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runDialog: catch the case where no completion is available

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Just return null, instead of failing with an exception later trying to
call substr() on null.

https://bugzilla.gnome.org/show_bug.cgi?id=735062
This commit is contained in:
Cosimo Cecchi 2014-08-13 15:13:20 -07:00 committed by Cosimo Cecchi
parent d0fe1211f2
commit d54efe0838
1 changed files with 4 additions and 0 deletions
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4
js/ui/runDialog.js
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@ -182,6 +182,10 @@ const RunDialog = new Lang.Class({
let results = someResults.reduce(function(a, b) { let results = someResults.reduce(function(a, b) {
return a.concat(b); return a.concat(b);
}, []); }, []);
if (!results.length)
return null;
let common = results.reduce(_getCommon, null); let common = results.reduce(_getCommon, null);
return common.substr(text.length); return common.substr(text.length);
}, },