@tjcrowder,
Sorry, there is no official TypeScript type definition for CanvasJS as of now. However, this feature is there in our roadmap but no definite timeline yet as we are working on some other important features at this point in time.
You really shouldn’t include node_modules in zips like that.
Thanks for the suggestion. We have provided node_modules for the ease of the user to run the sample.
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Manoj Mohan
Team CanvasJS