3 examples of 'mongodb query array of objects' in JavaScript

87
function queryByObject(collection, query) {
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	var keys = Object.keys(query);
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	// Match properties of query against objects in the collection.
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	return keys.length === 0 ?
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		collection.slice() :
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		collection.filter(function(object) {
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			return queryObject(object, query, keys);
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		}) ;
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}

49
async findManyById(ids: string[]): Promise<DOC[]> {
50
  const collection = await this.collection;
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  const found = await collection.find({ _id: { $in: ids.map(id => new ObjectID(id)) } }).toArray();
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  const results: DOC[] = [];
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  for (const result of found) {
55
    results.push(await this.invokeEvents(POST_KEY, ['find', 'findMany'], this.toggleId(result, false)));
56
  }
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  return results;
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}

555
private _queryOnObjects(objects: CoatyObject | CoatyObject[] | Uuid | Uuid[], text: string): Promise<Uuid[]> {
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    const values = this._getQueryValuesOnObjects(objects);
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    if (values.length === 0) {
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        return Promise.resolve([]);
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    }
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    return this._getQueryable().query(text, values).then(result => result.rows.map(row => row.objectid));
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}