5 examples of 'findone mongodb nodejs' in JavaScript

51
async dbFind(db, id) {
52
  return await conn.collection(db).findOne(
53
      id
54
  );
55
}

127
async findOne(collectionName: string, query, fields = {}, options = {}): Promise<IResult> {
128
  const collection = await this.getCollenction(collectionName);
129
  options = Object.assign({}, options, { projection: fields });
130
  return await collection.findOne(query, options);
131
}

82
findOne(collection, query) {
83
    var that = this;
84
    query = castQueryIds(query);
85
    return new Promise(function(resolve, reject) {
86
        var db = that._mongo.collection(collection);
87
        db.findOne(query, function (error, doc) {
88
            if (error) return reject(error);
89
            return resolve(doc);
90
        });
91
    });
92
}

61
public async findOneById(id: string): Promise<any> {
62
  const filteredData = await this.db.collection(this.collectionName)
63
    .find({ id })
64
    .project({ _id: 0 })
65
    .toArray();
66
  return first(filteredData);
67
}

88
function findOne<T>(db: Nedb, query: object): Promise<Maybe<T>> {
89
  return new Promise((resolve, reject) => {
90
    db.findOne<T>(query, (error, doc) => {
91
      if (error) {
92
        return reject(
93
          `An error happened whiling handling findOne: ${query} - ${error}`
94
        );
95
      }
96
      if (doc) {
97
        resolve(doc as T);
98
      } else {
99
        resolve(null);
100
      }
101
    });
102
  });
103
}