@gmod/cram/esm/seek-bzip/stream.js

read CRAM files with pure Javascript

// @ts-nocheck
export default class Stream {
    readByte() {
        throw new Error('abstract method readByte() not implemented');
    }
    read(buffer, bufOffset, length) {
        let bytesRead = 0;
        while (bytesRead < length) {
            const c = this.readByte();
            if (c < 0) {
                // EOF
                return bytesRead === 0 ? -1 : bytesRead;
            }
            buffer[bufOffset++] = c;
            bytesRead++;
        }
        return bytesRead;
    }
    writeByte(_byte) {
        throw new Error('abstract method readByte() not implemented');
    }
    seek(new_pos) {
        throw new Error('abstract method seek() not implemented');
    }
    write(buffer, bufOffset, length) {
        let i;
        for (i = 0; i < length; i++) {
            this.writeByte(buffer[bufOffset++]);
        }
        return length;
    }
    flush() { }
}
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