Syntax error when drawing arrow (in graph) from a subgraph to same subgraph

[zgornel]

Description

Syntax error inside graph arrows when the source and destination point to the same subgraph

Steps to reproduce

1. Copy and paste the code sample into the live editor

Screenshots

No response

Code Sample

graph LR;
    subgraph KB
        f_id0["a"]
        f_id1["b"]
    end
    KB-->KB

Setup

• Mermaid version:10.6.1
• Browser and Version: [Firefox]

Suggested Solutions

No response

Additional Context

No response

[jgreywolf]

Looks like the error is related to cloning and setting the curve type to basis?

Failed to execute 'structuredClone' on 'Window': function curveBasis(t){return new Basis(t)} could not be cloned.