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NarrativeFlow / static /node_modules /mongoose /lib /helpers /populate /removeDeselectedForeignField.js
| ; | |
| const get = require('../get'); | |
| const mpath = require('mpath'); | |
| const parseProjection = require('../projection/parseProjection'); | |
| /*! | |
| * ignore | |
| */ | |
| module.exports = function removeDeselectedForeignField(foreignFields, options, docs) { | |
| const projection = parseProjection(get(options, 'select', null), true) || | |
| parseProjection(get(options, 'options.select', null), true); | |
| if (projection == null) { | |
| return; | |
| } | |
| for (const foreignField of foreignFields) { | |
| if (!projection.hasOwnProperty('-' + foreignField)) { | |
| continue; | |
| } | |
| for (const val of docs) { | |
| if (val.$__ != null) { | |
| mpath.unset(foreignField, val._doc); | |
| } else { | |
| mpath.unset(foreignField, val); | |
| } | |
| } | |
| } | |
| }; | |