Integrate ELK in a simple Sprotty diagram.

[PatrikN-work]

Trying to figure out how to integrate ELK in a simple Sprotty diagram.

I'm using yo to generate a sprotty project and then I'm "retrofitting" elk by looking at the random-graph example: https://github.com/eclipse-sprotty/sprotty/blob/master/examples/random-graph/src/di.config.ts

My changes are hightlighted:

However I'm getting this error:

Shape here I suppose is the same as view?

What am I missing?

[spoenemann]

It looks like you have an edge where the sourceId or targetId does not exist in the graph. I'm wondering whether we should validate this when we transform the SGraph into an ELK graph:

sprotty/packages/sprotty-elk/src/elk-layout.ts

Lines 169 to 174 in 55f6b05

	const elkEdge: ElkExtendedEdge = {
	id: sedge.id,
	sources: [sedge.sourceId],
	targets: [sedge.targetId],
	layoutOptions: this.configurator.apply(sedge, index)
	};