MongoDB to GraphQL

Generate GraphQL schema from data in MongoDB collection.

Installation

npm install m2qql --save-dev

CLI

m2qll -d DB_PATH -m NAME -c COLLECTION -f ./location/file.graphql -s COMPANY

Fields:

-d DB_PATH

• Path to Database in which to search for elements.
• This field is mandatory

-c COLLECTION

• If wanted Graphql Type of just one collection

-m NAME

• If fetched one collection, provide name of Type
• Default value is collection name

-f ./location/file.graphql

• File location on which to save GraphQL Types

- s COMPANY

• Company name to write in schemas collection of Database

File path or company name must be provided

createFromDB

Creating GraphQL Types from Database provided

Full syntax

createFromDB(databaseURI, collectionName, modelName, companyName)

Example request:

createFromDB('mongodb://localhost:25555/PinterestDB', 'users')

Elements:

databaseURI

• Path to Database in which to search for elements.
• This field is mandatory

collectionName

• If wanted Graphql Type of just one collection

modelName

• If fetched one collection, provide name of Type
• Default value is collection name

companyName

• Company name to write in schemas collection of Database

createGraphQL

Function which create GraphQL types out of collection provided

Full sintax

createGraphQL(collections)

Function return formatted string of GraphQL Types

Example request:

createGraphQL(
    { 
        user: [
            {
                first_name: "John", 
                last_name: "Doe"
            },
            {
                first_name: "Mike", 
                last_name: "Smith"
            }
        ]
    }
)

Data must be provided in one of following ways:

• Array of collections

[ 
  { 
    collectionName: [CollectionData] 
  },
  {
    collectionName2: [CollectionData2]
  },
]

• Single collection

  { 
    collectionName: [CollectionData] 
  }