fauna-gql-upload/src/util/createFunctionsWithoutRoles.ts

Manage your FaunaDB resources in within your project and upload them using a single command

// @ts-ignore
import { query as q } from "faunadb";
import { Resource } from "../types";
import getClient from "./client";

export default async function createFunctionsWithoutRoles(resources: Resource[]){
	const client = await getClient();

	// Remove the role property from all resources.
	const resourcesWithoutRoles = resources.map( resource => {
		return {
			...resource,
			role: undefined
		};
	})

	return client.query(
		q.Foreach(
			resourcesWithoutRoles,
			q.Lambda(
				"resource",
				q.Let(
					{
						name: q.Select(["name"], q.Var("resource")),
						exists: q.Exists(q.Function(q.Var("name")))
					},
					q.If(
						q.Not(q.Var("exists")),
						// Create function if it doesn't exist.
						q.CreateFunction(q.Var("resource")),
						// Do nothing if it exists.
						null
					)
				)
			)
		)
	)
}