder().encode(text);
    return handleMaybePromise(() => crypto.subtle.digest({ name: 'SHA-256' }, inputUint8Array), arrayBuf => {
        const outputUint8Array = new Uint8Array(arrayBuf);
        let hash = '';
        for (let i = 0, l = outputUint8Array.length; i < l; i++) {
            const hex = outputUint8Array[i].toString(16);
            hash += '00'.slice(0, Math.max(0, 2 - hex.length)) + hex;
        }
        return hash;
    });
}