fix(createTestServer): fix the .js MIME type
#27
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The proper MIME type for JavaScript files is "text/javascript", not "application/javascript". Even though "application/javascript" is on the list of JavaScript MIME types: https://mimesniff.spec.whatwg.org/#javascript-mime-type per: https://html.spec.whatwg.org/multipage/scripting.html#scriptingLanguages > Servers should use text/javascript for JavaScript resources, in accordance > with Updates to ECMAScript Media Types. Servers should not use other > JavaScript MIME types for JavaScript resources "Updates to ECMAScript Media Types" is the following RFC: https://www.rfc-editor.org/rfc/rfc9239 In section "2. Compatibility" it says: > The most widely supported media type in use is text/javascript; all others > are considered historical and obsolete aliases of text/javascript.
timmywil
approved these changes
Dec 1, 2025
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The proper MIME type for JavaScript files is "text/javascript", not "application/javascript". Even though "application/javascript" is on the list of JavaScript MIME types:
https://mimesniff.spec.whatwg.org/#javascript-mime-type per:
https://html.spec.whatwg.org/multipage/scripting.html#scriptingLanguages
"Updates to ECMAScript Media Types" is the following RFC: https://www.rfc-editor.org/rfc/rfc9239
In section "2. Compatibility" it says: