refactoring files

.gitignore

@@ -1,6 +1,6 @@
 .DS_Store
-node_modules/
-package-lock.json
-dist/
+web/node_modules/
+web/package-lock.json
+web/dist/
 examples/*.json
 examples/*.html

.vscode/launch.json

@@ -19,7 +19,7 @@
       "name": "test index.html",
       "request": "launch",
       "type": "chrome",
-      "url": "http://localhost:5501",
+      "url": "http://localhost:5501/web/",
       "webRoot": "${workspaceFolder}"
     },
     {

README.md

@@ -1,6 +1,10 @@
 # pySELL
 
-Re-implementation of the essentials of the Simple E-Learning Language (SELL) for Longevity.
+The Python based Simple E-Learning Language (SELL).
+
+Push interactive STEM tasks to the web.
+
+<!--Re-implementation of the essentials of the Simple E-Learning Language (SELL) for Longevity.-->
 
 ## Dependencies
 
@@ -20,7 +24,7 @@ _A short developer guide can be found at the end of this document._
 
 The following example code generates some questions, as seen in the figure and available for testing [here](https://andreas-schwenk.github.io/pysell/ex1.html).
 
-![](docs/example.png)
+![](docs/example.jpg)
 
 Command:
 

build.py

@@ -0,0 +1,17 @@
+"""
+This script is only intended for pySELL development. 
+Users just use file 'sell.py'
+"""
+
+import subprocess
+
+try:
+    res = subprocess.run(["npm", "install"], cwd="web")
+    res = subprocess.run(["node", "build.js"], cwd="web")
+except Exception as e:
+    print(e)
+    print("pySELL dependencies: npm+nodejs")
+    print("          https://www.npmjs.com, https://nodejs.org/")
+    print("          https://nodejs.org/en/download/package-manager")
+    print("[Debian]  sudo apt install nodejs npm")
+    print("[macOS]   brew install node")

sell.py

@@ -1,6 +1,8 @@
 #!/usr/bin/env python3
 
-"""SELL - Simple E-Learning Language
+"""
+pySELL - Python based Simple E-Learning Language
+         Push interactive STEM tasks to the web
 AUTHOR:  Andreas Schwenk <mailto:[email protected]>
 LICENSE: GPLv3
 """

build.js → web/build.js

@@ -12,6 +12,8 @@ esbuild.buildSync({
   outfile: "dist/sell.min.js",
 });
 
+process.exit(0);
+
 // build html template and update sell.py
 let lines = fs.readFileSync("index.html", "utf-8").split("\n");
 let js = fs.readFileSync("dist/sell.min.js", "utf-8").trim();

index.html → web/index.html

@@ -158,7 +158,7 @@ <h1 id="debug" class="debugCode" style="display: none">DEBUG VERSION</h1>
       import { init } from "./src/index.js";
       // create json file via
       //   python3 sell.py -J examples/ex1.txt
-      fetch("examples/ex1.json?v=" + Date.now())
+      fetch("../examples/ex1.json?v=" + Date.now())
         .then((data) => data.json())
         .then((quizSrc) => {
           let debug = true;