blake3-wasm/esm/browser/encoding.js

BLAKE3 hashing for JavaScript: WebAssembly bindings only

// A small collection of encodings for convenience of use in the browser.
const decoder = new TextDecoder();
const encoders = {
    // certainly not the fastest, but hashes are pretty small
    base64: (data) => btoa(String.fromCharCode(...data)),
    hex: (data) => {
        let out = '';
        for (const byte of data) {
            if (byte < 0x10) {
                out += '0';
            }
            out += byte.toString(16);
        }
        return out;
    },
    utf8: (data) => decoder.decode(data),
};
/**
 * @hidden
 */
export const mustGetEncoder = (encoding) => {
    const encoder = encoders[encoding];
    if (!encoder) {
        throw new Error(`Unknown encoding ${encoding}`);
    }
    return encoder;
};
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