add hide-empty-text option to hide module whenever output is empty but format is not
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@ -162,7 +162,7 @@ auto waybar::modules::Custom::update() -> void {
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auto str = fmt::format(fmt::runtime(format_), text_, fmt::arg("alt", alt_),
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fmt::arg("icon", getIcon(percentage_, alt_)),
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fmt::arg("percentage", percentage_));
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if (str.empty()) {
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if ((config_["hide-empty-text"].asBool() && text_.empty()) || str.empty()) {
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event_box_.hide();
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} else {
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label_.set_markup(str);
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