How to use plantuml-core.jar.js

There are several way to generate diagrams with plantuml-core.jar.js.

Whatever the method you will be used, you have to first initialize cheerpjInit and the PlantUML library:

First, you call cheerpjInit({ preloadResources: _runtimeResources() }) like for any CheerpJ project
Then you load the PlantUML library await cheerpjRunMain("com.plantuml.wasm.RunInit", ${cheerpjPath}/plantuml-core.jar, ${cheerpjPath}/...)

You can choose your prefered way.

PNG Generation

Using this method, plantuml-core.jar.js will create a blob containing PNG compressed data.

You just have to call com.plantuml.wasm.Utils.convertPng method with two argument:

package com.plantuml.wasm;

public class Utils {
   
	public static int convertPng(String pathOut, String text) throws IOException {
  ...

pathOut is the file path when PlantUML should write the PNG data (for example /files/result.png)
text is simply the text of the diagram, starting by @startsomething.

TO BE DONE

TO BE DONE

TO BE DONE