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Browser ESM build contains references to process which is undefined in browser #3191

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piotrekbator opened this issue May 21, 2024 · 0 comments
Open

Browser ESM build contains references to process which is undefined in browser #3191

piotrekbator opened this issue May 21, 2024 · 0 comments
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bug needs triage

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@piotrekbator
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Current behavior:

When using the dist/emotion-serialize.browser.esm.js file available in the @emotion/serialize npm package in the browser (via CDN: https://ga.jspm.io/npm:@emotion/serialize@1.1.4/dist/emotion-serialize.esm.js in my case) I get a "ReferenceError: process is not defined". This is due to this file including some checks on node's process which is unavailable in the browser.

To reproduce:

Save this as a HTML file. After opening it in the browser, you'll see the error in the Console:

<!DOCTYPE html>
<html lang="en">
<head>
  <script type="importmap">{
    "imports": {
      "@emotion/hash": "https://ga.jspm.io/npm:@emotion/hash@0.9.1/dist/emotion-hash.esm.js",
      "@emotion/memoize": "https://ga.jspm.io/npm:@emotion/memoize@0.8.1/dist/emotion-memoize.esm.js",
      "@emotion/serialize": "https://ga.jspm.io/npm:@emotion/serialize@1.1.4/dist/emotion-serialize.browser.esm.js",
      "@emotion/unitless": "https://ga.jspm.io/npm:@emotion/unitless@0.8.1/dist/emotion-unitless.esm.js"    }
  }</script>

  <script type="module">
    import { serializeStyles } from "@emotion/serialize";
  </script>
</head>
<body></body>
</html>

Expected behavior:

Just loading the file should not produce any JS errors.
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@piotrekbator