Gather every human-readable string attached to an error into one blob for matching.
depth bounds the walk so a self-referential error object (which GraphQL clients do produce — err.error === err) cannot spin here.
depth
err.error === err
Gather every human-readable string attached to an error into one blob for matching.
depthbounds the walk so a self-referential error object (which GraphQL clients do produce —err.error === err) cannot spin here.