mongo-http.js

About

A thin wrapper on Mongodb Atlas Data API using native fetch API. This library serves the usecase where

TCP connections over Mongodb Atlas is not possible (e.g. Serverless runtime like Cloudflare Workers), while still wanting to use similar MongoDB driver syntax.
It can also be used in serverless runtimes which the reuse of a MongoDB connection may not always be available or require manual caching
Sadly, it cannot be used in the browser side yet, due to CORS. Here is a thread to request the CORS feature

About
Setup
API
1. findOne
2. find
3. insertOne
4. insertMany
5. updateOne
6. updateMany
7. replaceOne
8. deleteOne
9. deleteMany
10. aggregate

Setup

1. Setup MongoDB Atlas to get the App ID and API Key (and App Region)

Follow MongoDB Atlas tutorial.

Get the App ID here

🚨 Importart 🚨: If you select "Local (single region)" when you enable Data API

Make sure to pass the App Region as well!

And Get the API Key here

2. Installation

npm install mongo-http --save

3. Initialization

Depending on your needs, you can either initialize a client, database, or collection

You can initialize a client for connecting to multiple databases

import { initClient } from 'mongo-http';

const client = initClient({
    appId: process.env.appId,
    apiKey: process.env.apiKey,
    // Important! Pass `appRegion` if you deploy Data API as "Local (single region)"
    // See above "1. Setup MongoDB Atlas to get the App ID and API Key (and App Region)"
    appRegion: process.env.appRegion,
});

const db = client.database({ databaseName: process.env.databaseName });

const result = await db.collection('articles').find({
    filter: {
        $or: [{ categories: { $in: ['javascript', 'reactjs', 'nodejs', 'mongodb'] } }],
    },
});

... Or, Initialize a database

import { initDatabase } from 'mongo-http';

const db = initDatabase({
    appId: process.env.appId,
    apiKey: process.env.apiKey,
    // Important! Pass `appRegion` if you deploy Data API as "Local (single region)"
    // See above "1. Setup MongoDB Atlas to get the App ID and API Key (and App Region)"
    appRegion: process.env.appRegion,
    databaseName: process.env.databaseName || '',
});

const result = await db.collection('articles').find({});

... Or, Initialize a collection

import { initCollection } from 'mongo-http';

const articlesCollection = initCollection({
    appId: process.env.appId,
    apiKey: process.env.apiKey,
    // Important! Pass `appRegion` if you deploy Data API as "Local (single region)"
    // See above "1. Setup MongoDB Atlas to get the App ID and API Key (and App Region)"
    appRegion: process.env.appRegion,
    databaseName: process.env.databaseName,
    collectionName: 'articles',
});

const result = await articlesCollection.find({});

API

.findOne({ filter, projection })

Example

const { isSuccess, document, error } = await db.collection('articles').findOne({
    filter: {
        $or: [{ creator: 'Patrick Chiu' }, { title: 'Migrating a Node.js App to Cloudflare Workers From Heroku' }],
    },
    projection: { title: 1, creator: 1, guid: 1, categories: 1 },
});

Parameter

Parameter	Type	Default Value	Description
filter	object	{}	A MongoDB Query Filter. The `findOne` action returns the first document in the collection that matches this filter. If you do not specify a `filter`, the action matches all document in the collection.
projection	object	{}	A MongoDB Query Projection. Depending on the projection, the returned document will either omit specific fields or include only specified fields or values)

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
document	object / null	If a document is matched, an object is returned If not matched, a null is returned
error	error / null	Error information

.find({ filter, projection, sort, limit, skip })

Example

const { isSuccess, documents, error } = await db.collection('articles').find({
    filter: {
        $or: [{ categories: { $in: ['javascript', 'nodejs'] } }],
    },
    projection: { title: 1, creator: 1, guid: 1, categories: 1 },
    sort: { createdAt: -1 },
    limit: 50,
    skip: 100,
});

