codec-bytes/ascii

import ASCIIDecodeError from './ASCIIDecodeError.js';
import byte2char from './byte2char.js';

export default function* _decode(bytes, _options = null) {
    let start = 0;

    for (const b of bytes) {
        if (b < 0x00 || b > 0x7f) {
            const reason = `byte out of range 0x00 <= ${b} <= 0x7F`;
            const object = bytes;
            const position = {start, end: start + 1};
            throw new ASCIIDecodeError(reason, object, position);
        }

        yield byte2char[b];

        ++start;
    }
}