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36 lines
847 B
JavaScript
36 lines
847 B
JavaScript
10 months ago
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'use strict';
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const utils = require('../../utils');
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const keysToSkip = new Set(['__index', '__parentArray', '_doc']);
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/**
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* Using spread operator on a Mongoose document gives you a
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* POJO that has a tendency to cause infinite recursion. So
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* we use this function on `set()` to prevent that.
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*/
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module.exports = function handleSpreadDoc(v, includeExtraKeys) {
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if (utils.isPOJO(v) && v.$__ != null && v._doc != null) {
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if (includeExtraKeys) {
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const extraKeys = {};
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for (const key of Object.keys(v)) {
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if (typeof key === 'symbol') {
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continue;
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}
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if (key[0] === '$') {
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continue;
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}
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if (keysToSkip.has(key)) {
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continue;
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}
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extraKeys[key] = v[key];
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}
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return { ...v._doc, ...extraKeys };
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}
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return v._doc;
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}
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return v;
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};
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