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Move return earlier

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This commit is contained in:
zeertzjq
2026-05-11 14:11:28 +08:00
parent b0f5bc2d28
commit e0add7fe4b
1 changed files with 25 additions and 26 deletions
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src/common/input/KittyKeyboard.ts
+25 -26
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@@ -471,34 +471,33 @@ export class KittyKeyboard {
return result;
}
// Special handling for Enter/Tab/Backspace.
const specialKey = keyCode === 13 || keyCode === 9 || keyCode === 127;
// Per spec, Enter/Tab/Backspace will not have release events unless "Report all keys as escape
// codes" is also set.
if (specialKey && eventType === KittyKeyboardEventType.RELEASE && !(flags & KittyKeyboardFlags.REPORT_ALL_KEYS_AS_ESCAPE_CODES)) {
return result;
}
const isFunc = this._functionalKeyCodes[ev.key] !== undefined || this._getNumpadKeyCode(ev) !== undefined;
let useCsiU = false;
if (flags & KittyKeyboardFlags.REPORT_ALL_KEYS_AS_ESCAPE_CODES) {
useCsiU = true;
} else if (reportEventTypes && eventType === KittyKeyboardEventType.RELEASE) {
// Per spec, Enter/Tab/Backspace will not have release events unless "Report all keys as
// escape codes" (which is handled by the branch above) is also set.
if (keyCode === 13 || keyCode === 9 || keyCode === 127) {
return result;
}
useCsiU = true;
} else if (flags & KittyKeyboardFlags.DISAMBIGUATE_ESCAPE_CODES) {
// Per spec, Enter/Tab/Backspace "still generate the same bytes as in legacy
// mode" and consider space to be a text-generating key, so these skip the isFunc fast-path
// and only get CSI u when modifiers are present (handled below).
const isDisambiguateLegacy = keyCode === 13 || keyCode === 9 || keyCode === 127;
if (isFunc && !isDisambiguateLegacy) {
useCsiU = true;
} else if (modifiers > 0) {
if (ev.shiftKey && !ev.ctrlKey && !ev.altKey && !ev.metaKey && ev.key.length === 1) {
useCsiU = false;
} else {
useCsiU = true;
}
}
}
const useCsiU = !!(
flags & KittyKeyboardFlags.REPORT_ALL_KEYS_AS_ESCAPE_CODES ||
(reportEventTypes && eventType === KittyKeyboardEventType.RELEASE) ||
(flags & KittyKeyboardFlags.DISAMBIGUATE_ESCAPE_CODES &&
(
// Per spec, Enter/Tab/Backspace "still generate the same bytes as in legacy mode" and
// consider space to be a text-generating key, so these skip the isFunc fast-path and only
// get CSI u when modifiers are present (handled below).
(isFunc && !specialKey) ||
(
(modifiers > 0 && ev.key.length !== 1) ||
modifiers - 1 > KittyKeyboardModifiers.SHIFT
)
)
)
);
if (useCsiU) {
result.key = this._buildCsiUSequence(ev, keyCode, modifiers, eventType, flags, isFunc, isMod);