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34 lines
1.0 KiB
34 lines
1.0 KiB
3 months ago
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'use strict';
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/**
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* Set a populated virtual value on a document's `$$populatedVirtuals` value
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*
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* @param {*} populatedVirtuals A document's `$$populatedVirtuals`
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* @param {*} name The virtual name
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* @param {*} v The result of the populate query
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* @param {*} options The populate options. This function handles `justOne` and `count` options.
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* @returns {Array<Document>|Document|Object|Array<Object>} the populated virtual value that was set
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*/
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module.exports = function setPopulatedVirtualValue(populatedVirtuals, name, v, options) {
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if (options.justOne || options.count) {
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populatedVirtuals[name] = Array.isArray(v) ?
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v[0] :
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v;
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if (typeof populatedVirtuals[name] !== 'object') {
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populatedVirtuals[name] = options.count ? v : null;
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}
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} else {
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populatedVirtuals[name] = Array.isArray(v) ?
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v :
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v == null ? [] : [v];
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populatedVirtuals[name] = populatedVirtuals[name].filter(function(doc) {
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return doc && typeof doc === 'object';
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});
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}
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return populatedVirtuals[name];
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};
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