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The “/esm” directory cannot load via a “module” import. #657

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theengineear opened this issue Oct 4, 2024 · 0 comments
Open

The “/esm” directory cannot load via a “module” import. #657

theengineear opened this issue Oct 4, 2024 · 0 comments

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@theengineear
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👋 — Hi there! I was hoping to be able to leverage rdflib to visualize some modeling problems I’m working on in a browser. However, when I went to get started, I couldn’t get it loading via the exported /esm scripts. E.g., this doesn’t work:

<!doctype html>
<html>
  <head>
    <meta charset="utf-8">
    <title>rdflib demo</title>
    <script type="module" src="https://www.unpkg.com/[email protected]/esm/index.js"></script>
  </head>
  <body></body>
</html>

This will complain about @babel not existing, but I don’t believe an import map declaration to map the @babel bare module specifier to a well-defined resolution destination will work… If you look in https://www.unpkg.com/[email protected]/esm/index.js, you’ll see lines like:

import _createClass from "@babel/runtime/helpers/createClass";

But …createClass isn’t a real thing. You can find …createClass.js (https://www.unpkg.com/@babel/[email protected]/helpers/createClass.js), but because there’s no .js, the browser tries to lookup (https://www.unpkg.com/@babel/[email protected]/helpers/createClass). And… that doesn’t exist.

In other words, this doesn’t really help to do the following:

<!doctype html>
<html>
  <head>
    <meta charset="utf-8">
    <title>rdflib demo</title>
    <script type="importmap">
      {
        "imports": {
          "@babel/runtime/": "https://www.unpkg.com/@babel/[email protected]/"
        }
      }
    </script>
    <script type="module" src="https://www.unpkg.com/[email protected]/esm/index.js"></script>
  </head>
  <body></body>
</html>

❤️ — Thanks for taking a look!
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@theengineear