Parameter

Parameter	Type	Default value	Description
filter	object	{}	A MongoDB Query Filter. The find action returns documents in the collection that match this filter. If you do not specify a `filter`, the action matches all document in the collection. If the filter matches more documents than the specified `limit`, the action only returns a subset of them. You can use `skip` in subsequent queries to return later documents in the result set.
projection	object	{}	A MongoDB Query Projection. Depending on the projection, the returned document will either omit specific fields or include only specified fields or values)
sort	object	{}	A MongoDB Sort Expression. Matched documents are returned in ascending or descending order of the fields specified in the expression.
limit	number	1000	The maximum number of matched documents to include in the returned result set. Each request may return up to 50,000 documents.
skip	number	0	The number of matched documents to skip before adding matched documents to the result set.

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
documents	array of object(s) / empty array	If document(s) are matched, an array of object(s) is returned If no matches, an empty array is returned
error	error / null	Error information

.insertOne(document)

Example

const { isSuccess, insertedId, error } = await db.collection('tags').insertOne({
    cachedAt: '2022-11-25T17:44:59.981+00:00',
    tags: ['startup', 'programming', 'digital-nomad', 'passive-income', 'python'],
});

Parameter

Parameter	Type	Default value	Description
document	object	{}	An EJSON document to insert into the collection.

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
insertedId	string	ID of the newly inserted document
error	error / null	Error information

.insertMany(documents)

Example

const { isSuccess, insertedIds, error } = await db.collection('tags').insertMany([
    {
        date: '2022-11-01T00:00:00.000+00:00',
        tags: ['startup', 'programming', 'digital-nomad', 'passive-income', 'python'],
    },
    {
        date: '2022-12-01T00:00:00.000+00:00',
        tags: ['goblin-mode', 'new-year', 'economic-crisis'],
    },
]);

Parameter

Parameter	Type	Default value	Description
documents	array of object(s)	[]	An array of one or more EJSON documents to insert into the collection.

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
insertedIds	array of string(s)	`_id` values of all inserted documents as an array of strings
error	error / null	Error information

.updateOne({ filter, update, upsert })

Example

const { isSuccess, matchedCount, modifiedCount, upsertedId, error } = await db.collection('tags').updateOne({
    filter: {
        _id: { $oid: '638199c045955b5e9701be1f' },
    },
    update: {
        date: '2022-11-25T00:00:00.000+00:00',
        tags: ['startup', 'programming', 'digital-nomad', 'passive-income', 'python', 'something-else'],
    },
    upsert: true,
});

Parameter

Parameter	Type	Default value	Description
filter	object	{}	A MongoDB Query Filter. The `updateOne` action modifies the first document in the collection that matches this filter.
update	object	{}	A MongoDB Update Expression that specifies how to modify the matched document
upsert	boolean	false	The `upsert` flag only applies if no documents match the specified `filter`. If `true`, the `updateOne` action inserts a new document that matches the filter with the specified `update` applied to it.

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
matchedCount	number	The number of documents that the filter matched
modifiedCount	number	The number of matching documents that were updated
upsertedId	string	ID of the newly inserted document
error	error / null	Error information

.updateMany({ filter, update, upsert })

Example

const { isSuccess, matchedCount, modifiedCount, upsertedId, error } = await db.collection('users').updateMany({
    filter: {
        lastLoginAt: { $lt: '2023-01-01' },
    },
    update: {
        isActive: false,
    },
    upsert: true,
});

Parameter

Parameter	Type	Default value	Description
filter	object	{}	A MongoDB Query Filter. The `updateMany` action modifies all documents in the collection that match this filter.
update	object	{}	A MongoDB Update Expression that specifies how to modify matched documents.
upsert	boolean	false	The `upsert` flag only applies if no documents match the specified `filter`. If `true`, the `updateMany` action inserts a new document that matches the filter with the specified `update` applied to it.

