I try to list all Collections like this in Node.js
const db = client.db(dbName);
const collections = await db.listCollections();
console.log(collections );
But all I get back is this weird output instead of an Array
Collection {
s: {
db: Db { s: [Object] },
options: {
raw: false,
promoteLongs: true,
promoteValues: true,
promoteBuffers: false,
ignoreUndefined: false,
bsonRegExp: false,
serializeFunctions: false,
fieldsAsRaw: {},
enableUtf8Validation: true,
readPreference: [ReadPreference]
},
namespace: MongoDBNamespace { db: 'apphead', collection: 'todos' },
pkFactory: { createPk: [Function: createPk] },
readPreference: ReadPreference {
mode: 'primary',
tags: undefined,
hedge: undefined,
maxStalenessSeconds: undefined,
minWireVersion: undefined
},
bsonOptions: {
raw: false,
promoteLongs: true,
promoteValues: true,
promoteBuffers: false,
ignoreUndefined: false,
bsonRegExp: false,
serializeFunctions: false,
fieldsAsRaw: {},
enableUtf8Validation: true
},
readConcern: undefined,
writeConcern: undefined
}
}
<ref *2> ListCollectionsCursor {
_events: [Object: null prototype] {},
_eventsCount: 0,
_maxListeners: undefined,
parent: Db {
s: {
client: [MongoClient],
options: [Object],
logger: [Logger],
readPreference: [ReadPreference],
bsonOptions: [Object],
pkFactory: [Object],
readConcern: undefined,
writeConcern: undefined,
namespace: [MongoDBNamespace]
}
},
filter: {},
options: {
raw: false,
promoteLongs: true,
promoteValues: true,
promoteBuffers: false,
ignoreUndefined: false,
bsonRegExp: false,
serializeFunctions: false,
fieldsAsRaw: {},
enableUtf8Validation: true,
readPreference: ReadPreference {
mode: 'primary',
tags: undefined,
hedge: undefined,
maxStalenessSeconds: undefined,
minWireVersion: undefined
}
},
[Symbol(kCapture)]: false,
[Symbol(client)]: <ref *1> MongoClient {
_events: [Object: null prototype] {},
_eventsCount: 0,
_maxListeners: undefined,
s: {
url: 'mongodb://localhost:27017',
bsonOptions: [Object],
namespace: [MongoDBNamespace],
hasBeenClosed: false,
sessionPool: [ServerSessionPool],
activeSessions: [Set],
options: [Getter],
readConcern: [Getter],
writeConcern: [Getter],
readPreference: [Getter],
logger: [Getter],
isMongoClient: [Getter]
},
topology: Topology {
_events: [Object: null prototype],
_eventsCount: 26,
_maxListeners: undefined,
bson: [Object: null prototype],
s: [Object],
client: [Circular *1],
[Symbol(kCapture)]: false,
[Symbol(waitQueue)]: [Denque]
},
[Symbol(kCapture)]: false,
[Symbol(options)]: [Object: null prototype] {
hosts: [Array],
compressors: [Array],
connectTimeoutMS: 30000,
directConnection: false,
metadata: [Object],
enableUtf8Validation: true,
forceServerObjectId: false,
heartbeatFrequencyMS: 10000,
keepAlive: true,
keepAliveInitialDelay: 120000,
loadBalanced: false,
localThresholdMS: 15,
logger: [Logger],
maxConnecting: 2,
maxIdleTimeMS: 0,
maxPoolSize: 100,
minPoolSize: 0,
minHeartbeatFrequencyMS: 500,
monitorCommands: false,
noDelay: true,
pkFactory: [Object],
raw: false,
readPreference: [ReadPreference],
retryReads: true,
retryWrites: true,
serverSelectionTimeoutMS: 7500,
socketTimeoutMS: 0,
srvMaxHosts: 0,
srvServiceName: 'mongodb',
waitQueueTimeoutMS: 0,
zlibCompressionLevel: 0,
dbName: 'test',
userSpecifiedAuthSource: false,
userSpecifiedReplicaSet: false
}
},
[Symbol(namespace)]: MongoDBNamespace { db: 'apphead', collection: undefined },
[Symbol(documents)]: [],
[Symbol(initialized)]: false,
[Symbol(closed)]: false,
[Symbol(killed)]: false,
[Symbol(options)]: {
readPreference: ReadPreference {
mode: 'primary',
tags: undefined,
hedge: undefined,
maxStalenessSeconds: undefined,
minWireVersion: undefined
},
fieldsAsRaw: {},
promoteValues: true,
promoteBuffers: false,
promoteLongs: true,
serializeFunctions: false,
ignoreUndefined: false,
bsonRegExp: false,
raw: false,
enableUtf8Validation: true
},
[Symbol(session)]: ClientSession {
_events: [Object: null prototype] { ended: [Function] },
_eventsCount: 1,
_maxListeners: undefined,
client: <ref *1> MongoClient {
_events: [Object: null prototype] {},
_eventsCount: 0,
_maxListeners: undefined,
s: [Object],
topology: [Topology],
[Symbol(kCapture)]: false,
[Symbol(options)]: [Object: null prototype]
},
sessionPool: ServerSessionPool { client: [MongoClient], sessions: [] },
hasEnded: false,
clientOptions: [Object: null prototype] {
hosts: [Array],
compressors: [Array],
connectTimeoutMS: 30000,
directConnection: false,
metadata: [Object],
enableUtf8Validation: true,
forceServerObjectId: false,
heartbeatFrequencyMS: 10000,
keepAlive: true,
keepAliveInitialDelay: 120000,
loadBalanced: false,
localThresholdMS: 15,
logger: [Logger],
maxConnecting: 2,
maxIdleTimeMS: 0,
maxPoolSize: 100,
minPoolSize: 0,
minHeartbeatFrequencyMS: 500,
monitorCommands: false,
noDelay: true,
pkFactory: [Object],
raw: false,
readPreference: [ReadPreference],
retryReads: true,
retryWrites: true,
serverSelectionTimeoutMS: 7500,
socketTimeoutMS: 0,
srvMaxHosts: 0,
srvServiceName: 'mongodb',
waitQueueTimeoutMS: 0,
zlibCompressionLevel: 0,
dbName: 'test',
userSpecifiedAuthSource: false,
userSpecifiedReplicaSet: false
},
explicit: false,
supports: { causalConsistency: true },
clusterTime: undefined,
operationTime: undefined,
owner: [Circular *2],
defaultTransactionOptions: {},
transaction: Transaction {
state: 'NO_TRANSACTION',
options: {},
_pinnedServer: undefined,
_recoveryToken: undefined
},
[Symbol(kCapture)]: false,
[Symbol(snapshotEnabled)]: false,
[Symbol(serverSession)]: null,
[Symbol(txnNumberIncrement)]: 0
}
}
Am I doing something wrong?