42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
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'use strict';
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const utils = require('../../utils');
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/*!
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* If populating a path within a document array, make sure each
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* subdoc within the array knows its subpaths are populated.
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*
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* ####Example:
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* const doc = await Article.findOne().populate('comments.author');
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* doc.comments[0].populated('author'); // Should be set
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*/
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module.exports = function markArraySubdocsPopulated(doc, populated) {
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if (doc._id == null || populated == null || populated.length === 0) {
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return;
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}
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const id = String(doc._id);
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for (const item of populated) {
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if (item.isVirtual) {
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continue;
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}
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const path = item.path;
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const pieces = path.split('.');
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for (let i = 0; i < pieces.length - 1; ++i) {
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const subpath = pieces.slice(0, i + 1).join('.');
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const rest = pieces.slice(i + 1).join('.');
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const val = doc.get(subpath);
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if (val == null) {
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continue;
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}
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if (utils.isMongooseDocumentArray(val)) {
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for (let j = 0; j < val.length; ++j) {
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val[j].populated(rest, item._docs[id] == null ? void 0 : item._docs[id][j], item);
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}
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break;
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}
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}
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}
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};
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