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node_modules/mongoose/lib/helpers/query/selectPopulatedFields.js
62 строки
2 KB
dima
2
13 дек 2025, 10:58
13 дек 2025, 10:58
ce5a48e
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О чём код?
'use strict'; const isExclusive = require('../projection/isExclusive'); const isInclusive = require('../projection/isInclusive'); /*! * ignore */ module.exports = function selectPopulatedFields(fields, userProvidedFields, populateOptions) { if (populateOptions == null) { return; } const paths = Object.keys(populateOptions); userProvidedFields = userProvidedFields || {}; if (isInclusive(fields)) { for (const path of paths) { if (!isPathInFields(userProvidedFields, path)) { fields[path] = 1; } else if (userProvidedFields[path] === 0) { delete fields[path]; } const refPath = populateOptions[path]?.refPath; if (typeof refPath === 'string') { if (!isPathInFields(userProvidedFields, refPath)) { fields[refPath] = 1; } else if (userProvidedFields[refPath] === 0) { delete fields[refPath]; } } } } else if (isExclusive(fields)) { for (const path of paths) { if (userProvidedFields[path] == null) { delete fields[path]; } const refPath = populateOptions[path]?.refPath; if (typeof refPath === 'string' && userProvidedFields[refPath] == null) { delete fields[refPath]; } } } }; /*! * ignore */ function isPathInFields(userProvidedFields, path) { const pieces = path.split('.'); const len = pieces.length; let cur = pieces[0]; for (let i = 1; i < len; ++i) { if (userProvidedFields[cur] != null || userProvidedFields[cur + '.$'] != null) { return true; } cur += '.' + pieces[i]; } return userProvidedFields[cur] != null || userProvidedFields[cur + '.$'] != null; }