support optional setlistener() arg to fire callback function initially;
copy arg checking from interpolate()
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1 changed files with 5 additions and 2 deletions
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@ -66,10 +66,13 @@ interpolate = func {
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##
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# Convenience wrapper for the _setlistener function. Takes a
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# single string or props.Node object in arg[0] indicating the
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# listened to property, and a function in arg[1].
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# listened to property, a function in arg[1], and an optional
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# bool in arg[2], which triggers the function initially if true.
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#
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setlistener = func {
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_setlistener(isa(arg[0], props.Node) ? arg[0]._g : arg[0], arg[1]);
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if(isa(arg[0], props.Node)) { arg[0] = arg[0]._g; }
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elsif(typeof(arg[0]) != "scalar") { return; }
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_setlistener(arg[0], arg[1], size(arg) > 2 ? arg[2] : 0);
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}
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