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Fix performance regression on large documents

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Joe Cheng 2011-04-21 09:44:48 -07:00 • committed by Fabian Jakobs
commit 82e8ae5a49
1 changed files with 4 additions and 0 deletions
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4
lib/ace/edit_session.js
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@ -1277,7 +1277,11 @@ var EditSession = function(text, mode) {
return screenRows; return screenRows;
} }
// For every keystroke this gets called once per char in the whole doc!!
// Wouldn't hurt to make it a bit faster for c >= 0x1100
function isFullWidth(c) { function isFullWidth(c) {
if (c < 0x1100)
return false;
return c >= 0x1100 && c <= 0x115F || return c >= 0x1100 && c <= 0x115F ||
c >= 0x11A3 && c <= 0x11A7 || c >= 0x11A3 && c <= 0x11A7 ||
c >= 0x11FA && c <= 0x11FF || c >= 0x11FA && c <= 0x11FF ||