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
matchedCount	number	The number of documents that the filter matched
modifiedCount	number	The number of matching documents that were updated
upsertedId	string	ID of the newly inserted document
error	error / null	Error information

.replaceOne({ filter, replacement, upsert })

Example

const { isSuccess, matchedCount, modifiedCount, upsertedId, error } = await db.collection('tags').replaceOne({
    filter: {
        _id: { $oid: '638199c045955b5e9701be1f' },
    },
    replacement: {
        date: '2022-11-25T00:00:00.000+00:00',
        tags: ['startup', 'programming', 'digital-nomad', 'passive-income', 'python', 'something-else'],
    },
    upsert: true,
});

Parameter

Parameter	Type	Default value	Description
filter	object	{}	A MongoDB Query Filter. The `replaceOne` action overwrites the first document in the collection that matches this filter.
replacement	object	{}	An EJSON document that overwrites the matched document.
upsert	boolean	false	The `upsert` flag only applies if no documents match the specified `filter`. If `true`, the `replaceOne` action inserts the `replacement` document.

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
matchedCount	number	The number of documents that the filter matched
modifiedCount	number	The number of matching documents that were updated
upsertedId	string	ID of the newly inserted document
error	error / null	Error information

.deleteOne({ filter })

Example

const { isSuccess, deletedCount, error } = await db.collection('tags').deleteOne({
    filter: {
        date: '2022-12-01T00:00:00.000+00:00',
    },
});

Parameter

Parameter	Type	Default value	Description
filter	object	{}	A MongoDB Query Filter. The `deleteOne` action deletes the first document in the collection that matches this filter.

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
deletedCount	number	The number of deleted documents
error	error / null	Error information

.deleteMany({ filter })

Example

const { isSuccess, deletedCount, error } = await db.collection('tags').deleteMany({
    filter: {
        date: { $gte: '2022-12-01' },
    },
});

Parameter

Parameter	Type	Default value	Description
filter	object	{}	A MongoDB Query Filter. The `deleteMany` action deletes all documents in the collection that match this filter.

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
deletedCount	number	The number of deleted documents
error	error / null	Error information

.aggregate({ pipeline })

Example

const { isSuccess, documents, error } = await db.collection('users').aggregate({
    pipeline: [
        { $match: { userId: 'f95cfc82f512' } },
        {
            $lookup: {
                from: 'notifications',
                localField: 'userId',
                foreignField: 'userId2',
                as: 'notification',
            },
        },
        { $unwind: '$notification' },
    ],
});

Parameter

Parameter	Type	Default value	Description
pipeline	array of objects	[]	A MongoDB Aggregation Pipeline.

Return

Field	Type	Description
isSuccess	boolean	Whether the database operation successful or not
documents	array of object(s) / empty array	If document(s) are matched, an array of object(s) is returned If no matches, an empty array is returned
error	error / null	Error information

mongo-http

mongo-http.js

About

Table of Contents

Setup

1. Setup MongoDB Atlas to get the App ID and API Key (and App Region)

Get the App ID here

🚨 Importart 🚨: If you select "Local (single region)" when you enable Data API

And Get the API Key here

2. Installation

3. Initialization

You can initialize a client for connecting to multiple databases

... Or, Initialize a database

... Or, Initialize a collection

API

.findOne({ filter, projection })

Example

Parameter

Return

.find({ filter, projection, sort, limit, skip })

Example

Parameter

Return

.insertOne(document)

Example

Parameter

Return

.insertMany(documents)

Example

Parameter

Return

.updateOne({ filter, update, upsert })

Example

Parameter

Return

.updateMany({ filter, update, upsert })

Example

Parameter

Return

.replaceOne({ filter, replacement, upsert })

Example

Parameter

Return

.deleteOne({ filter })

Example

Parameter

Return

.deleteMany({ filter })

Example

Parameter

Return

.aggregate({ pipeline })

Example

Parameter

Return

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