Maxime Beauchemin 81817309d3 [sql lab] fix sluggish backspace in editor (#3286) ...

Somehow Ace's "changeSelection" event is triggered when hitting
backspace (and shouldn't!).

changeSelection on our side triggers enough work to make the
holding backspace sluggish and laggy.

This fix ignores selection with a length of 1, avoiding mutating the
state altogether when hitting/holding backspace.

2017-08-14 17:55:30 -07:00

4.1 KiB

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