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mongo-gridfs
Advanced tools
Uses the native GridFSBucket-Api from the new MongoDB NodeJS Driver and wrap it as Promise-Objects
This is a simple wrapper for the new MongoDB GridFSBucket API.
The old GridStore-API is now deprecated.
That is simple
npm install mongo-gridfs
OR
yarn add mongo-gridfs
const mongoDBConnection = await MongoClient.connect('mongodb://localhost:27017/files');
let gridFS = new MongoGridFS(mongoDBConnection, "attachments");
gridFS.findById("59e085f272882d728e2fa4c2").then((item) => {
console.log(item);
}).catch((err) => {
console.error(err);
});
const mongooseConnection = await Mongoose.connect('mongodb://localhost:27017/files');
let gridFS = new MongoGridFS(mongooseConnection.db, "attachments");
gridFS.findById("59e085f272882d728e2fa4c2").then((item) => {
console.log(item);
}).catch((err) => {
console.error(err);
});
By this method you will simple get the meta-object from the MongoDB as a Promise-Object. If nothing found at the Database, then it will reject and the catch-block will be executed.
gridFS.findById("59e085f272882d728e2fa4c2").then((item) => {
console.log(item);
}).catch((err) => {
console.error(err);
});
You will get the file simple written to the filesystem directly from the Database. If nothing found at the Database, then it will reject and the catch-block will be executed.
gridFS.downloadFile("59e085f272882d728e2fa4c2", {
filename: "test.gif",
targetDir: "/tmp"
}).then((downloadedFilePath) => {
console.log(downloadedFilePath);
}).catch((err) => {
console.error(err);
});
You will get a GridFSBucketReadStream as Promise. If nothing found at the Database, then it will reject and the catch-block will be executed.
This method is very useful, to stream the content directly to the user.
For example with express:
return gridFS.readFileStream(req.params.id).then((item) => {
item
.once("error", () => {
return res.status(400).end();
}).pipe(res);
}).catch(() => res.status(500));
FAQs
Uses the native GridFSBucket-Api from the new MongoDB NodeJS Driver and wrap it as Promise-Objects
The npm package mongo-gridfs receives a total of 1,073 weekly downloads. As such, mongo-gridfs popularity was classified as popular.
We found that mongo-gridfs demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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