Add anchors to mxGraph

问题

I run an Angular7 project in typescript and I'm trying to use mxGraph through typing.

I found this typing project from github which is the most up to date I found

Now I'm trying to add anchors to the vertices but unsuccessfully.

From this example I should do this :

mxShape.prototype.constraints = [new mxConnectionConstraint(new mxPoint(0.25, 0), true), ...]);

But Visual Studio is telling me that constraints does not exist on type mxShape.

I know for a fact the the typing is not fully updated so I checked in mxClient.js file and there is no constraints whatsoever for mxShape.

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What am I missing ? Do anyone have an idea ?

来源：https://stackoverflow.com/questions/57660955/add-anchors-to-mxgraph