Is it possible to pretty-print the Graphviz / dot output (including HTML inside)?

fuelen / ecto_erd

A mix task for generating Entity Relationship Diagram from Ecto schemas available in your project.

Apache License 2.0

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Is it possible to pretty-print the Graphviz / dot output (including HTML inside)? #5

Closed nivertech closed 2 years ago

nivertech commented 2 years ago

Usecase: I have a Github Action which runs ecto_erd on each merged PR. That way I can see clear diffs in ecto schemas and whether this PR changed schemas at all. It's easy to pretty-print Graphviz DSL, but unfortunatelly the HTML inside is still one big unformulated blob.

Two ways to pretty-print Graphviz:

nop http://myfile.dot (https://graphviz.org/pdf/nop.1.pdf)
dot -Tcanon http://myfile.dot (https://graphviz.org/docs/outputs/canon/)

fuelen commented 2 years ago

hey @nivertech I'm afraid that formatting HTML is not really possible, as HTML engine in Graphviz is sensitive to multiple spaces