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Request only a single JS bundle from index.ts #931

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merged 1 commit into from
Jun 19, 2024

Commits on Jun 19, 2024

  1. Request only a single JS bundle from index.ts

    We introduce a new `indexDelayed.ts` file that bundles all the imports
    that are used in the `index.ts` file. They are not imported directly
    there, because we want to keep the size of the `index.html` as small as
    possible, so it can focus on requesting the WASM file as soon as
    possible. This should result in the `indexDelayed.ts` bundle containing
    basically all the JS. This JS bundle and the WASM file should then be
    requested in parallel. While it would be possible to request these all
    individually over in the `index.ts`, browsers don't actually like doing
    too many requests in parallel and it turns out that big JavaScript files
    actually compress better than having many small ones. The WASM file also
    is pretty big, so ideally we are not bottlenecked by the large JS file.
    If necessary, we could do some more bundle splitting for stuff that
    isn't used until much later, like the Markdown library.
    CryZe committed Jun 19, 2024
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