blake3-wasm/esm/browser/hash-instance.js

BLAKE3 hashing for JavaScript: WebAssembly bindings only

import { getWasm, HashRaw, inputToArray, WasmHasher, } from '@c4312/blake3-internal';
import { mustGetEncoder } from './encoding.js';
import { Hash } from './hash.js';
/**
 * @inheritdoc
 */
export class BrowserHasher extends WasmHasher {
    alloc(n) {
        return new Hash(n);
    }
    /**
     * @inheritdoc
     * @override
     */
    update(data) {
        return super.update(inputToArray(data));
    }
    digest(encoding, options) {
        let resolvedOpts;
        let resolvedEnc;
        if (encoding && typeof encoding === 'object') {
            resolvedOpts = encoding;
            resolvedEnc = undefined;
        }
        else {
            resolvedOpts = options;
            resolvedEnc = encoding;
        }
        const result = super.digest(resolvedOpts);
        return resolvedEnc ? mustGetEncoder(resolvedEnc)(result) : result;
    }
}
/**
 * A Node.js crypto-like createHash method.
 */
export const createHash = () => new BrowserHasher(getWasm(), HashRaw.default());
/**
 * A Node.js crypto-like createHash method.
 */
export const createKeyed = (key) => new BrowserHasher(getWasm(), HashRaw.keyed(inputToArray(key)));
/**
 * Construct a new Hasher for the key derivation function.
 */
export const createDeriveKey = (context) => new BrowserHasher(getWasm(), HashRaw.derive(inputToArray(context)));
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