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postgraphile-plugin-remove-foreign-key-fields

GitHub Workflow Status (with branch) npm (scoped) License

Motivation

This PostGraphile plugin removes all foreign key fields from the GraphQL schema while still allowing foreign relationships to be created. Primary key fields (which may also be used as a foreign key) are not removed from the GraphQL schema.

Example

type Person {
  id
  firstName
  lastName
  addressId
  address {
    id
    street
    city
    state
    postalCode
  }
}

This extension will remove addressId from the Person type in an effort to simplify the schema.

type Person {
  id
  firstName
  lastName
  address {
    id
    street
    city
    state
    postalCode
  }
}

You can still get the address id through the Address type.

Person->address->id.

Getting Started

Install npm package.

npm install postgraphile-plugin-remove-foreign-key-fields

Add plugin to postgraphile.

import express from "express";
import { postgraphile } from "postgraphile";
import { RemoveForeignKeyFieldsPlugin } from "postgraphile-plugin-remove-foreign-key-fields";

const app = express();

// Add PostGraphile middleware.
app.use(
  postgraphile(`postgres://username:password@localhost:5432/postgres`, {
    appendPlugins: [RemoveForeignKeyFieldsPlugin],
  }),
);

// Start up server.
app.listen(3000, "localhost", 511, () => {
  logger.info(`🚀 Server listening at http://localhost:3000`);
});

About

This PostGraphile plugin removes all foreign key fields from the GraphQL schema while still allowing foreign relationships to be created.

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