Method _treeDepth

packages/alphatab/src/zip/HuffTools.ts:114–127

(t: Huffman)

    }

    private static _treeDepth(t: Huffman): number {
        if (t instanceof Found) {
            return 0;
        }
        if (t instanceof NeedBits) {
            throw new FormatError('assert');
        }
        if (t instanceof NeedBit) {
            const da: number = HuffTools._treeDepth(t.left);
            const db: number = HuffTools._treeDepth(t.right);
            return 1 + (da < db ? da : db);
        }
        return 0;
    }
}