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¿Por qué establecer la propiedad como un trabajo constante en mongo mongoose pero no solo el método que obtiene el valor?

Estoy tratando de actualizar algún valor en mi base de datos usando python y mongoose (biblioteca de envoltura mongo). El valor que intento actualizar está contenido en una matriz (nombre de archivo).

método completo

 module.exports.updateCampground = async (req, res) => { const { id } = req.params; const campground = await Campground.findByIdAndUpdate(id, { ...req.body.campground }); const imgs = req.files.map(f => ({ url: f.path, filename: f.filename })); campground.images.push(...imgs); await campground.save(); if (req.body.deleteImages) { for (let filename of req.body.deleteImages) { //logs cloudinary conataining uploader, still uploader is undefined console.log(cloudinary,cloudinary.uploader); await cloudinary.uploader.destroy(filename); } await campground.updateOne({ $pull: { images: { filename: { $in: req.body.deleteImages } } } }) } req.flash('success', 'Successfully updated campground!'); res.redirect(`/campgrounds/${campground._id}`) };

Esto funciona

 const deleteImg = req.body.deleteImages await campground.updateOne({ $pull: { images: { filename: { $in: deleteImg } } } })

y elimina el elemento, sin embargo, cuando hago esto, no lo hace

 await campground.updateOne({ $pull: { images: { filename: { $in: req.body.deleteImages } } } })

¿Por qué necesito el const para trabajar? ¿Es algo de javascript?

about 4 years ago · Juan Pablo Isaza
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