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A comment on Show HN: Nocterm – Flutter-inspired TUI framework with hot reload (Dart). Parent comment

Re:Show HN: Nocterm – Flutter-inspired TUI framework with ho... by ugotsta on Wednesday February 04, 2026 @06:09PM (#46893226)
That's what it was! I really, really wanted to use Dart because I love Flutter (only ever used it through FlutterFlow and was duly impressed) but I couldn't get around the binary size, mainly because I'm supporting WASM as a backend so it needs tiny binaries.

How did you handle the WASM backend? That part was extremely impressive to me. But aren't the binaries practically too large for WASM?

In any case, really love what you're doing and will be following progress. Outstanding work!

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Re:Show HN: Nocterm – Flutter-inspired TUI framework with ho... by norbert515 on Wednesday February 04, 2026 @06:27PM (#46893421)
I haven't actually tried WASM yet. The demo on the landing page is using Dart transpiled to JS (embedded in xterm.js). But Dart does also support compiling to WASM directly, I'll give it a try tomorrow and let you know about the stats!
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Re:Show HN: Nocterm – Flutter-inspired TUI framework with ho... by norbert515 on Friday February 06, 2026 @11:48AM (#46915128)
Compiling to WASM is a huge reduction in size (as we don't need to ship a runtime etc. ourselfes anymore), but that requires some browser runtime. Dart specifically doesn't support standalone WASM (outside of the JS/browser context) yet.

I was able to get a WASM binary as small as ~234 KiB!

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