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lib-vt: Wasm SGR helpers and example (#9362)

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This adds some convenience functions for parsing SGR sequences
WebAssembly and adds an example demonstrating SGR parsing in the
browser.
This commit is contained in:
Mitchell Hashimoto
2025-10-26 13:19:55 -07:00
committed by GitHub
parent 19d1377659
commit 7d7c0bf5cd
11 changed files with 759 additions and 59 deletions
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4
example/wasm-key-encode/index.html
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@@ -458,7 +458,7 @@
// Set UTF-8 text from the key event (the actual character produced)
if (event.key.length === 1) {
const utf8Bytes = new TextEncoder().encode(event.key);
const utf8Ptr = wasmInstance.exports.ghostty_wasm_alloc_buffer(utf8Bytes.length);
const utf8Ptr = wasmInstance.exports.ghostty_wasm_alloc_u8_array(utf8Bytes.length);
new Uint8Array(getBuffer()).set(utf8Bytes, utf8Ptr);
wasmInstance.exports.ghostty_key_event_set_utf8(eventPtr, utf8Ptr, utf8Bytes.length);
}
@@ -477,7 +477,7 @@
const required = new DataView(getBuffer()).getUint32(requiredPtr, true);
const bufPtr = wasmInstance.exports.ghostty_wasm_alloc_buffer(required);
const bufPtr = wasmInstance.exports.ghostty_wasm_alloc_u8_array(required);
const writtenPtr = wasmInstance.exports.ghostty_wasm_alloc_usize();
const encodeResult = wasmInstance.exports.ghostty_key_encoder_encode(
encoderPtr, eventPtr, bufPtr, required, writtenPtr