SMRTR ProgrammingDec 1, 2025Hacker News

Ghostty compiled to WASM with xterm.js API compatibility

SMRTR summary

Ghostty-web brings Ghostty's VT100 terminal emulation to the browser via WASM compilation, offering an xterm.js-compatible API. The library addresses fundamental issues in xterm.js like complex script rendering and missing escape sequence support by using the same battle-tested code from the native Ghostty app. At ~400KB with zero runtime dependencies, it provides a drop-in replacement for web terminals.

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