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32 lines
744 B
JavaScript
32 lines
744 B
JavaScript
10 months ago
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'use strict';
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const get = require('../get');
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const mpath = require('mpath');
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const parseProjection = require('../projection/parseProjection');
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/*!
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* ignore
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*/
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module.exports = function removeDeselectedForeignField(foreignFields, options, docs) {
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const projection = parseProjection(get(options, 'select', null), true) ||
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parseProjection(get(options, 'options.select', null), true);
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if (projection == null) {
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return;
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}
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for (const foreignField of foreignFields) {
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if (!projection.hasOwnProperty('-' + foreignField)) {
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continue;
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}
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for (const val of docs) {
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if (val.$__ != null) {
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mpath.unset(foreignField, val._doc);
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} else {
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mpath.unset(foreignField, val);
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}
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}
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}
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};
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