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Code to allow building gap to WASM using Emscripten.
Files:
- `build.sh`: Run as `etc/emscripten/build.sh` from a fresh copy of GAP.
Note that this built copy has one major weakness -- the 'gap.data' (which includes all packages files) is huge.
- `web-template`: Uses 'xterm-pty' to create a "nice" interface to the Wasm GAP.
See 'run-web-demo.sh' as an example on how to set up a working website.
Note that this demo uses xterm-pty, a library which provides a terminal interface
for emscripten-compiled programs. This uses a javascript feature called
"SharedArrayBuffer", which requires some headers are returned by the server:
```
Cross-Origin-Opener-Policy: same-origin
Cross-Origin-Embedder-Policy: require-corp
```
For more details, see for [this article](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer).
The file "coi-serviceworker.js" works around this problem on Github pages. This won't
work locally, so "server.rb" is a simple ruby script, which just starts a web-server
which returns the required headers.
[ Dauer der Verarbeitung: 0.4 Sekunden
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2026-03-28
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