Mongoose query conditionally exclude fields

I have a query which excludes fields; however, I’d only like to exclude them if they are empty. Currently I have: var query = Recipe.find({'sites': site}) .select('-data.coupons'); I would like to only exclude the selected field '-data.coupons' if it matches this condition: .where({ 'data.coupons': {$exists: true, $not: {$size: 0}} }); Is there a way to […]

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