pyscript/pyscriptjs/src/App.svelte

<script lang="ts">

  import Tailwind from "./Tailwind.svelte";
  import { loadInterpreter } from './interpreter';
  import { pyodideLoaded, loadedEnvironments, navBarOpen, componentsNavOpen, mode, scriptsQueue, initializers, postInitializers } from './stores';

  let iconSize = 2;
  let pyodideReadyPromise

  function bumpSize(evt){
    iconSize = 4;
  }

  function downSize(evt){
    iconSize = 2;
  }

  const initializePyodide = async () =>{
    // @ts-ignore
    pyodideReadyPromise = loadInterpreter();
    // @ts-ignore
    let newEnv = {
      'id': 'a',
      'promise': pyodideReadyPromise,
      'state': 'loading',
    }
    pyodideLoaded.set(pyodideReadyPromise);
    loadedEnvironments.update((value: any): any => {
      value[newEnv['id']] = newEnv;
    });

    let showNavBar = false;
    let main = document.querySelector("#main");
    navBarOpen.subscribe(value => {
        showNavBar = value;
    });

    // now we call all initializers before we actually executed all page scripts
    for (let initializer of $initializers){
      await initializer();
    }

    // now we can actually execute the page scripts if we are in play mode
    if ($mode == "play"){
      for (let script of $scriptsQueue) {
        script.evaluate();
      }
      scriptsQueue.set([]);
    }

    // now we call all post initializers AFTER we actually executed all page scripts
    for (let initializer of $postInitializers){
      initializer();
    }
  }

  function toggleComponentsNavBar(evt){
      componentsNavOpen.set(!$componentsNavOpen);
    }

</script>

<svelte:head>
	<script src="https://cdn.jsdelivr.net/pyodide/v0.19.0/full/pyodide.js" on:load={initializePyodide}></script>
</svelte:head>

<Tailwind />