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TypeScript strictNullChecks


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In my tsconfig.json I have "strictNullChecks": true

That won't let me have something like:

function unsetParent(mesh: AbstractMash) {

Error    TS2345    (TS) Argument of type 'null' is not assignable to parameter of type 'AbstractMesh'.
I didn't see a tsconfig in BabylonJS project.  Seems like it should be setParent(mesh: AbstractMesh | null){...}? Or is it just not support to have strictNullChecks.

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